Catalog 110

11 / 2020

Control Switches for Special Applications

A type up to 25 A
AD type up to 6 A
 Kraus & Naimer
The development of the Blue Line rotary switch and motor starter
product ranges is based on more than hundred years experience by
Kraus & Naimer in the design and manufacture of electrical switchgear.
Kraus & Naimer pioneered the introduction of the cam operated rotary switch
and continues to be recognized as the world leader in that product field.

BLUE LINE
Blue Line products are protected by numerous patents through-out the
industrial world. They are built to national and international standards and
designed to withstand adverse temperatures and climates.

Blue Line products are accepted and universally recognized for

their quality and workmanship. They are supported by a worldwide
sales and service organization.

The Kraus & Naimer Registered Trademark

WORLDWIDE SYMBOL
FOR QUALITY SWITCHGEAR
Disconnectors and Main Switches acc. to IEC 60947-3 see Catalog 500

Contents Page

Construction Data 4

Dimensions and
Nominal Ratings 4

How to order 5, 6

Switch Function and Configuration

ON/OFF Switches 8
Double-throw Switches 9, 10
Multi-step Switches 11-13
General Application Switches 14
Voltmeter Switches 15
Ammeter Switches 16
Control Switches 17
Motor Switches 18

Types of Mounting
Panel Mounting 19
Base Mounting 20

Handles 21

Face Plates 22, 23

Technical Data 24, 25

Tightening torque of screws 26

International Standards and Approvals 26

Dimensions
Handles and Escutcheon Plates 27
Panel Mounting 28
Base Mounting 29
Overall Switch Lengths 29

Blue Line Switchgear:

Summary 30
Construction Data

A Switches
A switches are used in applications where available depths behind the mounting plates are
limited and the switching programs require a large number of contacts. They are used when
more than 12 switching positions are required. Typical applications for A switches are multi-
step switches, multi-pole step switches, instrumentation switches and control switches
where depth problems exist. The A switch has 4 double-break contacts which are controlled
by two independent cams.
The switch column can contain up to 12 stages representing a total of 48 contacts. Additional
contacts can be added by using a tandem drive to operate more than one switch column
with a single handle.

Max. number of
Switch type Switching angle switch positions

A11, AD11, AD12 15°, 20°, 30°, 45°, 60°, 90° 24

A25 15°, 20°, 30°, 45°, 60°, 90° 24

A wide range of optional extras, escutcheon plates, handles, mountings and enclosures is
available.

2 different Contact Systems are available

A11 and A25 AD11 and AD12

< back to table of contents >

A rigid, double-break bridge with silver alloy contacts provides High contact reliability by H-bridge design with self-cleaning
high making and breaking capabilities for regular control appli- “cross-wire“ contacts. The contact system with gold-plated
cations. contacts (AD12 with silver contact) allows for low voltages,
electronic compatible.

Switch Size Type Rated Values

According to IEC 60947-3/VDE 0660 part 107
Thermal Motor Rating Operational Current Ie
Current 3 x 380 V/440 V
Iu/Ith AC-23A AC-21A AC-15/220 V
64 A kW A
2.52˝sq
1 V/ 6 A
24 V/ 1 A
AD11 6 - 110 V/ 0,4 A -
220 V/ 0,2 A
S1 -
380 V/ 0,13 A
6 V/ 6 A
48
1.89˝sq - 24 V/ 5 A
AD12 6 - 110 V/ 3 A -
- 220 V/ 2 A
- 380 V/ 1,3 A
88
3.46˝sq A11 20 7,5 20 A 6
A25 25 11 25 A 8

S2 A11C
A25C
20
25
7,5
11
20 A
25 A
6
8
68
2.68˝sq

4
 How to order
Disconnectors and Main Switches according to IEC 60947-3 see Catalog 500
Three types of data (shown below) are required for ordering Blue Line cam-operated switches. Code numbers for ordering are
shown in this catalog.

1. Type of Switch 2. Switch Function 3. Type of Mounting

The type of switch required may be The code numbers for standard swit- Types of mounting are shown on
easily selected by referring to the table ches shown on pages 7-18 indicate pages 19 and 20. Catalog 101 descri-
on page 4 which shows the thermal the switch function, escutcheon plate, bes enclosures and optional extras.
current, power rating and dimensions handle and any optional extras. Specify the mounting code to indicate
of each switch. For further technical Additional coding to modify type and required mounting.
details, refer to pages 24 and 25. color of handle and escutcheon plate
Variations of contacts and terminals is explained below.
are shown below.

A11 A202 VE

Type of Switch
< back to table of contents >

Extending the switch type coding the following combinations will define:

Amendment Definition For switch types

-1 with gold contacts1 A11-1

-4 with quick connects A11-4, A25-4, A25C-4
-5 with quick connects and gold contacts A11-5
C S1 switches with latching mechanism size S2 A11C, AD11C, A25C
L with lockout-relay w/o manual release for std. switches A11L, A25L
M with lockout-relay with manual release for std. switches A11M, A25M
X with power failure release A25X

Example: Coding for switch type A11 with gold contacts is A11-1.
1
Technical data on request.

Handles, Escutcheon Plates and Optional Extras

The handles for standard switches shown on pages 7-18 are suitable for mounting units with four hole panel mounting.
Alternative types of handles available are illustrated on pages 19-21.
When a handle, escutcheon plate or optional extra is required but not covered by the dash-number, the code number for the
selected component should be entered separately. A comprehensive range of available standard escutcheon plates is illustra-
ted on pages 23-25. Non-standard or special escutcheon plate engravings are available at extra cost.
The large number of optional extras and enclosures is covered in Catalog 101.

Switch Size

Blue Line A switches are available in sizes S1 and S2. These size codes indicate the dimensions of the mounting, the escut-
cheon plate and the handle as well as the size of the optional devices and enclosures. Page 4 lists these sizes and the various
switch types they include.

5
How to order

Ordering of Special Switches and Escutcheon Plates

When ordering special switches and escutcheon plates it is advisable to use our order form, as illustrated. The customer’s
requirements are shown in blue as an example.

For technical reasons, it may not be possible to follow the sequence of contacts requested by the customer. The final contact
development which is sent with every switch will show the customer’s original terminal markings.

