---
product_id: 449390502
title: "12V-110V DC Miniature Circuit Breaker, 125 Amp 1 Pole Battery Breaker Protector for Solar PV System and RV, Thermal Magnetic Trip, DIN Rail Mount, High Current DC Disconnect Switch MCB 1P B125"
brand: "chtaixi"
price: "₨519"
currency: SCR
in_stock: true
url: https://www.desertcart.sc/products/449390502-12v-110v-dc-miniature-circuit-breaker-125-amp-1-pole
store_origin: SC
region: Seychelles
---

# 125A Power Rating 1 Pole Design DIN Rail Mount 12V-110V DC Miniature Circuit Breaker, 125 Amp 1 Pole Battery Breaker Protector for Solar PV System and RV, Thermal Magnetic Trip, DIN Rail Mount, High Current DC Disconnect Switch MCB 1P B125

**Brand:** chtaixi
**Price:** ₨519
**Availability:** ✅ In Stock

## Summary

> 🔋 Power Up Your Safety with Style!

## Quick Answers

- **What is this?** 12V-110V DC Miniature Circuit Breaker, 125 Amp 1 Pole Battery Breaker Protector for Solar PV System and RV, Thermal Magnetic Trip, DIN Rail Mount, High Current DC Disconnect Switch MCB 1P B125 by chtaixi
- **How much does it cost?** ₨519 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sc](https://www.desertcart.sc/products/449390502-12v-110v-dc-miniature-circuit-breaker-125-amp-1-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

- • **Durable Quality:** Crafted with silver alloy contacts and flame-retardant materials for longevity.
- • **Easy Installation:** Designed for hassle-free setup with screw clamp wires and DIN rail compatibility.
- • **Unmatched Protection:** Safeguard your power distribution with overload and short-circuit defense.
- • **Versatile Applications:** Perfect for solar PV systems, RVs, and battery power setups.
- • **Advanced Arc Extinguishing:** Equipped with a magnetic system for superior arc management.

## Overview

The 12V-110V DC Miniature Circuit Breaker is a robust 125 Amp, 1 Pole battery breaker protector designed for solar PV systems and RVs. Featuring thermal magnetic trip technology, it ensures reliable protection against overloads and short circuits. Its durable construction includes silver alloy contacts and a flame-retardant shell, making it ideal for various DC applications. Installation is a breeze with its screw clamp wires and 35mm DIN rail mount.

## Description

12V-110V DC Miniature Circuit Breaker, 125 Amp 1 Pole Battery Breaker Protector for Solar PV System and RV, Thermal Magnetic Trip, DIN Rail Mount, High Current DC Disconnect Switch MCB 1P B125

## Features

- FUNCTIONS: Used to protect power distribution facilities from overload and short-circuit damage, and can also be used for control and isolation.
- ARC EXTINGUISHING: This DC circuit breaker has a magnetic system to assist arc extinguishing.
- QUALITY: Silver alloy contacts, flame retardant material shell, color indicator.
- APPLICATION: Used in battery power systems, solar photovoltaic systems, RV, electric moped, or other DC systems.
- INSTALLATION: Screw clamp wires, 35mm DIN rail mount.

## Product Details

- **Brand:** CHTAIXI
- **Current Rating:** 125 Amps
- **Circuit Breaker Type:** Standard
- **Mounting Type:** DIN Rail Mount
- **Number Of Poles:** 1

## Images

![12V-110V DC Miniature Circuit Breaker, 125 Amp 1 Pole Battery Breaker Protector for Solar PV System and RV, Thermal Magnetic Trip, DIN Rail Mount, High Current DC Disconnect Switch MCB 1P B125 - Image 1](https://m.media-amazon.com/images/I/51oFOKTNfSL.jpg)

## Available Options

This product comes in different **Part Number, Model, Style** options.

## Questions & Answers

**Q: Why does it have a neg and positive marking.. .usually you just interrupt the positive in this case with single pole?**
A: Yes, usually you just interrupt the positive with single pole. DC is directional, so by marking positive and negative poles, and wiring according to the markings, you will clear that the DC direction is from circuit breaker bottom to top, which is easy to maintain.

**Q: What end  top or bottom does the load connect to on a single pole breaker ?    The breaker has a plus sign and a minus sign  that is useless.**
A: The load is generally connect on the top of the circuit breaker,  DC direction is from the bottom of the circuit breaker to the top.

**Q: what wire size is accepted?**
A: a wire size that is rated at 100amp.

**Q: Do you connect the battery to the top or bottom ?**
A: There are polarity markings on the body of the switch. I connected the dc power lines accordingly.

## Frequently Bought Together

- Chtaixi 12V-110V DC Miniature Circuit Breaker, 125 Amp 1 Pole Battery Breaker Protector for Solar PV System and RV, Thermal Magnetic Trip, DIN Rail Mount, High Current DC Disconnect Switch MCB 1P B125
- CHTAIXI DC Miniature Circuit Breaker, 2 Pole 1000V 63 Amp Isolator for Solar PV System, Thermal Magnetic Trip, DIN Rail Mount, Chtaixi DC Disconnect Switch C63
- MOLLOM 8 Way Circuit Breaker MCB Distribution Protection Box with DIN Rail, IP65 Waterproof,for Indoor and Outdoor

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**Shop now:** [https://www.desertcart.sc/products/449390502-12v-110v-dc-miniature-circuit-breaker-125-amp-1-pole](https://www.desertcart.sc/products/449390502-12v-110v-dc-miniature-circuit-breaker-125-amp-1-pole)

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*Product available on Desertcart Seychelles*
*Store origin: SC*
*Last updated: 2026-03-09*