---
product_id: 191026332
title: "HQRP 120V-240V to 24V 40VA Transformer Compatible with Nest, Ecobee, Sensi, Honeywell Thermostat, Nest Doorbell and All Versions of Ring Doorbell Power Supply Adapter Door-Bell 120v-240v-to-24v, UL"
brand: "hqrp"
price: "28085 Ft"
currency: HUF
in_stock: true
url: https://www.desertcart.hu/products/191026332-hqrp-120v-240v-to-24v-40va-transformer-compatible-with-nest
store_origin: HU
region: Hungary
---

# 40VA power output 120V-240V universal input Easy screw or clamp install HQRP 120V-240V to 24V 40VA Transformer Compatible with Nest, Ecobee, Sensi, Honeywell Thermostat, Nest Doorbell and All Versions of Ring Doorbell Power Supply Adapter Door-Bell 120v-240v-to-24v, UL

**Brand:** hqrp
**Price:** 28085 Ft
**Availability:** ✅ In Stock

## Summary

> ⚡ Power your smart home like a pro — never run out of juice!

## Quick Answers

- **What is this?** HQRP 120V-240V to 24V 40VA Transformer Compatible with Nest, Ecobee, Sensi, Honeywell Thermostat, Nest Doorbell and All Versions of Ring Doorbell Power Supply Adapter Door-Bell 120v-240v-to-24v, UL by hqrp
- **How much does it cost?** 28085 Ft with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hu](https://www.desertcart.hu/products/191026332-hqrp-120v-240v-to-24v-40va-transformer-compatible-with-nest)

## Best For

- hqrp enthusiasts

## Why This Product

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

## Key Features

- • **Compact & Lightweight:** Slim 4.13x2.72x2.68 inch design weighing just 1.57 lbs fits anywhere
- • **Effortless Installation:** Screw-down or threaded clamp design for quick, hassle-free setup
- • **Universal Compatibility:** Seamlessly works with Nest, Ecobee, Honeywell, Sensi, Ring, and more
- • **Power Up Multiple Devices:** Robust 24V AC 40VA output supports several thermostats & doorbells simultaneously
- • **Certified Safety & Reliability:** C(UR)US listed transformer ensures high efficiency and peace of mind

## Overview

The HQRP 120V-240V to 24V 40VA Transformer is a UL-listed, high-efficiency power adapter designed to replace underpowered transformers. Compatible with all major smart thermostats and doorbells including Nest, Ecobee, Honeywell, Sensi, and Ring, it delivers reliable 24V AC power with a robust 40VA output. Its universal input voltage and easy installation make it the perfect upgrade for powering multiple smart devices simultaneously.

## Description

Full description not available

## Features

- HQRP® Replacement Transformer; POWER UP MULTIPLE THERMOSTATS / DOORBELLS: replaces and upgrades underpowered transformer with this 24V AC transformer, offering plenty of power for single or multiple thermostats and doorbells at the same time;
- Input: 120V-240V AC; Output: 24V AC; 40VA; UNIVERSAL COMPATIBILITY: 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;
- C(UR)US Listed; Safety Features: High Efficiency and Reliability;
- EASY TO INSTALL: screw down or threaded clamp to electrical box, simple to wire up; Compatible With: 24V 40VA Transformer compatible with Nest, Ecobee, Sensi, Honeywell Thermostat, Nest Hello Doorbell and All Versions of Ring Doorbell Power Supply Adapter Door-Bell 120v-240v-to-24v Replacement;

## Technical Specifications

| Specification | Value |
|---------------|-------|
| UPC | 884667525003 |
| Manufacturer | HQRP |
| Part Number | 887774401282011 |
| Item Weight | 1.57 pounds |
| Package Dimensions | 4.13 x 2.72 x 2.68 inches |
| Item model number | 887774401282011 |
| Style | PRI:120V/240V SEC:24V 40VA |
| Pattern | PRI:120V/240V SEC:24V 40VA |
| Item Package Quantity | 1 |
| Special Features | Compatible With: 120V-240V to 24V 40VA Transformer Nest, Ecobee, Sensi, Honeywell Thermostat, Nest Hello Doorbell and All Versions of Ring Doorbell Power Supply Adapter Door-Bell 120v-240v-to-24v Replacement |
| Batteries Included? | No |
| Batteries Required? | No |

## Product Details

- **Brand:** HQRP
- **Power Source:** Corded Electric
- **Mounting Type:** Wall Mount
- **Specification Met:** UL
- **Item Weight:** 0.71 Kilograms

## Images

![HQRP 120V-240V to 24V 40VA Transformer Compatible with Nest, Ecobee, Sensi, Honeywell Thermostat, Nest Doorbell and All Versions of Ring Doorbell Power Supply Adapter Door-Bell 120v-240v-to-24v, UL - Image 1](https://m.media-amazon.com/images/I/81ti7lf3OmL.jpg)

## Available Options

This product comes in different **Style** options.

## Questions & Answers

**Q: Need a 220v transformer for the ring. Will this work for a single ring and chime in the circuit?**
A: Hello,
It will be appropriate for 220v as well as for the ring.

**Q: Will it keep your ring doorbell charged**
A: Yes it will.  In case of an outage happened, the Ring doorbell still sent messages to your smart phone.

**Q: Can i use this to run a 120v fan with a 24vac thermostat?**
A: You could run 120v from the source (wall, etc) to the fan power and the transformer input, and the 24v transformer output to the thermostat.

**Q: Why black wire is common and white wire is 120v? Is it the white wire is not supposed to be common?**
A: Hello,
There is a diagram in the picture 6, black wire is common.

## Frequently Bought Together

- HQRP 120V-240V to 24V 40VA Transformer Compatible with Nest, Ecobee, Sensi, Honeywell Thermostat, Nest Doorbell and All Versions of Ring Doorbell Power Supply Adapter Door-Bell 120v-240v-to-24v, UL
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**Shop now:** [https://www.desertcart.hu/products/191026332-hqrp-120v-240v-to-24v-40va-transformer-compatible-with-nest](https://www.desertcart.hu/products/191026332-hqrp-120v-240v-to-24v-40va-transformer-compatible-with-nest)

---

*Product available on Desertcart Hungary*
*Store origin: HU*
*Last updated: 2026-03-08*