Solid State Relays: Type - Solid State Relay; Voltage Rating - Control - 140V AC; Voltage Rating - Load - 280V AC; Current Rating - Load - 55A; Switching Function - Random; Contact Form - SPST-NO; Mounting - DIN Rail Mount; Terminals - Screw; Switching Method - SCR; Voltage Range - Control - 90-140V AC; Voltage Range - Load - 24-280V AC; Current Range - Load - 0.25-55A; Transient Overvoltage Max. - 600V; Dielectric Strength - 4000V AC; Temperature Rating - -40 to 80 deg C -40 to 176 deg F; Dimensions - nominal - 4.30x1.75x1.00 in 109.0x44.5x25.4mm; Additional Information - LED Status Indicator, SSR with Integrated Heat Sink; Manufacturer Series - CMR24 Series