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External Accessories
Auxiliary Power Supply
Before installing the d isplay module, the breaker shoul d be
placed in the open position.
The d i splay module is a plu g-in unit. To install the module:
1 .
Remove the trip un it's transparent cover.
Remove cover from the d is play module receptacle.
2.
3 .
I nsert t h e module into t h e receptacle.
4.
Replace and seal the transparent cove r.
Power
Auxiliary
Supply
Auxiliary Power Supply
The auxiliary power supply is a plug-in supply for bench
test1ng the Electronic Trip Unit. The supply may also be used
to power the trip u n it during the execution of a "go/no-go"
type test before bringing the SB breaker on-line (see
Mon 1tonng the Trip Unit in the O perating I nstructions
sect1on). The auxi liary power supply operates from 1 20V ac
source power.
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