Crydom HS211A + D2440, Panel Mount Solid State Relay, 3-32VDC Control Input, LED Status, 24-280VAC Output, 25 Amps Features Ratings from 25A to 125 Amp @24-280 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 Panel Mount only Spec Part Number HS211A + D2440 Switching Type Zero Crossing ROHS/CE/UL Yes Control Voltage 3-32VDC Load Current 25 Amp (rms) @ 40 Deg C Surge Capability 597 Amp (peak) Special Feature N/A Mounting Style Panel Mount Load Voltage Range 24-280VAC Max Non Repetitive Peak Voltage 600 Vp Termination Style Screw Terminals Dimensions L:81mm x W:45mm x D:73.4mm Unit Weight 296g Factory Pack Qty 20 Datasheet HS211A Series 1 AC 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