---
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: "3541 kr"
currency: DKK
in_stock: true
reviews_count: 8
category: "Dihool"
url: https://www.desertcart.dk/products/603670124-dihool-400-amp-dc-circuit-breaker-2p-1500v-20ka-heavy
store_origin: DK
region: Denmark
---

# 400A heavy-duty current rating 1500V high-voltage DC 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:** 3541 kr
**Availability:** ✅ In Stock

## Summary

> ⚡ Break limits, not circuits — power your future with DIHOOL!

## 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?** 3541 kr with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.dk](https://www.desertcart.dk/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.
- • **Powerhouse Performance:** Handles up to 400 Amps with robust thermal magnetic trip technology for precise overload protection.
- • **Solar-Ready & Versatile:** Engineered for solar, battery banks, RVs, and marine setups with easy screw-mount installation.
- • **Silver-Enhanced Durability:** 50% silver in moving and 85% in stationary contacts for unmatched conductivity and corrosion resistance.
- • **Ultimate High-Voltage Shield:** Operates safely at 1500V with a massive 20kA breaking capacity to safeguard your critical systems.

## Overview

The DIHOOL 400 Amp DC Circuit Breaker is a heavy-duty, 2-pole disconnect switch designed for high-power DC systems up to 1500V. Featuring advanced thermal magnetic trip technology and silver-enriched contacts, it delivers reliable overload and short-circuit protection with a 20kA breaking capacity. Ideal for solar installations, battery banks, and demanding electrical setups, it ensures safety and durability in critical applications.

## 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: Es de materiar resistente
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 | #86,461 in Automotive ( See Top 100 in Automotive ) #103 in Automotive Replacement Circuit Breaker Switches |
| Brand | DIHOOL |
| Circuit Breaker Type | Standard |
| Current Rating | 400 Amps |
| Date First Available | September 19, 2023 |
| Item Weight | 12.54 pounds |
| Item model number | DHM3Z-400A |
| Manufacturer | DIHOOL ELECTRIC |
| Mounting Type | Screw Mount |
| Number Of Poles | 2 |
| Product Dimensions | 7.88"D x 11.81"W x 7.26"H |

## 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

### ⭐⭐⭐⭐⭐ Review
*by P***D on January 27, 2026*

Es de materiar resistente

### ⭐⭐⭐⭐⭐ 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.

### ⭐⭐⭐⭐⭐ Nice
*by A***7 on November 3, 2025*

Well built, solid breaker, quality appears to be good. I’d recommend.

## 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

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**Shop now:** [https://www.desertcart.dk/products/603670124-dihool-400-amp-dc-circuit-breaker-2p-1500v-20ka-heavy](https://www.desertcart.dk/products/603670124-dihool-400-amp-dc-circuit-breaker-2p-1500v-20ka-heavy)

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*Product available on Desertcart Denmark*
*Store origin: DK*
*Last updated: 2026-03-14*