Item Type: AC to AC Solid State Relay Material: ABS, aluminum alloy Input Voltage: 70-280VAC Output Voltage: 24-480VAC Current: 25A Use: Used in computer peripheral interface equipment, thermostat system, temperature regulation, electric furnace heating control, motor control, CNC machinery, remote control system1[HEAT SINK] The heat dissipation base plate of the solid state relay is specially plated, with a fine glossy anti oxidation, corrosion resistance and good heat dissipation. 2[AC TO AC RELAY] The solid state relay has an input voltage of 70?280VAC and an output voltage of 24?480VAC for stable and durable performance. 3[ABS HOUSING] The solid state relay has a flame retardant housing with good insulation performance, safe and durable. 4[ALUMINUM ALLOY] Solid state relay wiring contacts are made of aluminum alloy, rust proof and durable, and safe to operate. 5[MAIN APPLICATION] Relays can be used in computer peripheral interface devices, thermostat systems, temperature regulation, electric furnace heating control, motor control, CNC machinery, remote control systems.