Motor Operating Mechanism By Hitech Switchgear (India)

The motor operating mechanism is provided with double stage reduction gear i.e. spur gears at first stage and worm gear at second stage to achieve smooth operation and self locking of the mechanism.

The gear can be operated by three phase AC Induction motors or Permanent Magnet DC motors as per the customera s requirement. Suitable thermal overload relays are provided to protect the motor from overload.

The control circuits may be DC or AC as per the Customera s requirement.

Auxiliary contacts for position indication and interlocking with other equipments are housed in the operating mechanism. If required make before break (MBB) contacts can also be fitted with the auxiliary contact as per customera s requirement.

In case of individual pole operated disconnectors, the operating mechanism are provided with one master and two followers. All controls shall be from the master. Pole discrepancy relays are provided in the master to detect any pole discrepancy.