Motorized Change-Over Switches

34 OTM_C_
Installation and operating instruction
2281 6527 Installation and operating instruction
TABLE OF CONTENTS

TABLE OF CONTENTS
1 Introduction
1.1 Use of symbols..................................................................................4

2 Product overview

3 Quick start
3.1 Controlling the switch electrically (remote control) ..........................6
3.2 Controlling the switch manually (local operation) ............................7

4 Installation
4.1 Mounting the OTM_ motorized change-over switch ........................9
4.2 Mounting positions ..........................................................................14

5 Connecting the control circuit

6 Operating the OTM_motorized change-over switch

6.1 Electrical control ..............................................................................17
6.1.1 Impulse control ................................................................ 19
6.1.2 Continuous control .......................................................... 19
6.2 Manual operation.............................................................................20
6.3 Lockings...........................................................................................21
6.3.1 Locking electrical control................................................. 21
6.3.2 Locking manual operation............................................... 22

7 Technical data
7.1 Motor operator .................................................................................24
7.2 State information .............................................................................25

8 Accessories
8.1 Terminal clamp sets ........................................................................26
8.2 Bridging bars ...................................................................................27
8.3 Terminal shrouds .............................................................................28
8.4 Auxiliary contact blocks...................................................................30
8.5 UL standard switches......................................................................31
8.6 Barriers ............................................................................................33

3
1SCC303002M9701
 1 Introduction

This manual describes the installation and the basic operation of the OTM_ motorized change-over
switch. The instructive part is followed by a section on available accessories.

1.1 Use of symbols

Hazardous voltage: warns about a situation where a hazardous voltage may cause physical injury to a
person or damage to equipment.

General warning: warns about a situation where something other than electrical equipment may
cause physical injury to a person or damage to equipment.

Caution: provides important information or warns about a situation that may have a detrimental effect
on equipment.

Information: provides important information about the equipment.

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1SCC303002M9701
 Installation and operating instruction
2 Product overview

2 Product overview

OTM_ motorized change-over switches are designed for diverse applications to secure power supply.
You can operate the OTM_ motorized change-over switches either electrically using the motor operator
or manually using the handle.

3 4 5 6

11
10
7 8 9
S02162A

Fig. 2-1 OTM_ motorized change-over switch

1 Motor operator
2 Switch panel
3 Motor/Manual selection
4 Terminals for locking state information
5 Handle for manual operation
6 Place for auxiliary terminals
7 Fuse (F1) of motor operator
8 Terminals for motor operator voltage supply
9 Terminals for push-buttons
10 Locking latch for releasing the handle and locking electrical control
11 Locking clip for locking manual operation

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1SCC303002M9701
 3 Quick start

This is a quick guide meant for you who only need a reminder of how to operate the unit. For more
detailed instructions, see chapter 6

3.1 Controlling the switch electrically (remote control)

To control the switch electrically:
1. Remove the handle from the switch panel.
You can remove the handle in any position.
2. Turn the Motor/Manual selector to the Motor (M) position to enable electrical control.

M
M

Man.
Man.
A00308A

Fig. 3-1 Controlling the switch electrically

To disable electrical control, lock the locking latch with a padlock.

After the locking latch has been locked, the switch cannot be controlled electrically.

You can lock electrical control in any position (I, 0, II).

6
1SCC303002M9701
 Installation and operating instruction
3 Quick start

2
1
A00307A

Fig. 3-2 Locking electrical control

3.2 Controlling the switch manually (local operation)

To control the switch manually:
1. Turn the Motor/Manual selector to the Manual (Man.) position to enable manual operation and to
prevent electrical operation.
2. Attach the handle to the switch panel.
You can attach the handle in any position.

M
M

Man.

Man. I
II

Man.
A00309A

Fig. 3-3 Operating the switch manually

7
1SCC303002M9701
 To disable the manual (and electrical) operation, lift up the locking clip in position 0 and attach the
padlock to the handle.
A00304A

Fig. 3-4 Locking the manual operation

The following chart shows the locking state information.

M Man.
M
M

Man.
Man.

11

14
12
12 12 12 12 12
11 11 11 11 11

14 14 14 14 14

23
24

23 24 23 24 23 24 23 24 23 24

Fig. 3-5 Locking state information

8
1SCC303002M9701
 Installation and operating instruction
4 Installation

4 Installation

4.1 Mounting the OTM_ motorized change-over switch

Use protection against direct contact.

