Panel-mounted thermostats EM

with 1, 2, 3, or 4 single-pole snap-action switches

PED
Pressure
Equipment
Directive

Operating Manual

60202100T90Z003K000

V5.01/EN/00073772/2023-06-01
 Contents
Contents

1 About this documentation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5

1.1 Symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5

2 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
2.1 Brief description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
2.2 Intended use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6

3 Identifying the device version . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8

3.1 Nameplate. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
3.2 Order details . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9

4 Mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
4.1 Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
4.2 Fixing the panel-mounted thermostat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
4.2.1 Mounting the switching head . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
4.3 Capillary, temperature probe and thermowell . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17
4.3.1 General information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17
4.3.2 Approved process connections. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18
4.4 Permissible pressure at the thermowell . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19
4.4.1 Thermowells 20, 22/23, 40, and 41/42 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19

5 Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23
5.1 Installation notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23
5.2 Electrical connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23
5.3 Connection diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25

6 Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26
6.1 Unlocking the TB or STB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26
6.2 Setpoint adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27

7 Technical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28

7.1 Control ranges and probe table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28
7.2 Control ranges and temperature probes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .29
7.3 Capillary and temperature probe . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .29
7.4 Electrical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .30
7.5 Operating data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .31
7.6 Housing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33
7.7 Process connection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33
7.8 Approvals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .34
Contents

8 Shutdown . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .36
8.1 Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .36
8.2 Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .36
8.3 Dismounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .36
8.4 Returns . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .36
8.5 Disposal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .36

9 Declaration of conformity. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .37

10 China RoHS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .42

1 About this documentation

1 About this documentation

1.1 Symbols

WARNING!
The signal word "WARNING" indicates an imminent danger.
Non-observance can lead to death or serious injury.
X The instructions in the warning notice must be observed and followed!

CAUTION!
The signal word "CAUTION" indicates an imminent danger.
Non-observance can lead to minor or moderate injury.
X The instructions in the warning notice must be observed and followed!

NOTICE!
The signal word "NOTICE" indicates possible damage to property.
Non-observance can lead to damage to devices, systems or the environment.
X Observe the instructions in the note for avoiding damage!

5
2 Introduction

2 Introduction
2.1 Brief description
Thermostats control and monitor thermal processes. The devices of the EM series are available as tem-
perature controllers TR, temperature monitors TW, temperature limiters TB, safety temperature monitors
STW (STB), and safety temperature limiter STB. In the event of a malfunction, the STB switches the
monitored machine to a safe operating status.
Panel-mounted thermostats operate according to the fluid expansion principle – a microswitch is used
as an electrical switching element.

Switching functions
Temperature controller TR, temperature monitor TW, and safety temperatur monitor STW

If the temperature on the temperature probe exceeds the setpoint value, the electrical circuit is opened
or closed by a microswitch. If the temperature falls below the selected setpoint value (by the switching
differential), the microswitch is reset to its initial position.
Temperature limiter TB and safety temperature limiter STB
If the temperature at the temperature sensor exceeds the set limit value, the electrical circuit is opened
or closed by a microswitch.
After the temperature has fallen below the limit value by approx. 10 % of the scale range (approx. 15 %
with setpoint setting >350 °C), the microswitch can be unlocked manually.
For set points above 120 °C, the set point adjusted on the STB must be secured against adjustment (e.g.
with a lead seal).
Self-monitoring for safety temperature limiter STB and safety temperature monitor STW (STB)
If the measuring system is destroyed (i.e. if the expansion fluid escapes) the pressure in the membrane
of the STB and STW (STB) drops and permanently opens the electrical circuit. Unlocking is then no lon-
ger possible.
When the STW (STB) and STB sensors cools down to the negative temperature range, the circuit 1 to 2
opens, but must be unlocked manually by the restart knob when the temperature rises. The STW (STB)
restarts automatically.
Use of the safety temperature monitor STW as a safety temperature limiter STB
The circuitry used with the thermostat must comply with DIN EN 14597 and VDE 0631.

2.2 Intended use

Versions according to DIN EN 14597:
• Temperature controller TR
• Temperature monitor TW
• Temperature limiter TB
• Safety temperature monitor STW (STB)
• Safety temperature limiter STB

Type examination according to:

• DIN EN 14597
• Pressure Equipment Directive (only for types EM-20, EM-30, EM-40, EM-50)
• UL

6
 2 Introduction
You will find the Declarations of conformity at www.jumo.en.
• Products
• Temperature
• Monitor/Limiter
• Electromechanical
• Panel-mounting thermostats 602021
• Documentation
• Declaration of conformity/White Paper
Ask for them to be sent.
Physical and toxicological properties of the expansion fluid that may escape in the event of a system
fracture.

Control range Dangerous Fire and explosion hazard Water Toxicological data
with end of scale reactions Ignition Explosion limit contamination Irritant Danger Toxic
temperature to health
< 200 °C No 355 °C 0.6 to 8 % v/v Yes Yes See note No
≥ 200 °C No 490 °C - Yes Yes See note No
≤ 350 °C
> 350 °C No No No No No No No
≤ 500 °C
At present, there is no restrictive statement from the health authorities concerning any danger to health
over short periods and at low concentration, e.g. after a fracture of the measuring system.

