ABB OTM C Series Guida utente

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INSTALLATION AND OPERATING INSTRUCTION

Motorized change-over and

transfer switches

OTM_C

—

Motorized change-over and transfer switches

34OTM-C rev. G / 1SCC303002M0206

2MOTORIZED CHANGE-OVER AND TRANSFER SWITCHES, OTM_C

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Table of contents

1. Introduction 04

1.1 Use of symbols 04

1.2 Explanations of abbreciations and terms 04

2. Product overview 05

3. Quick start 06

3.1 Operating the motorized change-over

witch electrically: remote control 06

3.1.1 Locking electrical operation 07

3.2 Operating the motorized cahnge over switch

manually; local operation 08

4. Installation 09

4.1 Mounting the motorized change-over switch 09−10

5. Dimension drawings 11−17

6. Connections 18

6.1 Mounting postitions 19

6.2 Labelling 19

7. Connecting 20

8. Operating 21

8.1 Electrical operation 21−22

8.1.1 Impulse control 23

8.1.2 Continuous control 24

8.2 Manual operation by using the handle 25

8.3 Locking 26

8.3.1 Locking the electrical operation 26

8.3.2 Locking the manual operation 26−27

9. Technical data 28−29

10. Accessories 30

10.1 Terminal clamp sets OZXA_OTZB_ 30

10.2 Bridging bars OTZC_, OTZR_ 31−34

10.3 Voltage sensing connectors OMZB_ 35

10.4 Terminal shrouds OTS_ 36−37

10.5 Reversing bars OTZR_ 38

10.6 Voltage sensing connectors OMZB_ 39−40

10.7 Auxiliary contacts OA_ 41

10.8 Dual power sourse ODPS_ 42

10.9 Handle and spare fuse storage OTVS_ 43

11. Clearances per UL 1008 44

11.1 Phase barriers OTB_ 45−46

MOTORIZED CHANGE-OVER AND TRANSFER SWITCHES, OTM_C MOTORIZED CHANGE-OVER AND TRANSFER SWITCHES, OTM_C

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Operation

OTM_C Operation

0 I 0 0II

Switch 

Open

Switch 

Operation

I II I

Open

OFF

OTM_CF

Switch 

Switch Close

Open

0 I 0 0II

Operation

OTM_CL

4MOTORIZED CHANGE-OVER AND TRANSFER SWITCHES, OTM_C

—

1. Introduction

This manual describes the installation and the basic operation of the motorized change-over and trans-

fer switches, types OTM_C. The instructive part is followed by a section on available accessories.

—

1.1 Use of symbols

OTM_C: Motorized change-over switch, the type name

OME_: Motor operator, the type name

OT_C: Change-over switch, the type name

OZXB_ and OZXA_: Terminal clamp sets, the type name, accessories

OTZC_: Bridging bars, the type name, accessories

OTS_: Terminal shrouds, the type name, accessories

OA_: Auxiliary contacts, the type name, accessories

ODPS_: Dual power source, the type name, accessories

Caution: provides important information or warns about a situation that may have a

detrimental effect on equipment.

General warning: warns about a situation where something other than electrical

equipment may cause physical injury to a person or damage to equipment.

Hazardous voltage: warns about a situation where a hazardous voltage may cause physical

injury to a person or damage to equipment.

Information: provides important information about the equipment.

—

1.2 Explanations of abbreviations and terms

MOTORIZED CHANGE-OVER AND TRANSFER SWITCHES, OTM_C MOTORIZED CHANGE-OVER AND TRANSFER SWITCHES, OTM_C

—

2. Product overview

Motorized change-over switches (type OTM_C) are suitable for remote control. You can operate the

motorized change-over switches either electrically by using the motor operator or manually by using

the handle. The operation, either electrical or manual, can be chosen by the selector switch “Motor/

Manual” on the motor operator. Motorized change-over switches consist of the change-over switch and

the motor operator.

Figure 2.1 Motorized change-over switch (type OTM_C)

1Change-over switch

2Motor operator

3Switch panel, the operating mechanism

4Handle for manual operation, double grip handle in sizes OTM1000-3200_C

5Motor/Manual selection

6Terminals for motor operator voltage supply

7Terminals for push-buttons

8Fuse (F1) of motor operator

9Locking latch for releasing the handle and locking electrical operation

10 Locking clip for locking manual operation

11 Terminals for locking state information

12 Place for auxiliary contacts

Man.

A04120

864

710

6MOTORIZED CHANGE-OVER AND TRANSFER SWITCHES, OTM_C

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3. Quick start

This is a quick guide only meant for those who need a reminder of how to operate the unit.

For more detailed instructions, see chapter 6.

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3.1 Operating the motorized change-over switch electrically; remote control

To operate the motorized change-over switch electrically:

1. Remove the handle from the switch panel. You can remove the handle in all positions (I, 0, II).

2. Turn the Motor/Manual selector to the Motor (M) position to enable electrical operation.

Man.

A04122

Man.

Figure 3.1 Operating the motorized change-over switch electrically; remote control

MOTORIZED CHANGE-OVER AND TRANSFER SWITCHES, OTM_C MOTORIZED CHANGE-OVER AND TRANSFER SWITCHES, OTM_C

3.1.1 Locking electrical operation

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

has been locked, the motorized change-over switch cannot be operated electrically. You

can lock electrical operation in all positions (I, 0, II).

Figure 3.2 Locking electrical operation

A04136

Man.

∅5...6 mm

8MOTORIZED CHANGE-OVER AND TRANSFER SWITCHES, OTM_C

To disable the manual (and at the same time also electrical) operation, lift up the locking clip to posi-

tion 0 and attach the padlock to the handle.

Figure 3.4 Locking the manual operation

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3.2 Operating the motorized change-over switch manually; local operation

To operate the motorized change-over 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 all positions (I, 0, II).

Figure 3.3 Operating the motorized change-over switch manually

Man.

A04123

Man.

CLICK !

Man.

A04137

MOTORIZED CHANGE-OVER AND TRANSFER SWITCHES, OTM_C MOTORIZED CHANGE-OVER AND TRANSFER SWITCHES, OTM_C

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4. Installation

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4.1 Mounting the motorized change-over switch

Figure 4.1 An example of using protection against direct contact

Use protection against direct contact.

Caution

Man.

OMD

A04126

10 MOTORIZED CHANGE-OVER AND TRANSFER SWITCHES, OTM_C

Figure 4.2 Motorized change-over switches, drilling hole distances / screw-mounting, [mm/in]

Man.

A04127







A2 







U3 U4

OTM600_C_M

OTM630-800_C_M







A2 







U3 U4

OTM400_C_M

E4E3

OTM315-400_C_M







A2 







E3 E4

OTM160-250_WC_M

OTM160-250_C_M









U3 U4

OTM200_C_M







OTM2000-2500_C_M







A2 







E3 E4

OTM1600_WC_M

OTM1000-1250_C_M









U3 U4

OTM800-1200_C_M

OTM600-800E_C_

OTM160-250_C_

OTM315_400_C_

OTM800-1200U_C_

OTM1000-2500_C_

M10









OTM3200-4000_C_M

OTM3200_C_

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