Welcome to Tanooga.com’s collection of one-pole circuit breakers! Here, you’ll discover the best selection of high-quality single-pole circuit breakers from trusted brands.

A one-pole circuit breaker is a safety device that can protect a single circuit from overloads and short circuits. It operates by interrupting the flow of electricity when the current surpasses safe levels, preventing damage to equipment and reducing the risk of electrical fires. These breakers are essential in residential, commercial, and industrial settings, ensuring reliable performance and safeguarding wiring and connected devices.

At Tanooga.com, we proudly provide premium industrial electrical components without breaking your budget. Our dedicated team is here to make sure your experience is smooth from start to finish, helping you find exactly what you need when you need it. Shop circuit breakers at Tanooga.com and experience reliability, quality, and service you can count on.

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1-Pole Circuit Breaker

  • black QOU120 circuit breaker, white label indicating "on" and amperage in English.

    QOU120 – Square D – UL489 Miniature Circuit Breaker, 1P, 20A, 120/240VAC

    $14.99

    Part Number: QOU120

    Manufacturer: Square D

    Description: UL489 Miniature Circuit Breaker, 1P, 20A, 120/240VAC

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    5 in stock

  • black QOU130 circuit breaker, white label indicating "on" and amperage in English.

    QOU130 – Square D – UL489 Miniature Circuit Breaker, 1P, 30A, 120/240VAC

    $16.99

    Part Number: QOU130

    Manufacturer: Square D

    Description: UL489 Miniature Circuit Breaker, 1P, 30A, 120/240VAC

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    3 in stock

  • black QOU140 circuit breaker, white label indicating "on" and amperage in English.

    QOU140 – Square D – UL489 Miniature Circuit Breaker, 1P, 40A, 120/240VAC

    $17.99

    Part Number: QOU140

    Manufacturer: Square D

    Description: UL489 Miniature Circuit Breaker, 1P, 40A, 120/240VAC

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    5 in stock