Autonics SRH1-4240 Solid State Relay

Autonics SRH1-4240 is a single-phase solid state relay with an integrated heatsink, rated to switch up to 40 A of AC load current. It uses a top/bottom terminal layout and can be mounted on a DIN rail or a panel, making it suitable for compact control panels. The device is part of Autonics' SRH1 family and is a voltage-input model with a control range of 90-240 VAC, capable of switching AC loads up to 240 VAC. The integrated heatsink provides efficient heat dissipation for continuous operation in industrial environments. Voltage-input SRH1 models are offered in zero-cross turn-on or random turn-on configurations, allowing selection based on your switching needs and electrical noise considerations. With its solid-state switching design, the SRH1-4240 offers silent operation and long service life compared to mechanical relays, making it well-suited for applications such as heating control, motor and element switching, and other AC load switching tasks in automation and control panels.