Supco 90290 N/O SPST Relay 24V

The Supco 90290 SPST SPNO Fan Relay is an electrical switching component used to operate fans in a blower or condenser in HVAC systems. It operates on a 24V control signal to open or close a single circuit to enable current to flow through to the fan motor when required. The relay is mounted in the control panel of the equipment and load terminals are connected according to wiring layout. In air handlers, furnaces, and condensing units, it allows the coordinated start of fans, assists in the proper sequence of airflow and allows maintain a steady operation of systems.