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Complete Robertshaw 620-403: Class 2 Transformer, 120v Ac Primary To 24v Ac Secondary (40 Va), Universal Mount In Multiple Colors [PILKvot3]

$21.99 $70.99 -69%

Robertshaw 620-403: Versatile Transformer SolutionIntroducing the Robertshaw 620-403 Class 2 Transformer, a versatile and reliable power conversion solution designed for a wide range of applications. This high-quality transformer offers a convenient

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Complete Robertshaw 620-403: Class 2 Transformer, 120v Ac Primary To 24v Ac Secondary (40 Va), Universal Mount In Multiple Colors [PILKvot3]

Robertshaw 620-403: Versatile Transformer Solution

Introducing the Robertshaw 620-403 Class 2 Transformer, a versatile and reliable power conversion solution designed for a wide range of applications. This high-quality transformer offers a convenient universal mount, providing flexibility in installation. With the ability to transform 120V AC primary voltage into a stable 24V AC secondary output, it is the perfect choice for various control systems, from HVAC and refrigeration to digital controllers and motor actuators. The 40 VA power rating ensures sufficient capacity for your needs.
  • Universal mounting options for easy installation.
  • UL approved for safety and reliability.
  • Compliant with NEMA standards for quality assurance.

Robust Features and Specifications

The Robertshaw 620-403 features include UL approval and compliance with applicable NEMA standards, ensuring its high quality and safety. The thermal fuse protection adds an extra layer of safety, guarding against overheating. The transformer has a footprint of just 3.25" x 2.75" x 2.44", making it space-efficient and suitable for installations with limited space.
  • UL approved 1411 for maximum safety.
  • Meets applicable NEMA standards for industry compliance.
  • Thermal fuse protection for added safety.

Practical Applications and Advantages

This robust transformer is ideal for use in HVAC and refrigeration control systems, digital controllers, motor actuators, staging controls, ignition systems, and gas controls. Its open design allows for customization with additional protective devices, such as circuit breakers or fuses, for enhanced safety and performance. With its 8" long wire leads, the transformer offers easy connection to your system.
  • Open transformer design for easy customization.
  • Suitable for a variety of control systems and applications.
  • 40 VA power rating for reliable performance.

What Our Customers Say

February 3, 2026

Absolutely no complaints!

This product is a superb choice for its reliability and modern design.

- Cristian O..

February 3, 2026

Absolutely no complaints!

This product is a superb choice for its durability and design.

- Samir L..

February 3, 2026

Absolutely no complaints!

This product is a superb performer. It's a game-changer.

- Veda H..

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