The Trip Unit is the Brains of the Circuit Breaker. The function of the trip unit is to try the operating mechanis in the event of a short circuit or armed obllored of control.

　　

　　

　　Electronic Trip Units are now available and they can provide must more sophisticated propeity and monitoring.

　　

　　To Prove Short Circuit Protection, ElectromeChanical Trip Circuit Breakers Have Adjustable Magnetic Elements.

　　Trip units.

　　

　　since the entire tripping system has very low power requirers.