Description
The Trane SWT4036 is a genuine OEM single pole, single throw (SPST) door switch designed to detect and control access to service panels, blower compartments, or electrical enclosures in HVAC equipment. This compact safety switch is rated for up to 16 amps of current, making it ideal for interrupting circuits when a panel is opened — helping to protect technicians and equipment during maintenance or operation.
Key Features
- OEM Quality: Built to meet Trane’s original manufacturer standards for proper fit, reliability, and long life in HVAC systems.
- SPST 16 A Rating: Designed for single pole, single throw switching applications up to 16 amps — perfect for safety interlocks and fan panel circuits.
- Compact & Durable: Small footprint allows easy installation inside control compartments without taking up valuable space.
- Simple Operation: Opens or closes a circuit based on door/panel position to help prevent electrical circuits from energizing during service.







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