HANDLE
PLATE
ESCUTCHEON
TYPE
SWITCH-
ESCUTCHEON PLATE

4
3 5

:
0 1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 41 43 45 47
2 330 30 6

G251

A25
300 60
270 90 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 48
1 7
240 120
210 150
180

EXTRAS
OPTIONAL
MOUNTING
POSITIONS
1 x x
2 x

:
E
x x

< back to table of contents >

3

4 x
5 x x x

DATE

FIRM
6 x x

:
7 x x

SIGNED
:

Order forms are available on request.

6
 < back to table of contents >

Notes:

7
 Switch Function and Configuration A Switches

Escutch.
Function Handle Code Stages Connection Diagram
Plate

Dimensions p. 29
ON/OFF Switches with 60° Switching

1 pole I A200 1
2 pole I A201 1
3 pole I A202 1 1 3 5 7 9 11 13 15 17 19 21 23
4 pole F070 I A203 1
5 pole I WAA341 2
6 pole I A342 2 2 4 6 8 10 12 14 16 18 20 22 24
8 pole I A344 2
10 pole I A346 3 25 27 29 31 33 35 37 39 41 43 45 47
12 pole K A348 3
14 pole K WAA350 4
16 pole K WAA352 4 26 28 30 32 34 36 38 40 42 44 46 48
18 pole K WAA354 5
20 pole K WAA356 5 1-24 pole
22 pole K WAA358 6
24 pole K WAA360 6

ON/OFF Switches with 90° Switching

1 pole contacts preclose 30° I A290 1

I 1 3 5

< back to table of contents >

2 pole contacts preclose 30° A291 1
3 pole contacts preclose 30° I A292 1 contacts preclose 30°
F056 I 2 4 6
4 pole 1 contact precloses 60° A293 1
3 contacts preclose 30° 1-3 pole

1 3 5 7

3 contacts preclose 30°

2 4 6 8 1 contact precloses 60°

4 pole

8
 Switch Function and Configuration A Switches

Escutch.
Function Handle Code Stages Connection Diagram
Plate

Dimensions p. 29
Double-throw Switches without „OFF“ 60° Switching

1 pole I A220 1
2 pole I A221 1
3 pole I A222 2
F072
1 3 5 7 9 11 13 15 17 19
4 pole I A223 2
6 pole I A370 3
8 pole I A372 4 2 6 10 14 18

10 pole I WAA 374 5 21 23 25 27 29 31 33 35 37 39

12 pole I WAA 376 6
14 pole K WAA 660 7
22 26 30 34 38
16 pole K WAA 661 8
18 pole K WAA 662 9 41 43 45 47 49 51 53 55 57 59

20 pole K WAA 663 10

42 46 50 54 58

61 63 65 67 69 71 73 75 77 79
< back to table of contents >

62 66 70 74 78

1-20 pole

Double-throw Switches without „OFF“ with electrically isolated contacts

1 pole I A720 1 1 3 5 7 9 11 13 15
2 pole I A721 1
3 pole I A722 2
4 pole F072 I A723 2 2 4 6 8 10 12 14 16

1-4 pole

Double-throw Switches with Center „OFF“ 60° Switching

1 pole I A210 1
2 pole I A211 1
3 pole I A212 2 1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39

F071
4 pole I A213 2
5 pole I A361 3 2 6 10 14 18 22 26 30 34 38

6 pole I A362 3
41 43 45 47 49 51 53 55 57 59 61 63 65 67 69 71 73 75 77 79

8 pole K WAA 364 4

10 pole K WAA 366 5
42 46 50 54 58 62 66 70 74 78
12 pole K WAA 368 6
1-4 pole and 6-20 pole
14 pole K WAA 655 7
16 pole K WAA 656 8
18 pole K WAA 657 9
20 pole K WAA 658 10 3 1 7 5 11 9 15 13 19 17

2 6 10 14 18

5 pole

9
 Switch Function and Configuration A Switches

Escutch.
Function Handle Code Stages Connection Diagram
Plate

Dimensions p. 29
Double-throw Switches with Center „OFF“ and electrically isolated contacts

1 pole I A710 1
2 pole I A711 1 1 3 5 7 9 11
3 pole I A712 2
F071
2 4 6 8 10 12

1-3 pole

1 pole with spring return to center I A714 1 1 3 5 7 9 11

2 pole with spring return to center I A715 1
3 pole with spring return to center I WAA 716 2
F025 2 4 6 8 10 12

1-3 pole

Double-throw Switches with Spring Return to Center

1 pole with spring return to center I A214 1 1 3 5 7 9 11

2 pole with spring return to center I A215 1
I

< back to table of contents >

3 pole with spring return to center A216 2
F025 2 6 10

1-3 pole

10
 Switch Function and Configuration A Switches

Escutch.
Function Handle Code Stages Connection Diagram
Plate

Dimensions p. 29
Multi-step Switches without „OFF“

1 pole 3 Step I A230 1 3 6 3 11 7 15 19 22

2 pole I A250 2 1
2 1 pole 1
2
5
6
17
18 2 and 3 pole
3 pole I A270 3
F076
3 11 7 15 19 9 23 13 27 30
4 pole I A476 3
5 pole I WAA 484 4 1
2
5
6
17
10
21
14
25
26 4 and 5 pole
6 pole I WAA 489 5
3 11 7 15 19 9 23 13 27 35 31 39
7 pole I WAA 494 6 1 5 17 21 25 29
8 pole I WAA 497 6
2 6 10 14 26 30

43 33 47 37

41 45 6-8 pole
34 38

1 pole 4 Step I A231 1 3 7 9 11 13 15 19 23

2 pole I A251 2 1
2
5 1 pole 1
2
3 7
6
5 17
18
21 2 and 3 pole
3 pole I A271 3 9 11 13 15 25 27 29 31 35 39
F077
4 pole I A477 4 1
2
3 7
6
5 17
18
19 23
22
21 33
34
37 4 and 5 pole
5 pole I WAA 485 5 9 11 13 15 25 27 29 31 41 43 45 47
< back to table of contents >