7
3 Identifying the device version

3 Identifying the device version

3.1 Nameplate
Exemplary marking on the device housing:

(5)

(1)
(2)
(3)
(4)
(4)
(6) (7) (8)

(1) Type
(2) Order code
(3) Regulating or limit value range/ambient temperature at which this thermostat was calibrated (op-
tion)
(4) Switching capacity
(5) Permissible ambient temperature
(6) Fabrication number
(7) Year of manufacture
(8) Week of manufacture

8
 3 Identifying the device version
3.2 Order details

(1) Basic type

602021 Panel-mounted thermostats, EM Series
(2) Basic type extensions
0001 EM-1 Temperature controller (TR), 1-pole
0002 EM-2 Temperature monitor (TW), 1-pole
0003 EM-3 Temperature monitor (TW), permanently set, 1-pole
0004 EM-4 Temperature limiter (TB), permanently set, 1-pole
0005 EM-5 Temperature limiter (TB, 1-pole
0013 EM-13 Temperature controller (TR/TW), 2-pole
0014 EM-14 Temperature controller (TR/TB), 2-pole
0020 EM-20 Safety temperature monitor (STW (STB))
0023 EM-23 Temperature monitor (TW/TW), permanently set
0024 EM-24 Temperature monitor (TW/TB), 2-pole
0030 EM-30 Safety temperature monitor (STW (STB)), permanently set
0033 EM-33 Temperature monitor (TW/TW), 2-pole
0040 EM-40 Safety temperature limiter (STB), permanently set
0044 EM-44 Temperature limiter (TB/TB), 2-pole
0050 EM-50 Safety temperature limiter (STB)
0054 EM-54 Temperature limiter (TB/TB), 2-pole
0133 EM-133 Temperature controller (TR/TW/TW), 3-pole
0134 EM-134 Temperature controller (TR/TW/TB), 3-pole
0233 EM-233 Temperature monitor (TW/TW/TW), 3-pole
0333 EM-333 Temperature monitor (TW/TW/TW), 3-pole
0444 EM-444 Temperature limiter (TB/TB/TB), 3-pole
0544 EM-544 Temperature limiter (TB/TB/TB), 3-pole
1333 EM-1333 Temperature controller (TR/TW/TW/TW), 4-pole
2333 EM-2333 Temperature monitor (TW/TW/TW/TW), 4-pole
3333 EM-3333 Temperature monitor (TW/TW/TW/TW), 4-pole
(3) Control range (TW)
000 For permanently set limit value
013 -20 to +40 °C
021 0 to 50 °C
025 0 to 100 °C
027 0 to 150 °C
028 0 to 200 °C
041 20 to 90 °C
045 20 to 400 °C
046 20 to 500 °C
052 30 to 110 °C
062 50 to 200 °C
063 50 to 250 °C
064 50 to 300 °C
075 75 to 100 °C
085 85 to 110 °C

9
3 Identifying the device version
090 120 to 150 °C
091 160 to 200 °C
092 210 to 300 °C
094 250 to 300 °C
095 300 to 400 °C
096 350 to 500 °C
(4) Limit value (STW/STB)
000 For adjustable control range
100 100 °C
95 95 °C
(5) Switching differential
00 None
With liquid-filled measuring system
10 1% Only with TR and TW
25 2.5 % Only with TR and TW
50 5% Only with TR, TW and STW
70 7% Only with TR, TW and STW
With gas-filled measuring system
30 3% Only with TR and TW
50 5% Only with TR, TW and STW
60 6% Only with TR and TW
01 10 % Only with TR and TW
(6) Capillary length
0 None
1000 1,000 mm
2000 2,000 mm
3000 3,000 mm
4000 4,000 mm
5000 5,000 mm
(7) Capillary material
20 CrNi (stainless steel)
40 Cu (copper)
(8) Process connection
10 Plain cylindrical probe
20 Screw-in protection tube

(9) Thread of process connection

00 None
13 G 1/2
(10) Process connection material
00 None
20 CrNi (stainless steel)
46 CuZn (brass)
(11) Insertion length
000 None
100 100 mm

10
 3 Identifying the device version
120 120 mm
150 150 mm
200 200 mm
300 300 mm
(12) Protection tube diameter
00 None
10 10 mm
8 8 mm
(13) Probe diameter
6 6 mm
8 8 mm
(14) Extra codes
025 Central mounting M10 × 1, metall
574 Microswitch with N/C contact, restart lock, and additional signal contact (only for TB and STB)
699 Screw connection up to 2.5 mm²
702 Snap-action contact, gold-plated
704 Switching head mounting with 2 M4 screws, spaced 28 mm
705 Switching head mounting with 2 M3 screws, spaced 33 mm
707 Temperature compensation
710 Central mounting M10 × 1, standard
950 Railway application

(1) (2) (3) (4) (5) (6) (7) (8)

Order code / - - - - - - -
Order example 602021 / 0005 - 052 - 000 - 00 - 2000 - 40 - 10 -

(9) (10) (11) (12) (13) (14)

- - - - / , ...a
00 - 00 - 000 - 00 - 6 / 574
a List extra codes in sequence, separated by commas.

11
4 Mounting

4 Mounting
4.1 Dimensions

EM-1, EM-2, EM-3, EM-4, EM-5

°C 250° (1)

6 46
(2)
4.6
21

15
21
G

Ø6
~ 18

B 36.5
38 Ø1.5

Ød
29

(3) L
1
52

4
3

(1) Restart knob only with abbreviation 4 and 5

(2) Not applicable with abbreviation 2, 3, 4, 5
(3) Tab connector DIN 46244-A6,3-0,8
(A) Rear view

12
 4 Mounting

EM-13, EM-14, EM-20, EM-23, EM-24, EM-30, EM-33, EM-40, EM-44, EM-50, EM-54

°C 250° (1)

