---
product_id: 360953556
title: "Sponsored Ad - 24VAC, 40 VA AC Transformer Plug in with PTC Fuse Compatible with Ring Nest Doorbell Thermostats UL Certified"
brand: "hotop"
price: "€ 2.44"
currency: EUR
in_stock: false
url: https://www.desertcart.hr/products/360953556-sponsored-ad-24vac-40-va-ac-transformer-plug-in-ptc
store_origin: HR
region: Croatia
---

# Sponsored Ad - 24VAC, 40 VA AC Transformer Plug in with PTC Fuse Compatible with Ring Nest Doorbell Thermostats UL Certified

**Brand:** hotop
**Price:** € 2.44
**Availability:** ❌ Out of Stock

## Quick Answers

- **What is this?** Sponsored Ad - 24VAC, 40 VA AC Transformer Plug in with PTC Fuse Compatible with Ring Nest Doorbell Thermostats UL Certified by hotop
- **How much does it cost?** € 2.44 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/360953556-sponsored-ad-24vac-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

## Description

No more doorbell/ thermostat underpower hassel: 24V 40VA Plug in transformer, replaces and upgrades underpowered transformer with this 24V transformer, offering plenty of power for your thermostats and doorbells. Specification: Input voltage: 120 VAC, 60HzOutput voltage: 24V, 40 VASafe and stable: Auto-resetting (PTC) fused secondaryLED green power indicatorPositive/negative/ * terminalsUL certified: (E508012, Model PS-D40)UL certification passedEasy installation: Electrical outlet mounting tabUniversal 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: The brand above is only for demonstrating compatibility.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Item weight | 109 Grams |
| UPC | 796168988969 |
| Manufacturer | WERPOWER |
| Part number | PS D40 |
| Item Weight | 109 g |
| Product Dimensions | 5.4 x 6.5 x 10 cm; 109 g |
| 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
- **Mounting type:** Wall Mount
- **Minimum frequency:** 60 Hz
- **Specification met:** UL

## Images

![Sponsored Ad - 24VAC, 40 VA AC Transformer Plug in with PTC Fuse Compatible with Ring Nest Doorbell Thermostats UL Certified - Image 1](https://m.media-amazon.com/images/I/61SRG-pzl6L.jpg)
![Sponsored Ad - 24VAC, 40 VA AC Transformer Plug in with PTC Fuse Compatible with Ring Nest Doorbell Thermostats UL Certified - Image 2](https://m.media-amazon.com/images/I/71Oa38-NRyL.jpg)
![Sponsored Ad - 24VAC, 40 VA AC Transformer Plug in with PTC Fuse Compatible with Ring Nest Doorbell Thermostats UL Certified - Image 3](https://m.media-amazon.com/images/I/71l1IxvoDxL.jpg)
![Sponsored Ad - 24VAC, 40 VA AC Transformer Plug in with PTC Fuse Compatible with Ring Nest Doorbell Thermostats UL Certified - Image 4](https://m.media-amazon.com/images/I/618JeLByeKL.jpg)
![Sponsored Ad - 24VAC, 40 VA AC Transformer Plug in with PTC Fuse Compatible with Ring Nest Doorbell Thermostats UL Certified - Image 5](https://m.media-amazon.com/images/I/71W7P22M2WL.jpg)

## 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.hr/products/360953556-sponsored-ad-24vac-40-va-ac-transformer-plug-in-ptc](https://www.desertcart.hr/products/360953556-sponsored-ad-24vac-40-va-ac-transformer-plug-in-ptc)

---

*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-02-26*