6 pole I WAA 490 6 1

2
3 7
6
5 17
18
19 23
22
21 33
34
35 39
38
37 6 pole

1 pole 5 Step I A232 2 3 11 9 17 15 21 25 27

2 pole I A252 3 1
2
5 1 pole 1
2
3 7
6
5 19
20
23 2 and 3 pole
3 pole I WAA 272 4 7 11 13 29
4 pole F078 I WAA 478 5
5 pole K WAA 676 7 9 17 15 21 33 19 39 23 43 51

1 3 7 5 25 27 31 29 41 45 4 and 5 pole
2 6 20 24 42
11 13 35 37 47

1 pole 6 Step I A233 2 3 11 9 17 15 23 27 35

2 pole I WAA 253 3 1

2
5 1 pole 1
2
3 7
6
5 25
26
29 2 and 3 pole
3 pole I WAA 273 5 15 7 19 11 21 13 39 31
4 pole F079 I WAA 479 6
9 17 15 23 33 41 39 47

1 3 7 5 25 27 31 29 4 pole
2 6 26 30
19 11 21 13 43 35 45 37

1 pole 7 Step I WAA 234 2 9

3
11 9
17
27 15
23
31 41
35
43
2 pole I WAA 254 4 1 5 1 pole 1 3 7 5 33 37 2 and 3 pole
3 pole I WAA 274 6
2
13
2
11
6
13
34
45
4 pole F110 I WAA 670 7 7 19 21 39

17 23 49 55
9 27 15 31 41 25 47 29
1 3 7 5 33 35 39 37 4 pole
2 6 26 30
11 13 43 45
19 21 51 53

1 pole 8 Step I WAA 235 2 9

3
11 9
17
25 15
23
31 41
35
43
2 pole I WAA 255 4 1 5 1 pole 1 3 7 5 33 37 2 and 3 pole
3 pole I WAA 275 6 15
2
13 27
2
11 29
6
13 47
34
45
4 pole F111 I WAA 671 8 7 19 21 39

17 23 49 55
9 25 15 31 41 57 47 63
1 3 7 5 33 35 39 37 4 pole
2 6 34 38
27 11 29 13 59 43 61 45
19 21 51 53

1 pole 9 Step I WAA 236 3 17 3 11 17 25 27 23 29 31 51 43 35

2 pole I WAA 256 5 9
1
19
5 1 pole
9
1
33
3
15
7
37 49
5 41
39
45 2 and 3 pole
3 pole I WAA 276 7
2
21
13
2
19
11
6
21
13
36
47
53

4 pole F010 K WAA 672 9

17 25 27 23 29 31 57 65 67 63 69 71
9 33 15 37 49 35 55 39
1 3 7 5 41 43 47 45 4 pole
2 6 36 40
11 13 51 53
19 21 59 61

11
 Switch Function and Configuration A Switches

Escutch.
Function Handle Code Stages Connection Diagram
Plate

Dimensions p. 29
Multi-step Switches without „OFF“

1 pole 10 Step I WAA 237 3 9

17 3 11
19 9
17 25 33
35 15
23 31 37
39 43
49 51 57
61
2 pole I WAA 257 5 1
2
5 1 pole 1
2
3 7
6
5 41
42
45 2 and 3 pole
3 pole I WAA 277 8
7 21
13
27 19
11
29 21
13
55 53
47
F011

1 pole 11 Step I WAA 238 3 9

17 3 11
19 9
17 25 33
43 15
23 31 39
47 57
65 51 59
67
2 pole I WAA 258 6 1
2
5 1 pole 1
2
3 7
6
5 49
50
53 2 and 3 pole
3 pole I WAA 278 9 15 7 21
13
35 27 19
11
37 29 21
13
63 55 69
61
F012

1 pole 12 Step I WAA 239 3 9

17 3 11
19 9
17 25 33
41 15
23 31 39
47 57
65 51 59
67
2 pole I WAA 259 6 1
2
5 1 pole 1
2
3 7
6
5 49
50
53 2 and 3 pole
3 pole I WAA 279 9 23
15 7 21
13 43
35 27 19
11 45
37 29 21
13 71
63 55 69
61
F013

Multi-step Switches with „OFF“

1 pole 2 Step I A240-600 1

2 pole I A260-600 1 1 3 7 5

3 pole I A280-600 2 2 6 1- and 2 pole

5 pole F075 I WAA 486 3

< back to table of contents >

1 3 5 7 9 11 13 15 17 19

2 6 10 14 18 3 and 5 pole

1 pole 3 Step I A241-600 1

2 pole I A261-600 2 1
5
3 1
11
3 5
15
7 17
21
19
3 pole I A281-600 3 2 1 pole 2 6 18 2 and 3 pole
5 pole F109 I WAA 487 4
11 15 9 13 30
1 3 5 7 17 19 21 23 25 27

2 6 10 14 26 5 pole

1 pole 4 Step I A242-600 1

2 pole I WAA 262 2 1
5 3 7
1
9 11 3
5
13 15 7
17
23 21 19

3 pole I WAA 282 3 2 1 pole 2 6 18 2 and 3 pole

F002

1 pole 5 Step I A243-600 2

2 pole I WAA 263 3 1
5 9 3
7 1
9 17 3
11 5
13 21 7
15 25
29 35 27
31
3 pole I WAA 283 5 10 1 pole 2 6 26 2 and 3 pole
F003

I
I
1 pole 6 Step I A244-600 2
9
5 3 9 17 3 13 21 7 29 35 27
2 pole WAA 264 3 1 7 1 11 5 15 25 31
3 pole WAA 284 5 12
11 1 pole 2
19
6
23
26
37 2 and 3 pole
F004

12
 Switch Function and Configuration A Switches

Escutch.
Function Handle Code Stages Connection Diagram
Plate

Dimensions p. 29
Multi-step Switches with „OFF“

1 pole 7 Step I WAA 245 2 1

7 9 3
15 1
9 17 3
11 5
13 21 7
15
2 pole I WAA 265 4 12
11 1 pole 2
19
6
23 2 pole
3 pole I WAA 285 6 5 27 31
F005
9 17 19 13 23 21 41 39 35
1 11 7 15 33 43
2 27 6 31 45 3 pole
34
3 5 37
F044

