All ProductsCrydomElectromechanicalRelaysAccessories Manufacturer Line CRYDOM CRYDOM Browse Categories Product Lines Electromechanical Relays Accessories Available Inventory Manufacturer Parts HS201 HEAT SINK MULTIPLE SERIES MFR. Name: Crydom HS501DR HEAT SINK MULTIPLE SERIES MFR. Name: Crydom KS101 COVER, ESD SERIES 1 MFR. Name: Crydom