---
product_id: 715784410
title: "24VAC 40VA Plug in Transformer,Doorbell Transformer Compatible with All of Doorbell，Nest, Ecobee, Sensi and Honeywell Thermostat"
brand: "wuyelin"
price: "₱9040"
currency: PHP
in_stock: true
url: https://www.desertcart.ph/products/715784410-24vac-40va-plug-in-transformer-doorbell-transformer-compatible-with-all
store_origin: PH
region: Philippines
---

# 24VAC 40VA power output Screw terminal output for custom cable length Auto-resetting PTC fuse for safety 24VAC 40VA Plug in Transformer,Doorbell Transformer Compatible with All of Doorbell，Nest, Ecobee, Sensi and Honeywell Thermostat

**Brand:** wuyelin
**Price:** ₱9040
**Availability:** ✅ In Stock

## Summary

> ⚡ Power your smart home like a pro—never miss a beat!

## Quick Answers

- **What is this?** 24VAC 40VA Plug in Transformer,Doorbell Transformer Compatible with All of Doorbell，Nest, Ecobee, Sensi and Honeywell Thermostat by wuyelin
- **How much does it cost?** ₱9040 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ph](https://www.desertcart.ph/products/715784410-24vac-40va-plug-in-transformer-doorbell-transformer-compatible-with-all)

## Best For

- wuyelin enthusiasts

## Why This Product

- Trusted wuyelin brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Safety First Design:** Built-in auto-resetting PTC fuse and LED power indicator ensure stable, worry-free operation.
- • **Reliable Power Boost:** Upgrade your thermostat & doorbell with a stable 24VAC 40VA output—no more battery hassles.
- • **Effortless Installation:** Customizable screw terminal output lets you tailor cable length for a clean, professional setup.
- • **Compact & RoHS Certified:** Space-saving design with eco-friendly certification—power your smart home responsibly.
- • **Universal Smart Home Compatibility:** Seamlessly powers Nest, Ecobee, Honeywell, Sensi thermostats & all major video doorbells.

## Overview

This 24VAC 40VA plug-in transformer delivers reliable, stable power to all major smart thermostats and video doorbells. Featuring a safe auto-resetting PTC fuse, customizable screw terminal outputs, and a compact design, it’s the perfect upgrade to eliminate battery replacements and ensure seamless smart home performance.

## Description

Style:24V AC 40VA Thermostat and Doorbell TransformerCompatible model:  Nest Hello Doorbell,  Doorbells Video Doorbell, Video Doorbell Pro Video Doorbell 2 Thermostat Nest Thermostat Ecobee Thermostat Honeywell Smart WiFi Thermostat Sensi Thermostat Specification: Input voltage: 120V AC, 60Hz  Output voltage: 24V±5% AC 40 VANo-load voltage ：27.2VAC±5%Output with screw terminals，auto-resetting (PTC) fused

## Features

- Doorbell/Thermostat power solution: 24Vac 40VA wall transformer, using this Transformer to replace and upgrade the insufficient power transformer, can provide sufficient power for your thermostat and doorbell, save the trouble of frequent battery replacement
- Specification: input voltage: 120 VAC, 60Hz; Output voltage: 24V, 40VA ,No-load output voltage: 26.6V,SAFE AND STABLE auto-resetting (PTC) fused secondary, LED green power indicator
- Compatible With: This transformer compatible for Honeywell, Nest, Ecobee, and Sensi smart thermostats; Also compatible with Video Doorbell, Video Doorbell 2, Video Doorbell Pro, Nest Skybell Doorbell。Note: The brand above is only for demonstrating compatibilityyy
- Easy to install:Output with screw terminals, You can freely cut the connecting cable and arrange the cable according to the length you need to make the installation simple and beautiful
- Multimeter test products: When using a multimeter to test products, pay attention to using an AC voltmeter or multimeter to test the output voltage value, and use a voltage tester to measure accurate voltage output data. The no-load voltage output measured by the multimeter is about 26.6-28V, which is normal and does not affect any use.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Specification Met | RoHS |
| Item Weight | 0.7 Kilograms |
| UPC | 791309016563 |
| Manufacturer | WUYELIN |
| Country of Origin | USA |
| Model number | HU-XI-22 |
| Item Weight | 700 g |
| Product Dimensions | 5.33 x 6.35 x 9.65 cm; 700 g |
| Item model number | HU-XI-22 |
| Item Height | 3.8 Inches |
| Item Width | 2.5 Inches |
| Wattage | 40 Watts |
| Are batteries included? | No |

## Product Details

- **Brand:** WUYELIN
- **Power Source:** Corded Electric,Battery Powered
- **Product Dimensions:** 5.3D x 6.4W x 9.7H Centimeters
- **Mounting Type:** Wall Mount
- **Current Rating:** 1.66 Amps

## Images

![24VAC 40VA Plug in Transformer,Doorbell Transformer Compatible with All of Doorbell，Nest, Ecobee, Sensi and Honeywell Thermostat - Image 1](https://m.media-amazon.com/images/I/51+xAjpjPsL.jpg)

## Questions & Answers

**Q: what does the OV stand for?**
A: OV stands for output voltage

**Q: Will this support 2 different  ring doorbells?**
A: yes,You need to connect correctly

**Q: Do they normally get a little hot?**
A: The transformer will get a little hot during operation.
If the temperature exceeds the load, there is a recoverable fuse at the output of the transformer, the protection will be activated and the output will be disconnected

**Q: Will this work with the Logitech Circleview Doorbell?**
A: If it takes 24V, then yes. I have it on my Ring which needs 16-24V, works great.

## Frequently Bought Together

- 24VAC 40VA Plug in Transformer,Doorbell Transformer Compatible with All of Doorbell，Nest, Ecobee, Sensi and Honeywell Thermostat
- Emerson 90 380 Fan Relay 24 Volt Coil, 1

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**Shop now:** [https://www.desertcart.ph/products/715784410-24vac-40va-plug-in-transformer-doorbell-transformer-compatible-with-all](https://www.desertcart.ph/products/715784410-24vac-40va-plug-in-transformer-doorbell-transformer-compatible-with-all)

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*Product available on Desertcart Philippines*
*Store origin: PH*
*Last updated: 2026-02-03*