Image is Representational - See Manufacturer Specs | Solid State Relay - Proportional Controller - 8-32 VDC Control Voltage Range - 0-10 VDC Analog Control Signal - 50 A Maximum Load Current - 180-280 VAC Operating Voltage Range - Panel Mount. The MCPC2450C is solid state relay with 0-100% control range. For use with resistive loads only. Dimensions of this relay are: 1.78 (45.3mm) x 2.31 (58.8mm) x 0.86 (21.8mm).