Description
Upgrade or repair the control circuitry of your HVAC equipment with the Trane SFSWT3534 Auxiliary Switch — a genuine OEM auxiliary control switch engineered to Trane’s strict quality standards. This compact SPDT (single pole, double throw) switch features both 1 normally open (NO) and 1 normally closed (NC) contact, making it ideal for controlling auxiliary functions within air conditioners, heat pumps, furnaces, and other Trane systems.
Key Features
- Reliable OEM Replacement: Designed by Trane as a direct replacement auxiliary switch for compatible HVAC control panels and contactors.
- 1NO/1NC Contact Configuration: Offers one normally open and one normally closed contact for versatile switching functions in control circuits.
- Rated for 20–60 A: Works with moderate electrical loads typically found in HVAC system auxiliary controls.
- Compact, Easy Install Design: Small form factor makes installation quick and straightforward, with 1/4″ quick connect terminals.
- Durable Construction: Built to withstand HVAC operating environments and help ensure long service life.






