---
product_id: 94046935
title: "MQ240 QO Replacement 40-Amp Double Pole Circuit Breaker"
brand: "murray"
price: "1345972₫"
currency: VND
in_stock: true
reviews_count: 1
category: "Murray"
url: https://www.desertcart.vn/products/94046935-mq240-qo-replacement-40-amp-double-pole-circuit-breaker
store_origin: VN
region: Vietnam
---

# 40 Amps power capacity Double pole 120/240V common trip UL Classified safety certified MQ240 QO Replacement 40-Amp Double Pole Circuit Breaker

**Brand:** murray
**Price:** 1345972₫
**Availability:** ✅ In Stock

## Summary

> ⚡ Upgrade your panel, power your peace of mind!

## Quick Answers

- **What is this?** MQ240 QO Replacement 40-Amp Double Pole Circuit Breaker by murray
- **How much does it cost?** 1345972₫ with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/94046935-mq240-qo-replacement-40-amp-double-pole-circuit-breaker)

## Best For

- murray enthusiasts

## Why This Product

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

## Key Features

- • **Snap & Secure:** Easy plug-in mount with 3/4-inch snap-on to QO bus bars for quick installation
- • **Dual-Pole Precision:** Double pole design delivers balanced 120/240-Volt common trip safety
- • **Seamless Compatibility:** Specifically designed for QO panels ensuring perfect fit and function
- • **Power Up with Confidence:** Reliable 40-Amp rating for robust electrical protection
- • **Certified Safety Assurance:** UL Classified and Type QD breaker for trusted, code-compliant performance

## Overview

The Murray MQ240 QO Replacement 40-Amp Double Pole Circuit Breaker is a UL Classified, plug-in mount breaker designed for Square D QO panels. It features a 40-Amp current rating with a double pole 120/240-Volt common trip, ensuring reliable and safe electrical circuit protection. Its compact 3/4-inch snap-on design allows for easy installation and expansion of existing electrical systems.

## Description

Murray QO replacement breakers are UL listed for use in Square D QO brand load centers and are ideal for replacement of existing breakers or if expansion circuits are required. These 3/4-Inch breaker snap on to the QO type bus bars.

Review: This breaker was for a Square D panel - This breaker was for a Square D panel

## Features

- UL Classified breaker
- For use in QO panels
- Double pole, 120/240-Volt common trip
- UL Type QD breaker

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B000IOFH42 |
| Batteries Required? | No |
| Best Sellers Rank | #923,158 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #813 in Miniature Circuit Breakers |
| Brand | Murray |
| Circuit Breaker Type | Standard |
| Current Rating | 40 Amps |
| Customer Reviews | 3.0 3.0 out of 5 stars (2) |
| Date First Available | September 14, 2004 |
| Global Trade Identification Number | 00040892528220 |
| Included Components | Electrical & Heating;Rough Electrical;arc-fault-circuit-breakers |
| Item Package Quantity | 1 |
| Item Weight | 8.5 ounces |
| Item model number | MQ240 |
| Manufacturer | Siemens -HI |
| Mounting Type | Plug-In Mount |
| Number Of Poles | 2 |
| Part Number | MQ240 |
| Product Dimensions | 3 x 3 x 2 inches |
| UPC | 040892528220 |
| Voltage | 240 Volts |

## Product Details

- **Brand:** Murray
- **Circuit Breaker Type:** Standard
- **Current Rating:** 40 Amps
- **Mounting Type:** Plug-In Mount
- **Number Of Poles:** 2

## Images

![MQ240 QO Replacement 40-Amp Double Pole Circuit Breaker - Image 1](https://m.media-amazon.com/images/I/71cFd2IbvYL.jpg)

## Customer Reviews

### ⭐ This breaker was for a Square D panel
*by P***K on March 17, 2021*

This breaker was for a Square D panel

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---

*Product available on Desertcart Vietnam*
*Store origin: VN*
*Last updated: 2026-03-14*