FK10-II-44 Auxiliary Contact 4NO4NC For Circuit Breaker [tab] [tab_item title=”Specification “] FK10-II-44 Auxiliary Contact 4NO4NC For Circuit Breaker Item No: FK10-II-44 Main application: FK10 series applies to the HV operating mechanisms switching on, switching off, interlock, and controlling of signal circuit. It also applies to HV switchgears, and can be used as transfer switch or cubicle… Continue reading FK10-II-44 Auxiliary Contact 4NO4NC For Circuit Breaker