24V 40VA Thermostat and Doorbell Transformer (24V 40VA)

The 24V 40VA Thermostat and Doorbell Transformer (Model 4011MT) is a reliable Class 2 transformer designed to power your home's thermostat and doorbell systems with ease. Operating at 120V primary input and delivering a steady 24V, 40VA secondary output at 50/60 Hz, this transformer ensures consistent and dependable performance for your low-voltage applications. Its compact dimensions of 3.1" D x 2.3" W x 4.8" H make it an ideal fit for tight spaces, while the surface mount design simplifies installation on walls or junction boxes. The corded electric power source provides stable, uninterrupted operation, and the clearly labeled terminals — including COM, BLK, and WHT — make wiring straightforward. Built with Class B insulation, this transformer is engineered for durability and safe operation. Must be installed in a metal box only. Weighing just 1.68 lbs, it is easy to handle during installation. Whether you are replacing an old transformer or setting up a new system, this unit delivers the reliable low-voltage power your thermostat and doorbell need.

• 24V 40VA OUTPUT: Delivers a reliable 24-volt, 40VA secondary output, making it ideal for powering thermostats and doorbell systems.
• CLASS 2 TRANSFORMER: Rated as a Class 2 transformer with Class B insulation, ensuring safe and stable low-voltage operation for HVAC and doorbell applications.
• SURFACE MOUNT DESIGN: Features a sturdy metal mounting bracket for easy surface installation on walls, junction boxes, or other flat surfaces.
• COMPACT DIMENSIONS: Measures 3.1" deep x 2.3" wide x 4.8" tall, fitting conveniently in tight spaces without compromising performance.
• SPECIFICATIONS: Primary input of 120V at 50/60 Hz with clearly color-coded lead wires (BLK, WHT, COM) for straightforward and accurate wiring connections.