The Autonics SRH2-4275 is a solid state relay with a control voltage of 90V to 240VAC, an output current of up to 75A, and an operating voltage of 24V to 240VAC. It is designed to operate three-phase power supplies, and comes in a DIN-style package. It is designed for motor, lighting, and heater control, and can provide precise switching and protection against overheating, overload, and short circuits.