M5
A2
3,5...4 Nm
31...35.4 lb.in.
I
II

A1
M

Man.
A01500A

Fig. 4-1 OTM160... 250_C

A2
134,5 65 87,5
20 83 / 35,5
9,0 23 3
127

100 122
14
A1 130
130 150
65
A10014A

25 20
48,5 72
162 A 25
160 37
B

Fig. 4-2 OTM160…250E-C-M

9
1SCC303002M9701
 OTM160…250E-C-M
E3 E4
A 35 35
A1 116 116
A2 258 293
B 273 308

A2 87,5
134,5 65 23 3
20 83 / 35,5
127 9,0

25

100 122 14
A1 130
130 150
170 65
A10005A

170 20
A 25
48,5 72
B
160 37

Fig. 4-3 OTM160...250_WCM

OTM160…250_WCM
E3 E4
A 43 43
A1 116 116
A2 282 325
B 297 340

A2 87,5
134,5 65 23 3,44
20 0,91 3
5,30 2,56 9,0 0,12 83/35,5
0,79
127 0,35 3,27/1,40
5,00 25
0,98
130 14
100 5,12 0,55
3,94
A1 150
130 5,91
5,12 122 65
4,80 170 2,56
6,69

20
A10006A

170 25
6,69 A 48,5 72 0,79
0,98
19,09 2,83
B 160 37
6,30 1,46

Fig. 4-4 OTM200U_C_M

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 Installation and operating instruction
4 Installation

OTM200U_C_M
U3 U4
A 43/1,69 43/1,69
A1 116/4,57 116/4,57
A2 282/11,10 325/12,80
B 297/11,69 340/13,39

M5
3,5...4 Nm
A2 31...35.4 lb.in.

I
II
A1

Man.
A01501A

Fig. 4-5 OTM315... 400_C

A2
137,25 95 11 25 56 4 126 / 51,5
35 87
32,5

156 150 17
A1
120 160
185

95
A10007A

20,5
185,25 A
192 43
31,25
B

Fig. 4-6 OTM315...400E_C_M

OTM315...400E_C_M
E3 E4
A 44 44
A1 142 142
A2 305 349
B 323 367

11
1SCC303002M9701
 A2 56 4
11 25 2,20 0,16 126 / 51,5
137,25 95 0,43 0,98 4,96 / 2,03
5,40 3,74 35 87
1,38 3,43 32,5
1,28

150 17
120 5,91 0,67
4,72 160
A1 6,30
156 185
6,14 7,28 95
220 3,74
8,66
A10008A

195,25 A 31,25 20,5

7,69 1,23 0,81
B 192 43
7,56 1,69

Fig. 4-7 OTM400U_C_M

OTM400U_C_M
U3 U4
A 54/2,13 54/2,13
A1 142/5,59 142/5,59
A2 335/13,19 389/15,31
B 353/13,90 407/16,02

A2

M6

I
II

A1

Man.
A01502A

Fig. 4-8 OTM600... 800_C

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 Installation and operating instruction
4 Installation

110,5

256
A2
5 138,6
147,5 39 64,1 132,6

13,5 61,5 45
145

200 198
A1 210
160 250 17

15
25,5
212,5 A 47,5
43
B
299

Fig. 4-9 OTM630... 800E_C_M

OTM630-800E-C-M
U02 U03 U04
A 65 65 65
A1 180 180 180
A2 325 390 455
B 346 411 476

mm A2 256
in 10,08

5 132,6
39 13,5 0,20
1,54 5,22
147,5 0,53
64,1
5,81 2,52 45
1,77 145
198 5,7
200 7,80
7,87 210 400
160 8,27 15,75
6,30 250 17
A1 9,84 0,67
509
20,04
15
0,59
25,5 47,5
1,00 212,5 A 1,87 43
8,37 1,69
B

299
11,77

Fig. 4-10 OTM600U_C_M

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1SCC303002M9701
 OTM600U-C-M
U02 U03 U04
A 65/2,56 65/2,56 65/2,56
A1 180/7,09 180/7,09 180/7,09
A2 325/12,8 390/15,35 455/17,91
B 436/13,62 411/16,18 476/18,74

4.2 Mounting positions

The recommended mounting positions for OTM_ motorized change-over switches are horizontal, wall
mounted or table mounted.

