--- product_id: 574073628 title: "4 Pack 24VAC 40VA Plug in Transformer,Doorbell Transformer Compatible with All of Doorbell，Nest, Ecobee, Sensi and Honeywell Thermostat (2)" brand: "wuyelin" price: "VT15608" currency: VUV in_stock: true url: https://www.desertcart.vu/products/574073628-4-pack-24vac-40va-plug-in-transformer-doorbell-transformer-compatible store_origin: VU region: Vanuatu --- # 24VAC Power 40VA Output Easy Install 4 Pack 24VAC 40VA Plug in Transformer,Doorbell Transformer Compatible with All of Doorbell，Nest, Ecobee, Sensi and Honeywell Thermostat (2) **Brand:** wuyelin **Price:** VT15608 **Availability:** ✅ In Stock ## Summary > 🔋 Power Your Smart Home with Confidence! ## Quick Answers - **What is this?** 4 Pack 24VAC 40VA Plug in Transformer,Doorbell Transformer Compatible with All of Doorbell，Nest, Ecobee, Sensi and Honeywell Thermostat (2) by wuyelin - **How much does it cost?** VT15608 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.vu](https://www.desertcart.vu/products/574073628-4-pack-24vac-40va-plug-in-transformer-doorbell-transformer-compatible) ## 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:** Equipped with auto-resetting fused secondary for peace of mind. - • **Power Up Your Home:** Transform your doorbell and thermostat experience with reliable power. - • **User-Friendly Design:** Screw terminals for easy installation and customization. - • **Precision Performance:** No-load output voltage of 26.6V ensures optimal functionality. - • **Universal Compatibility:** Works seamlessly with top brands like Honeywell, Nest, and Ecobee. ## Overview The 4 Pack 24VAC 40VA Plug-in Transformer is a reliable power solution for your doorbell and thermostat systems. With a robust output of 24V and compatibility with leading smart devices, this transformer ensures stable performance while eliminating the hassle of frequent battery changes. Its user-friendly design allows for easy installation, making it a must-have for any modern home. ## Description Full description not available ## 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. ## Images ![4 Pack 24VAC 40VA Plug in Transformer,Doorbell Transformer Compatible with All of Doorbell，Nest, Ecobee, Sensi and Honeywell Thermostat (2) - Image 1](https://m.media-amazon.com/images/I/61arK5CuDHL.jpg) ![4 Pack 24VAC 40VA Plug in Transformer,Doorbell Transformer Compatible with All of Doorbell，Nest, Ecobee, Sensi and Honeywell Thermostat (2) - Image 2](https://m.media-amazon.com/images/I/619Jfevs4yL.jpg) ![4 Pack 24VAC 40VA Plug in Transformer,Doorbell Transformer Compatible with All of Doorbell，Nest, Ecobee, Sensi and Honeywell Thermostat (2) - Image 3](https://m.media-amazon.com/images/I/51StGkqeqsL.jpg) ![4 Pack 24VAC 40VA Plug in Transformer,Doorbell Transformer Compatible with All of Doorbell，Nest, Ecobee, Sensi and Honeywell Thermostat (2) - Image 4](https://m.media-amazon.com/images/I/61JrTZMqoIL.jpg) ![4 Pack 24VAC 40VA Plug in Transformer,Doorbell Transformer Compatible with All of Doorbell，Nest, Ecobee, Sensi and Honeywell Thermostat (2) - Image 5](https://m.media-amazon.com/images/I/61RBHDIZsXL.jpg) ## Available Options This product comes in different **Number of Items** options. --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.vu/products/574073628-4-pack-24vac-40va-plug-in-transformer-doorbell-transformer-compatible](https://www.desertcart.vu/products/574073628-4-pack-24vac-40va-plug-in-transformer-doorbell-transformer-compatible) --- *Product available on Desertcart Vanuatu* *Store origin: VU* *Last updated: 2026-05-10*