---
product_id: 126230897
title: "SSR-25DD+Heat Sink"
brand: "twtade"
price: "667715₫"
currency: VND
in_stock: true
reviews_count: 13
category: "Twtade"
url: https://www.desertcart.vn/products/126230897-ssr-25dd-heat-sink
store_origin: VN
region: Vietnam
---

# 25A high current capacity Wide input/output voltage range 3-32V to 5-60V DC Integrated heat sink for thermal management SSR-25DD+Heat Sink

**Brand:** twtade
**Price:** 667715₫
**Availability:** ✅ In Stock

## Summary

> ⚡ Elevate your power control game with the SSR-25DD – where reliability meets industrial strength!

## Quick Answers

- **What is this?** SSR-25DD+Heat Sink by twtade
- **How much does it cost?** 667715₫ with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/126230897-ssr-25dd-heat-sink)

## Best For

- twtade enthusiasts

## Why This Product

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

## Key Features

- • **Durable Silver Contacts:** Ensures reliable, low-resistance switching for long-lasting performance.
- • **Stay Cool Under Pressure:** Includes a robust heat sink to prevent overheating during continuous operation.
- • **Power Through with 25 Amps:** Handles heavy-duty loads effortlessly, perfect for demanding industrial setups.
- • **Plug & Play Industrial Grade:** Screw connectors and DIN rail mounting make installation quick and professional.
- • **Flexible Voltage Compatibility:** Supports a broad DC input and output range, adapting seamlessly to diverse power systems.

## Overview

The TWTADE SSR-25 DD is a solid state relay designed for DC to DC switching with a high 25A current rating. It operates within a wide voltage range (3-32V input, 5-60V output) and comes with an integrated heat sink to ensure stable thermal performance. Ideal for industrial and scientific applications, it features durable silver contacts, screw connectors, and DIN rail mounting for easy installation and reliable long-term use.

## Description

TWTADE SSR-25 DD 25A DC 3-32V to DC 5-60V SSR Solid State Relay + Heat Sink: desertcart.com: Industrial & Scientific

Review: Good relays after a year of use - I have two of these in enclosed but outdoor locations. Working well after over a year.
Review: So far so good - I'm using two of these to control a 110v 1300watt heating pad that draws around 11amps and a 110v 550watt 5amp 635cfm exhaust fan. I havent ran the heating pad yet, but the fan does great. I have the heatsinks cooled by a 24v fan and 150c thermal fuses fixed to both of them in case they fail. If I ever have any issues, I'll report back with updates. Edit: I guess I should mention I'm triggering them with 24v DC off of a PSU. Low voltage side is negative from the SSR to the negative on the PSU and positive from the PSU to a switch to the SSR. 110v side interrupts the LINE wire for the exhaust fan.

## Features

- Special attention: The current of this product is 10A for a long time. A large heat sink or fan need to be added. Model: SSR-25DD Solid State Relay 25A DC to DC
- Input voltage: 3-32V DC, Output voltage: 5-60V DC
- Heat Sink Mounting Thread Diameter (Approx.) : 0.5cm / 0.19"
- Heat Sink Total Size (Approx.) : 8 x 4.9 x 4.9cm / 3.1" x 1.9" x 1.9" (L * W * T )
- Package Content: 1 x SSR, 1 x heat sink

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B079BBZL7F |
| Batteries Included? | No |
| Batteries Required? | No |
| Best Sellers Rank | #73,827 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #20 in Solid State Relays |
| Brand | TWTADE |
| Coil Voltage | 32 Volts (DC) |
| Connector Type | Screw |
| Contact Current Rating | 25 Amps |
| Contact Material | Silver |
| Contact Type | Normally Open |
| Current Rating | 25 Amps |
| Customer Reviews | 4.1 4.1 out of 5 stars (605) |
| Date First Available | January 25, 2018 |
| Is Discontinued By Manufacturer | No |
| Item Package Quantity | 1 |
| Item Weight | 6.3 ounces |
| Item model number | SSR |
| Manufacturer | TWTADE |
| Material | Copper |
| Maximum Switching Current | 25 Amps |
| Measurement System | Metric |
| Minimum Switching Voltage | 3 Volts (DC) |
| Mounting Type | DIN Rail Mount |
| Operation Mode | Automatic |
| Package Dimensions | 5.39 x 4.13 x 2.64 inches |
| Part Number | SSR |
| Size | DC to DC 25A |
| UPC | 635648190419 |
| Wattage | 800 watts |

## Product Details

- **Connector Type:** Screw
- **Contact Material:** Silver
- **Contact Type:** Normally Open
- **Current Rating:** 25 Amps
- **Mounting Type:** DIN Rail Mount

## Images

![SSR-25DD+Heat Sink - Image 1](https://m.media-amazon.com/images/I/71LvdBB1MgL.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ Good relays after a year of use
*by S***E on November 24, 2025*

I have two of these in enclosed but outdoor locations. Working well after over a year.

### ⭐⭐⭐⭐⭐ So far so good
*by R***E on October 5, 2022*

I'm using two of these to control a 110v 1300watt heating pad that draws around 11amps and a 110v 550watt 5amp 635cfm exhaust fan. I havent ran the heating pad yet, but the fan does great. I have the heatsinks cooled by a 24v fan and 150c thermal fuses fixed to both of them in case they fail. If I ever have any issues, I'll report back with updates. Edit: I guess I should mention I'm triggering them with 24v DC off of a PSU. Low voltage side is negative from the SSR to the negative on the PSU and positive from the PSU to a switch to the SSR. 110v side interrupts the LINE wire for the exhaust fan.

### ⭐⭐⭐⭐⭐ It works reliably for one year now
*by P***D on May 8, 2021*

I use it in the garage ceiling to control multiple LED light bulbs from the light output of the garage opener. It works reliably for a year now. As one may know, if you use LED bulbs for the garage opener light, it decreases the range of the openers (if they work at all) and in time it will burn the internal wireless controller of the garage door opener. The solid state relay I use it as a 'separator' to route the AC circuit of 3 LED bulbs directly from the 120V house circuit and command it with the garage door opener. I mounted it in the garage ceiling and almost forgot about it. Now my garage openers range from the cars is more than 150 ft.

## Frequently Bought Together

- TWTADE SSR-25 DD 25A DC 3-32V to DC 5-60V SSR Solid State Relay + Heat Sink
- uxcell Refrigeration Tubing 1/8" OD x 5/64" ID x 6.5 Ft Length Soft Coil Copper Tubing
- uxcell Fiberglass Heat Shield Sleeve 3mm(1/8-inch) ID x 2.97ft Adjustable PVC Silicone Fiberglass Sleeve Pipe

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*Product available on Desertcart Vietnam*
*Store origin: VN*
*Last updated: 2026-02-20*