Intelligent air circuit breaker (ACB) required accessories are bakelite parts, operating mechanism, controller, moving and static contact components, motor, shunt release, closing magnet, secondary circuit terminals, etc.

The staff assemble these parts into a intelligent air circuit breaker, whichh is the most complex of all circuit breakers.

intelligent air circuit breaker

The next step is to use the ACB comprehensive characteristics test bench to test whether qualified.

After the inspection is completed, the drawer type ACB also needs to load the boady into the drawer seat to complete the last assembly step.