11 46
(2)
4.6
21

15
21
G

Ø6
~ 18

B 36.5
Ø1.5

Ød
38

(3) L
1 1
52

2 2
I II
3

4 4

(1) Restart knob only with abbreviation 40, 44, 50 and 5

(2) Not applicable with abbreviation 2, 3, 4, 5, 20, 30, 40 and 50
(3) Tab connector DIN 46244-A6,3-0,8
(A) Rear view

13
4 Mounting

EM-133, EM-134, EM-233, EM-234, EM-333, EM-444, EM-544

°C 250°
(1)

19 46
(2)
4.6
21

15
21
G

Ø6
~ 18

B 36.5
38
Ø 1.5

Ød
54

(3) L
1 1 1
52

2 2 2

I II III
3

4 4 4

A
(1) Restart knob only with abbreviation 444, 544
(2) Not applicable with abbreviation 2, 3, 4, 5
(3) Tab connector DIN 46244-A6,3-0,8
(A) Rear view

14
 4 Mounting

EM-1333, EM-2333, EM-3333

°C 250°
(1)

27 46
(2)
4.6
21

15
21
G

Ø6
~ 18

B 36.5
38
Ø 1.5

Ød
70

(3) L
1 1 1 1
52

2 2 2 2
IV
I II III
3

4 4 4 4

A
(1) Restart knob only with abbreviation 4444
(2) Not applicable with abbreviation 2, 3, 4, 5
(3) Tab connector DIN 46244-A6,3-0,8
(A) Rear view

B G
Standard 22 M3
Extra code 704 28 M4
Extra code 705 33 M3

Screw connection EM-1, extra code 699

15
4 Mounting
4.2 Fixing the panel-mounted thermostat

Operating position Any

4.2.1 Mounting the switching head

EM-1
Mounting the switching head with 2 screws M3 on chassis (M4 with extra code 704).

Dim. (mm)
G B
Standard 3,5 22
Extra code 704 4,5 28
Extra code 705 3,5 33

(1)

(2)
(1)

(1) Screw
(2) Panel

EM-2, EM-3, EM-4, EM-5, EM-20, EM-30, EM-30, EM-40, EM-44, EM-50, EM-54, EM-444, EM-544
Mounting the switching head with 2 screws M3 on chassis (M4 with extra code 704).

Dim. (mm)
X Y
EM-2, EM-3, EM-20, EM-30 - -
EM-4, EM-5 15 6
EM-40, EM-50 15 11
EM-44, EM-54 15 11
EM-444, EM-544 15 19

(1)
G B
(1) (2) Standard 3,5 22
Extra code 704 4,5 28
Extra code 705 3,5 33

(1) Screw
(2) Panel

16
 4 Mounting
EM-4, EM-5, EM-40, EM-50 with central mounting
Extra code 710

(1) Dim. (mm)

X Y
(2)
EM-4, EM-5 16 6
(3) EM-40, EM-50 16 11

(4)

(1) Panel
(2) Fixing nut M10 × 1 (13 a/f)
(3) Acorn nut M10 × 1 (10 a/f)
(4) Restart knob

4.3 Capillary, temperature probe and thermowell

4.3.1 General information

NOTICE!
Failure of the device due to defective capillary
Cutting or kinking of the capillary leads to permanent failure of the functions.
The minimum permissible bending radius of the capillary is 5 mm.

The temperature probe must be completely immersed in the medium to be measured. The temperature
probe or protection tube must not come into contact with the walls of the container or pipe.
To ensure their overall accuracy, the thermostats must only be used together with the pockets supplied
by the factory (diameter D = 8 or 10 mm).
Thermowells with diameter D = 10 mm may only be fitted with probes with diameter d = 8 mm.
Fitting several probes into a common thermowell is permissible with 2 or 3 cylindrical probes with diam-
eter D = 6 mm and thermowells 15 × 0.75 mm. When fitting 2 probes in a common thermowell, the de-
fault-supplied pressure spring must be fitted in the thermowell.
For operation in air, process connection 10 (without thermowell) must be chosen.
In the case of thermowells 22, 41, 42, and 45, in materials St.35.8 I, the permissible operating life at op-
erating temperatures above 420 °C is limited to 200,000 hours. The requirements of TRD 508 must be
observed for operation in this range.

17
4 Mounting

(2)

(1)

(1) Immersion tube

(2) Temperature probe

4.3.2 Approved process connections

For detailed information, refer to data sheet 606710.

18
 4 Mounting
4.4 Permissible pressure at the thermowell
4.4.1 Thermowells 20, 22/23, 40, and 41/42
The values given below refer to the maximum loading on the probe mounting concerned. The maximum
pressure which can be sealed depends on the mounting conditions and may possibly be lower.

Steel thermowells 22, 23, 32, 41, 42 and 45

Material
Pipe St38.8 I
Screw-in nipple up to 300 °C Steel 1.0038
Weld-in nipple Steel 1.5415

Temperature in °C Pipe diameter Pipe diameter Pipe diameter

8 × 0.75 mm 10 × 0.75 mm 15 × 0.75 mm
or conical
Maximum permissible pressure in bar
100 89 72 48
150 83 67 45
200 78 63 42
300 59 47 32
350 50 40 27
Permissible incident flow velocity [m/s] at the maximum permissible pressure loading and differ-
ent immersion tube length "S"

Material St38.8 I
Temperature 200 °C
Heat transfer Air, water, oil
Pipe diameter D 8 mm _______
10 mm -------
15 mm ...............

m/sec

(1)
(2)

(S) mm

(1) Air
(2) Water, oil

19
4 Mounting
Permissible incident flow velocities [m/s] at maximum permissible pressure load and different
immersion tube temperature "t"

Material St38.8 I
Immersion tube length S 200 mm
Heat transfer Air, water, oil
Pipe Diameter 8 mm _______
10 mm -------
15 mm ...............

