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Schneider Electric Square D Circuit Breakers - PartsHnC

Square D Circuit Breakers

Square D circuit breakers are known for their quality, reliability, and safety. The Square D QO, QOT, QO-AFI, and QO-GFI series are popular plug-on type thermal-magnetic circuit breakers that provide overcurrent protection and switching on both AC and DC systems. The electrical distribution and control systems that these breakers are compatible with include OEM mounting bases, Speed-D switchboard distribution panels, NQ and NQOD panel boards, QO load centers, and NQ and NQOD panel boards.

The QO series of circuit breakers are highly versatile and can be easily installed in various electrical systems, providing optimal protection against overcurrents and other electrical faults. The QO series features one-, two-, and three-pole breakers, making them suitable for a wide range of applications.

The QO-AFI and QO-GFI series are special types of QO circuit breakers designed to protect against arc faults and ground faults, respectively. These breakers are highly recommended for residential applications, where safety is paramount.

Square D also offers the HomeLine series of circuit breakers, which are not interchangeable with the QO series. While the HomeLine series shares many of the same features and benefits as the QO series, it is important to note that these breakers cannot be used interchangeably because of differences in their physical design and performance specifications.

Buy Square D circuit breakers from PartsHnC. We sell replacement parts for the HVAC system with same-day shipping.

FAQs

What are the differences between the Square D QO, QOT, QO-AFI, and QO-GFI series?

The Square D QO, QOT, QO-AFI, and QO-GFI are plug-on type one-, two- and three-pole thermal-magnetic circuit breakers. The QO-AFI and QO-GFI models also provide arc-fault and ground-fault protection, respectively. They are made to fit OEM mounting bases, Speed-D® switchboard distribution panels, QO load centers, NQ, and NQOD panel boards.

Can Square D circuit breakers be used in residential settings?

Yes, Square D circuit breakers are commonly used in residential settings, particularly in load centers and panelboards.

What are the types of Square D circuit breakers?

Square D offers various types of circuit breakers, including standard thermal-magnetic circuit breakers, ground fault circuit interrupters (GFCIs), arc fault circuit interrupters (AFCIs), and dual function circuit breakers that combine GFCI and AFCI protection.

Where to buy square d circuit breakers?

You can buy Square D circuit breakers from reputable online retailers such as PartsHnC, electrical supply stores, or directly from the manufacturer's official website.

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