1 pole 8 Step I WAA 246 2 9 7 3 3 9 17 21 13 31

2 pole I WAA 266 4

1
12
11
15 1 pole
1
2
25
11
29
6
23
15 2 pole
3 pole I WAA 286 6 13
5
27
19
7
5
F006
9 17 25 15 21 29 41 39 35
1 27 7 31 33 43
2 19 6 23 47 3 pole
34
3 5 37
11 13 45
F045
1 pole 9 Step I WAA 247 3 9 17 3 9 17 3 29 31 39
2 pole I WAA 267 5
1 11
19 1 pole
1 11
19
7 15
23 2 pole
3 pole I WAA 287 8
18
5
2
33
6
5
F007 21 13 27 25 21 13

9 17 25 15 23 31 49 57 43
< back to table of contents >

1 27 7 29 41 51
2 33 6 37 59 3 pole
42
3 5 45
F046 19 11 21 13 61 53

1 pole 10 Step I WAA 248 3 1

9 17 3
11 1
9 17 3
11 7
29 31 39
15
2 pole I WAA 268 5 18
19 1 pole 2
19
6
23 2 pole
3 pole I WAA 288 9 7 21 13
5
35 27 25
33
37 21 13
5
F008
9 17 25 15 23 31 57 65 51
1 33 7 37 49 59
2 41 6 45 67 3 pole
50
3 5 53
27 19 11 29 21 13 55 69 61
F047

1 pole 11 Step I WAA 249 3 9 17 3 9 17 3 29 31 39

2 pole I WAA 269 6

1
18
11
19 1 pole
1
2
11
19
7
6
15
23 2 pole
3 pole K WAA 289 9 15 5 43 33 47 5
7 21 13 35 27 25 37 21 13
F009
9 17 25 15 23 31 57 65 51
1 33 7 39 49 59
2 43 6 47 67 3 pole
50
35 3 37 5 63 53
27 19 11 29 21 13 55 69 61
F048

1 pole 12 Step I WAA 630 3 9

13
17 21 3
7
11
5 15
1 19
1 pole
18 23
F270

17 25 41 49 23 39 47 55 67 65 75 73
2 pole K WAA 635 7 1
9 51
43 7
15 53
45
57
59
77
69 2 and 3 pole
3 pole K WAA 644 11 2 27 6 37 58 83
3 5 63
11 13 61
F275 19 21 71

1 pole 16 Step K WAA 631 4 17

25
7 15 3
11
19
9 27
1 23
1 pole
28 31
F271 5
13
21
29

1 pole 20 Step K WAA 632 5 25

33 7 3
11
17 19
9 27
1 35
1 pole
34 15
F272 5
13
21
39 29
31 23 37

13
 Switch Function and Configuration A Switches

Escutch.
Function Handle Code Stages Connection Diagram
Plate

Dimensions p. 29
General Application Switches

1 pole 2 Gang I A310-600 1

2 pole I A312-600 1
3 pole I WAA 314 2
F075
Switching sequence:
0, A, A+B 1 pole

2 pole

3 pole

< back to table of contents >

1 pole 3 Gang I A311-600 1
2 pole I WAA 313 2
3 pole I WAA 315 3
F001
Switching sequence:
0, A, A+B, A+B+C
1 pole

2 pole

3 pole

14
 Switch Function and Configuration A Switches

Escutch.
Function Handle Code Stages Connection Diagram
Plate

Dimensions p. 29
Voltmeter Switches with „OFF“

3 phase to phase I A004 1

F019

3 phase to phase and I A007 2

3 phase to neutra

F027

2 separate 3 phase with I WAA008 2

center „OFF“

F020
< back to table of contents >

15
 Switch Function and Configuration A Switches

Escutch.
Function Handle Code Stages Connection Diagram
Plate

Dimensions p. 29
Ammeter Switches

Single pole with 3 current I A048 2

transformers with „OFF“
360° rotation
F059

Single pole with 2 current S WAA021 1

transformers (3 readings)

F172-PRL

2 pole, 3 current S WAA019 3

transformers

< back to table of contents >

F181-PRL

I A038 3

F059

16
 Switch Function and Configuration A Switches

Escutch.
Function Handle Code Stages Connection Diagram
Plate

Dimensions p. 29
Control Switches

Stop switch I WAA174 1

F022

Start switch I A175 1

F023

Stop start switch I A176 1

single pole

F024

Stop start switch with I A178 1

spring return from start
to run
< back to table of contents >

F119

Stop start switch with I WAA177 1

spring return to run for
2 units
F121

17
 Switch Function and Configuration A Switches

Escutch.
Function Handle Code Stages Connection Diagram
Plate

Dimensions p. 29
Motor Reversing Switches

3-polig I A401 2

F071

Star-delta Switches

Off-star-delta I A410 2

F080

With auxiliary contact I WAA416 3

< back to table of contents >

closed in „OFF“ position
F080

Motor Control Switches

2 speed single winding I A440 2

F073

2 speed single winding I A441 2

with center „OFF“
F071

2 speed single winding I A442 4

reversing
F105

Polumschalter

3 speed 2 winding I WAA457 3

0 - Ad - B s - A ss
F109

18
 Mounting A, AD Switches

A11
Four Hole Panel Mounting Code AD11 A11C
AD12 A25 A25C

Panel Mounting

Four hole panel mounting, Protection IP 40 E

Four hole panel mounting, Protection IP 65/67/69k EF

Panel and base mounting

Four hole panel mounting, Protection IP 40 ER

< back to table of contents >

Four hole panel mounting, Protection IP 65/67/69k ERF

Panel mounting using larger escutcheon plate

and handle

Four hole panel mounting, Protection IP 40 EG

Four hole panel mounting, Protection IP 65/67/69k EGF

Panel mounting with heavy duty stop and

metal shaft
Four hole panel mounting, Protection IP 40 KN1
Mounting plate, escutcheon plate and handle of size S1
Four hole panel mounting, Protection IP 40 KD1
Mounting plate, escutcheon plate and handle of size S1
and 6 mm square metal shaft

19
Mounting A, AD Switches

A11
Base Mounting Code AD11 A11C
AD12 A25 A25C

Base mounting

Base mounting - four hole, Protection IP 40 VE

Snap-on base mounting for track EN 50022, VE1

Protection IP 40

< back to table of contents >

20
 Handles

Type Color Code Size Type Color Code Size

S1 S2 S1 S2

R-Handle black G001 I-Handle black G251

red G002 red G252

—
F-Handle black G221 B-Handle black G521
—
red G222 red G522
< back to table of contents >

— —
S-Handle black G301 L-Handle black G501
— —
red G302 red G502

P-Handle black G211 K-Handle black G411

red G212 red G412

—
O-Handle black G321
—
red G322

21
Escutcheon Plates

Square and rectangular escutcheon plates are available for each size of switch. The
escutcheon plate consists of a frame and a faceplate having the switch positions
which is than embossed with hot-foil backing. The escutcheon plate frame is an
essential part of the switch and serves as a bearing surface for the handle. If the
switch is to be mounted without an escutcheon plate we would recommend the handle
bearing plate T100-04.