(1)

m/sec

(2)

(t) °C

(1) Air
(2) Water, oil

Stainless steel thermowells 20, 22, 40 and 41/42

Material
Pipe and nipple Stainless steel (1.4571)

Temperature in °C Pipe diameter Pipe diameter Pipe diameter

8 × 0.75 mm 10 × 0.75 mm 15 × 0.75 mm
or conical
Maximum permissible pressure in bar
100 92 74 50
150 88 71 48
200 83 67 45
300 72 58 39
400 67 54 36

20
 4 Mounting
Brass thermowells 20 and 40

Material
Pipe and nipple CuZn

Temperature in °C Pipe diameter Pipe diameter Pipe diameter

8 × 0.75 mm 10 × 0.75 mm 15 × 0.75 mm
Maximum permissible pressure in bar
100 50 40 27
150 48 39 26

Probe connections 50, 52 and 54

Material
Pipe CuZn Steel (1.0038) Stainless steel
(1.4571)
Temperature 200 300 400

Probe material Ø mm Switching function

TR, TW, TB STB, STW (STB)
bar bar
Cu-DHP 4 6 2
5 5 2
6 4 2
7 3 2
8 3 2
9 3 2
10 3 2
St35 (1.4571) 4 to 10 10 2

WARNING!
Types 10, 15, 21, 60 and 65 may only be used in unpressurized media.

21
4 Mounting

(1) Clamping piece

(2) Temperarture probe
The temperature probe must be immersed in the medium for its entire length, otherwise there will be ap-
preciable deviations from the switching point.
For connection types 20, 21 and 22/23, the temperature probe is fixed in the protective sleeve with the
clamping piece.

22
5 Installation

5 Installation
If you determine an external defect, also at mechanical way, the differential pressure transmitter has to
be sent for repair to the manufacturer.

5.1 Installation notes

CAUTION!
The electrical connection must only be made by qualified personnel.

The choice of cable, the installation and the electrical connection must conform to the requirements of
VDE 0100 „Regulations for the installation of power circuits with nominal voltages below 1000 V“, or the
appropriate local regulations..
If contact with live parts is possible while working on the unit, it must be completely disconnected from
the supply.
Earth the instrument at the PE terminal to the protective conductor. This cable must have a cross-section
that is at least as large as the supply cables. Earth cables must be run in a star configuration to a com-
mon earth point which is connected to the protective earth of the supply. Do not loop earth cables, i.e.
do not run them from one instrument to another.
Apart from faulty installation, incorrect settings on the thermostat can affect the proper functioning of the
following process or lead to damage. Setting up must therefore be restricted to qualified personnel.
Please observe the appropriate safety regulations in this respect.

5.2 Electrical connection

• Terminals and connections are suitable for internal conductors
• Connection joints are suitable for permanently installed lines
• Cable supply takes place without strain relief
• Device complies with protection class I

WARNING!
Capillary tube without protection conductor function
The user must provide the required protection against electric shock for the probe and the capillary tube.

Plug connection
Standard

(1)

(1) Tab connector DIN 46244-A, 6,3 × 0,8

23
5 Installation
Screw connection
Extra code 699

(1)

(2)

(1) Plug-in sleeve 6.3 with connection screw, suitable for conductor cross-sections up to 2.5 mm2,
attachment type X, no special tools
(2) Terminal strip

24
 5 Installation
5.3 Connection diagram

EM-1, EM-2, EM-3 EM-4, EM-5 EM-13, EM-23, EM-33

Setpoint: I
Sequence contact: II

EM-4/574, EM-5/574 EM-133, EM-233, EM-333 EM-40, EM-50

Setpoint: I n.c. (break) contact
Sequence contact: II, III on measuring system failure
and T < -10 °C: I
Limit value: II

EM-1333, EM-2333, EM-3333 EM-40/574, EM-50/574 EM-20, EM-30

Setpoint: I n.c. (break) contact
Squence contact: II, III, IV on measuring system failure
and T < -10 °C: I
Limit value: II

25
6 Settings

6 Settings
6.1 Unlocking the TB or STB
EM-4, EM-40, EM-44, EM-444, EM-5, EM-50, EM-54, EM-544 with switching head mounting
Extra code 704, 705
After the temperature has dropped by about 10 % of span below the set limit(critical temperature), the
microswitch can be reset.

1. Push the reset button using a small screwdriver.

EM-4, EM-40, EM-44, EM-444, EM-5, EM-50, EM-54, EM-544 with central mounting
Extra code 710

1. Unscrew cap.
2. Press reset button.
3. Screw cap back into position.

26
 6 Settings
6.2 Setpoint adjustment
EM-1, EM-13, EM-133, EM-1333
1. Rotate the setpoint knob by hand over the external scale.

(1)

(2)

(3)

°C
(4)

(1) Setpoint marker

(2) External scale
(3) Setpoint knob
(4) Scale graduation

EM-2, EM-20, EM-23, EM-233, EM-2333, EM-5, EM-50, EM-54, EM-544

1. Rotate the setpoint spindle over the internal scale using a screwdriver.

(1)

(2)

(3)

(1) Setpoint spindle

(3) Scale graduation
(4) Setpoint marker

EM-3, EM-30, EM-33, EM-333, EM-3333, EM-4, EM-40, EM-44, EM-444

The limit value setting is fixed at the factory and sealed. It must subsequently not be adjusted.

