Accessories
4.5 Manual operators
3VA molded case circuit breakers with IEC certificate
Manual, 03/2019, A5E03603177010-03
315
Testing the tripping mechanism
The but
ton <PUSH TO TRIP> can be pressed t
o
per
form a function tes
t on the tripping
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 limit stop (RESET
position, at or just past OFF (O)).
The front mounted rotary operator remains in the OFF (O) position and the molded case
circuit breaker can now be closed again.
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