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    Square D™ QO™ and QOB Miniature Circuit Breakers

    QO(B) miniature circuit breakers for QO systems

    QO(B) circuit breakers come in plug-on or bolt-on options and a complete range of amperages and interrupting ranges to fit into various QO distribution panels. QO is the “World’s Finest” Industry leading offer since 1955, with features engineered for faster installation, reliability and quality.

    Square D Picture
    Square D™ QO™ and QOB Miniature Circuit Breakers
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    Square D™ QO™ and QOB Miniature Circuit Breakers

        • Safety information for products QO115 & QO120:

          Standard thermal-magnetic QO and Homeline 15 and 20 Amp circuit breakers are Listed to UL489 and provide overload and short circuit protection for conductorsThe QO and Homeline thermal-magnetic circuit breakers are for general use in protecting branch circuit in residential and commercial applications. Use QO and Homeline 15 and 20A arc fault circuit interrupter circuit breakers that have been Listed to UL1699 in order to provide arc fault circuit protection for the entire branch circuit in accordance with the installation requirements in National Electrical Code Section 210.12.Thermal-magnetic circuit breakers are not designed, Listed, or intended to provide protection against low level hazardous arcing conditions in branch circuit wiring.

          • Best price
            QH115 Picture

            QH115

            QO Mini CB, 15A, 1P, 120/240V, 65kA, Plug-in Mount

            117.00 USD
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            QH1151021 Picture

            QH1151021

            QO Mini CB 15 A 1P 120/240 V 65 kA Plug-in Mount Shunt Trip

            306.00 USD
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            QH120 Picture

            QH120

            QO Mini CB 20 A 1P 120/240 V 65 kA Plug-in Mount

            117.00 USD
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            QH1201021 Picture

            QH1201021

            QO Mini CB, 20A, 1P, 120/240V, 65kA, Plug-in Mount, Shunt Trip

            306.00 USD
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            QH1202100 Picture

            QH1202100

            QO Mini CB, 20A, 1P, 120/240V, 65kA, Plug-in Mount, Alarm Switch

            249.00 USD
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            QH125 Picture

            QH125

            QO Mini CB 25 A 1P 120/240 V 65 kA Plug-in Mount

            117.00 USD
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            QH130 Picture

            QH130

            QO Mini CB, 30A, 1P, 120/240V, 65kA, Plug-in Mount

            117.00 USD
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            QH1302100 Picture

            QH1302100

            QO Mini CB 30 A 1P 120/240 V 65 kA Plug-in Mount Alarm Switch

            249.00 USD
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            QH215 Picture

            QH215

            QO Mini CB, 15A, 2P, 120/240V, 65kA, Plug-in Mount

            293.00 USD
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            QH220 Picture

            QH220

            QO Mini CB 20 A 2P 120/240 V 65 kA Plug-in Mount

            293.00 USD