---
product_id: 740965581
title: "VIIVRIA Doorbell Transformer 24V 40VA for Ring Video Doorbell, Wired Door Chime Transformer Power Supply for Ring and Nest Hello Video Doorbell"
brand: "viivria"
price: "121 kr"
currency: DKK
in_stock: false
url: https://www.desertcart.dk/products/740965581-viivria-doorbell-transformer-24v-40va-for-ring-video-doorbell-wired
store_origin: DK
region: Denmark
---

# 24V AC output for stable power 40VA capacity supports multiple devices UL listed for enhanced safety VIIVRIA Doorbell Transformer 24V 40VA for Ring Video Doorbell, Wired Door Chime Transformer Power Supply for Ring and Nest Hello Video Doorbell

**Brand:** viivria
**Price:** 121 kr
**Availability:** ❌ Out of Stock

## Summary

> 🔋 Power your smart life with confidence and ease!

## Quick Answers

- **What is this?** VIIVRIA Doorbell Transformer 24V 40VA for Ring Video Doorbell, Wired Door Chime Transformer Power Supply for Ring and Nest Hello Video Doorbell by viivria
- **How much does it cost?** 121 kr with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.dk](https://www.desertcart.dk/products/740965581-viivria-doorbell-transformer-24v-40va-for-ring-video-doorbell-wired)

## 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

- • **Multi-Device Ready:** 40VA capacity handles multiple thermostats and doorbells without a hitch
- • **Safety First, Always:** UL listing ensures fire-safe, code-compliant operation for peace of mind
- • **Effortless Installation:** Screw-on design with clamp for quick, secure mounting in your electrical box
- • **Power Up Your Smart Home:** Reliable 24V AC output powers Ring, Nest, Ecobee & more seamlessly
- • **Upgrade & Replace with Confidence:** Perfect drop-in replacement for old or underpowered transformers

## Overview

The VIIVRIA Doorbell Transformer delivers a steady 24V AC at 40VA, compatible with Ring, Nest, Ecobee, Honeywell, and Sensi smart devices. UL listed for safety, it supports multiple thermostats and doorbells, featuring an easy screw-on installation for quick upgrades or replacements.

## Description

This 24V transformer fits Nest, Ecobee, Honeywell, Sensi Smart Thermostat. Compatible with the Ring, Ufy Video Doorbell, Ring Video Doorbell 2, Ring Video Doorbell Pro, Nest Skybell Doorbell and other devices that require a constant 24V power to operate a 24V/40VA thermostat and doorbell transformer. Nest, Ecobebe compatible power supply e, Sensi and Honey Well Thermostat, Nest Hello Doorbell, and Ring Doorbell all versions (4011MT). Power your thermostat and doorbell: Replace the low power transformer. Easy Installation: Screw on design, clamp attaches to electrical box. This 24 volt transformer is UL listed for reliable performance. Input is 120VAC, 60Hz, Output: 24V/40VA This 24V transformer fits Nest, Ecobee, Honeywell, Sensi Smart Thermostat. Also compatible with Ring Video Doorbells, Ring Video Doorbell 2, Ring Video Doorbell Pro, Nest Skybell Doorbell and other devices that require 24 volt power to operate.

## Features

- Specifications: Input: 120 V/AC, 60 Hz, Output: 24 V AC at 40 VA and UL listed, reliable performance and safe to use
- 【COMPATIBILITY】Transformer doorbell power supply is compatible with ring doorbell transformer, Nest, Ecobee, Sensi, Honeywell thermostat, doorbell
- 【UL Listed】This doorbell transformer is UL listed to greatly improve safety and longevity. This non-certified transformer is at risk of fire departments issues caused by circuits during operation
- 【Easy Installation】The doorbell transformer can be easily removed by screws and screws or replaced in a safe place to your electrical box with the screw retainer clip
- 【Power multiple thermostat / doorbell】Upgrade your insufficient power transformer with this 24V AC transformer to provide enough power for single or multiple thermostats and doorbells (perfect replacement for old transformers and compatible with wired door chimes)

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Maximum Frequency | 60 Hz |
| Minimum Frequency | 60 Hz |
| Specification Met | UL |
| UPC | 712317236668 |
| Manufacturer | ZKRFID |
| Part number | UD24-40VA |
| Item Weight | 712 g |
| Product Dimensions | 8.99 x 6.2 x 4.8 cm; 712 g |
| Wattage | 12 W |
| Included Components | 24V 40VAドアベル変圧器。 |
| Batteries Included | No |
| Batteries Required? | No |
| Item Dimensions LxWxH | 9 x 6.2 x 4.8 cm |

## Product Details

- **Brand:** VIIVRIA
- **Power Source:** Corded Electric
- **Product Dimensions:** 5.1D x 5.1W x 7.6H cm
- **Mounting Type:** Wall Mount
- **Current Rating:** 0.5 Amps

## Images

![VIIVRIA Doorbell Transformer 24V 40VA for Ring Video Doorbell, Wired Door Chime Transformer Power Supply for Ring and Nest Hello Video Doorbell - Image 1](https://m.media-amazon.com/images/I/61TR8+tM2eL.jpg)
![VIIVRIA Doorbell Transformer 24V 40VA for Ring Video Doorbell, Wired Door Chime Transformer Power Supply for Ring and Nest Hello Video Doorbell - Image 2](https://m.media-amazon.com/images/I/619N8DYw57L.jpg)
![VIIVRIA Doorbell Transformer 24V 40VA for Ring Video Doorbell, Wired Door Chime Transformer Power Supply for Ring and Nest Hello Video Doorbell - Image 3](https://m.media-amazon.com/images/I/61iwS6k7hFL.jpg)
![VIIVRIA Doorbell Transformer 24V 40VA for Ring Video Doorbell, Wired Door Chime Transformer Power Supply for Ring and Nest Hello Video Doorbell - Image 4](https://m.media-amazon.com/images/I/61RcQmCeBDL.jpg)
![VIIVRIA Doorbell Transformer 24V 40VA for Ring Video Doorbell, Wired Door Chime Transformer Power Supply for Ring and Nest Hello Video Doorbell - Image 5](https://m.media-amazon.com/images/I/61zQrd23U1L.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.dk/products/740965581-viivria-doorbell-transformer-24v-40va-for-ring-video-doorbell-wired](https://www.desertcart.dk/products/740965581-viivria-doorbell-transformer-24v-40va-for-ring-video-doorbell-wired)

---

*Product available on Desertcart Denmark*
*Store origin: DK*
*Last updated: 2026-02-25*