Standard Letterings Available

(Over 500 standard letterings, special letterings upon request.)

30° switching

F022 F141 F158 F703 F023 F137 F142 F159 F701 F704 F152 F709 F026 F035 F153 F169 F024 F143

F160 F221 F222 F224 F025 F034 F036 F037 F038 F039 F139 F144 F147 F149 F150 F151 F219 F258

F259 F273 F280 F329 F384 F708 F053 F161 F297 F298 F306 F307 F001 F040 F052 F229 F355 F018

< back to table of contents >

F019 F029 F030 F154 F155 F165 F166 F183 F184 F301 F302 F321 F332 F333 F334 F335 F374 F711

F712 F002 F021 F033 F041 F055 F305 F319 F054 F003 F042 F138 F255 F299 F308 F353 F350 F351

f
1 OFF 1
2 2
3 3

F004 F014 F017 F020 F027 F028 F031 F032 F043 F049 F135 F156 F157 F162 F167 F168 F187 F189

F303 F304 F336 F337 F347 F348 F710 F713 F714 F734 F005 F044 F136 F140 F702 F006 F010 F045

F015 F050 F007 F011 F046 F008 F012 F047 F016 F051 F009 F013 F048 F748

45° switching

F747 F295 F742 F743 F215 F216 F738 F744 F746 F792 F793 F107 F109 F114 F115 F212 F213 F214

F217 F267 F289 F330 F375 F376 F383 F408 F409 F410 F411 F412 F413 F426 F427 F430 F729 F752

F775 F776 F777 F778 F779 F780 F781 F796 F797 F798 F105 F108 F112 F113 F117 F118 F293 F429

F739 F741 F419 F789 F790 F791 F794 F795 F110 F106 F116 F294 F317 F414 F415 F416 F417 F418

F782 F783 F784 F785 F786 F787 F788 F799 F111 F210 F211 F284 F285 F296 F322 F727 F740

22
 Face plates

60° switching

F070 F087 F088 F089 F133 F197 F198 F232 F243 F247 F263 F268 F310 F311 F323 F328 F352 F367

F379 F380 F470 F754 F072 F163 F164 F192 F193 F196 F230 F231 F234 F244 F257 F262 F264 F282

F288 F291 F313 F382 F441 F705 F721 F722 F750 F757 F758 F075 F076 F098 F220 F223 F356 F357

F377 F723 F071 F073 F080 F081 F085 F086 F090 F091 F092 F093 F094 F104 F194 F235 F237 F239

F240 F241 F249 F260 F269 F274 F281 F290 F292 F312 F314 F315 F316 F324 F331 F344 F354 F358

F359 F364 F370 F371 F373 F381 F385 F442 F444 F469 F732 F735 F759 F077 F100 F101 F102 F309
< back to table of contents >

F342 F343 F361 F362 F363 F365 F366 F078 F191 F325 F326 F720 F074 F082 F096 F097 F195 F724

F256 F079 F083 F084 F095 F099 F185 F190 F199 F233 F236 F238 F242 F283 F725 F730 F731 F736

F737

90° switching

F056 F063 F068 F134 F201 F251 F252 F346 F456 F058 F065 F069 F177 F178 F182 F208 F253 F254

F340 F360 F378 F458 F443 F700 F743 F057 F061 F064 F067 F171 F181 F205 F207 F209 F320 F349

F437 F445 F715 F719 F059 F060 F062 F066 F170 F172 F173 F174 F175 F176 F179 F180 F186 F188

F202 F204 F206 F250 F265 F266 F286 F318 F327 F338 F339 F425 F716 F717 F718 F726 F733 F751

F755 F756

Miscellaneous

F119 F130 F122 F126 F125 F129 F225 F248 F261 F341 F345 F287 F123 F127 F145 F146 F148 F706

F707 F245 F120 F124 F128 F131 F121 F132 F749 F990 F991 F801 F802 F803 F804

F805 F806 F807 F808 F809 F810 F811 F812 F813 F814 F815 F816 F817 F818 F819 F820 F821 F822
INTERRUPTEUR PRINCIPAL INTERRUTTORE GENERALE INTERRUPTOR PRINCIPAL
OUVERTURE EN POSITION 0 APRIRE SOLO CON MANIGLIA SU 0 ABRIR ARMARIO SOLO EN POS. ’’0’’

1 2 3
F823 F824 F825 F826 F827 F828 F829 F830 F831 F832 F833 F834 F835 F837 F838 F839 F840 F841

1
INTERRUPTEUR PRINCIPAL, OUVERTURE EN POSITION 0 2INTERRUTTORE GENERALE, APRIRE SOLO CON MANIGLIA SU 0
3
INTERRUPTOR PRINCIPAL, ABRIR ARMARIO SOLO EN POS. ’’0’’ 23
 Technical Data A Switches

A11 AD11 AD12 A25
Selection Data
A11C AD11C AD12C A25C

Rated Insulation Voltage Ui IEC 60947-31

VDE 0660 part 1071 V
690 600 600 690

UL/Canada V
600 600 600 600
min. operational voltage V
20 1 6 20

Rated Impulse Withstand Voltage Uimp kV 6 on request on request 6

Rated Thermal Current Iu/Ith IEC 60947-3

VDE 0660 part 107 A
20 6 6 25

UL/Canada A
10 6 6 255

Rated Operational Current Ie

AC-21A Switching of resistive IEC 60947-3 1V A – 6 – –

loads, including mo- VDE 0660 part 107 6V A – 3 6 –
derate overloads 12 V A – 2 6 –
24/48 V A 20 1/0,8 5/4 25
110/220 V A 20 0,4/0,2 3/2 25
380/440 V A 20 0,13/0,1 1,3/1 25
500/600 V A 20 0,08/0,05 0,8/0,5 25
660/690 V A 20 – – 25

< back to table of contents >

AC-22A Switching of combined IEC 60947-3 220 V-500 V A 20 – – 25

resistive or low inductive VDE 0660 part 107 660 V-690 V A 16 – – 25
loads including moderate
overloads
AC-15 Switching of control IEC 60947-5-1 220 V-240 V A
6 – – 8
devices, contactors, VDE 0660 part 200 380 V-440 V A
4 – – 5
valves etc.

