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The Magic Of Square D™ Qo™ And Qob Miniature Circuit Breakers 40a, 2 Pole, 120/240vac Markdown: -55% [Pbm2nFCe]

$42.99 $137.99 -69%

Top-Quality Miniature Circuit Breakers The Square D™ QO™ and QOB Miniature Circuit Breakers are designed to provide superior overcurrent protection and switching capabilities for both AC and DC systems. These reliable devices are the ideal choice for

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The Magic Of Square D™ Qo™ And Qob Miniature Circuit Breakers 40a, 2 Pole, 120/240vac Markdown: -55% [Pbm2nFCe]

Top-Quality Miniature Circuit Breakers

The Square D™ QO™ and QOB Miniature Circuit Breakers are designed to provide superior overcurrent protection and switching capabilities for both AC and DC systems. These reliable devices are the ideal choice for a wide range of electrical applications. With their robust construction and advanced features, these circuit breakers are built to last and ensure the safety of your electrical installations.

Key Features and Specifications

The QO and QOB circuit breakers offer a host of features that make them stand out from the competition. Key highlights include:

  • Over center, trip-free toggle mechanism for easy operation.
  • Quick make, quick break action for efficient switching.
  • Positive handle indication for clear status updates.
  • VisiTrip trip indication for immediate visual confirmation of tripped circuits.

This 2-pole QO circuit breaker is rated at 20A at 120/240VAC, offering a reliable solution for various electrical requirements. With a 10kA breaking capacity and plug-in mounting, these circuit breakers are designed to handle high currents safely. A full line of factory-installed accessories is also available, including shunt trips, auxiliary switches, and alarm switches, to enhance your electrical system's functionality.

Practical Applications and Certifications

The Square D™ QO™ and QOB circuit breakers are versatile and suitable for a wide range of applications, from residential to industrial settings. Their high-quality construction and safety features make them a preferred choice for electricians and maintenance professionals. Certifications include:

  • UL Listed under UL File E84967 for compliance with stringent safety standards.
  • CSA Certified under CSA Master Contract 153555, ensuring reliability and safety.
This clam packaging ensures the product's integrity and ease of transportation, making it a convenient choice for your electrical needs. Trust the Square D™ QO™ and QOB circuit breakers for unmatched performance and peace of mind.

What Our Customers Say

January 16, 2026

Absolutely no complaints!

It's a must have. You can truly believe me.

- Angharad C..

January 16, 2026

Absolutely no complaints!

An excellent tool. It's exceptionally and well built.

- Padrig A..

January 16, 2026

Absolutely no complaints!

It's a very good quality, and a very solid product.

- Llewela Z..

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