--- product_id: 126230897 title: "TWTADE SSR-25 DD 25A DC 3-32V to DC 5-60V SSR Solid State Relay + Heat Sink" brand: "twtade" price: "R469" currency: ZAR in_stock: true reviews_count: 10 category: "Twtade" url: https://www.desertcart.co.za/products/126230897-twtade-ssr-25-dd-25a-dc-3-32v-to-dc store_origin: ZA region: South Africa --- # 25A max current 3-32V input voltage range Integrated heat sink included TWTADE SSR-25 DD 25A DC 3-32V to DC 5-60V SSR Solid State Relay + Heat Sink **Brand:** twtade **Price:** R469 **Availability:** ✅ In Stock ## Summary > ⚡ Stay switched on with the SSR that means business! ## Quick Answers - **What is this?** TWTADE SSR-25 DD 25A DC 3-32V to DC 5-60V SSR Solid State Relay + Heat Sink by twtade - **How much does it cost?** R469 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/126230897-twtade-ssr-25-dd-25a-dc-3-32v-to-dc) ## 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 & Reliable:** Silver contact material ensures long-lasting, stable switching with minimal wear - • **Cool Under Pressure:** Comes with a robust heat sink to prevent overheating during heavy use - • **Sensitive Triggering:** Activates with less than 20mA input current for precise control - • **Powerhouse Performance:** Handles up to 25A continuous current for demanding industrial loads - • **Wide Voltage Compatibility:** Operates seamlessly from 3V to 32V input and switches 5V to 60V output ## Overview The TWTADE SSR-25 DD is a solid state relay designed for high-current DC applications, supporting up to 25A and input voltages from 3 to 32V DC. It includes a heat sink for efficient thermal management, ensuring stable operation without overheating. Ideal for professionals seeking reliable, sensitive, and durable switching solutions in industrial or advanced DIY projects. ## Description About us Our company's principle is "service first, quality first". Our products include relays, potentiometers, rocker switches, tactile switches, toggle switches, selector switches, emergency stop switches, limit switches, push button switches, thermocouples, counters, etc. About us Our company's principle is "service first, quality first". Our products include relays, potentiometers, rocker switches, tactile switches, toggle switches, selector switches, emergency stop switches, limit switches, push button switches, thermocouples, counters, etc. Power Relay Visit the Store Power Relay Visit the Store Valve Core Visit the Store Valve Core Various Product Visit the Store Various Product Toggle Switch Visit the Store Toggle Switch Rocker Switch Visit the Store Rocker Switch Polarity Reverse Switch Visit the Store Polarity Reverse Switch Push Button Switch Visit the Store Push Button Switch Potentiometer Visit the Store Potentiometer Tactile Switch Visit the Store Tactile Switch Limit Switch Visit the Store Limit Switch Review: Reliable and Stable Performance Since 2023 - It has been working very well since I installed it in 2023. The wiring was straightforward and it has remained stable during continuous use. I haven’t experienced any failures or overheating. Good quality for the price. I would definitely buy it again. ⭐⭐⭐⭐⭐ Review: Works properly. - Works with less than 20 mA input. Not all relays are this sensitive. ## 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 | | Best Sellers Rank | #151,571 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #54 in Solid State Relays | | Brand | TWTADE | | Brand Name | 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 out of 5 stars 65 Reviews | | Manufacturer | TWTADE | | Maximum Switching Current | 25 Amps | | Minimum Switching Voltage | 3 Volts (DC) | | Model | SSR | | Mounting Type | DIN Rail Mount | | Operation Mode | Automatic | | Part Number | SSR | | 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 ![TWTADE SSR-25 DD 25A DC 3-32V to DC 5-60V SSR Solid State Relay + Heat Sink - Image 1](https://m.media-amazon.com/images/I/71LvdBB1MgL.jpg) ![TWTADE SSR-25 DD 25A DC 3-32V to DC 5-60V SSR Solid State Relay + Heat Sink - Image 2](https://m.media-amazon.com/images/I/71DBrL1vjSL.jpg) ![TWTADE SSR-25 DD 25A DC 3-32V to DC 5-60V SSR Solid State Relay + Heat Sink - Image 3](https://m.media-amazon.com/images/I/61DMBF4D3wL.jpg) ![TWTADE SSR-25 DD 25A DC 3-32V to DC 5-60V SSR Solid State Relay + Heat Sink - Image 4](https://m.media-amazon.com/images/I/61gKxyjhKVL.jpg) ![TWTADE SSR-25 DD 25A DC 3-32V to DC 5-60V SSR Solid State Relay + Heat Sink - Image 5](https://m.media-amazon.com/images/I/61tzGnPctmL.jpg) ## Available Options This product comes in different **Size** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Reliable and Stable Performance Since 2023 *by S***A on February 24, 2026* It has been working very well since I installed it in 2023. The wiring was straightforward and it has remained stable during continuous use. I haven’t experienced any failures or overheating. Good quality for the price. I would definitely buy it again. ⭐⭐⭐⭐⭐ ### ⭐⭐⭐⭐⭐ Works properly. *by J***E on January 15, 2021* Works with less than 20 mA input. Not all relays are this sensitive. ### ⭐⭐⭐⭐ Good for high current *by L***K on August 10, 2024* Nice soft shutoff I like Value ## 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 --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.co.za/products/126230897-twtade-ssr-25-dd-25a-dc-3-32v-to-dc](https://www.desertcart.co.za/products/126230897-twtade-ssr-25-dd-25a-dc-3-32v-to-dc) --- *Product available on Desertcart South Africa* *Store origin: ZA* *Last updated: 2026-05-31*