--- product_id: 15098897 title: "Lightobject ESSR-40DAC Solid State Relay DC In AC Out 40 amp" brand: "lightobject" price: "€ 29.83" currency: EUR in_stock: true reviews_count: 8 url: https://www.desertcart.be/products/15098897-lightobject-essr-40dac-solid-state-relay-dc-in-ac-out store_origin: BE region: Belgium --- # 40A power handling No signal noise 3V-32V DC input Lightobject ESSR-40DAC Solid State Relay DC In AC Out 40 amp **Brand:** lightobject **Price:** € 29.83 **Availability:** ✅ In Stock ## Summary > 🔌 Power Up Your Projects with Confidence! ## Quick Answers - **What is this?** Lightobject ESSR-40DAC Solid State Relay DC In AC Out 40 amp by lightobject - **How much does it cost?** € 29.83 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.be](https://www.desertcart.be/products/15098897-lightobject-essr-40dac-solid-state-relay-dc-in-ac-out) ## Best For - lightobject enthusiasts ## Why This Product - Trusted lightobject brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Reliable Quality:** Crafted in China with precision engineering for dependable performance. - • **Durable Performance:** Experience longevity with no mechanical movement. - • **User-Friendly Design:** Effortless installation and operation for all skill levels. - • **Versatile Applications:** Perfect for temperature controllers, heaters, small ovens, furnaces, and kilns. - • **Whisper-Quiet Operation:** Enjoy a noise-free environment with zero signal interference. ## Overview The ESSR-40DAC Solid State Relay is a high-performance device designed for seamless DC to AC conversion, capable of handling up to 40 amps. With no mechanical parts, it ensures a longer lifespan and operates silently, making it ideal for various applications including temperature control and heating systems. ## Description Lightobject ESSR-40DAC Solid State Relay DC In AC Out 40 amp ## Features - No mechanical movement so it lasts longer. No signal noise. Easy to use. Ideal for Temperature Controller, Heater, small oven, Furnace, and Kiln - Input: 3V-32V DC - Made in China ## Images ![Lightobject ESSR-40DAC Solid State Relay DC In AC Out 40 amp - Image 1](https://m.media-amazon.com/images/I/81Hq0Hyq+QL.jpg) ![Lightobject ESSR-40DAC Solid State Relay DC In AC Out 40 amp - Image 2](https://m.media-amazon.com/images/I/315FnSLTGhL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Quiet, reliable operation *by D***N on October 26, 2013* What else is there to say. It works quite well for it's intended purpose. Be sure you add a heat sink and heat conductor paste. I use them for controlling a small chiller and heating elements for brewing. Have not had one fail yet. ### ⭐⭐⭐⭐ Keep it cool! Good for 1/2 the rated capacity *by M***T on August 14, 2014* Lasted about 6 months before overheating @ 110v 15amp draw for 30 hours continuous load properly heat-sinked but in hot environment. Seems to be a decent quality product overall, especially at this price point.The reason for failure was an excessively hot environment in my Softub enclosed in a metal case with no ventilation. It had a heatsink but evidently wasn't enough when on for 30 hours straight in 90 degree weather (outdoors).It's not the product's fault, I just need to vent it better or add a fan to help cool it properly. Only reason for 4 stars instead of 5 is because I expected it to not have heat problems when drawing less than 1/2 the rated amperage and 1/3 of the rated voltage.Bottom line: Don't trust the labeled ratings, keep it about half the ratings for amps, in a vented environment with a heat sink and you will be fine. I ordered 2 more knowing the limitations and won't think twice about buying more. ### ⭐ Worthless junk! Working on a project with this and ... *by P***S on February 15, 2015* Worthless junk!Working on a project with this and tested my wiring with the relay triggered to make sure I had everything wired up correctly. I then disconnected the input trigger voltage making sure the power would cut out. It did not. I tested the relay completely disconnected from everything and there is continuity between leads one and two. I never used any voltages outside of the range, I only used 9 volts DC on terminals 3 and 4 with 110 VAC on terminals 1 & 2. This is junk and it does not work. ## Frequently Bought Together - Lightobject ESSR-40DAC Solid State Relay DC In AC Out 40 amp - 5/16" ID Silicon Tubing, JoyTube Food Grade Silicon Tubing 5/16" ID x 7/16" OD 50 Feet High Temp Pure Silicone Hose Tube for Home Brewing Winemaking --- ## 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.be/products/15098897-lightobject-essr-40dac-solid-state-relay-dc-in-ac-out](https://www.desertcart.be/products/15098897-lightobject-essr-40dac-solid-state-relay-dc-in-ac-out) --- *Product available on Desertcart Belgium* *Store origin: BE* *Last updated: 2026-05-04*