27
7 Technical data

7 Technical data
7.1 Control ranges and probe table
For TR, TW, TB – liquid-filled

Control Switch- Max. probe Max. switch- Max. capillary Max. Probe length "L",
range/limit ing differ- temperature ing head length sequence probe Ø "d"
value range ential temperature contact gap in mm
°C % °C °C in mm K Ø 6 (Standard) Ø 8
-20 to +40 1 50 50 5000 5 245 145
2.5 50 8 245 145
5 95 25 138 91
7 100 50 103 73
0 to 50 1 60 60 5 283 165
2.5 60 10 283 165
5 105 25 159 101
7 110 50 117 80
20 to 90 1 115 80 7 210 127
2.5 115 14 210 127
5 140 35 121 82
7 175 70 91 67
0 to 100 1 125 80 10 157 100
2.5 125 20 157 100
5 165 50 94 68
7 200 100 73 58
30 to 110 1 135 80 8 188 116
2.5 135 16 188 116
5 170 40 110 76
7 200 80 84 63
0 to 150 1 173 80 15 113 78
2.5 173 30 113 78
5 200 75 72 57
0 to 200 1 230 80 20 113 78
2.5 230 40
50 to 200 1 230 80 15 139 92
2.5 230 30
50 to 250 1 288 80 20 105 70
2.5 288 40 105 70
5 300 100 64 49
50 to 300 1 345 80 25 87 61
2.5 345 50

For TR, TW, TB – gas-filled

Control Switch- Max. probe Max. switch- Max. capillary Max. Probe length "L",
range/limit ing differ- temperature ing head length sequence probe Ø "d"
value range ential temperature contact gap in mm
°C % °C °C in mm K Ø 6 (Standard) Ø 8
20 to 400 5 460 80 5000 75 237 137
10 500 200 127 81
20 to 500 3/5 575 80 1000 48 278 158
6 5000 95 276 106
10 5000 250 95 65

28
 7 Technical data
7.2 Control ranges and temperature probes
For STB and STW (STB) – liquid-filled

Setting Scale Max. probe Max. Max. capillary Limit Probe length "L",
range range temperature switching head length value probe Ø "d"
temperature tolerance in mm
°C °∠ °C °C in mm K Ø 6 (Standard) Ø 8
75 to 100 78 125 80 5000 +0 84 63
85 to 110 78 135 -7
120 to 150 77 173 +0 80 57
-9
160 to 200 79 230 +0 64 49
-12
210 to 250 71 288 +0 61 47
-13
250 to 300 79 345 +0 55 -
-16

For STB and STW (STB) – gas-filled

Setting Scale Max. probe Max. Max. capillary Limit Probe length "L",
range range temperature switching head length value probe Ø "d"
temperature tolerance in mm
°C °∠ °C °C in mm K Ø 6 (Standard) Ø 8
300 to 400 70 460 80 3000 +0 148 92
-23
350 to 500 72 575 +0 127 81
-29
When the switching points are permanently factory-set, the deactivation value must be specified in ad-
dition to the control range (e.g. control range 80 to 100 °C, permanently set to 95 °C).

7.3 Capillary and temperature probe

Type Scale limit value Capillary Probe

EM-... Up to 200 °C Copper (Cu) Copper (Cu)
Ø 1.5 mm Material no. Cu-DHP
Material no. Cu-DHP Hard soldered
Up to 350 °C Copper (Cu) Stainless steel (CrNi)
Ø 1.5 mm Material no. 1.4571
Material no. Cu-DHP Hard soldered
Up to 500 °C Stainless steel (CrNi) Stainless steel (CrNi)
Ø 1.5 mm Material no. 1.4571
Welded
Up to 350 °C Stainless steel (CrNi) Stainless steel (CrNi)
Ø 1.5 mm Material no. 1.4571
Welded (available at extra cost)
Capillary length Standard 1,000 mm, max. 5,000 mm
Min. bending radius of capillary 5 mm

29
7 Technical data
NOTE:
Upon request the capillary length can be increased up to a maximum of 5,000 mm if the allowable tem-
perature on the sensor, capillary, and switching head is not reached.
Please let us know the actual temperature values to which the thermostat is exposed.

7.4 Electrical data

Switching element EM-1, EM-2, EM-3, EM-4, EM-5, EM-4.../U, EM-5.../U,

1, 2, 3, or 4 single-pole snap-action EM-20, EM-30 EM-40, EM-50 EM-40/U, EM-50/U
switches
Microswitch Microswitch Microswitch
with changeover contact with N/C contact and re- with N/C contact, restart
start lock lock, and additional sig-
nal contact
Maximum switching capacity Switching function N/C contact, N/O contact,
Switching differential terminal 2 terminal 4
TR, TW, STB (STB) AC 230 V +10 % AC 230 V +10 %
2.5 %, 5 %, 6 %, 7 %, 16 (3) A, cos  = 1 (0.6) 8 (1.5) A, cos  = 1 (0.6)
10 % DC 230 V +10 %, 0.25 A DC 230 V +10 %, 0.25 A
TB, STB AC 230 V +10 % AC 230 V +10 %
16 (3) A, cos  = 1 (0.6) 2 (1) A, cos  = 1 (0.6)
DC 230 V +10 %, 0.25 A DC 230 V +10 %, 0,25 A
TR, TW AC 230 V +10 %, 6 (2) A, cos  = 1 (0.6),
1 %, 3 % DC 230 V +10 %, 0.25 A
TR, TW Microswitch with gold plating, extra code 702,
2.5 % AC/DC 24 V, 0.1 A
Contact reliability To ensure the greatest possible switching reliability we recommend a minimum
load of:
For silver contacts: AC/DC 24 V, 100 mA
For gold-plated contacts (extra code 702): AC/DC = 10 V, 5 mA
Rating surge voltage 2500 V (via the switching contacts 400 V)
Overvoltage category II
Required fuse rating See maximum switching capacity
Electrical connection Standard: Tab connector A 6.3 × 0.8 DIN 46244
Extra code 699: Screw connection up to 2.5 mm2 conductor cross section
(available at extra cost), also suitable for retrofitting

