METAL OXIDE VARISTOR, 640V, 1240V, 23MM; METAL OXIDE VARISTOR, 640V, 1240V, 23MM DISC; Peak Surge Current @ 8/20µS:6.5kA; Varistor Case:23mm DISC; Clamping Voltage Vc Max:1.24kV; Peak Energy (10/1000uS):180J; Voltage Rating VDC:640V; Voltage Rating VAC:480V