---
product_id: 431154997
title: "AC Miniature Circuit Breaker, 40 Amp 120V/240V 2 Pole DIN Rail Mount Circuit Breaker, Thermal Magnetic Trip, Solar AC Disconnect Switch MCB C40"
brand: "chtaixi"
price: "€ 26.20"
currency: EUR
in_stock: true
reviews_count: 13
category: "Chtaixi"
url: https://www.desertcart.fr/products/431154997-ac-miniature-circuit-breaker-40-amp-120v-240v-2-pole
store_origin: FR
region: France
---

# 40A high current rating Thermal magnetic trip protection Easy DIN rail installation AC Miniature Circuit Breaker, 40 Amp 120V/240V 2 Pole DIN Rail Mount Circuit Breaker, Thermal Magnetic Trip, Solar AC Disconnect Switch MCB C40

**Brand:** chtaixi
**Price:** € 26.20
**Availability:** ✅ In Stock

## Summary

> ⚡ Protect your power like a pro — safety that’s smart, sleek, and solar-ready!

## Quick Answers

- **What is this?** AC Miniature Circuit Breaker, 40 Amp 120V/240V 2 Pole DIN Rail Mount Circuit Breaker, Thermal Magnetic Trip, Solar AC Disconnect Switch MCB C40 by chtaixi
- **How much does it cost?** € 26.20 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.fr](https://www.desertcart.fr/products/431154997-ac-miniature-circuit-breaker-40-amp-120v-240v-2-pole)

## Best For

- chtaixi enthusiasts

## Why This Product

- Trusted chtaixi brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Dual Voltage Compatibility:** Seamlessly supports both 120V and 240V AC circuits for versatile applications.
- • **Space-Savvy DIN Rail Mount:** Compact 2-pole design fits snugly on standard 35mm rails, optimizing your panel layout.
- • **Power-Packed 40 Amp Capacity:** Handles heavy-duty loads with ease, perfect for demanding home or solar setups.
- • **Durable Silver Alloy Contacts:** Ensures long-lasting conductivity and flame-retardant shell for enhanced safety and reliability.
- • **Precision Thermal Magnetic Trip:** Instantly reacts to overloads and short circuits, safeguarding your system with smart sensitivity.

## Overview

The Chtaixi 40 Amp Miniature Circuit Breaker is a robust 2-pole device designed for 120V/240V AC systems, featuring thermal magnetic trip technology for rapid overload and short circuit protection. Its compact DIN rail mount design, silver alloy contacts, and flame-retardant shell make it an ideal, reliable choice for solar installations, RVs, and home electrical circuits.

## Description

Chtaixi AC Miniature Circuit Breaker, 40 Amp 120V/240V 2 Pole DIN Rail Mount Circuit Breaker, Thermal Magnetic Trip, Solar AC Disconnect Switch MCB C40: desertcart.com: Tools & Home Improvement

Review: ✨✨ Reliable and great quality for the price - I bought this CHTAIXI 32-amp breaker for an electrical project, and I’m honestly impressed with the quality. Installation was easy, it fits perfectly on the DIN rail, and the screws are solid. I’ve been using it for several weeks now and it works very well—no overheating or strange noises. The switch feels smooth when turning it on and off, and the overall build looks durable. I also appreciate that it’s clearly labeled and has good thermal and magnetic sensitivity, which adds extra safety to the setup. For the price, it’s an excellent option, especially for solar systems or home installations that need a reliable MCB.
Review: • “Reliable and Well-Built 40A Circuit Breaker” • “Great Quality and Easy to Install!” - I purchased the Chtaixi 40A Miniature AC Circuit Breaker for my electrical setup, and it has performed perfectly so far. The build quality feels solid and reliable, and the installation was straightforward — it fit perfectly into the panel without any issues. It provides stable protection and consistent performance, with quick response to overloads or short circuits. I also appreciate the compact design, which saves space while maintaining full functionality.

