Vacuum Encapsulated D Series, Panel Mount. 50W switching 7kVdc or ac peak switching voltage 10kV contact isolation 17kV contact to coil isolation Insulation resistance 10 10 ohms Contact resistance 250 m max Operate time (inc. bounce) 3ms Release time (inc. bounce) 2ms Panel mount with 0.25in. male terminals Suitable for high voltage test equipment and power supplies