Description
The Trane RLY3372 is a Single-Pole Single-Throw (SPST) start relay rated at 50 amps, engineered as a genuine OEM replacement component for Trane HVAC systems. Designed to provide dependable motor-starting control, this relay ensures proper sequencing and protection for compressor and motor circuits in residential and light commercial applications.
Key Features
- SPST (Single-Pole Single-Throw) configuration for straightforward circuit control
- 50-amp rating for robust motor-starting performance
- Genuine Trane OEM replacement part (SKU: RLY3372)
- Engineered for reliable start sequencing in Trane HVAC equipment
- Direct drop-in replacement to minimize installation time and complexity
Application
The RLY3372 start relay is designed for use in Trane heating, cooling, and heat pump systems where precise motor-start relay control is required. Its 50A rating makes it well-suited for compressor and blower motor start circuits, helping to protect equipment and extend system service life.
Why Choose a Genuine Trane Relay?
- Ensures compatibility with Trane system controls and wiring
- Maintains OEM performance standards and equipment warranties
- Reduces the risk of nuisance trips or premature component failure
- Simplifies troubleshooting with a verified fit-form-function replacement







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