Special Order: AP5AB57=RELAY, VACUUM, SPST-NO Contact Voltage Rating: .27 VDC Contact Arrangement: 1 Form A, SPST-NO Coil Termination Connection Type: Stud Terminals High Voltage Connection (Power): Terminals Power Switching: Yes 0.27 VDC 1 Form A, SPST-NO Stud Terminals | High Voltage Relay | Part Number: AP5AB57 | Internal Number: 2-1618222-0 | TE Connectivity