---
product_id: 138876118
title: "VIIVRIA 24V 40VA Doorbell Transformer - Heavy-Duty Copper Core for Ring Pro/2 & Nest Hello, Easy Install Hardwired Power Supply, Thermostat/Chime Compatible"
brand: "viivria"
price: "43086CFA"
currency: XOF
in_stock: true
category: "Viivria"
url: https://www.desertcart.sn/products/138876118-viivria-24v-40va-doorbell-transformer-heavy-duty-copper-core-ring
store_origin: SN
region: Senegal
---

# Stable 24V/40VA output Anti-overheat copper core Easy screw & clip installation VIIVRIA 24V 40VA Doorbell Transformer - Heavy-Duty Copper Core for Ring Pro/2 & Nest Hello, Easy Install Hardwired Power Supply, Thermostat/Chime Compatible

**Brand:** viivria
**Price:** 43086CFA
**Availability:** ✅ In Stock

## Summary

> ⚡ Power your smart home like a pro — no flickers, no fuss!

## Quick Answers

- **What is this?** VIIVRIA 24V 40VA Doorbell Transformer - Heavy-Duty Copper Core for Ring Pro/2 & Nest Hello, Easy Install Hardwired Power Supply, Thermostat/Chime Compatible by viivria
- **How much does it cost?** 43086CFA with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sn](https://www.desertcart.sn/products/138876118-viivria-24v-40va-doorbell-transformer-heavy-duty-copper-core-ring)

## Best For

- viivria enthusiasts

## Why This Product

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

## Key Features

- • **Cool & Reliable:** Advanced anti-overheat design keeps your transformer running safe and sound, even under heavy loads.
- • **Multi-Device Ready:** Supports multiple thermostats and doorbells simultaneously, perfect for smart homes craving seamless power.
- • **Plug & Play Upgrade:** Effortlessly replace old transformers with a universal fit for Ring, Nest, Wyze, Eufy, and more—no compatibility headaches.
- • **Power That Never Quits:** Patented copper-core tech delivers consistent 24V/40VA power, eliminating low voltage warnings and tripling your doorbell’s lifespan.
- • **Trusted Smart Home Essential:** VIIVRIA’s proven expertise ensures durable, high-quality power solutions that keep your smart devices humming.

## Overview

The VIIVRIA 24V 40VA Doorbell Transformer is a heavy-duty, UL-certified power supply designed for seamless compatibility with top smart doorbells and thermostats including Ring Pro/2 and Nest Hello. Featuring a patented copper-core for zero voltage drop and anti-overheat protection, it delivers stable, reliable 24V power to multiple devices simultaneously. Easy to install with versatile mounting options, this transformer upgrades your home’s smart device power infrastructure, extending device lifespan and eliminating low voltage issues.

## Description

VIIVRIA 24V Transformer is specifically designed to optimize the performance of Nest, Ecobee, Honeywell and Sensi smart thermostats; Also compatible with Ring, Eufy Video Doorbell, Ring Video Doorbell 2, Ring Video Doorbell Pro, Nest Skybell Doorbell, and other devices that require constant 24 volt power for operation 24V/40VA Thermostat and Doorbell Transformer, Power Supply Compatible with Nest, Ecobee, Sensi and Honeywell Thermostat, Nest Hello Doorbell and All Versions of Ring Doorbell (4011MT) Powers thermostats and doorbells: replace underpowered transformers Easy to install: screw down and thread clamps to electrical box Input is 120 VAC, 60 Hz; Output: 24 V/ 40 VA This 24v transformer fits for Nest, Ecobee, Honeywell and Sensi smart thermostats; Also compatible with Ring Video Doorbell, Ring Video Doorbell 2, Ring Video Doorbell Pro, Nest Skybell Doorbell, and other devices that require constant 24 volt power for operation. About VIIVRIA: VIIVRIA specializes in high-quality digital accessories, delivering reliable products for modern homes. We focus on providing durable solutions and exceptional customer service, ensuring satisfaction with every purchase.

## Features

- Universal Compatibility - Certified for Ring Video Doorbell Pro/2, Nest Hello, Wyze, Eufy & most 16-24V smart doorbells. Includes dual-input terminals for thermostats/chime
- Zero Voltage Drop & Anti-Overheat - Patented copper-core design maintains stable 24V output even under 40VA max load, eliminating "low voltage warnings" and extending doorbell lifespan by 3X
- 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（Perfect replacement for an old transformer and will work with any wired door chime）
- 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
- Trusted Brand Expertise - VIIVRIA has been specializing in digital accessories for years, consistently delivering high-quality products and services. We are committed to providing reliable, durable solutions for modern homes, with a focus on customer satisfaction and product performance

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07Q4PPKQ8 |
| Best Sellers Rank | #11,218 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #6 in Door Bell Transformers |
| Brand | VIIVRIA |
| Brand Name | VIIVRIA |
| Current Rating | 0.5 Amps |
| Customer Reviews | 4.3 out of 5 stars 1,009 Reviews |
| Included Components | 24V 40VA Doorbell Transformer |
| Item Dimensions D x W x H | 2"D x 2"W x 3"H |
| Item Weight | 0.7 Kilograms |
| Manufacturer | ZKRFID |
| Maximum Frequency | 60 Hz |
| Minimum Frequency | 60 Hz |
| Model | 130023-UD-CA |
| Mounting Type | Wall Mount |
| Part Number | UD24-40VA |
| Power Source | Corded Electric |
| Product Dimensions | 2"D x 2"W x 3"H |
| Specification Met | UL |
| UPC | 712317236668 |
| Unit Count | 1.0 Count |

## Product Details

- **Brand:** VIIVRIA
- **Current Rating:** 0.5 Amps
- **Mounting Type:** Wall Mount
- **Power Source:** Corded Electric
- **Product Dimensions:** 2"D x 2"W x 3"H

## Images

![VIIVRIA 24V 40VA Doorbell Transformer - Heavy-Duty Copper Core for Ring Pro/2 & Nest Hello, Easy Install Hardwired Power Supply, Thermostat/Chime Compatible - Image 1](https://m.media-amazon.com/images/I/61e2oYsTj4L.jpg)

## Frequently Bought Together

- VIIVRIA Doorbell Transformer 24V 40VA for Ring Video Doorbells, Hardwired Door Chime Transformer Power Supply, Compatible with Ring and Nest Hello Video Doorbells
- Ring Video Doorbell Wired (newest model), Use Two-Way Talk, advanced motion detection, HD camera and real-time alerts to monitor your front door (wiring required)
- Ring Chime

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**Shop now:** [https://www.desertcart.sn/products/138876118-viivria-24v-40va-doorbell-transformer-heavy-duty-copper-core-ring](https://www.desertcart.sn/products/138876118-viivria-24v-40va-doorbell-transformer-heavy-duty-copper-core-ring)

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*Product available on Desertcart Senegal*
*Store origin: SN*
*Last updated: 2026-07-18*