The D2475T-10 is a solid-state relay series 1 with SCR output for heavy industrial loads. Input control voltage range is 3-32 VDC. Operating voltage is 24-280 VAC and the max load current is 50 A. Series 1 relay has redesigned housing with anti-rotation barriers. I/O isolation voltage is 4000 Vrms. Switching type: instantaneous turn-on. Mounting type: panel mount. Trigger circuit: phototransistor.