Functional Devices
0 ratings
FUNCTIONAL DEVICES Rib TR20VA001 120 to 24 VAC, 20VA,30 to 140 F, Foot and Single Threaded HUB Mount, Transformer
genuine image
FUNCTIONAL DEVICES Rib TR20VA001 120 to 24 VAC, 20VA,30 to 140 F, Foot and Single Threaded HUB Mount, Transformer
FUNCTIONAL DEVICES Rib TR20VA001 120 to 24 VAC, 20VA,30 to 140 F, Foot and Single Threaded HUB Mount, Transformer
Item #: 19732277

FUNCTIONAL DEVICES Rib TR20VA001 120 to 24 VAC, 20VA,30 to 140 F, Foot and Single Threaded HUB Mount, Transformer

90% of respondents would recommend this to a friend

Item #: 19732277

SHP 69

Price Details

Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )

*All items will import from US

0 ratings Write a review
In stock
us Imported from USA store

QTY:

Order now and get it around Saturday, September 05
Secured transactionsecured transaction

Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.

Our Top Logistics Partners
  • fedex
  • dhl
U-Care Warranty:
None
Select a Plan
fast shipping

Fast
Shipping

free return

Free
Return*

secure packaging

Secure Packaging

100% original products

100% Original Products

pci-dss

PCI DSS Compliance

iso certified

ISO 27001 Certified

paypal payment
visa payment
mastercard payment
Note: Step 1 Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.

What Stands Out

Versatile Voltage Range
Operates efficiently from 120 to 24 VAC, allowing for flexible use in various applications, ensuring compatibility with multiple systems.
Temperature Resilience
Functions effectively between 30 to 140°F, making it suitable for diverse environments and ensuring reliable power delivery across temperature variations.
HUB Mount Design
Features a sturdy foot and single threaded HUB mount for secure installation, optimizing space and providing ease of setup for technicians.

Product Details

Shop the best Class 2 UL-listed Transformer 20VA at Ubuy, a Saint Helena. Get the top-quality Functional Devices (RIB) Transformer with single hub. Ships to US/Can.
  • TR20VA001 model transformer by Functional Devices (RIB)
  • Delivers 20VA power output
  • Input: 120V, Output: 24V with single hub
  • Class 2 UL Listed, suitable for use in US/Can.
  • Includes inherent limitations for enhanced safety
  • Designed for a variety of applications requiring low voltage power

Who Should Buy?

Suitable For
  • HVAC Technicians

    Ideal for HVAC professionals needing reliable transformers for low voltage applications in heating and cooling systems.

  • Homeowners

    Perfect for DIY homeowners looking to integrate low voltage heating or cooling controls into their existing systems.

  • Small Business Owners

    Useful for small businesses requiring low voltage power solutions for systems like automated HVAC or lighting controls.

Not Suitable For
  • Large Facilities

    Not suitable for large commercial facilities needing higher power transformers for extensive electrical systems.

Product Description

FUNCTIONAL DEVICES Rib TR20VA001 120 to 24 VAC, 20VA,30 to 140 F, Foot and Single Threaded HUB Mount, Transformer

About This Item

Introducing the Transformer 20VA, the perfect solution for all your electrical power needs. This high-quality transformer, manufactured by Functional Devices (RIB), comes with a 120-24V conversion capability, making it ideal for a wide range of electrical applications. With its single hub design and Class 2 classification, this transformer is not only efficient but also safe to use. It is UL listed, ensuring that it meets the highest standards of quality and safety in the industry.

Plus, it is suitable for both US and Canadian markets. This Transformer 20VA is designed with an inherent limiter, which helps protect your electrical equipment from voltage spikes and fluctuations. This feature makes it an ideal choice for sensitive devices or appliances that require stable power supply. When it comes to purchasing the best transformer brand, look no further. Ubuy is your one-stop-shop for all your electrical needs.

We pride ourselves on offering top-rated products at affordable prices, and this Transformer 20VA is no exception. Don't miss out on the opportunity to enhance your electrical system with the Transformer 20VA. Order yours today and experience the difference it can make in your daily operations. Trust Ubuy, your trusted online retailer for all your transformer needs.

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What is a Transformer 20VA, 120-24V, single hub, Class 2, UL?

    Answer: A Transformer 20VA, 120-24V, single hub, Class 2, UL is a low-voltage transformer designed to convert standard mains voltage (120V) into a lower voltage (24V) suitable for powering various electrical devices, including lighting systems, doorbells, and low-voltage outdoor equipment. Class 2 denotes a safety classification that limits output power and ensures the transformer can be used in a range of applications safely, preventing the risk of electric shock. This transformer is ideal for applications that require reliable and consistent low-voltage power.
  • Question: What are common applications for a 20VA transformer?

    Answer: Common applications for a 20VA transformer include powering low-voltage outdoor lighting, landscape lighting, electric doorbells, and low-voltage irrigation systems. Due to its capability of supplying 20VA of power, it is suitable for multiple devices or lights that operate at 24 volts. This makes it perfect for residential or commercial settings where consistent low-voltage power is needed for safety and efficiency.
  • Question: Is the Transformer 20VA suitable for outdoor use?

