G41C Single Pole Double Throw HV Relays Gigavac G41C Single Pole Double Throw HV Relays offer a 5kV peak operating voltage, 12A to 30A current range, and 1.2pF capacitance. These relays feature an RF-efficient design that provides high power handling in a small package. Featured tungsten contacts improve hot load switching, and the G41C series relays can be mounted in any position on any axis. Gigavac G41C Relays have and operate and release time of 10ms and an operating temperature range of -55°C to +125°C.