Description
The Trane RLY03979 is an OEM-grade 3-Pole Double-Throw (3PDT) relay engineered for dependable switching performance in Trane HVAC systems and commercial control circuits. Rated at 10 amps and 120 volts AC with dual-frequency compatibility (50/60 Hz), this relay is built to handle the demands of modern heating, cooling, and ventilation control applications.
As a direct Trane replacement part, the RLY03979 ensures proper fit and function without the guesswork of aftermarket substitutes. Whether you’re servicing a rooftop unit, air handler, or commercial packaged system, this relay delivers the switching reliability your equipment demands.
Key Features
- OEM Trane replacement relay — SKU RLY03979
- 3PDT (3-Pole Double-Throw) configuration for versatile circuit switching
- 10 Amp current rating for robust load handling
- 120V AC coil voltage for standard control circuit compatibility
- Dual-frequency rated: 50 Hz and 60 Hz
- Designed for use in Trane HVAC systems and compatible control panels
Specifications
- Brand: Trane
- Part Number: RLY03979
- Relay Type: 3PDT (3-Pole Double-Throw)
- Current Rating: 10 Amps
- Coil Voltage: 120V AC
- Frequency: 50/60 Hz
Application
Ideal for HVAC technicians and contractors performing maintenance or repair on Trane commercial and residential equipment. Using genuine Trane parts like the RLY03979 helps maintain system warranty compliance and ensures long-term operational reliability.
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