Pilot Duty UL/Canada Heavy VAC

600 – – 600

Ampere Rating UL/Canada A 10 see AC-21A see AC-21A 25

Resistive or low
inductive loads

Power loss per contact at Iu W 0,9 0,5 0,2 0,7

Resistance to vibration on request
Resistance to shock on request

Short Circuit Protection

Max. fuse size (gG-characteristic) A
20 6 6 35
Rated short-time withstand current (1s-current) A
120 45 75 220

DC Switching Capacity
2 Rated Operational Current Ie

No. of series contacts 1 2 3 4 5 6 8

Voltage V
A11 AD11 AD12 A25

Resisitive loads 1 2 3 4 5 6 8 – 4 – –
T ≤ 1 ms, DC-1 6 12 18 24 30 36 48 – 2,5 4 –
12 24 36 48 60 72 96 A – 1,5 3 –
24 48 72 96 120 144 190 – 0,8 2,2 16
48 96 140 190 240 290 360 10 0,3 1,2 15
60 120 180 240 300 360 450 3,5 0,27 1 5
110 220 330 440 550 660 – 0,8 0,2 0,6 1,2
220 440 660 – – – – 0,35 0,1 0,3 0,38
240 480 – – – – – 0,3 0,08 0,25 0,35
440 660 – – – – – 0,25 0,05 0,15 0,25
550 – – – – – – 0,15 0,03 0,1 0,2
600 – – – – – – 0,1 0,02 0,1 –

Inductive loads 24 48 72 96 120 144 190

10 – – 16
T = 50 ms 30 60 90 120 150 180 240
5 – – 7
48 95 140 190 240 290 350 A
1,8 – – 2,5
60 120 180 240 300 360 450
0,7 – – 1
110 220 330 440 550 660 –
0,3 – – 0,4

Min. Ambient Temperature of Stage -25 °C (valid only without optional extra)
3, 4
Max. Ambient Temperature of Stages open at 100 % Iu/Ith 55 °C during 24 hours with peaks up to 60 °C
enclosed at 100 % Ithe 35 °C during 24 hours with peaks up to 40 °C
1
Valid for lines with grounded common neutral termination, overvoltage category III, pollution degree 3. Values for other supply systems on request. 2DC switching capacity applies to
3 4
ON/OFF switches. Switching capacity for other configurations on request. For electromagnetic optional extras see additional data in Catalog 101. Storage temperature: -40 °C to 85 °C
(in case of temperature below -5 °C no shock load permissible). 5A25-4 and A25C-4: 22A

24
 Technical Data A Switches

A11 AD11 AD12 A25
Selection Data
A11C AD11C AD12C A25C

Rated Utilization Category IEC 60947-3

VDE 0660 part 107

AC-2 Slip ring motor starting, 3 phase 220 V-240 V
4 – – 5,5

reversing and plugging, 3 pole 380 V-440 V kW
7,5 – – 11

star-delta starting 500 V
10 – – 15
660 V-690 V
10 – – 13

Direct-on-line starting,
AC-3 3 phase 220 V-240 V
3 – – 4

star-delta starting 3 pole 380 V-440 V kW
5,5 – – 7,5

A11, A25 500 V
5,5 – – 7,5
660 V-690 V
5,5 – – 7,5

1 phase 110 V
0,6 – – 1,5
2 pole 220 V-240 V kW
2,2 – – 3
380 V-440 V
3 – – 3,7

Direct-on-line starting,
AC-4 3 phase 220 V-240 V
0,55 – – 1

reversing, plugging and 3 pole 380 V-440 V kW
1,5 – – 2,2

inching 500 V
1,5 – – 2,5
< back to table of contents >

660 V-690 V
1,5 – – 2,5

1 phase 110 V
0,15 – – 0,2
2 pole 220 V-240 V kW
0,25 – – 0,5
380 V-440 V
0,55 – – 0,8

AC-23A Frequent switching of 3 phase 220 V-240 V

3,7 – – 5,5

motors or other high 3 pole 380 V-440 V kW
7,5 – – 11

inductive loads 500 V
7,5 – – 11
660 V-690 V
7,5 – – 11

1 phase 110 V
0,75 – – 1,5
2 pole 220 V-240 V kW
2,2 – – 3
380 V-440 V
3,7 – – 5,5

Ratings UL/Canada

Standard motor load 120 V
1 – – 1,5

DOL-Rating 3 phase 240 V HP
1 – – 3

(similar AC-3) 3 pole 480 V
1 – – 7,5
600 V
1 – – 10

  120 V
0,5 – – 0,75

1 phase 240 V
1 – – 1,5

2 pole 277 V HP
1 – – 2
480 V
1 – – 3
600 V
1 – – 5

Max. Permissible Wire Gage - Use copper wire only


Single-core or stranded wire mm2 2,5 2,5 2,5 4
AWG 12 12 12 10

Flexible wire mm2
2,5 2,5 2,5 2,5

(sleeving in accordance with DIN 46228)
(2,5) (2,5) (2,5) (2,5)
Flexible AWG wires (without sleeve) AWG
14 14 14 12

25
Tightening torque of screws

Type Tightening torque Type Tightening torque Type Tightening torque

A11 0,8 Nm 7 Ib-in A25 1,3 Nm 12 Ib-in A25M 1,3 Nm 12 Ib-in

A11-1 0,8 Nm 7 Ib-in A25-4 1,3 Nm 12 Ib-in A25X 1,3 Nm 12 Ib-in
A11C 0,8 Nm 7 Ib-in A25C 1,3 Nm 12 Ib-in AD11 0,8 Nm 7 Ib-in
A11L 0,8 Nm 7 Ib-in A25C-4 1,3 Nm 12 Ib-in AD11C 0,8 Nm 7 Ib-in
A11M 0,8 Nm 7 Ib-in A25L 1,3 Nm 12 Ib-in AD12 0,8 Nm 7 Ib-in

