Single Coil Magnetic Actuator; Emergency Manual Trip (K69) Handle; Mechanical On/Off Position Indicator; Status Auxiliary Limit Switches - ABB OVR-15 Instruction, Operation And Maintenance Manual

5.1.4

Single Coil Magnetic Actuator

The recloser is operated by a single coil magnetic actuator. One actuator gang operates all the three
poles through a common shaft mechanism. The magnetic actuator is bi-stable and does not require any
continuous power to hold it in ON or OFF position.
Note
5.1.5

Emergency Manual Trip (k69) Handle

A yellow colored handle is provided on the side of HV cabinet housing for mechanically opening the
recloser during emergency situations. When viewed from front of the cabinet (with rating plate visible),
this handle can be seen on the right hand side of the housing. Recloser can be mechanically opened (not
manual close possible) by pulling this handle from ground level with a standard hook stick (not in ABB's
scope). Please refer the clause "mechanical opening" under the "operation" section for more information.
5.1.6

Mechanical ON/OFF position Indicator

The HV cabinet includes a mechanical ON/OFF position indicator which can be easily viewed from the
ground level. The general color convention is:
Default Color coding
Option available on request*
* Please check the order specific documents for confirming the color coding
5.1.7

Status Auxiliary limit switches

The status limit switches are mounted inside the HV cabinet housing. They are wired to provide the
recloser status information to the protection & control in LV control cabinet.
18 | P a g e
Disassembly of the magnetic actuator is not allowed. Lubrication or
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not required and will void the warranty.
Should an actuator fail to operate, contact ABB Customer Service Group.
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Red Green
Green Open
Instruction Manual for HV Unit of OVR-15, 27 & 38
maintenance is