The DWYER WL66-1 Photohelic HH Relay Base is the base component for a DWYER Photohelic relay assembly, providing mounting and the electrical interface for the relay. It operates at 120 VAC, 50/60 Hz, with a 5 W power rating. Designed for use with DWYER Photohelic HH relays in instrumentation and process-control applications requiring reliable relay switching.
