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Doorbell Transformer 24V 40VA AC Power Supply Thermostat Power Adapter Hardwired Door Chime Transformer
Doorbell Transformer 24V 40VA AC Power Supply Thermostat Power Adapter Hardwired Door Chime Transformer
Doorbell Transformer 24V 40VA AC Power Supply Thermostat Power Adapter Hardwired Door Chime Transformer
Doorbell Transformer 24V 40VA AC Power Supply Thermostat Power Adapter Hardwired Door Chime Transformer
Doorbell Transformer 24V 40VA AC Power Supply Thermostat Power Adapter Hardwired Door Chime Transformer
Doorbell Transformer 24V 40VA AC Power Supply Thermostat Power Adapter Hardwired Door Chime Transformer
Doorbell Transformer 24V 40VA AC Power Supply Thermostat Power Adapter Hardwired Door Chime Transformer
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Doorbell Transformer 24V 40VA AC Power Supply Thermostat Power Adapter Hardwired Door Chime Transformer
Doorbell Transformer 24V 40VA AC Power Supply Thermostat Power Adapter Hardwired Door Chime Transformer
Doorbell Transformer 24V 40VA AC Power Supply Thermostat Power Adapter Hardwired Door Chime Transformer
Doorbell Transformer 24V 40VA AC Power Supply Thermostat Power Adapter Hardwired Door Chime Transformer
Doorbell Transformer 24V 40VA AC Power Supply Thermostat Power Adapter Hardwired Door Chime Transformer
Doorbell Transformer 24V 40VA AC Power Supply Thermostat Power Adapter Hardwired Door Chime Transformer
Doorbell Transformer 24V 40VA AC Power Supply Thermostat Power Adapter Hardwired Door Chime Transformer
Replace and upgrade underpowered transformers with this 16V AC Transformer, while providing ample power to single or multiple thermostats and doorbells.
Doorbell Transformer 24V 40VA AC Power Supply Thermostat Power Adapter Hardwired Door Chime Transformer
Item #: 55221029

Doorbell Transformer 24V 40VA AC Power Supply Thermostat Power Adapter Hardwired Door Chime Transformer

Item #: 55221029

TZS 79173

Price Details

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*All items will import from US

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Only 3 items left in stock.
Order now and get it around Saturday, July 18
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Replace and upgrade underpowered transformers with this 16V AC Transformer, while providing ample power to single or multiple thermostats and doorbells.
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Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.

What Stands Out

Powerful Output
Delivers 24V and 40VA, providing reliable power to doorbells and thermos, ensuring consistent performance for all your home chime needs.
Hardwired Convenience
Designed for hardwired installations, eliminating the hassle of battery changes and providing a seamless power solution for your doorbell.
Versatile Use
Compatible with various door chime models and thermostats, making it a flexible choice for enhancing your home’s entryway and climate control systems.

Product Details

Find the best Doorbell Transformer at Ubuy Tanzania. Get a 24V 40VA AC Power Supply for your thermostat, door chime, or hardwired doorbell. Shop now!
  • 【Power Multiple Thermostats/Doorbells】Replace and upgrade underpowered transformers with this 24V AC Transformer, while providing ample power to single or multiple thermostats and doorbells
  • 【Specification】Input: 120 V/AC, 60 HZ; Load output voltage : 24VAC±5% 40 VA, No-load output voltage：27VAC±5%.Note:due to unstable output voltage in some regions, there may also be differences in output voltage.
  • 【Wide Applications】Compatible with most brands of doorbells or thermostats, low voltage hardwired doorbell power supply for residential, commercial and industrial use
  • 【Easy to Install】The doorbell transformer is easy to replace and install with screws, unscrews or threaded clips to the electrical box, in a safe place
Brand NameGIVEUBED
Model24V40VA
ManufacturerYU ER
Part Number24V40VA
Unit Count1.0 Count
Power SourceAC
Mounting TypePlate Mount
Current Rating40 Amps
Maximum Frequency60 Hz
Minimum Frequency60 Hz
Item Dimensions D x W x H1.3"D x 1.9"W x 2.6"H (3.3 x 4.8 x 6.6 cm)
Item Weight700 Grams
BrandGIVEUBED
Product Dimensions (L x W x H)1.3"D x 1.9"W x 2.6"H (3.3 x 4.8 x 6.6 cm)

Who Should Buy?

Suitable For
  • Homeowners

    Ideal for homeowners needing a reliable power supply for doorbells and thermostats without frequent interruptions.

  • DIY Enthusiasts

    Perfect for those who enjoy installing or upgrading their doorbell systems or smart home devices.

  • Contractors

    Useful for contractors who require a dependable transformer solution for various hardwired installations.

Not Suitable For
  • Portable Devices

    Not suitable for users looking to power portable devices or battery-operated doorbell systems.

  • Low-Voltage Needs

    Inappropriate for installations requiring lower voltage levels, as this transformer outputs 24V specifically.

