Crydom-25A-3-Phase-Solid-State-Relays-with-Heatsink-SIP-Crydom-PF240D25-p-A-25A-PCB-mounting-solid-state-relay-with-a-switching-voltage-range-of-12-to-280V-AC-&-a-control-voltage-range-of-3-to-15V-DC-The-relay-has-an-integrated-heatsink-&-an-SCR-output-for-use-with-heavy-industrial-loads-p-Crydom-PF240D25-Solid-State-Relay-Module-25A-3-15VDC