---
product_id: 240408451
title: "Square D Plug in Circuit Breaker, QO, Number of Poles 3, 45 Amps, 240VAC, Standard"
brand: "cai - square d"
price: "€ 161.12"
currency: EUR
in_stock: true
category: "Cai   Square D"
url: https://www.desertcart.hr/products/240408451-square-d-plug-in-circuit-breaker-qo-number-of-poles
store_origin: HR
region: Croatia
---

# Square D Plug in Circuit Breaker, QO, Number of Poles 3, 45 Amps, 240VAC, Standard

**Brand:** cai - square d
**Price:** € 161.12
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** Square D Plug in Circuit Breaker, QO, Number of Poles 3, 45 Amps, 240VAC, Standard by cai - square d
- **How much does it cost?** € 161.12 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/240408451-square-d-plug-in-circuit-breaker-qo-number-of-poles)

## Best For

- cai - square d enthusiasts

## Why This Product

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

## Description

QO (plug-on) thermal-magnetic circuit breakers provide overcurrent protection and switching on ac and dc systems. Item: Plug In Circuit Breaker Amps: 45 Number of Poles: 3 Circuit Breaker Type: Standard AC Voltage Rating: 240VAC DC Voltage Rating: 48VDC For Use With: QO Load Centers and NQOD Panelboards Series: QO Terminal Connection: Box Lug Min. Wire Size: 8 AWG Max. Wire Size: 2 AWG Length: 3.00" Width: 2.25" Depth: 2.91" Standards: UL Listed, CSA Certified Max. AIR Rating: 10 kA

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07J2VPD2L |
| Best Sellers Rank | #1,007,312 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #402 in Thermal Circuit Breakers |
| Brand | CAI - SQUARE D |
| Circuit Breaker Type | Standard |
| Current Rating | 45 Amps |
| Date First Available | October 5, 2018 |
| Item Weight | 0.8 ounces |
| Item model number | QO345 |
| Manufacturer | CAI - SQUARE D |
| Mounting Type | Plug-In Mount |
| Number Of Poles | 3 |
| Product Dimensions | 2.91"D x 2.25"W x 2.91"H |
| UPC | 696334007633 |
| Voltage | 240 Volts |

## Product Details

- **Brand:** CAI - SQUARE D
- **Circuit Breaker Type:** Standard
- **Current Rating:** 45 Amps
- **Mounting Type:** Plug-In Mount
- **Product Dimensions:** 2.91"D x 2.25"W x 2.91"H

## Images

![Square D Plug in Circuit Breaker, QO, Number of Poles 3, 45 Amps, 240VAC, Standard - Image 1](https://m.media-amazon.com/images/I/41W7iGtu5HL.jpg)
![Square D Plug in Circuit Breaker, QO, Number of Poles 3, 45 Amps, 240VAC, Standard - Image 2](https://m.media-amazon.com/images/I/61WrAcgULFL.jpg)

---

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**Shop now:** [https://www.desertcart.hr/products/240408451-square-d-plug-in-circuit-breaker-qo-number-of-poles](https://www.desertcart.hr/products/240408451-square-d-plug-in-circuit-breaker-qo-number-of-poles)

---

*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-01-23*