Emerson Climate-White Rodgers 90-340 Power Relay 2PDT 24V

The Emerson Climate-White Rodgers 90-340 DPDT Switching Fan Relay coil is an electrical control element that is used in HVAC systems to control the operation of fan motors. It operates on low-voltage control signals to switch two independent circuits to allow fine control of the coordination of thermostats, control boards, and fan motors. The standard control circuits are compatible with the 24 VAC coil. This relay is installed in the system as a whole to enhance sequencing, guard primary controls against electrical load, and aid in the smooth activation and shutdown of the fans.