GE Industrial Solutions MicroVersaTrip Plus and MicroVersaTrip PM DS-206, DSL-206,DS-416, DSL-416, DS-420, DS-632 User Manual

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SECTION 3 BREAKER PREPARATION

Preparing a Westinghouse

DS type breaker (Fig. 1) for

conversion consists of the following steps:

1. Removing the existing Current Sensors,

Wiring Harness, Trip Actuator and Trip Unit.

2. Disassembly of the Westinghouse

Trip

Actuator.
3. Any cleaning, lubrication, or maintenance of

the breaker contacts and mechanism that are

required.

Following is a detailed description of the first two steps.

Trip Device Removal

Step 1.

Remove and retain the load side primary draw out fingers
(Fig. 2). Disconnect the existing CT wire harness from the
current sensors. Slide the CT’s off the primary load stabs
and discard. If a DS-206, or DSL-206 breaker is being
retrofitted, be sure to save the existing molded CT spacers
(Fig. 3).

Fig. 2. Removal of Draw Out Fingers, DS-206

Fig. 1. DS-416 Shown Prior to Conversion

Fig. 3. DS-206, DSL-206 Molded CT Spacers