Accessories
4.5 Manual operators
3VA molded case circuit breakers with IEC certificate
Manual, 03/2019, A5E03603177010-03
319
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 door mounted rotary operator to the OFF (O) position.
2. Open the panel door.
3. Use a tool to turn the shaft to the ON (I) position in order to close the molded case circuit
breaker.
Alternatively, the supplementary handle for the door mounted rotary operator can also be
used to close the breaker.
4. Press the button <PUSH TO TRIP> with a tool such as a screwdriver.
The door mounted rotary operator moves from position ON (I) to position TRIP. The
molded case circuit breaker is now in the tripped state.
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