ABB OTM C Series Guida utente
—
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
—
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
3
MOTORIZED CHANGE-OVER AND TRANSFER SWITCHES, OTM_C MOTORIZED CHANGE-OVER AND TRANSFER SWITCHES, OTM_C
—
Operation
OTM_C Operation
0 I 0 0II
Switch
Close
Open
Close
Open
Switch
Switch
Switch
Operation
I II I
Close
Open
Close
Open
ON
OFF
ON
ON
ON
ON
ON
ON
OFF
OTM_CF
Switch
Switch Close
Open
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
5
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
II
M
M
Man.
Man.
M
M
Man.
Man.
A04120
864
9
710
5
3
1
12
11
2
I
4
10
6MOTORIZED CHANGE-OVER AND TRANSFER SWITCHES, OTM_C
—
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.
—
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.
II
I
M
M
Man.
Man.
M
M
Man.
Man.
A04122
M
M
Man.
Man.
II
I
M
M
Man.
Man.
M
M
Man.
Man.
Figure 3.1 Operating the motorized change-over switch electrically; remote control
7
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
II
I
M
M
Man.
Man.
M
M
Man.
Man.
1
2
∅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
—
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
II
I
M
M
Man.
Man.
A04123
M
M
Man.
Man.
CLICK !
2
1
II
I
M
M
Man.
Man.
M
M
Man.
Man.
A04137
9
MOTORIZED CHANGE-OVER AND TRANSFER SWITCHES, OTM_C MOTORIZED CHANGE-OVER AND TRANSFER SWITCHES, OTM_C
—
4. Installation
—
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
II
M
M
Man.
Man.
M
M
Man.
Man.
OMD
A04126
I
10 MOTORIZED CHANGE-OVER AND TRANSFER SWITCHES, OTM_C
Figure 4.2 Motorized change-over switches, drilling hole distances / screw-mounting, [mm/in]
II
M
M
Man.
Man.
M
M
Man.
Man.
A2
A1
A04127
A1
A2
U3 U4
OTM600_C_M
E4
E3
OTM630-800_C_M
A1
A2
U3 U4
OTM400_C_M
E4E3
OTM315-400_C_M
A1
A2
E3 E4
OTM160-250_WC_M
E4
E3
OTM160-250_C_M
U3 U4
OTM200_C_M
I
A1
A2
E4
E3
OTM2000-2500_C_M
A1
A2
E3 E4
OTM1600_WC_M
E4
E3
OTM1000-1250_C_M
U3 U4
OTM800-1200_C_M
OTM600-800E_C_
OTM160-250_C_
OTM315_400_C_
M6
M5
OTM800-1200U_C_
OTM1000-2500_C_
M10
A1
A2
E4
E3
OTM3200-4000_C_M
OTM3200_C_
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