The Trane HCCY2C300VQ394 Microswitch Assembly (also listed as SFSWT03535) is a genuine OEM auxiliary microswitch designed to mount on 20 to 60 Amp contactors in Trane HVAC systems. This switch provides status signaling or interlocking capability, allowing for enhanced control and safety feedback in the electrical circuit. Built to meet Trane's high standards, this compact and rugged microswitch ensures reliable contactor monitoring. Key Features Auxiliary microswitch for use with 20?60 Amp contactors Provides electrical feedback or interlock signal OEM design for accurate fit and dependable operation Durable construction for long service life in HVAC environments Easy clip-on or screw-on installation to contactor body Specifications Part Numbers: HCCY2C300VQ394, SFSWT03535 Function: Auxiliary microswitch for contactor feedback Contact Rating: Matches 20?60A contactor specs Application: Status signaling / interlock in control panels Mounting: Snap-on or screw-on to Trane contactors Brand: Trane Compatible Models Fits Trane HVAC systems that use 20A to 60A contactors, including air handlers, rooftop units, and packaged systems. Why Choose This Item The Trane HCCY2C300VQ394 Microswitch Assembly ensures precise and safe monitoring of your contactor?s status, providing a critical function in HVAC control and safety systems. As a genuine OEM part, it delivers perfect compatibility, long-term reliability, and confidence in electrical operation?ideal for technicians and maintenance professionals servicing Trane systems.