Solid State Relay SSR-40A

Solid State Relay Single Phase water resistant.  Input trigger 3 to 32 volts DC.  Switched load up to 40 amps at 24 to 380 volts AC.  Replaces a mechanical relay.  Low voltage wiring can control large voltage devices.  For high current loads bolt it to a heat-sink with heat sink compound.. 

Datasheet