Do not install the OTM_ change-over switches in any other position than those described above.

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1SCC303002M9701
 Installation and operating instruction
5 Connecting the control circuit

5 Connecting the control circuit

The electrical installation and maintenance of OTM_motorized change-over switches may be

performed only by an authorized electrician. Do not attempt any installation or maintenance actions
when an OTM_motorized change-over switch is connected to the electrical mains. Before starting the
work, make sure that the switch is de-energized.

3
23
11
24
12
14

I
II

Man.

1 2

F2

24Vdc
A00298A

N L I 0
PE c II
Ui>250V
_

Fig. 5-1 OTM_motorized change-over switch terminals

1. Terminals for motor operator voltage supply

2. Control terminal (push-buttons)
3. Terminals for state information of locking

15
1SCC303002M9701
 Do not couple power for the control terminal. See the correct terminal for the power supply in Figure
5-1.

The control voltage (output C = 24Vdc) on the control terminal is non-isolated, see box 2 in Figure
5-1.

The maximum cable length to ensure faultless operation of the push-buttons, see table 7-1

When relay outputs are used with inductive loads (such as relays, contactors and motors), they must
be protected from voltage spikes using varistors, RC-protectors (AC current) or DC current diodes
(DC current).

16
1SCC303002M9701
 Installation and operating instruction
6 Operating the OTM_motorized change-over switch

6 Operating the OTM_motorized change-

over switch

Never open any covers on the product. There may be dangerous external control voltages inside the
OTM_ motorized change-over switch even if the voltage is turned off.

Never handle control cables when the voltage of the OTM_ motorized change-over switch or external
control circuits is connected.

Exercise sufficient caution when handling the unit.

6.1 Electrical control

You can control the switch electrically by using the push-buttons or a similar control concept.

To control the switch electrically:

1. Release the handle from the switch panel by pressing down the locking latch under the switch panel
and pulling the handle off, see Figure 6-1.

17
1SCC303002M9701
 1
A00305A

2
Fig. 6-1 Releasing the handle

Electrical control is disabled if the handle is attached to the switch panel.

2. Turn the Motor/Manual selection switch to the Motor (M) position, see Figure 6-2.

M
M

Man.
Man.
A00299A

Fig. 6-2 Motor/Manual selection in the Motor (M) position

3. Control the OTM_ motorized change-over switch with the push-buttons via impulse control or
continuous control.

The switch can be operated from position I to position II (or from II to I) without stopping it in position
0. For example, if switch I is closed and you press the push-button (II), the control unit first runs switch
I in the open position and then the control unit runs switch II from the open to the closed position.

18
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 Installation and operating instruction
6 Operating the OTM_motorized change-over switch

The motor operator is protected from overloading by a fuse (F1) under the motor operator, see Figure
2-1. Only use the same type of fuse that is described on the label close to the fuse.

6.1.1 Impulse control

When using impulse control, the switch is controlled by electric impulses. When you press the control
button, the switch is driven to the corresponding position (I, 0 or II). The control impulse must last more
than 100ms to take effect. A new command cannot be given until the switch has reached the position of
the previous command. Figure 6-3 shows the operation of the switch with impulse control.

If a new command is given before the switch has reached the position of the previous command, the
fuse (F1) may operate.

I II 0

I - command II - command 0 - command

I - function

0 - function
A00301A

II - function

Fig. 6-3 Impulse control

6.1.2 Continuous control

When using continuous control, the control command is supplied to the switch continuously. When you
press the control button, the switch is driven to the corresponding position (I, 0 or II). Control of
position 0 will over-run control of the other positions; that is, if you simultaneously give the 0 command
and another command, the switch is driven to position 0. Figure 6-4 shows the operation of the switch
with continuous control.

19
1SCC303002M9701
 The continuous control command can be given with push buttons, cam switches or with relays
incorporated in PLC equipment or with other suitable contacts.

0 - command

I - command II - command 0 - command

I - position

0 - position

II - position
A00302A

Fig. 6-4 Continuous control

6.2 Manual operation

You can control the switch manually using the handle that is included in the delivery.

