White-Rodgers 90-T40M3

White-Rodgers 90-T40M3 is a reliable 40 VA control transformer designed for HVAC systems. It delivers steady power to thermostats, relays, and control boards with efficiency and durability. Operating at 50/60 Hz and offering a versatile primary voltage 120/208/240V with a 24V secondary, this unit accommodates a wide range of installations. The Multi-mount design simplifies mounting in tight spaces and supports various control panel configurations. It also replaces older transformer models, making it a straightforward swap for older systems, reducing downtime and compatibility concerns. Designed for quiet operation and rugged service life in both residential and commercial HVAC applications, this transformer pairs well with modern control boards and relays. Perfect for upfit projects.

Key features include:

• 40 VA power handling for reliable control circuits
• 50/60 Hz compatibility to match HVAC system frequency
• Primary voltages: 120/208/240V for flexible wiring options
• Secondary voltage: 24V for standard thermostat circuits
• Multi-mount design for easy installation in various panels