Description
The Emerson Climate-White Rodgers 90-T40F2 Limiting Transformer 208/240V-PRI 40VA is an electrical power conversion component used in furnaces, air handling units, and packaged heating equipment. It operates by stepping down a higher primary voltage to a stable 24V secondary output while limiting current to protect connected control circuits. In HVAC systems, such as furnace control panels and air handlers, it is positioned within the electrical enclosure and connected between the main power supply and low-voltage control circuit for proper integration. It ensures stable voltage regulation, supports secure operation of thermostats and relays.