30
 7 Technical data
7.5 Operating data

Switching differential in % Measuring system

of control range/limit value range Liquid-filled Gas-filled
Nominal Possible actual Nominal Possible actual
value value value value
Switching function
TR, TW 2.5 Approx. 2.5 to 3.5 5 Approx. 5 to 11 Standard
5 Approx. 5 to 6 6 Approx. 6 to 14 Upon request
7 Approx. 7 to 8 10 Approx. 10 to 16 Upon request
1 Approx. 1 to 2 3 Approx. 2.5 to 4 Extra cost
STW (STB) 5 Approx. 5 to 7 6 Approx. 6 to 16 Standard

Sequence contact gap on multi- Switching Sequence contact gap relative to Switching point accuracy
pole versions differential scale range of the sequence contact
Minimum Maximum gaps from the scale range
1% 1% According to control ≤ 1 %
2.5 % 1% range table ≤1%
3 %, 5 % 2% ≤1%
6 %, 7 %, 10 % 3 % ≤1%
The sequence contact gap can be specified in °C in relation to the setpoint of
contact I.
(The contact track no. is stamped on the back of the housing par.)
Prefix - = switching before reaching the setpoint value
Prefix + = switching after reaching the setupoint value
For the synchrozized version, specify "0" as the sequence contact gap.

Switching point accuracy in % Switching differential In the upper third of the scale or
of control range/limit value range Liquid-filled Gas-filled limit value
Switching function
TR 1 %, 2.5 % - ±1.5 %
5% 3 %, 5 % ±3 %
7% 6 %, 10 % ±4 %
TW 1 %, 2.5 % - ±1.5 %
5% 3 %, 5 % ±3 %
7% 6 %, 10 % ±4 %
TB - - +0 %
-5 %
STW (STB) See table for control ranges and probes

31
7 Technical data

Mid ambient temperature influence Deviation of the ambient temperature at the switching head and/or capillary
from the 22 °C calibration ambient temperature produces a switching point off-
set.
Higher ambient temperature = low switching point
Lower ambient temperature = higher switching point
TR, TW, TB STW, TR, TW, TB STW, STB TR, TW, TB, STW,
STB STB
For temperatures with scale limit < 200 °C ≥ 200 °C ≤ 350 °C ≥ 400 °C ≤ 500 °C
value/limit value
Switching differential in % 1/2.5 5 7 7/- 1/2.5 5 7/- 3/5 6 10
Ambient temperature influence 0.15 0.26 0.34 0.43 0.12 0.21 0.35 0.12 0.17 0.24
on the switching head in %/°C
Ambient temperature influence 0.05 · °C · m 0.09 · °C · m 0.09 · °C · m 0.07 · °C· m 0.05 · °C · m
on the capillary in %/m
Temperature compensation (TK) For detailed information see diagram.
Temperatures
Admissible storage temperature -50 to +50 °C
Admissible ambient temperature 80 °C max.
for use
Nominal position (NL) Any
Operating medium Water, oil, air, superheated steam
Time constant t0.632
In water ≤ 45 s
In oil ≤ 60 s
In air or superheated steam ≤ 120 s

Mode of operation According to EN 60730-1, DIN EN 60730-2-9, DIN EN 14597

TR, TW 2 BL
TB 2 BFHLPV
STW (STB) 2 BKLNP
STB 2BFHKLNPV
Declaration:
2 Mode of operation type 2
B Automatic mode of operation with micro disconnection
F Only adjustable with tool
H Release mechanism whose contacts can not be prevented from opening
K With probe break protection
L No auxiliary energy required
P Mode of operation type 2, tested by declared temperature changes
V Lockout

32
 7 Technical data
7.6 Housing

Material Galvanized sheet steel

Mounting
Standard With 2 M3 screws, spaced 22 mm
Extra code 704 Switching head mounting with 2 M4 screws, spaced 28 mm
Extra code 705 Switching head mounting with 2 M3 screws, spaced 33 mm
Extra code 710 Central mounting M10 × 1 with acorn nut (for TB and STB only)
Setpoint value setting
TR Switching point adjustable from outside with rotary knob.
TW, TB, STB, STW (STB) Switching point adjustable with screwdriver.
Types EM-3, EM-4, EM-30, Permanently set at the factory to customer requirements.
EM-33, EM-40, EM-44, EMF-444,
EMF-3333
Setpoint adjuster See data sheet 606715
Scale range Standard 250°∠ (for STB and STW (STB)), see table for control ranges and
probes
Protection type IP00 according to EN 60529
Weight Approx. 300 g

7.7 Process connection

Material
Protection tube up to 150 °C CuZn (standard)
Protection tube above 150 °C CrNi
Capillary Plain cylindrical probe (standard)
Screw-in protection tube (upon request)
Screw-in sleeve with screw-in spigot G 1/2", form A, according to DIN 3852/2
and clamping piece with fixing screw for securing the probe
Insertion length S
Standard 100, 120, 150, 200 or 300 mm (other lengths upon request)
Protection tube Ø D = 8 mm, D = 10 mm
For further process connections and protection tubes see data sheet 606710.

