--- product_id: 603670124 title: "DIHOOL 400 Amp DC Circuit Breaker,2P 1500V 20kA,Heavy Duty Battery Disconnect Switch with Thermal Magnetic Trip for Solar System" brand: "dihool" price: "฿20124" currency: THB in_stock: true reviews_count: 8 category: "Dihool" url: https://www.desertcart.co.th/products/603670124-dihool-400-amp-dc-circuit-breaker-2p-1500v-20ka-heavy store_origin: TH region: Thailand --- # 400A heavy-duty current rating 1500V high voltage operation 20kA short-circuit breaking capacity DIHOOL 400 Amp DC Circuit Breaker,2P 1500V 20kA,Heavy Duty Battery Disconnect Switch with Thermal Magnetic Trip for Solar System **Brand:** dihool **Price:** ฿20124 **Availability:** ✅ In Stock ## Summary > ⚡ Break Limits, Not Circuits — Power Your Future Safely! ## Quick Answers - **What is this?** DIHOOL 400 Amp DC Circuit Breaker,2P 1500V 20kA,Heavy Duty Battery Disconnect Switch with Thermal Magnetic Trip for Solar System by dihool - **How much does it cost?** ฿20124 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.th](https://www.desertcart.co.th/products/603670124-dihool-400-amp-dc-circuit-breaker-2p-1500v-20ka-heavy) ## Best For - dihool enthusiasts ## Why This Product - Trusted dihool brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Dual-Sided Safety:** Bidirectional trip protects both supply and load sides, eliminating fire risks. - • **Precision Protection:** Thermal magnetic trip technology ensures accurate response to electrical faults. - • **Powerhouse Performance:** Handles up to 400 Amps with robust overload and short-circuit protection. - • **Plug & Play Versatility:** Easy screw-mount installation fits solar, battery, marine, and automotive DC systems seamlessly. - • **Silver-Enhanced Durability:** 50% silver in moving and 85% in stationary contacts for superior conductivity and corrosion resistance. ## Overview The DIHOOL 400 Amp DC Circuit Breaker is a heavy-duty, 2-pole disconnect switch designed for high-power DC applications up to 1500V. Featuring a 20kA breaking capacity and advanced thermal magnetic trip technology, it offers reliable overload and short-circuit protection. Silver-enriched contacts ensure durability and conductivity, making it ideal for solar systems, battery banks, and industrial DC setups. ## Description DIHOOL 400 Amp DC Circuit Breaker,2P 1500V 20kA,Heavy Duty Battery Disconnect Switch with Thermal Magnetic Trip for Solar System: desertcart.com: Tools & Home Improvement Review: Solid - Great disconnect with remote trip capability. Additional remote trip solenoid needs to be purchased. Review: HEAVY Duty breaker for DC systems - This is a beefy heavy duty breaker. I am using it combined with a T-class fuse between my battery bank and my 5k solar inverter. I like that it includes lugs for my battery cables. ## Features - Bidirectional Switch:can effectively trip in the event of a short circuit on both the supply side and the load side, preventing overheating or fire risks. - High-Capacity DC Circuit Breaker: Designed for heavy-duty applications, this 160 Amp DC circuit breaker provides reliable overload and short-circuit protection, ensuring safe operation of your electrical systems. - Thermal Magnetic Trip:Equipped with advanced thermal magnetic trip technology, this breaker offers precise protection against circuit overloads and short circuits, making it ideal for high-power DC systems. - Silver Contacts:Features 50% silver in moving contacts and 85% silver in stationary contacts, ensuring superior conductivity, durability, and resistance to wear and corrosion. - High Voltage & Breaking Capacity:Operates at a working voltage of 1500V, with a short-circuit breaking capacity of 20kA at 1500V. Perfect for demanding applications like solar panels, UPS systems, and datacenters. - Versatile & Easy to Install:Suitable for a wide range of DC applications, including photovoltaic systems, batteries, RVs, marine equipment, and trucks. Mounts easily on panels with screws (size: 125MM x 250MM x 170MM) for secure installation. