---
product_id: 179478623
title: "24 Volt Transformer, 40 VA AC Transformer Plug in with PTC Fuse Compatible with Ring Doorbell and Thermostat, Compatible with Nest, Ecobee, Sensi/Honeywell/ 24V Adapter (1 Pack)"
brand: "hotop"
price: "458 DH"
currency: MAD
in_stock: true
url: https://www.desertcart.ma/products/179478623-24-volt-transformer-40-va-ac-transformer-plug-in-ptc
store_origin: MA
region: Morocco
---

# 24V output power UL certified safety 40VA capacity 24 Volt Transformer, 40 VA AC Transformer Plug in with PTC Fuse Compatible with Ring Doorbell and Thermostat, Compatible with Nest, Ecobee, Sensi/Honeywell/ 24V Adapter (1 Pack)

**Brand:** hotop
**Price:** 458 DH
**Availability:** ✅ In Stock

## Summary

> ⚡ Power your smart home like a pro—never settle for underpowered again!

## Quick Answers

- **What is this?** 24 Volt Transformer, 40 VA AC Transformer Plug in with PTC Fuse Compatible with Ring Doorbell and Thermostat, Compatible with Nest, Ecobee, Sensi/Honeywell/ 24V Adapter (1 Pack) by hotop
- **How much does it cost?** 458 DH with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ma](https://www.desertcart.ma/products/179478623-24-volt-transformer-40-va-ac-transformer-plug-in-ptc)

## Best For

- hotop enthusiasts

## Why This Product

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

## Key Features

- • **Safety First, Always:** Built-in auto-resetting PTC fuse and LED power indicator ensure stable, safe operation.
- • **Plug & Play Simplicity:** Easy electrical outlet mounting tab for quick, hassle-free installation.
- • **Power Up Without Limits:** Reliable 24V 40VA output powers all your smart home essentials effortlessly.
- • **Compact & Lightweight Design:** Sleek 3.94-inch footprint and just 109 grams—power that fits anywhere.
- • **Universal Smart Home Compatibility:** Seamlessly supports Ring, Nest, Ecobee, Honeywell, Sensi, and more.

## Overview

The Hotop 24V 40VA AC Transformer is a UL-certified, plug-in power solution designed to replace underpowered transformers for smart thermostats and doorbells. Featuring a compact design, auto-resetting PTC fuse, and universal compatibility with top smart home brands like Ring, Nest, and Ecobee, it delivers stable, reliable power with easy installation and built-in safety indicators.

## Description

1 Pack 24 Volt Transformer, 40 VA AC Transformer Plug in with PTC Fuse Compatible with Ring Doorbell and Thermostat, Compatible with Nest, Ecobee, Sensi/Honeywell/24V Adapter

## Features

- 【Warm Tips】Please read the installation instructions carefully before use (the middle terminal is connected to the ground wire) to avoid installation errors that may cause the product to become unusable
- Eliminate doorbell/ thermostat underpower hassle: 24V 40VA plug in transformer, replaces and upgrades underpowered transformer with this 24V AC transformer, offering plenty of power for your thermostats and doorbells
- Specification: input voltage: 120 VAC, 60Hz; Output voltage: 24V, 40VA; The power supply needs to be disconnected during the installation process; The resistor is not insulated; Please wear insulating gloves and other protective tools to avoid injury
- Safe and stable: auto resetting (PTC) fused secondary, LED green power indicator, positive/ negative/ screw terminals
- UL Certified and Easy Installation: electrical outlet mounting tab; Warm Tip: Only equip with plug in transformer, no wires included
- Universal compatibility: this 24v transformer is compatible with Ring video doorbell, Ring video doorbell 2, Ring video doorbell pro, Nest Skybell Doorbell, also compatible with Nest, Ecobee/Honeywell and Sensi Smart Thermostats, and other devices, that require constant 24 volt power for operation; Note: please add a 50W Watt 25 Ohm Resistor if you use this transformer to charge a doorbell, the brand above is only for demonstrating compatibility

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Minimum Frequency | 60 Hz |
| Specification Met | UL |
| Item Weight | 109 Grams |
| UPC | 796168988969 |
| Manufacturer | Hotop |
| Part Number | PS D40 |
| Item Weight | 3.84 ounces |
| Product Dimensions | 2.13 x 2.56 x 3.94 inches |
| Item model number | PS D40 |
| Voltage | 24 Volts |
| Item Package Quantity | 1 |
| Batteries Included? | No |
| Batteries Required? | No |
| Battery Capacity | 1660 Milliamp Hours |

## Product Details

- **Brand:** Hotop
- **Power Source:** Corded Electric
- **Product Dimensions:** 2.13"D x 2.56"W x 3.94"H
- **Mounting Type:** Wall Mount
- **Current Rating:** 1.5 Amps

## Images

![24 Volt Transformer, 40 VA AC Transformer Plug in with PTC Fuse Compatible with Ring Doorbell and Thermostat, Compatible with Nest, Ecobee, Sensi/Honeywell/ 24V Adapter (1 Pack) - Image 1](https://m.media-amazon.com/images/I/61YFD+Gn2UL.jpg)

## Available Options

This product comes in different **Number of Items** options.

## Frequently Bought Together

- Hotop 1 Pack 24 Volt Transformer, 40 VA AC Transformer Plug in with PTC Fuse Competible with All Versions of Ring Doorbell and Thermostat, Compatible with Nest, Ecobee, Sensi, Honeywell, 24V Adapter
- Syston 18/2 Thermostat Doorbell HVAC Heating Control Cable Wire, 18 AWG 2 Conductors 100% Solid Copper Conductors CL3R/FT4/CMR Riser-Rated, UV Resistant RoHS for Low Voltage Applications Use
- Syston 18/4 Thermostat Doorbell HVAC Heating Control Cable Wire, 100% Solid Copper Conductors CL3R/FT4/CMR Riser-Rated UL/ETL Listed, UV Resistant RoHS for Indoor/Outdoor Low Voltage Applications Use

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**Shop now:** [https://www.desertcart.ma/products/179478623-24-volt-transformer-40-va-ac-transformer-plug-in-ptc](https://www.desertcart.ma/products/179478623-24-volt-transformer-40-va-ac-transformer-plug-in-ptc)

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*Product available on Desertcart Morocco*
*Store origin: MA*
*Last updated: 2026-01-26*