    Answer: Yes, the Transformer 20VA, 120-24V, single hub, Class 2, UL is suitable for outdoor use if the installation meets safety and waterproof standards. It's designed to handle various weather conditions when placed inside a weatherproof enclosure or housing. It's commonly used for outdoor lighting systems, allowing homeowners to illuminate gardens, pathways, or patios safely and effectively with low-voltage power.
  • Question: What is the importance of UL certification for this transformer?

    Answer: UL certification indicates that the Transformer 20VA meets specific safety standards enforced by Underwriters Laboratories. This certification ensures that the product has undergone rigorous testing for performance and safety, giving users peace of mind regarding its quality and reliability. Using a UL-certified transformer reduces the risk of electrical fires and other hazards, making it an essential feature for both residential and commercial installations.
  • Question: Can I use this transformer for multiple devices?

    Answer: Yes, you can use the Transformer 20VA to power multiple low-voltage devices, as long as the combined wattage does not exceed 20VA. For example, if you have several LED lights that collectively consume less than 20VA, you can connect them all to this transformer. It’s ideal for setups in landscaping where multiple garden lights need to operate efficiently from a single power source.
  • Question: What is the typical installation process for this transformer?

    Answer: The installation process for the Transformer 20VA involves mounting the transformer in a dry, safe location, connecting the input power (120V) through a circuit breaker, and then running low-voltage wire to the desired devices (24V). It's essential to follow local electrical codes and guidelines during installation to ensure safety and functionality. Often, a qualified electrician can ensure that the installation is performed correctly for optimal performance.
  • Question: What do Class 2 designation and low-voltage mean?

    Answer: Class 2 designation indicates that the transformer is designed for low-voltage applications and has limitations on the maximum output voltage and current. This is critical for applications like landscape lighting or doorbells, as it reduces the risk of electrical shock when handling the wiring. Low-voltage systems typically operate at 24V, allowing for safer and more efficient energy consumption in home or garden lighting solutions.
  • Question: How does the voltage conversion work in this transformer?

    Answer: The Transformer 20VA works by converting the incoming high voltage (120V AC) from the electrical grid down to a usable low voltage (24V AC) through electromagnetic induction. The transformer consists of primary and secondary coils, which transfer energy while maintaining electrical isolation and safety. This voltage reduction is essential for devices that are designed to operate under low-voltage conditions, ensuring they function correctly and safely.
  • Question: What should I look for when selecting a transformer for my project?

    Answer: When selecting a transformer for your project, consider factors such as the required voltage (24V in this case), power capacity (20VA), safety certifications (like UL), and compatibility with the devices you intend to power. Assess the installation environment as well – whether it’s indoors or outdoors – to ensure you choose a transformer rated for that purpose. Additionally, think about future needs to ensure your transformer remains suitable for any additional devices you may add later.
  • Question: Where can I buy the Transformer 20VA, 120-24V, single hub, Class 2, UL?

    Answer: You can purchase the Transformer 20VA, 120-24V, single hub, Class 2, UL on Ubuy. They offer a comprehensive selection of electrical components, making it easy for you to find the transformer you need. Their platform is user-friendly and provides detailed product descriptions to help you make an informed decision.

Functional Devices Isolation Transformers Editorial Review

The Transformer 20VA, 120-24V with a single hub and Class 2 UL certification seems to have garnered mixed reviews. One customer mentioned that the output was different than specified, while another expressed dissatisfaction over the conduit fitting mount. Despite this, the quick refund process was appreciated. On a positive note, some customers found the transformer to work perfectly for their needs, such as supplying power to their Ecobee thermostat and heating furnace controls. Additionally, the UL certification was reassuring for its safety. Overall, opinions on the product seem to be divided, with some customers happy with its performance, while others experienced issues with the specifications and mounting options.

Customer Reviews & Ratings

1 customers ratings
  • 5 Star
    100%
  • 4 Star
    0%
  • 3 Star
    0%
  • 2 Star
    0%
  • 1 Star
    0%

Review this product

Share your thoughts with other customers

Pros

  • Works perfectly for powering devices like thermostats and furnace controls
  • UL certified for safety

Cons

  • Output may not always meet specified levels

Platform Trust & Buyer Confidence

trustpilot logo
4.2/5 9250 + reviews
Read reviews
MA
Mohammad
Verified buyer

“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”

23 July 2026 · via Trustpilot
CK
Chitra
Verified buyer

“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”

22-Jul-26 · via Trustpilot
K
kund
Verified buyer

“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”

23-Jul-26 · via Trustpilot
OO
Onesi
Verified buyer

“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”

22 July 2026 · via Trustpilot
SJ
SAO JOHN
Verified buyer

“Ubuy is a great online platform to buy stuff. Reliable, fast delivery time and great value for money. I've been using Ubuy online shopping platform for three years now and will continue to do so.”

23 July 2026 · via Trustpilot
Secure Checkout Global Delivery Easy Returns Genuine Products

Product Price History

Important information

  • Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
  • Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.

SHP 69

Order now and get it around Saturday, September 05

QTY:

Secured transactionsecured transaction

PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.

Our Top Logistics Partners
  • fedex
  • dhl
Fastest cross-border delivery

Ubuy Assurance

Experience worry-free shopping with 100% original products, PCI DSS-compliant payment security, ISO 27001-certified data protection, the fastest cross-border delivery, free returns *, and secure packaging on every order.