Trane SFSWT03533 SPDT Auxiliary Switch

The Trane SFSWT03533 is a Compact Auxiliary Switch, which is 3” long and is used on all Trane HVAC applications. This SPDT switch has one normally open contact and one normally closed contact. It is like an electrical switch that opens or closes the electricity based on certain parameters in your Trane system. The switch opens and closes the circuit by moving between its two positions, normally closed and normally open contact. This switching functionality enables it to perform switching of fans or relays based on temperature or pressure variations. The device is easy to install due to a 1/4” quick-connect terminal, and UL listed for safe operation in the range of 20V to 60V.