Crydom HS501DR + RPC2440, Single Phase Proportional Phase Controller with Heatsink, for 500K - 1M POT input, 90-280VAC, 10 Amps Features Potentiometer Proportional Phase Control Input Ratings from 25A to 40 Amp @ 180-280 VAC SCR output for heavy industrial loads Zero voltage or instantaneous turn-on outputs UL/CE/ROHS Compliant Direct bond copper substrate Direct power lead frame Epoxy free design Spec Part Number HS501DR + RPC2440 Switching Type Phase Angle (Random Crossing) ROHS/CE/UL Yes Control Voltage 10M Ohm Potnentiometer Proportional Input Load Current 10 Amp (rms) @ 40 Deg C Surge Capability 597 Amp (peak) Special Feature Proportional Controller + SSR Mounting Style Din Rail or Panel Mount Load Voltage Range 180-280VAC Max Non Repetitive Peak Voltage 600 Vp Termination Style Screw Terminals Dimensions L:79.9mm x W:45mm x D:40.3mm Unit Weight 296g Factory Pack Qty 20 Datasheet HS501DR RPC2440 Notifications Please note Changes from Gen 3 to Gen 4 (current) package design here App Notes Why Use SSR's? The inside story Selecting a SSR DC Output SSR's Selecting a Suitable Heatsink Use of Thermal Interface Material How to Verify the Proper Heatsink Effect of Forced Air Cooling Fuse Protection of SSR's Overvoltage Protection "P" Option MOV SSR Reliability Whitepaper 3 Phase Motors and Heating Applications 3 Phase Motor Reversing How to test a SSR SSR Precautions SSR Life Expectancy MTBF ROHS & Reach Statement Heatsink SSR and Heatsink Assemblies