## Features

- FUNCTIONS: Used to protect 110V 120V 220V 230V AC circuit from overload and short circuit damage, and can also be used for control and isolation.
- CURVE C: Magnetic trip range 5-10 times rated current.
- QUALITY: Silver alloy contacts, flame retardant material shell, color indicator.
- APPLICATION: Can be used in solar ac systems, RV, home circuits, or other 50/60Hz AC systems.
- INSTALLATION: Screw clamp wires, 35mm DIN rail mount.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B09TVT4CW1 |
| Best Sellers Rank | #4,833 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #1 in Miniature Circuit Breakers |
| Brand | CHTAIXI |
| Circuit Breaker Type | Standard |
| Current Rating | 40 Amps |
| Date First Available | April 18, 2022 |
| Item Weight | 6.3 ounces |
| Item model number | DZ47N-63 |
| Manufacturer | CHTAIXI |
| Mounting Type | DIN Rail Mount |
| Number Of Poles | 2 |
| Product Dimensions | 2.95"D x 1.42"W x 3.15"H |
| Voltage | 240 Volts |

## Product Details

- **Brand:** CHTAIXI
- **Circuit Breaker Type:** Standard
- **Current Rating:** 40 Amps
- **Mounting Type:** DIN Rail Mount
- **Product Dimensions:** 2.95"D x 1.42"W x 3.15"H

## Images

![AC Miniature Circuit Breaker, 40 Amp 120V/240V 2 Pole DIN Rail Mount Circuit Breaker, Thermal Magnetic Trip, Solar AC Disconnect Switch MCB C40 - Image 1](https://m.media-amazon.com/images/I/61jBz9qS1sL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ ✨✨ Reliable and great quality for the price
*by S***O on November 19, 2025*

I bought this CHTAIXI 32-amp breaker for an electrical project, and I’m honestly impressed with the quality. Installation was easy, it fits perfectly on the DIN rail, and the screws are solid. I’ve been using it for several weeks now and it works very well—no overheating or strange noises. The switch feels smooth when turning it on and off, and the overall build looks durable. I also appreciate that it’s clearly labeled and has good thermal and magnetic sensitivity, which adds extra safety to the setup. For the price, it’s an excellent option, especially for solar systems or home installations that need a reliable MCB.

### ⭐⭐⭐⭐⭐ • “Reliable and Well-Built 40A Circuit Breaker” • “Great Quality and Easy to Install!”
*by L***A on November 4, 2025*

I purchased the Chtaixi 40A Miniature AC Circuit Breaker for my electrical setup, and it has performed perfectly so far. The build quality feels solid and reliable, and the installation was straightforward — it fit perfectly into the panel without any issues. It provides stable protection and consistent performance, with quick response to overloads or short circuits. I also appreciate the compact design, which saves space while maintaining full functionality.

### ⭐⭐⭐⭐⭐ Seguridad y protección
*by P***L on January 1, 2026*

This product is very good. I'm using it in my home and it works perfectly, providing protection and security for your house.

## Frequently Bought Together

- Chtaixi AC Miniature Circuit Breaker, 40 Amp 120V/240V 2 Pole DIN Rail Mount Circuit Breaker, Thermal Magnetic Trip, Solar AC Disconnect Switch MCB C40
- MOLLOM 2 Way Circuit Breaker MCB Distribution Protection Box with DIN Rail, IP65 Waterproof,for Indoor and Outdoor
- Chtaixi AC Miniature Circuit Breaker, 20 Amp 120V/240V 1 Pole DIN Rail Mount Circuit Breaker, Thermal Magnetic Trip, Solar AC Disconnect Switch MCB C20

---

## 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.fr/products/431154997-ac-miniature-circuit-breaker-40-amp-120v-240v-2-pole](https://www.desertcart.fr/products/431154997-ac-miniature-circuit-breaker-40-amp-120v-240v-2-pole)

---

*Product available on Desertcart France*
*Store origin: FR*
*Last updated: 2026-01-26*