Accessories
4.5 Manual operators
3VA molded case circuit breakers with UL and IEC certification
Manual, 01/2019, L1V30435333-01
267
Testing the tripping mechanism
Testing the tripping mechanism
The button
<PU
SH TO TRI
P> can b
e press
ed to p
erfo
rm a func
tion test
on the tr
ippi
ng
mechanism.
1. Turn the front mounted rotary operator to position ON (I) in order to close the molded
case circuit breaker.
2. Press the button <PUSH TO TRIP> with a tool such as a screwdriver.
The front mounted rotary operator moves from position ON (I) to position TRIP. The
molded case circuit breaker is now in the tripped state.
3. Turn the front mounted rotary operator counter-clockwise to the RESET position (just
beyond OFF (O)).
The front mounted rotary operator remains in the OFF (O) position, the molded case
circuit breaker can now be closed again.
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