Description
The Trane RLY1951 is a Single-Pole Double-Throw (SPDT) reversing relay designed for dependable switching control in HVAC systems. Featuring both normally open (NO) and normally closed (NC) contact configurations, this relay provides versatile circuit control for a wide range of heating, cooling, and air handling applications. The 24V coil voltage makes it compatible with standard low-voltage HVAC control circuits, ensuring seamless integration into existing system wiring.
Key Features
- SPDT (Single-Pole Double-Throw) switching configuration
- Normally Open (NO) and Normally Closed (NC) contact positions
- 24V coil voltage — compatible with standard low-voltage HVAC control systems
- Reversing relay design for precise directional control
- OEM Trane replacement part for accurate fit and performance
- Suitable for use in a variety of heating and cooling control circuits
Applications
- Trane heating and cooling equipment
- Low-voltage HVAC control panels
- Air handling unit control circuits
- Reversing and switching control applications
Why Choose the Trane RLY1951?
As a genuine Trane OEM component, the RLY1951 is engineered to meet the exact specifications of Trane equipment, ensuring reliable operation and long service life. Its SPDT design with both NO and NC contacts offers maximum flexibility for system integrators and HVAC technicians. The 24V coil rating aligns with the most common low-voltage control voltage used across residential and light commercial HVAC systems.







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