Specifications

External Accessories
Auxiliary Power Supply
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Auxiliary Power Supply
Test Procedures
1. Remove trip unit clear plastic cover.
2.To test trip unit, plug Auxiliary Power Module (APM) into
front of trip unit.
3. Hold down Power button on this Auxiliary Power Module
and the desired test buttons on the trip unit. Note that only
the Power button must be held down for the duration of
the test sequence. If Power button is released, test must
be restarted.
4. After trip unit test is compete, release the Power button on
the APM.
5. Reinstall trip unit clear plastic cover.
Auxiliary Power Supply
The auxiliary power supply is used for bench testing the
Electronic Trip Unit.The supply may also be used to power the
trip unit during the execution of a “go/no-go” type test before
bringing the SB breaker on-line (see Monitoring the Trip Unit in
the Operating Instructions section).The auxiliary power supply
operates from the 120V AC source power.
WARNING
Trip Free Condition. Misoperation or
mechanism damage can occur if
incorrectly tested.
Release power button on APM before
closing breaker mechanism