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0CJB9SN63 | | Best Sellers Rank | #314,381 in Automotive ( See Top 100 in Automotive ) #265 in Automotive Replacement Circuit Breaker Switches | | Brand Name | DIHOOL | | Circuit Breaker Type | Standard | | Current Rating | 400 Amps | | Customer Reviews | 4.7 4.7 out of 5 stars (37) | | Included Components | Arc barrier | | Item Dimensions D x W x H | 7.88"D x 11.81"W x 7.26"H | | Item Weight | 5.7 Kilograms | | Manufacturer | DIHOOL ELECTRIC | | Model | DHM3Z-400A | | Mounting Type | Screw Mount | | Number of Poles | 2 | | Part Number | US-DHM3Z-400A | | Smart Home Compatibility | Not Smart Home Compatible | | Unit Count | 1.0 Count | ## Product Details - **Brand:** DIHOOL - **Circuit Breaker Type:** Standard - **Current Rating:** 400 Amps - **Mounting Type:** Screw Mount - **Product Dimensions:** 7.88"D x 11.81"W x 7.26"H ## Images ![DIHOOL 400 Amp DC Circuit Breaker,2P 1500V 20kA,Heavy Duty Battery Disconnect Switch with Thermal Magnetic Trip for Solar System - Image 1](https://m.media-amazon.com/images/I/61H7HdE2o1L.jpg) ![DIHOOL 400 Amp DC Circuit Breaker,2P 1500V 20kA,Heavy Duty Battery Disconnect Switch with Thermal Magnetic Trip for Solar System - Image 2](https://m.media-amazon.com/images/I/61Y1HuSMX6L.jpg) ![DIHOOL 400 Amp DC Circuit Breaker,2P 1500V 20kA,Heavy Duty Battery Disconnect Switch with Thermal Magnetic Trip for Solar System - Image 3](https://m.media-amazon.com/images/I/61JD38-anZL.jpg) ![DIHOOL 400 Amp DC Circuit Breaker,2P 1500V 20kA,Heavy Duty Battery Disconnect Switch with Thermal Magnetic Trip for Solar System - Image 4](https://m.media-amazon.com/images/I/61GPrHSUYuL.jpg) ![DIHOOL 400 Amp DC Circuit Breaker,2P 1500V 20kA,Heavy Duty Battery Disconnect Switch with Thermal Magnetic Trip for Solar System - Image 5](https://m.media-amazon.com/images/I/61+Al7ZiCjL.jpg) ## Available Options This product comes in different **Lens Color** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Solid *by L***C on April 13, 2026* Great disconnect with remote trip capability. Additional remote trip solenoid needs to be purchased. ### ⭐⭐⭐⭐⭐ HEAVY Duty breaker for DC systems *by P***G on December 30, 2025* This is a beefy heavy duty breaker. I am using it combined with a T-class fuse between my battery bank and my 5k solar inverter. I like that it includes lugs for my battery cables. ### ⭐⭐⭐⭐⭐ Review *by P***D on January 27, 2026* Es de materiar resistente ## Frequently Bought Together - DIHOOL 400A Heavy Duty Battery Disconnect Switch, 400 Amp DC Circuit Breaker 1500V for Solar System - 8pcs 4/0 AWG-3/8" Battery Lugs,Copper Wire Lugs,Heavy Duty Battery Cable Ends,Tubular Ring Terminals,AWG Crimp Wire Ring Lugs,Battery Terminal Connectors with 3:1 Heat Shrink Tubing - DIHOOL 30 Amp Circuit Breaker DIN Rail Mount Solar Disconnect Switch 2P 1000V Miniature Circuit Breaker --- ## 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.th/products/603670124-dihool-400-amp-dc-circuit-breaker-2p-1500v-20ka-heavy](https://www.desertcart.co.th/products/603670124-dihool-400-amp-dc-circuit-breaker-2p-1500v-20ka-heavy) --- *Product available on Desertcart Thailand* *Store origin: TH* *Last updated: 2026-04-28*