Image is Representational - See Manufacturer Specs | SIP Solid State Relay - Control Voltage 4-10 VDC - Operating Voltage 24-280 VAC - Load Current 12 A - PCB Mount The LS240D12 is a SSR LS Series with SCR output for heavy industrial loads. Input control voltage range is 4-10 VDC. Typical input current is 15 mADC. Output operating voltage is 24-280 VAC and max load current is 12 A. Switching type: zero voltage turn-on. I/O dielectric strenght is 2500 Vrms.