Crydom A2450, Solid State Relay, Single Phase 90-280VAC Control, 50A, 24-280VAC Load Features • Ratings from 25A to 125 Amp @ 24-280 VAC • 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 A2450 Switching Type Zero Crossing ROHS Yes (Details) Control Voltage 90 - 280VAC Load Current (rms) 50 Amp Surge Capability (peak) 597 Amp Special Feature None Mounting Style Panel Mount Load Voltage Range 24-280VAC EMC Compliant Level 3 Termination Style Screw Unit Weight 75g Factory Pack Qty 20 Datasheet Product Datasheet 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