protecting the compressor from the risks of both over-lubrication and oil starvation

Engineering a stable 24V secondary output at 2

suitable for diverse mechanical room conditions

check for high static pressure or undersized ductwork

Trane TRR0579 Transformer Refrigerant protecting the compressor from theThe Trane TRR0579 is a heavy duty 87VA control power transformer engineered for high voltage industrial and commercial HVAC applications. This specific multi tap primary configuration allows for seamless 460 600V to 24V conversion, making it a critical component for powering 24VAC control circuits, thermostats, and contactors in large tonnage Trane rooftop units and packaged systems. With an 87VA rating, this step down transformer provides ample