Product Overview - ABB OTM C Series Installation And Operating Instructions Manual

2. Product overview

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)
1
Change-over switch
2
Motor operator
3 Switch panel, the operating mechanism
4 Handle for manual operation, double grip handle in sizes OTM1000-2500_C
5 Motor/Manual selection
6 Terminals for motor operator voltage supply
7 Terminals for push-buttons
8 Fuse (F1) of motor operator
9 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
Installation and operating instructions, OTM_C
1SCC303002M0204, rev. D
5