Reference: SSR-240-40A-DC1
Brand: Watlow Electric Mfg.
40A SPST N/O 240Vac Power 3~32Vdc Control
Zero Cross Fire Back to Back SCR Design Hocky Puck Style Maximum I²T Fusing Is 1620A²Seconds Line Voltage 24~240Vac Ambient Operating Temperature -40°F ~ 176°F Thermal Resistance .63°F C/W Internal Voltage Snubber Includes Thermal Foil, Washers, And Screws For Mounting To A Heat Sink Equal to Crydom D2440DEH and Potter & Brumfield SSRT-240D40