Reference: SSR-480-50A-DC1
Brand: Watlow Electric Mfg.
50A SPST N/O 480Vac Power 3~32Vdc Control
Zero Cross Fire Back to Back SCR Design Hockey Puck Style Maximum I²T Fusing Is 1620A²Seconds Line Voltage 24~530Vac Ambient Operating Temperature -40°F ~ 176°F Thermal Resistance 0.63°F C/W Internal Voltage Snubber Includes Thermal Foil, Washers, And Screws For Mounting To A Heat Sink Equal to Crydom D4850DEH and Potter & Brumfield SSRT-480D50