33
7 Technical data
7.8 Approvals

Designation DIN
Testing agency DIN CERTCO/TÜV Süd
Certificates/certification numbers TR777
Inspection basis DIN EN 14597
Valid for Type 602021/0001 (EM-1)
Designation DIN
Testing agency DIN CERTCO/TÜV Süd
Certificates/certification numbers TW778
Inspection basis DIN EN 14597
Valid for Type 602021/0002 (EM-2), Type 602021/0003 (EM-3)
Designation DIN
Testing agency DIN CERTCO/TÜV Süd
Certificates/certification numbers TB780
Inspection basis DIN EN 14597
Valid for Type 602021/0004 (EM-4), Type 602021/0005 (EM-5)
Designation DIN
Testing agency DIN CERTCO/TÜV Süd
Certificates/certification numbers STW(STB)775 S
Inspection basis DIN EN 14597
Valid for Type 602021/0020 (EM-20), Type 602021/0030 (EM-30)
Designation DIN
Testing agency TÜV Süd
Certificates/certification numbers B10d = 250,000a
Inspection basis DIN EN ISO 13849-1
Valid for Type 602021/0020 (EM-20), Type 602021/0030 (EM-30),
Type 602021/0040 (EM-40), Type 602021/0050 (EM-50)
PED Designation PED
Pressure
Equipment
Directive

Testing agency TÜV Süd

Certificates/certification numbers Z-IS-TAF-MUC-18-06-2652099-07102504
Inspection basis 2014/68/EU, DIN EN 14597
Valid for Type 602021/0020 (EM-20), Type 602021/0030 (EM-30),
Type 602021/0040 (EM-40), Type 602021/0050 (EM-50)
Designation UL
Testing agency UL
Certificates/certification numbers E66358
Inspection basis UL 873, CSA-22.2 No. 24
Valid for Type 602021/0001 (EM-1), Type 602021/0002 (EM-2),
Type 602021/0003 (EM-3), Type 602021/0004 (EM-4),
Type 602021/0005 (EM-5), Type 602021/0020 (EM-20),
Type 602021/0030 (EM-30), Type 602021/0040 (EM-40),
Type 602021/0044 (EM-44), Type 602021/0050 (EM-50),
Type 602021/0133 (EM-133)

34
 7 Technical data
Designation UL
Testing agency UL
Certificates/certification numbers MH45736
Inspection basis UL 353, CSA-22.2 No. 24
Valid for Type 602021/... (EM-....)
Designation EACb
Testing agency Gost Norm AG
Certificates/certification numbers TC RU C-DE.AB98.B.00348
Inspection basis Technical rules of the customs union Russia/Belarus/Kazakhstan
Valid for Type 602021/... (EM-...)
®

Designation Railway application

Testing agency JUMO
Certificates/certification numbers -
Inspection basis EN 50155
Valid for Type 602021/... (EM-...) with extra code 950
a For detailed information please refer to safety manual JUMO EM602021, 602026.
b
Russian documentation available upon request.

35
8 Shutdown

8 Shutdown
8.1 Maintenance
The device is maintenance-free.

8.2 Cleaning
Do not damage the device, especially the wetted parts.
The cleaning agent must not attack the surface and seals

8.3 Dismounting
Requirements:
• The system has been de-energized and secured against being switched on again.

8.4 Returns
Procedure:
1. The supplementary sheet for product returns must first be completed correctly and signed. Then en-
close it with the shipping documents and attach it to the packaging, ideally on the outside.
2. Use the original packaging or a suitably secure container for sending the device.

8.5 Disposal

DISPOSAL
• Do not dispose of the device or replacement parts in the trash bin after use.
• Delete programs and data stored on the device.
• Remove batteries if present, if possible without damaging the device.
• Dispose of the device and packaging properly and in an environmentally friendly way.
• Observe country-specific laws and regulations for waste management and disposal.
According to Directive 2012/19/EU on Waste Electrical and Electronic Equipment, manufacturers are
obliged to offer the possibility of taking back old equipment. Inquire about returning it to the manufacturer.

36
9 Declaration of conformity

9 Declaration of conformity

   

      
   
! "#$   % !&' (   )))  

EU-Konformitätserklärung
EU declaration of conformity / Déclaration UE de conformité

Dokument-Nr. CE 639
Document No. / Document n°.
Hersteller JUMO GmbH & Co. KG
Manufacturer / Etabli par
Anschrift Moritz-Juchheim-Straße 1, 36039 Fulda, Germany
Address / Adresse

Produkt
Product / Produit
Name Typ Typenblatt-Nr.
Name / Nom Type / Type Data sheet no. / N°
Document
d'identification
Einbau-Thermostat EM 602021 602021

Produktbeschreibung
Product description / Description du produit
Elektromechanischer Einbau-Thermostat.

Wir erklären in alleiniger Verantwortung, dass das bezeichnete Produkt die Anforderungen
der Europäischen Richtlinien erfüllt.
We hereby declare in sole responsibility that the designated product fulfills the requirements of the European Directives.
Nous déclare sous notre seule responsabilité que le produit remplit les Directives Européennes.

Dokument-Nr. CE 639 EU-Konformitätserklärung Seite: 1 von 5

Document No. / Document n°.

37
9 Declaration of conformity

   

      
   
! "#$   % !&' (   )))  

1. Richtlinie
Directive / Directive
Name EMC 2014/30/EU
Name / Nom
Konformitätsbewertungsverfahren Mod. A
Conformity assessment procedure /
Procédure d’évaluation de la conformité
Datum der Erstanbringung des CE-Zeichens 1996
auf dem Produkt
Date of first application of the CE mark to the product /
Date de 1ère application du sigle sur le produit

Angewendete Normen/Spezifikationen
Standards/Specifications applied / Normes/Spécifications appliquées
Referenz Ausgabe Bemerkung
Reference / Référence Edition / Édition Comment / Remarque
EN 60730-1 2016+A1:2019 The edition 2011 is met for
presumption of conformity
EN 60730-2-9 2019+A1:2019+A2:2020 The edition 2010 is met for
presumption of conformity

Gültig für Typ

Valid for Type / Valable pour le type
602021/...

