Carrier T111603027 Transformer 322057-301 This OEM replacement part monitors

This OEM replacement part monitors evaporator coil temperatures

Designed for use in McQuay rooftop units and commercial air handlers

but always consult the National Electrical Code (NEC) and the specific unit data ship for your installation

Optimized Compatibility: Verified for 9/16" to 1" diameters

Carrier T111603027 Transformer 322057-301 This OEM replacement part monitorsThe Carrier T111603027 Transformer is a high capacity, multi tap power solution designed for heavy duty HVACR applications. This 75VA control transformer features a versatile primary winding capable of handling 120V, 277V, 380V, and 575V inputs, providing a stable 24V secondary output for control circuits. Engineered for consistency in demanding field conditions, it is a critical component for powering contactors, relays, and solid state boards in