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Product description

The Mars 50321 is a high-capacity 75VA control transformer designed for reliable power distribution in demanding HVAC and refrigeration systems. Engineered to handle multi-voltage inputs of 120V, 208V, 240V, and 480V, this foot-mounted unit steps down power to a stable 24V secondary output, which is essential for powering thermostats, relays, and other control circuit components. Its versatile design makes it an ideal replacement for a wide range of OEM transformers used in residential and commercial furnaces, air handlers, and boilers. The robust construction ensures long-term durability and consistent performance even in environments with fluctuating input power. This NEMA Class 2 transformer features color-coded leads for straightforward installation and is built to rigorous industry standards to provide a safe and efficient power source for your critical equipment.

Product highlights

  • Multi-voltage primary input (120/208/240/480V)
  • Standard 24V secondary output voltage
  • High-capacity 75VA rating for heavy control loads
  • Secure foot-mount design for control panel installation
  • Color-coded lead wires for easy wiring identification

Specs

  • Secondary Voltage: 24 V
  • Primary Voltage: 120 / 208 / 240 / 480 V
  • Rating: 75 VA
  • Mounting: Foot Mount
  • Manufacturer: Mars
  • Manufacturer Part Number: 50321

Direct replacement models

Direct replacement for Mars 50321, 42-21223-11, P041-7524

You will receive the same product or an OEM-Equivalent that meets the highest standard of the OEM with warranty that will be a direct-fit. Manufactured with rigorous industry standards and certified in the USA with superior quality to the OEM.

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