The AEM EV 400A high-voltage maintenance switch is hermetically sealed and gas filled, specified at 400A/1000VDC. It provides high dielectric performance and low contact resistance over life, intended as a robust drop-in replacement for similar battery disconnect switches. Optional auxiliary contacts and a robust hermetic seal make it suitable for high-voltage maintenance isolation in EV systems that require reliable disconnect hardware.
AEM EV 400A HV Maintenance Switch