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120V/240V 40VA Transformer


$44.30 $27.02
(You save $17.28)

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SKU:
SXT106
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120V/240V 40VA Transformer

A 40VA control transformer designed for HVAC systems with multi-tap primary voltage options of 120V, 208V, or 240V and a standard 24V secondary output. Used in furnace and air conditioning control circuits to power thermostats, gas valves, relays, and other low-voltage control components.

Key Features

  • Multi-tap primary voltage supports 120V, 208V, and 240V AC input configurations
  • 24V secondary output provides stable power for control circuits operating at 50/60 Hz
  • Foot mount and plate mount installation options with wiring diagram printed on label
  • Can replace any transformer of the same primary voltage and equal or lower VA ratings
  • Suitable for use in AC control systems including air conditioning circuits, thermostats, gas valves, and relays

Technical Specifications

SpecificationValue
Device TypeControl Transformer
Power40VA
Key FunctionConverts 120V/208V/240V primary to 24V secondary for HVAC control circuits
ApplicationHVAC furnaces, air conditioning systems, and industrial automation control circuits

Ideal For

  • Residential and commercial furnace control circuit installation
  • Air conditioning system thermostat and control wiring
  • Replacement of failed transformers in existing HVAC equipment
  • Multi-voltage HVAC applications requiring flexible primary voltage options

Need Help Finding the Right Part?

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