International Standards and Approvals

Mark or
Country Authority A11 AD11 AD12 A25
Standard

USA/Canada Underwriters 1

Laboratories

Switzerland Schweizerischer

< back to table of contents >

Elektrotechnischer + + + +
Verein
Denmark Danmarks Elektriske
Materiellkontrol + + + +

Norway Norges Elektriske

Materiellkontroll + + + +

Sweden Svenska Elektriska

Materielkontroll- + + + +
anstalten
Finland Sähkötar-
kastuskeskus + + + +

Austria Österreichischer
Verband für + + + +
Elektrotechnik
Federal Republic Verband Deutscher VDE 06602
of Germany Elektrotechniker + + + +

Great Britain British Standards BS

Institution EN 609472 + + + +

Europe EN 609472
+ + + +

International Electrical IEC 609472

Commission (IEC) + + + +
Recommendation
Switch approved + Switch conforms to requirements
1
Approved under the “Component Program” (UL-Recognized Industrial Component). File No. E35541, Category Control Number NLRV2 and NLRV8 resp.
File No. E60262, Category Control Number NRNT2 and NRNT8.
2
Industrial switchgear is not required to bear a symbol but must conform to requirements. By referring to the specific specification on the product the manufacturer
implies that these requirements have been met.
3
Approved under the “Listing-Program”. File No. E35541, Guide No. NLRV and NLRV7 resp. File No. E60262, Category Control Number NRNT and NRNT7.

26
 mm
Dimensions inch

Escutcheon Plates Size A B C D1Ø D2Ø Escutcheon Plates Size A B C D1Ø D2Ø
and Handles and Handles

PE-Escutcheon Plate PR-Escutcheon Plate

64 7,4 64 78,8 7,4

S1 2.52 .29 S1 2.52 3.10 .29

88 8,5
S2 3.46 .34

Dimensions for the E, EF, ER, ERF, EG, EGF, KN1, KD1, VE and VE1 escutcheon plates.
Dimensions of the escutcheon plates used for other mounting, refer to page 29.

R-Handle I-Handle
C
C

23 31,5 5 18,2 36 27 31,8 2,5 18,2 36

< back to table of contents >

S1 0.91 1.24 .20 .72 1.42 D1

S1 1.06 1.25 .10 .72 1.42
D2
D2
D1

30 42 5 25,4 50,0
B

S2
B

1.18 1.65 .20 1.00 1.97

A
A

F-Handle B-Handle
C C

34 34 5 18,2 36 23 5 18,2 36
S1 1.34 1.34 .20 .72 1.42 S1 .91 .20 .72 1.42
D2
D1

D2
D1

44,7 45 5 25,4 50
B

S2 1.76 1.77 .20 1.00 1.97

A A

S-Handle L-Handle
C
C

50 45 5 18,2 36 24 24,1 5 18,2 36

S1 1.97 1.77 .20 .72 1.42 S1 .95 .95 .20 .72 1.42
D2
D1
D2
D1
B

A
A

P-Handle K-Handle
C C

58 57,5 5 18,2 36 54 64 5 18,2 36

S1 S1
D2

D2
D1
D1

2.28 2.26 .20 .72 1.42 2.13 2.52 .20 .72 1.42
B

70 68 5 25,4 50 55 71 5 25,4 50
B

S2 2.76 2.68 .20 1.00 1.97 S2 2.17 2.80 .20 1.00 1.97

A A

O-Handle
C

50 56 5 18,2 36
S1 1.97 2.2 .20 .72 1.42
D2
D1
B

27
 mm
Dimensions inch

A11
Four Hole Panel Mounting AD11 A11C
AD12 A25 A25C

Dimensions in brackets for rear mounting plate with ER

E
64 64 (88) 88
E, ER A 2.52 2.52 3.46
48 48 (68) 68
C max. B 1.89 1.89 2.68
D2
4 4 5,5

D1
C .16 .16 .22
5 (4.1) 5 (5.4) 6 (5.4)
D1
Ø

.20 .20 .24

D3
A

10-22 10-22 13-17

D2 .39-.87 .39-.87 .51-.67
60 70 84
L M (ER) B D3 2.36 2.76 3.31

Dimensions in brackets for rear mounting plate with ERF

< back to table of contents >

4 64 (88) 88
EF, ERF A 2.52 2.52 3.46
48 48 (68) 68
C max. B 1.89 1.89 2.68
D2
4 4 5,5
C
D1

.16 .16 .22

5 (4.1) 5 (5.4) 6 (5.4)
D1
Ø

.20 .20 .24

D3
A

19-22 19-22 26-30

D2 .75-.87 .75-.87 1.02-1.18
60 70 84
L M (ERF) B D3 2.36 2.76 3.31

EG, EGF 88 88 -
A 3.46 3.46 -
68 68 -
C max. B 2.68 2.68 -
D2 5,5 5,5 -
C .22 .22 -
D1

6 6 -
D1 .24 .24 -
Ø
D3
A

13-30 13-30 -
D2 EG .51-1.18 .51-1.18 -
26-30 26-30 -
D2 EGF 1.02-1.18 1.02-1.18 -
B
M L 60 70 -
D3 2.36 2.76 -

60 60
KN1, KD1 A 2.36 2.36
48 48
B 1.89 1.89
C max.
D2 4 4
C
D1

.16 .16
5 5
D1 .20 .20
Ø
D3
A

10-22 10-22
D2 .39-.87 .39-.87
60 70
M L
D3 2.36 2.76
B

28
 mm
Dimensions inch

A11
Base Mounting AD11 A11C
AD12 A25 A25C

64 64 (88) 88
Dimensions in brackets for rear mounting plate with VE A 2.52 2.52 3.46
H
VE B
48
1.89
48 (68)
1.89
68
2.68
B C max.
D2 13,5 13,5 16
C

D1
.53 .53 .63
5 (4.1) 5 (5.4) 6 (5.4)
D1 .20 .20 .24

¯
D3
A

10-22 10-22 13-30

D2 .39-.87 .39-.87 .51-1.18
60 70 84
D1 L M B D3 2.36 2.76 3.31
4,1 4,1 5,4
C max. E D4 .16 .16 .21
VE1 D2
70 70 -

