SSR, 660VAC, 50A, ZERO CROSS, IP20; Operating Voltage Min:48VAC; Operating Voltage Max:660VAC; Control Voltage DC Min:20VDC; Control Voltage DC Max:48VDC; Control Voltage AC Min:20VAC; Control Voltage AC Max:280VAC; Contact Configuration:(Not Applicable); Load Current:50A; Switching Mode:Zero Voltage Turn On; Relay Terminals:Screw; SVHC:No SVHC (19-Dec-2012); Control Voltage Range:20V AC to 280V AC, 20V DC to 48V DC