---
product_id: 12929140
title: "QOB3100 SQUARE D Circuit Breaker (QOB) Standard, 100A, 3-Pole, 240 Vac, 3-Phase, Bolt-On"
brand: "square d"
price: "S$198"
currency: SGD
in_stock: true
reviews_count: 6
category: "Square D"
url: https://www.desertcart.sg/products/12929140-qob3100-square-d-circuit-breaker-qob-standard-100a-3-pole
store_origin: SG
region: Singapore
---

# 100A high current capacity 3-pole, 3-phase power control Bolt-on mounting for secure fit QOB3100 SQUARE D Circuit Breaker (QOB) Standard, 100A, 3-Pole, 240 Vac, 3-Phase, Bolt-On

**Brand:** square d
**Price:** S$198
**Availability:** ✅ In Stock

## Summary

> ⚡ Elevate your electrical game with the QOB3100 – power, precision, and peace of mind!

## Quick Answers

- **What is this?** QOB3100 SQUARE D Circuit Breaker (QOB) Standard, 100A, 3-Pole, 240 Vac, 3-Phase, Bolt-On by square d
- **How much does it cost?** S$198 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/12929140-qob3100-square-d-circuit-breaker-qob-standard-100a-3-pole)

## Best For

- square d enthusiasts

## Why This Product

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

## Key Features

- • **Secure & Stable:** Bolt-on mounting guarantees a rock-solid installation every time.
- • **Compact & Lightweight:** At just 1.1 pounds, it’s easy to install without bulk or hassle.
- • **Powerhouse Protection:** Handles up to 100 amps to keep your system safe and sound.
- • **Triple-Phase Efficiency:** 3-pole design ensures balanced, reliable 3-phase power management.
- • **Trusted Brand Reliability:** Square D quality with a 1-year manufacturer warranty for peace of mind.

## Overview

The QOB3100 Square D Circuit Breaker is a standard, 3-pole, 3-phase breaker rated for 100 amps and 240 volts AC. Designed for bolt-on mounting, it offers reliable, compact, and secure circuit protection backed by Square D’s trusted brand and a 1-year warranty.

## Description

QOB3100 SQUARE D Circuit Breaker (QOB) Standard, 100A, 3-Pole, 240 Vac, 3-Phase, Bolt-On

Review: es maniobrable - es de buena calidad me gusto
Review: Perfect - Fit

## Features

- New Surplus - MINIATURE CIRCUIT BREAKER 240V 100A
- QOB3100 SQUARE D Circuit Breaker (QOB) Standard, 100A, 3-Pole, 240 Vac, 3-Phase, Bolt-On

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0052DMJAO |
| Best Sellers Rank | #138,305 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #96 in Miniature Circuit Breakers |
| Brand | Square D |
| Brand Name | Square D |
| Circuit Breaker Type | Standard |
| Current Rating | 100 A |
| Customer Reviews | 4.1 out of 5 stars 42 Reviews |
| Included Components | Breaker |
| Item Type Name | QOB3100 SQUARE D Circuit Breaker (QOB) Standard, 100A, 3-Pole, 240 Vac, 3-Phase, Bolt-On |
| Item Weight | 1.1 pounds |
| Manufacturer | SQUARE D |
| Model | QOB3100 |
| Mounting Type | Bolt-On Mount |
| Number Of Poles | 3 |
| Number of Items | 1 |
| Number of Packs | 1 |
| Number of Poles | 3 |
| Part Number | QOB3100 |
| UPC | 785901019718 |
| Unit Count | 1 Count |
| Voltage | 240 volts |
| Warranty Description | 1 year Manufacturer |

## Product Details

- **Brand:** Square D
- **Circuit Breaker Type:** Standard
- **Current Rating:** 100 A
- **Mounting Type:** Bolt-On Mount
- **Number Of Poles:** 3

## Images

![QOB3100 SQUARE D Circuit Breaker (QOB) Standard, 100A, 3-Pole, 240 Vac, 3-Phase, Bolt-On - Image 1](https://m.media-amazon.com/images/I/61HmlyCOERL.jpg)
![QOB3100 SQUARE D Circuit Breaker (QOB) Standard, 100A, 3-Pole, 240 Vac, 3-Phase, Bolt-On - Image 2](https://m.media-amazon.com/images/I/71J8pzKvHtL.jpg)
![QOB3100 SQUARE D Circuit Breaker (QOB) Standard, 100A, 3-Pole, 240 Vac, 3-Phase, Bolt-On - Image 3](https://m.media-amazon.com/images/I/51G2FmkKJDL.jpg)
![QOB3100 SQUARE D Circuit Breaker (QOB) Standard, 100A, 3-Pole, 240 Vac, 3-Phase, Bolt-On - Image 4](https://m.media-amazon.com/images/I/419mDAulQ9L.jpg)
![QOB3100 SQUARE D Circuit Breaker (QOB) Standard, 100A, 3-Pole, 240 Vac, 3-Phase, Bolt-On - Image 5](https://m.media-amazon.com/images/I/51V44k3zy8L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ es maniobrable
*by J***O on July 5, 2024*

es de buena calidad me gusto

### ⭐⭐⭐⭐⭐ Perfect
*by P***E on October 20, 2023*

Fit

### ⭐⭐⭐⭐ On time shipping and delivery
*by N***C on August 31, 2025*

Very good item

## Frequently Bought Together

- Square D QOB3100 Circuit Breaker (QOB) Standard, 100A, 3-Pole, 240 Vac, 3-Phase, Bolt-On, Black
- Square D - QOB120CP Circuit Breaker, Black

---

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**Shop now:** [https://www.desertcart.sg/products/12929140-qob3100-square-d-circuit-breaker-qob-standard-100a-3-pole](https://www.desertcart.sg/products/12929140-qob3100-square-d-circuit-breaker-qob-standard-100a-3-pole)

---

*Product available on Desertcart Singapore*
*Store origin: SG*
*Last updated: 2026-09-24*