Packard PF42440 Foot Mount Control Transformer 120/208/240V to 24V 40VA

The Packard PF42440 is a UL Listed Class II foot mount transformer designed for reliable power conversion in HVAC systems, control circuits, and low voltage applications. This versatile transformer accepts multiple primary voltages (120/208/240V) and delivers a consistent 24V secondary output with a 40VA power rating.

Key Features:

• Universal multi-tap primary: 120/208/240 volts AC
• Secondary output: 24 volts AC
• Power rating: 40VA
• Foot mount design with 3-1/8" center-to-center mounting holes
• Wire lead connections with 8" leads for easy installation
• Class II transformer - inherently limited for safety
• UL Listed for residential and commercial applications
• Designed for over 60,000 hours continuous operation
• Compact dimensions: 2.25" high x 2.25" wide

This heavy-duty transformer is engineered to replace models with equal or lower VA ratings, making it an excellent universal replacement option. It cross-references numerous OEM part numbers including Mars 50203, White-Rodgers 90-T40F3, Honeywell AT140A1018, Armstrong TWF424-40, and many others. Ideal for use in furnaces, air handlers, thermostats, and other HVAC equipment requiring 24V control voltage.