To control the switch manually:

1. Turn the Motor/Manual selector to the Manual (Man.) position, see Figure 6-5. The motor operator is
switched off and electrical control is prevented.

M
M

Man.

Man.
A00300A

Fig. 6-5 Motor/Manual selection in the Man. position

2. Attach the handle by pressing it to the switch panel until it clicks into place. You can attach the
handle in all positions, see Figure 6-6.

20
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 Installation and operating instruction
6 Operating the OTM_motorized change-over switch

I
II

Man.
A00303A

Fig. 6-6 Attaching the handle

Electrical control is prevented when the handle is attached to the switch panel.

3. Control the OTM_ motorized change-over switch by turning the handle to the required position (I, 0,
II).

6.3 Lockings
You can lock the OTM_motorized change-over switch to a specific position.

6.3.1 Locking electrical control

You can lock the electrical control to any position (I, 0, II).

To lock electrical control:

1. Pull up the locking latch under the switch panel.
2. Place the padlock under the latch, see Figure 6-7.

21
1SCC303002M9701
 2
1
A00307A

Fig. 6-7 Locking electrical control

You cannot attach the handle when electrical control is locked.

6.3.2 Locking manual operation

By default, manual operation can only be locked to position 0. Locking to positions I and II is optional
and possible only with modifications to the switch panel.

To lock manual operation:

1. Turn the handle to the required position.
2. Pull out the clip from the handle and place the padlock on the handle, see Figure 6-8.

22
1SCC303002M9701
 Installation and operating instruction
6 Operating the OTM_motorized change-over switch

A00304A

Fig. 6-8 Locking manual operation

The handle cannot be removed when padlocked to position 0.

23
1SCC303002M9701
 7 Technical data

7.1 Motor operator

Table 7-1 General technical data of motor operators
Motor operator Value
Rated operational voltage Ue 220 - 240 VAC
Operating voltage range 0,85... 1,1 x Ue
Operating angle 90° 0-I, I-0, 0-II, II-0; 180° I-0-II
Operating time See Table 7-2
Protection degree IP 20

Voltage supply PE N L
Cable of the push-buttons (no SELV) C II I 0
Cross section; solid/stranded 1.,5… 2,5 mm2
Maximum cable length 100 m
State information of locking (no SELV)
Handle attached or motor operator locked 11-12-14 (C/O)
Locking motor operator 23-24 (NO)
Rated impulse withstand voltage Uimp
Between terminals 4 kV
Between state information contacts 4 kV

Operating temperature -5... +40 °C

Transportation and storage temperature -40... +70 °C
Altitude Max. 2000m

Table 7-2 Specified technical data of motor operators

Type Voltage Ue Nominal Current Operating Operating OFF-time
[V] current a In Inrush [A] time I-0, time I-0-II, when
[A] 0-I, 0-II, II- II-0-I [s] operating
0 [s] I-II or II-I
[s]
OTM160...250_C 230VAC 0,2 1,8 0,4-0,8 1,1-1,5 0,4-0,8
110V
OTM315...400_C 230VAC 0,5 3,5 0,4-0,8 1,1-1,5 0,4-0,8
110V
OTM600…800_C 230VAC
110V
a
Under nominal conditions

24
1SCC303002M9701
 Installation and operating instruction
7 Technical data

7.2 State information

Table 7-3 State information
Measurement Value
Handle attached or motor operator locked 11-12-14 (C/O): 4A / 250V / cosφ=1
Locking motor operator 23-24 (NO): 4A / 250V / cosφ=1

25
1SCC303002M9701
 8 Accessories

8.1 Terminal clamp sets

OT 200, OT 250

OZXB1L
OZXB2
OZXB2L
OZXB8
OZXB9 I
II

OT 200U

OZXA-200_
OZXA-206_

Man.
A00074A

Fig. 8-1 OTM 160...250_C

OT 315, OT 400

OZXB2L
OZXB3
OZXB4
OZXB7
OZXB7L
OZXB8
OZXB9
I
IIII II
OT 400U

OZXA-400_
OZXA-406_
M

Man.
A00083A

Fig. 8-2 OTM 315...400_C

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1SCC303002M9701
 Installation and operating instruction
8 Accessories

OT 630, OT 800

OZXB3
OZXB4
OZXB5
OZXB6 *
I OZXB7L
IIII
OT 800U

OZXA-800_
OZXA-806_

Man.
A00151A

* max. 1 pcs / side

Fig. 8-3 OTM 600...800_C

8.2 Bridging bars

Man.
M

M
Man.

