HC-4=RELAY, VACUUM, SPDT Relay & Contactor Type: High Voltage Relay Current Type: DC Contact Arrangement: 1 Form C SPDT-CO Contact Current Rating: 15 A Coil Voltage Rating: 26.5 VDC High Voltage Relay DC 1 Form C SPDT-CO 15 A | Electromechanical Relay | Part Number: HC-4 | Internal Number: 4-1618274-9 | TE Connectivity | Kilovac