Electrical Contact US VFD’sVFD is shorted for Variable Frequency Drive (also known as AC Drives and Inverters). Electrical PanelsElectrical control panel is a metal box which contains important electrical devices that control and monitor a mechanical process electrically. Switch gear componentsSwitchgear includes switching & protecting devices like fuses, switches, relays, circuit breakers, etc. ACBAir Circuit Breaker (ACB) is an electrical device used to provide Overcurrent and short-circuit protection for electric circuits MCCBMCCB is another type of electrical protection device which is used when load current exceeds the limit of a miniature circuit breaker. MCB’SA Miniature Circuit Breaker (MCB) is an automatically operated electrical switch used to protect low voltage electrical circuits from damage.