--- product_id: 253470373 title: "SSR-40AA Solid State Relay AC to AC (Input 80-250V AC Output 24-380V AC) with Heat Sink, 40A" brand: "dmwd" price: "€ 24.29" currency: EUR in_stock: true reviews_count: 10 category: "Dmwd" url: https://www.desertcart.at/products/253470373-ssr-40aa-solid-state-relay-ac-to-ac-input-80 store_origin: AT region: Austria --- # 40A max load current Silent zero-cross switching Built-in heat sink for thermal management SSR-40AA Solid State Relay AC to AC (Input 80-250V AC Output 24-380V AC) with Heat Sink, 40A **Brand:** dmwd **Price:** € 24.29 **Availability:** ✅ In Stock ## Summary > ⚡ Silent power, cool control — the relay that means business. ## Quick Answers - **What is this?** SSR-40AA Solid State Relay AC to AC (Input 80-250V AC Output 24-380V AC) with Heat Sink, 40A by dmwd - **How much does it cost?** € 24.29 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.at](https://www.desertcart.at/products/253470373-ssr-40aa-solid-state-relay-ac-to-ac-input-80) ## Best For - dmwd enthusiasts ## Why This Product - Trusted dmwd brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Built to Last:** Rugged epoxy encapsulation and high dielectric strength (>2.5KV) guarantee durability and safety. - • **Cool Under Pressure:** Integrated heat sink ensures optimal thermal dissipation for reliable, long-lasting operation. - • **Powerhouse Performance:** Handles up to 40A load current with ease, perfect for demanding AC control applications. - • **Whisper-Quiet Switching:** Zero Cross Trigger method eliminates noise and reduces electrical surges for smooth, silent control. - • **Plug-and-Play Compliance:** CE certified and designed for seamless integration with 80-250V AC input and 24-380V AC output. ## Overview The SSR-40AA is a high-reliability single-phase solid state relay designed for AC to AC switching with a wide input voltage range (80-250V AC) and output load capacity up to 40A at 24-380V AC. Featuring a built-in heat sink, zero-cross switching for noise-free operation, and rugged epoxy encapsulation, it offers durable, efficient, and safe control for industrial and scientific applications. ## Description SSR-40AA Solid State Relay AC to AC (Input 80-250V AC Output 24-380V AC) with Heat Sink, 40A: desertcart.com: Industrial & Scientific Review: Quiet, practically silent. - I used this on an old oven converted to be a powder coat paint oven. I have about 15-20 hours of use with no problems. Review: Solid State Relay - Just what I needed all others what twice the price for one piece these came in one package. Took forever to receive. But at least it was cheaper. Still happy ## Features - Model: SSR-40AA, single phase Solid State Relay 60A AC to AC control, CE Compliant to EN60950-1 - Input voltage 80-250V AC, Load voltage 24-380V AC, Max load current 40 Amp - Rugged epoxy encapsulation construction, high isolation over than 50MΩ(500VDC), high dielectric over than 2.5KV, output snubber circuit protection - No EMI/EFI & Low surge by Zero Cross Trigger method, specially suited to control sensitive, capacitive and Non-saturated inductive loads - SSR switches use semiconductor component acts as a switch for the relay, no moving parts inside, no mechanical wear, no action noise, no mechanical failure, and high reliability ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B08FQSCW5D | | Best Sellers Rank | #142,991 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #46 in Solid State Relays | | Date First Available | August 12, 2020 | | Item Weight | 7 ounces | | Item model number | SSR-40AA +SanRePian | | Manufacturer | DMWD | | Package Dimensions | 3.82 x 3.43 x 2.13 inches | ## Images ![SSR-40AA Solid State Relay AC to AC (Input 80-250V AC Output 24-380V AC) with Heat Sink, 40A - Image 1](https://m.media-amazon.com/images/I/519cMxPLxBL.jpg) ## Questions & Answers **Q: What is solid state relay ?** A: Solid-state relay is a new type of electronic relay. Unlike traditional electromagnetic relays, which have mechanical contacts, it utilizes electronic components to control the on-off state of the circuit. **Q: What are the application scenarios of solid-state relays 1?** A: Due to its advantages such as fast response speed, long lifespan, small size, low noise, low energy consumption, and strong resistance to vibration and impact, solid-state relays are widely used in high-frequency and high-speed power control fields **Q: What are the application scenarios of solid-state relays 2 ?** A: such as home automation, LED lighting, medical equipment, industrial automation, solar energy systems, automotive electronics, aerospace and other fields. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Quiet, practically silent. *by R***R on December 11, 2025* I used this on an old oven converted to be a powder coat paint oven. I have about 15-20 hours of use with no problems. ### ⭐⭐⭐⭐ Solid State Relay *by J***K on January 11, 2022* Just what I needed all others what twice the price for one piece these came in one package. Took forever to receive. But at least it was cheaper. Still happy ### ⭐⭐⭐⭐⭐ Poor build quality. *by E***. on September 13, 2025* Won't stay on for very long before it turns itself off but will then again return for nearly as long then come back on later. --- ## 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.at/products/253470373-ssr-40aa-solid-state-relay-ac-to-ac-input-80](https://www.desertcart.at/products/253470373-ssr-40aa-solid-state-relay-ac-to-ac-input-80) --- *Product available on Desertcart Austria* *Store origin: AT* *Last updated: 2026-05-04*