  • Short-Term Users

    Not recommended for those looking for temporary solutions, as it's designed for long-term hardwired setups.

Product Description

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What is a Doorbell Transformer and how does it work?

    Answer: A Doorbell Transformer is a device that converts high voltage electricity into a lower voltage suitable for doorbells and other low voltage devices. Typically, it reduces the standard household voltage (120V) to 16V, which is often required for doorbell systems. This transformer is essential for providing a safe and stable power supply to your doorbell chimes, ensuring they function properly without any risk of electric shock or damage to the components.
  • Question: What amperage does the 16V 30VA specification indicate?

    Answer: The 16V 30VA specification indicates that the transformer can deliver up to 30 volt-amperes of electrical power at a voltage of 16 volts. This measurement reflects the maximum load the transformer can sustain, making it suitable for most standard doorbell setups. Such specifications help you determine whether the transformer can support additional devices like chimes or motion sensors, ensuring your doorbell system operates efficiently and effectively.
  • Question: Is this transformer compatible with multiple types of doorbells?

    Answer: Yes, this Doorbell Transformer is compatible with various types of doorbells, including mechanical and digital models. Whether you have a wired chime or a smart doorbell system, this transformer provides the necessary power. This versatility makes it an excellent choice for both home renovations and new installations, allowing you to upgrade or change your doorbell without needing a different transformer.
  • Question: Can this transformer be used for other appliances besides doorbells?

    Answer: While primarily designed for doorbells, this transformer can also power low voltage devices such as thermostats and some outdoor lighting systems. It is versatile and can be utilized in various home improvement projects where a lower voltage is required. Just ensure that the device does not exceed the current capabilities of the 30VA rating to avoid potential issues.
  • Question: How do I install the Doorbell Transformer?

    Answer: To install the Doorbell Transformer, first, mount it securely near your electrical panel or where your doorbell wiring is accessible. Then, connect the primary wires to your power source, ensuring to follow local electrical codes. Connect the secondary wires to your doorbell system, matching polarity as required. This straightforward installation allows you to set up your doorbell with confidence, making sure it’s powered correctly from the start.
  • Question: What should I consider when choosing the location for the transformer?

    Answer: When selecting a location for the Doorbell Transformer, consider proximity to both your power source and doorbell wiring. It should be placed where it’s easily accessible for maintenance while avoiding areas prone to moisture or extreme temperatures. Proper positioning ensures optimal performance and longevity of the transformer, allowing your doorbell system to function reliably over time.
  • Question: How do I know if my transformer is malfunctioning?

    Answer: Signs of a malfunctioning transformer include your doorbell not ringing, chimes sounding weak or distorted, or visual damage to the transformer itself. Additionally, if you hear unusual humming noises or experience flickering lights in conjunction with the doorbell, it may signal an issue. Regular checks can help catch these problems early, ensuring your doorbell system remains functional.
  • Question: What materials is the transformer made from?

    Answer: This Doorbell Transformer typically features a high-quality metal casing designed for durability and safety. The internal components include copper windings and robust insulation, protecting against electrical faults. These materials ensure the transformer can withstand the energy demands of daily use so your doorbell remains operational in various environmental conditions.
  • Question: Can I use this transformer for a smart doorbell?

    Answer: Yes, this Doorbell Transformer can be used for smart doorbells, provided they require a 16V power supply. Most smart doorbells are designed to operate within this voltage range, making them compatible with power sources like this transformer. Using an appropriate transformer ensures your smart doorbell has a reliable power supply for optimal performance and connectivity.
  • Question: Where can I buy the Doorbell Transformer 16V 30VA AC Power Supply?

    Answer: You can buy the Doorbell Transformer 16V 30VA AC Power Supply at Ubuy in Tanzania. Ubuy offers a wide range of electrical components and home improvement products, ensuring you can find the right transformer for your doorbell needs easily.

GIVEUBED Transformers Editorial Review

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Mohd
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“The product received very good packaging & safe…Thank You”

16 June 2026 · via Trustpilot
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“Accurate delivery timing given”

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“Not madly expensive like I thought, and much quicker than promised.”

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“Never dealt with Ubuy before, but everything worked out great. Seamless cross border purchasing and shipping. Thanks!”

6/7/2026 · via Trustpilot
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“The process was smooth, with clear communication and timelines. This was my 1st purchase and I am really impressed. I will definitely be coming back.”

12 June 2026 · via Trustpilot
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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.

TZS 79173

Order now and get it around Saturday, July 18

QTY:

Only 3 items left in stock.
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

Features & Benefits

  • Compatible with multiple thermostats and doorbells.
  • Delivers reliable 16V AC power at 30 VA.
  • Suitable for residential, commercial, and industrial use.
  • Easy installation with screws and clips.
  • Perfect for replacing underpowered transformers.
  • Enhances the performance of your doorbell and thermostat system.

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