--- product_id: 494232931 title: "Solid State Relay SSR-40 DA 40A Input 3-32V DC Output 24-380V AC with Heat Sink for Thermostat Temperature Controller" brand: "coliao" price: "₱1437" currency: PHP in_stock: true reviews_count: 3 category: "Coliao" url: https://www.desertcart.ph/products/494232931-solid-state-relay-ssr-40-da-40a-input-3-32v store_origin: PH region: Philippines --- # 40A high current capacity Wide 24-380V AC output range Includes heat sink for thermal management Solid State Relay SSR-40 DA 40A Input 3-32V DC Output 24-380V AC with Heat Sink for Thermostat Temperature Controller **Brand:** coliao **Price:** ₱1437 **Availability:** ✅ In Stock ## Summary > ⚡ Elevate your control game with silent, powerful switching! ## Quick Answers - **What is this?** Solid State Relay SSR-40 DA 40A Input 3-32V DC Output 24-380V AC with Heat Sink for Thermostat Temperature Controller by coliao - **How much does it cost?** ₱1437 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.ph](https://www.desertcart.ph/products/494232931-solid-state-relay-ssr-40-da-40a-input-3-32v) ## Best For - coliao enthusiasts ## Why This Product - Trusted coliao brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Built to Last:** Corrosion, moisture, and dust resistant for harsh industrial settings - • **Powerhouse Performance:** Handles up to 40A current for robust industrial control - • **Wide Voltage Compatibility:** Supports 3-32V DC input and 24-380V AC output for versatile applications - • **Ready for Precision Control:** Ideal for PID thermostat and automated temperature systems - • **Silent & Spark-Free Switching:** No noise or electric sparks, perfect for sensitive environments ## Overview The SSR-40DA Solid State Relay by Coliao delivers reliable, high-speed DC to AC switching with a 40A current rating and a broad 24-380V AC output range. Designed for industrial-grade temperature controllers and automation systems, it features a compact form factor with an included heat sink for efficient thermal management. Its spark-free, silent operation and resistance to harsh environments make it a must-have for professionals seeking durable and precise control solutions. ## Description SSR-40DA solid state relay is ideal for automatic process control application, a must component for temperature controller and other machinery control system. High reliability, high efficiency and long lifespan, a great part for temperature controller and other machinery control system. Specification: Model: SSR-40 DA Solid State Relay Module Input Voltage:3-32V DC Output Voltage:24-380V AC Output Current:60A Control Method: DC to AC Mounting Method: Bolts fixed On Voltage:<1V One-off time:<10ms Off Leakage current:<2mA Relay Size:63x 44 x 24mm / 2.48 x 1.73 x 0.94" (L*W*H);Heat Sink Size: 8 x 4.9 x 4.9cm/ 3.1 x 1.9 x 1.9" (L*W*H) Package included: 1 * SSR-40DA 40A 250V Solid State Relay+1* Heat Sink Review: It doesn't include screws or thermal paste. Review: Works great to trigger my power amps from my stereo receiver ## Features - 【Model】SSR-40DA 40A 250V Solid State Relay Module, for PID thermostat temperature controller - 【SSR-40DA Parameter】Solid state module relay SSR-40DA, 3-32VDC/24-480VAC, control mode: DC to AC - 【Relay Size】(L*W*H)63×44×24mm/2.48 x 1.73 x 0.94" - 【SSR Application】No electric spark, no noise, high switching speed, especially suitable for corrosion, moisture, dust resistant and other harsh environments. Widely used in many automatic control systems - 【Package Content】 1 x SSR-40 DA solid state relay module, 1 x heat sink ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B09NR5KN8P | | Best Sellers Rank | #265,898 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #1,627 in Temperature Controllers | | Brand | Coliao | | Brand Name | Coliao | | Coil Voltage | 32 Volts (DC) | | Connector Type | Screw | | Contact Current Rating | 40 Amps | | Contact Material | Silver | | Contact Type | Normally Open | | Current Rating | 40 Amps | | Customer Reviews | 4.7 out of 5 stars 20 Reviews | | Manufacturer | Coliao | | Maximum Switching Current | 40 Amps | | Mounting Type | Bolt Mount | | Operation Mode | Automatic | | UPC | 701715495739 | ## Product Details - **Connector Type:** Screw - **Contact Type:** Normally Open - **Current Rating:** 40 Amps - **Mounting Type:** Bolt Mount - **Brand:** Coliao ## Images ![Solid State Relay SSR-40 DA 40A Input 3-32V DC Output 24-380V AC with Heat Sink for Thermostat Temperature Controller - Image 1](https://m.media-amazon.com/images/I/71KifVymWgL.jpg) ## Customer Reviews ### ⭐⭐⭐ It doesn't include screws or thermal paste. *by C***T on 25 June 2025* ### ⭐⭐⭐⭐⭐ Works great to trigger my power amps from my stereo receiver *by S***L on 19 February 2023* ### ⭐⭐⭐⭐⭐ Relay with heat sink. *by L***. on 4 January 2024* ## Frequently Bought Together - Solid State Relay SSR-40DA 40A Input 3-32V DC Output 24-380V AC with Heat Sink for Thermostat Temperature Controller - Inkbird PID Temperature Controller Kit, High Voltage 100ACV to 240ACV, Comes with SSR 40DA Solid State Relay, K Type Thermocouple, and White Heat Sink - DaierTek 30A 250V KCD2 KCD4 Rocker Switch DPST 4 Pin Red Lighted 120V Rocker Toggle Switch ON Off Heavy Duty T125-3Pack --- ## 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.ph/products/494232931-solid-state-relay-ssr-40-da-40a-input-3-32v](https://www.desertcart.ph/products/494232931-solid-state-relay-ssr-40-da-40a-input-3-32v) --- *Product available on Desertcart Philippines* *Store origin: PH* *Last updated: 2026-06-03*