3
II
I

OTZC_

2
A00087A

Fig. 8-4 OTM160…400_C

27
1SCC303002M9701
 Man.
MM

M
Man.

3
II
I

630 A
800 A

1
OTZC_

2
A00154A

Fig. 8-5 OTM600...800_C

8.3 Terminal shrouds

G
OTS250 1S
T

1
G
OTS250 1S
T
M8 15...22Nm 5/6DIA IN. 133-195LB.IN.

G
OTS250 1L
T
M
2
4 3

I
II
G
OTS250 1L
T

1
M
M

Man.

2
A01504A

Fig. 8-6 OTM160…250_C

28
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 Installation and operating instruction
8 Accessories

G
OTS400 1S
T

G
OTS400 1S
T

M10 30...44Nm 266-390 LB.IN.

G
OTS400 1L
T
M

G
OTS400 1L
T
I
II

Man.
A01505A

Fig. 8-7 OTM315…400_C

G G
OTS800 1S
T
OTS800 1S
T
1

G
OTS800 1L
T

2 M12 50...75Nm 433-664 LB.IN.

M
3
G
4
OTS800 1L
T
1
I
IIII

M
2
M

Man.
A01506A

Fig. 8-8 OTM600…800_C

29
1SCC303002M9701
8.4 Auxiliary contact blocks

I
II
21
M

.naanM
M
Ma n..
37

11
1 13

I I MAX 2+2
II
OA 1G10 OA 3G01
M
I
O
.naanM
M
Ma n..
II

13
14 23
13 24
23 11
14 21
24 12
11 22
12 21
22

3
II MAX 2+2
OA 1G10 OA 3G01
I
A00077A

O
II

Fig. 8-9 OTM160…800_C

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 Installation and operating instruction
8 Accessories

8.5 UL standard switches

F
A01509A

Fig. 8-10 OTM200U_C

Height Width Depth

406 mm 305 mm 203 mm
16 inch 12 inch 8 inch

F
A01510A

Fig. 8-11 OTM400U_C

Height Width Depth

610 mm 356 mm 254 mm
24 inch 14 inch 10 inch

31
1SCC303002M9701
 E

A B
F
A01511A

Fig. 8-12 OTM600U_C

Height Width Depth

600 mm 700 mm 400 mm
24 inch 28 inch 16 inch

Table 8-4 Measurements of the OTM_ motorized change-over switch

A 0
B 13mm 0,5
inch
C Cable size 4-3 2 1 1/0 2/0 3/0- 250 300
AWG/MCM 4/0
100 100 100 125 150 175 200 250
mm mm mm mm mm mm mm mm
4 4 4 5 6 7 8 10
inch inch inch inch inch inch inch inch
D Cable size 2 1 1/0 2/0 3/0- 250 300 350
AWG/MCM 4/0
100 100 150 150 175 200 250 300
mm mm mm mm mm mm mm mm
4 4 5 6 7 8 10 12
inch inch inch inch inch inch inch inch
E Cable size 2 1 1/0 2/0 3/0- 250 300 350 400 500 600
AWG/MCM 4/0
100 100 150 150 175 200 250 300 330 356 381
mm mm mm mm mm mm mm mm mm mm mm
4 4 5 6 7 8 10 12 13 14 15
inch inch inch inch inch inch inch inch inch inch inch
F 13mm 0,5
inch

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 Installation and operating instruction
8 Accessories

8.6 Barriers

If the conductors are wider than 39 mm (1.54 inch), barriers of type 68838 or shrouds must be used
on OTM600U_C to maintain a clearance of 1 inch.

2
1

I
II

110

Man..
Man

173
118
I
II

.
Man.
Man

3
A01508A

Fig. 8-13 OTM600U_C

33
1SCC303002M9701
 Publication: 1SCC303002M9701

ABB Oy
Low Voltage Products
P.O Box 622
FI-65101 VAASA, Finland
Telephone +358 10 22 11
Telefax +358 10 22 45708
http://www.abb.com/lvswitches