Image is Representational - See Manufacturer Specs | Solid State Relay - 3-15 VDC Control Voltage Range - 18 A Maximum Load Current - 24-280 VAC Operating Voltage Range - Zero Voltage Turn-On - Panel Mount. The EZ240D18 solid state relay has compact design for low-profile applications and SCR output for heavy industrial loads. Dimensions of this relay are: 2.63 (66.80mm) x 1.50 (38.10mm) x 0.55 (13.97mm).