Crydom HD4825, Solid State Relay, Single Phase 3-32VDC Control, 25A, 48-530VAC Load Features Ratings from 25A to 125 Amp @ 48-480VAC SCR output for heavy industrial loads Zero voltage or instantaneous turn-on outputs UL/CSA/VDE Approved, CE Compliant to EN60950-1 Improved SEMS screw and washer Redesigned housing with anti-rotation barriers AC & DC control types Direct bond copper substrate EMC compliant to Level 3 Direct power lead frame Epoxy free design Spec Crydom Part Number HD4825 Switching Type Zero Crossing ROHS Yes (Details) Control Voltage 3-32VDC Load Current 25 Amp (rms) Surge Capability 239 Amp (peak) Special Feature LED Status Indicator Mounting Style Panel Mount Load Voltage Range 48-530VAC EMC Compliant Level 3 Termination Style Screw Unit Weight 75g Factory Pack Qty 20 Datasheet Product Datasheet 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