Product Overview - ABB OTM C Series Installation And Operating Instruction

M OTO R I Z E D C H A N G E - O V E R A N D T R A N S F E R S W I TC H E S , OT M _ C
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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.
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Figure 2.1 Motorized change-over switch (type OTM_C)
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Change-over switch
2 Motor operator
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Switch panel, the operating mechanism
4 Handle for manual operation, double grip handle in sizes OTM1000-3200_C
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Motor/Manual selection
6 Terminals for motor operator voltage supply
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Terminals for push-buttons
8 Fuse (F1) of motor operator
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Locking 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
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