2. Richtlinie
Directive / Directive
Name LVD 2014/35/EU
Name / Nom
Konformitätsbewertungsverfahren Mod. A
Conformity assessment procedure /
Procédure d’évaluation de la conformité
Datum der Erstanbringung des CE-Zeichens 1995
auf dem Produkt
Date of first application of the CE mark to the product /
Date de 1ère application du sigle sur le produit

Dokument-Nr. CE 639 EU-Konformitätserklärung Seite: 2 von 5

Document No. / Document n°.

38
 9 Declaration of conformity

   

      
   
! "#$   % !&' (   )))  

Angewendete Normen/Spezifikationen
Standards/Specifications applied / Normes/Spécifications appliquées
Referenz Ausgabe Bemerkung
Reference / Référence Edition / Édition Comment / Remarque
EN 60730-1 2016+A1:2019 The edition 2011 is met for
presumption of conformity
EN 60730-2-9 2019+A1:2019+A2:2020 The edition 2010 is met for
presumption of conformity

Gültig für Typ

Valid for Type / Valable pour le type
602021/...

3. Richtlinie
Directive / Directive
Name PED 2014/68/EU
Name / Nom
Konformitätsbewertungsverfahren Mod. B(B)+D
Conformity assessment procedure /
Procédure d’évaluation de la conformité
Datum der Erstanbringung des CE-Zeichens 1996
auf dem Produkt
Date of first application of the CE mark to the product /
Date de 1ère application du sigle sur le produit

Gültig für Typ

Valid for Type / Valable pour le type
602021/...

3.1 EU-Baumusterprüfbescheinigung
EU type examination certificate / Certificat d'examen de type UE
Zertifikatsnummer Z-IS-TAF-MUC-18-06-2652099-07102504
Certificate number / Numéro de certificat
Notifizierte Stelle TÜV SÜD Industrie Service GmbH,
Notified Body / Organisme notifié Westendstraße 199, 80686 München, Germany

Dokument-Nr. CE 639 EU-Konformitätserklärung Seite: 3 von 5

Document No. / Document n°.

39
9 Declaration of conformity

   

      
   
! "#$   % !&' (   )))  

Angewendete Normen/Spezifikationen
Standards/Specifications applied / Normes/Spécifications appliquées
Referenz Ausgabe Bemerkung
Reference / Référence Edition / Édition Comment / Remarque
DIN EN 14597 2015-02

Qualitätssicherung bezogen auf den Produktionsprozess

Quality assurance of the production process / L’assurance de la qualité de la production
Zertifikatsnummer DGR-0036-QS-989-20 Rev.1
Certificate number / Numéro de certificat
Notifizierte Stelle TÜV SÜD Industrie Service GmbH,
Notified Body / Organisme notifié Westendstraße 199, 80686 München, Germany
Kennnummer 0036
Identification no. / N° d'identification

4. Richtlinie
Directive / Directive
Name RoHS 2011/65/EU
Name / Nom
Konformitätsbewertungsverfahren Mod. A
Conformity assessment procedure /
Procédure d’évaluation de la conformité
Datum der Erstanbringung des CE-Zeichens 2017
auf dem Produkt
Date of first application of the CE mark to the product /
Date de 1ère application du sigle sur le produit

Angewendete Normen/Spezifikationen
Standards/Specifications applied / Normes/Spécifications appliquées
Referenz Ausgabe Bemerkung
Reference / Référence Edition / Édition Comment / Remarque
VDK Umweltrelevante Aspekte V1
bei der Produktentwicklung und
-gestaltung

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Document No. / Document n°.

40
 9 Declaration of conformity

   

      
   
! "#$   % !&' (   )))  

Gültig für Typ

Valid for Type / Valable pour le type
602021/...

Aussteller JUMO GmbH & Co. KG

Issued by / Etabli par
Ort, Datum Fulda, 2021-10-06
Place, date / Lieu, date
Rechtsverbindliche Unterschriften Bereichsleitung Globaler Vertrieb
Legally binding signatures / i. V. Markus Belmer
Signatures juridiquement valable

Qualitätsbeauftragter und Leiter Qualitätswesen

i. V. Harald Gie
Gienger
eng
n er

Dokument-Nr. CE 639 EU-Konformitätserklärung Seite: 5 von 5

Document No. / Document n°.

41
10 China RoHS

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JUMO GmbH & Co. KG JUMO Instrument Co. Ltd. JUMO Process Control, Inc.
Street address: JUMO House 6724 Joy Road
Moritz-Juchheim-Straße 1 Temple Bank, Riverway East Syracuse, NY 13057, USA
36039 Fulda, Germany Harlow, Essex, CM20 2DY, UK
Delivery address: Phone: +44 1279 63 55 33 Phone: +1 315 437 5866
Mackenrodtstraße 14 Fax: +44 1279 62 50 29 Fax: +1 315 437 5860
36039 Fulda, Germany Email: sales@jumo.co.uk Email: info.us@jumo.net
Postal address: Internet: www.jumo.co.uk Internet: www.jumousa.com
36035 Fulda, Germany
Phone: +49 661 6003-0
Fax: +49 661 6003-607
Email: mail@jumo.net
Internet: www.jumo.net