G41A Single Pole Single Throw HV Relays Gigavac G41A Single Pole Single Throw HV Relays feature an RF-efficient design that offers high power handling in a small package. These relays are designed with tungsten contacts that improve hot load switching and can be mounted in any position on any axis. The G41A relays meet or exceed MIL-R-83725 standards. Gigavac G41A Single Pole Single Throw HV Relays offer a 5kV peak maximum operating voltage rating, up to 30A continuous current, and a -55°C to +125°C operating temperature range.