Solid State Relays: Type - Solid State Relay; Voltage Rating - Control - 280V AC; Voltage Rating - Load - 660V AC; Current Rating - Load - 50A; Switching Function - Zero Cross; Contact Form - SPST-NO; Mounting - Panel Mount; Terminals - Screw; Switching Method - SCR; Voltage Range - Control - 90-280V AC; Voltage Range - Load - 48-660V AC; Current Range - Load - 0.15-50A; Transient Overvoltage Max. - 1200V; Dielectric Strength - 4000V AC; Temperature Rating - -40 to 80 deg C (-40 to 176 deg F); Dimensions - nominal - 2.30x1.80x1.30" (58.4x45.7x33.0mm); Additional Information - LED Status Indicator; Manufacturer Series - CW48 Series