D1
K
E 2.76 2.76 -
30 30 -
G 1.18 1.18 -
D3
A

30 30 -
K
G

1.18 1.18 -
64 88 88
L 3,0 .12" B H 2.52 3.46 3.46

A11 A11
Additional1 AD11
Length L AD11
< back to table of contents >

Length M AD12 A25

AD12 A25
Mounting E Mounting +
switch with latching mechanism size S2

6,5 8,7
No. of stages ER/ERF .26 .34
42,5 43,5 0,5 0,5
1 1.67 1.71 EG/EGF .02 .02
55,2 56,2 7 7
2 2.17 2.21 KN1/KD1 .28 .28
67,9 68,9 5 5
3 2.67 2.71 VE .20 .20
80,6 81,6 11 11
4 3.17 3.21 L M EL1 .43 .43
93,3 94,3 11 11
5 3.67 3.71 EL2 .43 .43
106 107 11 11
6 4.17 4.21 EL4 .43 .43
118,7 119,7 8,2 8,2
7 4.67 4.71 A11C/A25C .32 .32
131,4 132,4
8 5.17 5.21
144,1 145,1
9 5.67 5.71
156,8 157,8
10 6.17 6.21
169,5 170,5
11 6.67 6.71
182,2 183,2
12 7.17 7.21
1
Additional length plus length shown in the E mounting table = overall length

29
 The Range of “Blue Line” Switchgear
Technical literature covering the following products is available on request.

Catalog
Number

Main Switches and Main Switches with Emergency Function 16 A-315 A

Maintenance Switches 20 A-315 A
Switch Disconnectors 20 A-315 A 500
According to IEC 60947-3, EN 60947-3, VDE 0660 part 107, IEC 60204, EN 60204 and VDE 0113

CL Switches 10 A-20 A
C, CA and CAD Switches 10 A-315 A and L Switches 350 A-2400 A
C, CA and CAD switches are designed for universal application. They are recommended for instrument, isolator,
double-throw and motor control. 100
L switches are designed for load and off-load applications. They are used to switch resistive or low inductive
loads.

Optional Extras and Enclosures

The complete product line, a large number of optional extras is available, including door interlocks, push-pull
devices, cylinder and padlock attachments, control and indicator devices, AC motor drives, as well as 101
enclosures, both insulated and metal.

A and AD Switches 6 A-25 A

A and AD switches have 4 contacts in each switching stage. These switches provide an extensive range of switch
functions and require a minimum mounting depth. Up to 36 switching positions are possible, with availability of 110
48 contacts per 12 stage switch column.

CG, CH and CHR Switches 10 A-25 A

Ultra compact CG, CH and CHR switches are ideally suited for control and instrumentation applications.
Switch terminals are “finger-proof” and conveniently accessible for wiring and are delivered open. All CG4 swit-
ches offer specially designed gold plated contacts or H-bridges with “cross-wire” contact systems, which facilita-
120
tes their use in electronic circuitry and chemically aggressive environments.

DH, DHR, DK and DKR Switches 6 A-16 A

DH, DHR, DK and DKR switches incorporate unique corrosion resistant contacts that permit operation on system
voltage as low as 1 V. They have fully enclosed and protected contacts which can be operated either by rotary
and/or lateral handle movement. D switches are used in calibration and semiconductor circuits. They are also
130
used for relay and contactor control.

X Switches 80 A-630 A
X switches can be applied for load, tap and gang switching duties. They incorporate 6 contacts in each switching
stage. Their compact design provides a minimum length dimension for mounting purposes.
140
KG Switches 20 A-315 A and KH and KHR Switches 16 A-80 A
KG, KH and KHR switches are excellent circuit interruptors. They have high through fault and fault making
capacities and are especially designed for use as isolators and safety switches for machine tools, distribution
panels and switchboards. KG ON/OFF switches offer unusually high dimensioned air and creepage distances 150
between terminals which are designed for time saving “straight-line” wiring. ON/OFF switches are available with
up to 8 poles and double-throw switches are available with up to 4 poles.

Push Buttons and Pilot Lights, 22,5 mm Ø

A complete range of state-of-the-art push buttons and pilot lights represent an ideal combination of functional
security and economical efficiency in a modular design.
302

We reserve the right to make technical and dimensional changes without prior notice.
30
SALES AND SERVICE ORGANIZATION

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Finland 34277 Arnavutkoy-Istanbul-Turkey
Kraus & Naimer Oy P: +90 212 624 92 04 118
Kiitoradankuja 8 Netherlands F: +90 212 592 48 10
01530 VANTAA Kraus & Naimer B.V. E: info@unalkardes.com.tr
P: +358 9 825 424 0 Wegtersweg 38-40, Postbus 199
F: +358 9 825 424 10 7556 BR HENGELO (Ov.)
E: sales-fi@krausnaimer.com P: +31 74 291 9441 USA
F: +31 74 291 98380 Kraus & Naimer Inc.
E: sales-nl@krausnaimer.com 760 New Brunswick Road
France SOMERSET, NJ 08873
Kraus & Naimer s.a.s. P: +1 732 560 1240
33, rue Bobillot New Zealand E: sales-us@krausnaimer.com
75013 PARIS Kraus & Naimer Ltd.
P: +33 1 58 40 80 80 42 Miramar Avenue, WELLINGTON 6022
F: +33 1 45 80 91 19 P. O. Box 15-009, WELLINGTON 6243
E: sales-fr@krausnaimer.com P: + 64 0800 736 522
F: + 64 4 380 9877
E: sales-nz@krausnaimer.com
Germany
Kraus & Naimer GmbH
Wikingerstraße 20-28, 76189 KARLSRUHE Norway
Postfach 10 01 24, 76231 KARLSRUHE Kraus & Naimer AB Avd. Norge
P: +49 721 59 88 0 Brobekkveien 80 Bygg 12
F: +49 721 59 28 28 0582 Oslo
E: sales-de@krausnaimer.com P: +47 22 64 44 20
F: +47 22 65 39 49
E: sales-no@krausnaimer.com
 Contact us:
www.krausnaimer.com