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    51 Products

    Square D Secondary Circuit Breaker Boxes

    Image of Product. Front orientation. Circuit Breaker Boxes. Square D Secondary Circuit Breaker Boxes.
    Connect these boxes to a main box—they do not have a main circuit breaker switch. They are single-phase, 3-wire, and can be mounted for top or bottom feed conduit connections. Also known as load centers.
    NEMA 1 Enclosure Rating—NEMA 1 rated boxes are for indoor use.
    NEMA 3R Enclosure Rating—NEMA 3R rated boxes are for outdoor use.
    Breakthrough Current @ Voltage—Breakthrough current is the maximum current that the circuit breaker can safely stop in the event of a short circuit.
    Cover
    No. of
    Spaces
    Current,
    amp
    Voltage, V AC
    Freq., Hz
    Breakthrough Current @ Voltage
    Mounting
    Location
    Bus Bar Material
    Attachment
    Style
    Closure Method
    Ht.
    Wd.
    Dp.
    Certification
    Each
    NEMA 1 Enclosure Rating
    270120/24050/6010,000 amp @ 120V AC
    10,000 amp @ 240V AC
    SurfaceTin-Plated CopperLift Off
    Screw9 1/4"4 7/8"3 1/4"UL Listed
    0000000000000
    8100120/24050/6010,000 amp @ 120V AC
    10,000 amp @ 240V AC
    SurfaceTin-Plated CopperLift Off
    Screw12 5/8"8 7/8"3 3/4"UL Listed
    0000000000000
    12125120/24050/6065,000 amp @ 120V AC
    65,000 amp @ 240V AC
    SurfaceTin-Plated CopperLift Off
    Screw17 7/8"14 1/4"3 3/4"UL Listed
    0000000000000
     
    NEMA 3R Enclosure Rating
    6100120/24050/6010,000 amp @ 120V AC
    10,000 amp @ 240V AC
    SurfaceTin-Plated CopperHinged
    Quick-Release Latch12 5/8"8 7/8"4 1/4"UL Listed
    0000000000000
    12125120/24050/6065,000 amp @ 120V AC
    65,000 amp @ 240V AC
    SurfaceTin-Plated CopperHinged
    Quick-Release Latch18 7/8"14 3/4"4 1/2"UL Listed
    0000000000000
    24125120/24050/6065,000 amp @ 120V AC
    65,000 amp @ 240V AC
    SurfaceTin-Plated CopperHinged
    Quick-Release Latch22"14 3/4"4 1/2"UL Listed
    0000000000000
     
    Breakers

    Square D Main Circuit Breaker Boxes

    Image of Product. Front orientation. Circuit Breaker Boxes. Square D Main Circuit Breaker Boxes.
    These boxes have a main circuit breaker switch and main service knockouts in the corners. They are single-phase, 3-wire, and can be mounted for top or bottom feed conduit connections. Use with Square D QO circuit breakers. Also known as load centers.
    NEMA 1 Enclosure Rating—Boxes are rated NEMA 1 for indoor use.
    Breakthrough Current @ Voltage—Breakthrough current is the maximum current that the circuit breaker can safely stop in the event of a short circuit.
    Cover
    No. of
    Spaces
    Current,
    amp
    Voltage, V AC
    Freq., Hz
    Breakthrough Current @ Voltage
    Mounting
    Profile
    Mounting
    Location
    Bus Bar Material
    Attachment
    Style
    Closure
    Method
    Ht.
    Wd.
    Dp.
    Certification
    Each
    NEMA 1 Enclosure Rating
    12100120/24050/6022,000 amp @ 120V AC
    22,000 amp @ 240V AC
    RecessedSurfaceTin-Plated CopperLift Off
    Screw14 7/8"14 1/4"3 3/4"UL Listed
    00000000000000
    20100120/24050/6022,000 amp @ 120V AC
    22,000 amp @ 240V AC
    RecessedSurfaceTin-Plated CopperLift Off
    Screw17 7/8"14 1/4"3 3/4"UL Listed
    0000000000000
    30200120/24050/6022,000 amp @ 120V AC
    22,000 amp @ 240V AC
    RecessedSurfaceTin-Plated CopperLift Off
    Screw29 7/8"14 1/4"3 3/4"UL Listed
    000000000000000
    40200120/24050/6022,000 amp @ 120V AC
    22,000 amp @ 240V AC
    RecessedSurfaceTin-Plated CopperLift Off
    Screw33 3/4"14 1/4"3 3/4"UL Listed
    000000000000000
     
    Breakers

    Square D Homeline Secondary Circuit Breaker Boxes

    Image of Product. Front orientation. Circuit Breaker Boxes. Square D Homeline Secondary Circuit Breaker Boxes.
    Connect these boxes to a main box—they do not have a main circuit breaker switch. They are single-phase, 3-wire, and can be mounted for top or bottom feed conduit connections. Also known as load centers.
    NEMA 1 Enclosure Rating—NEMA 1 rated boxes are for indoor use.
    Breakthrough Current @ Voltage—Breakthrough current is the maximum current that the circuit breaker can safely stop in the event of a short circuit.
    Cover
    No. of
    Spaces
    Current,
    amp
    Voltage, V AC
    Freq., Hz
    Breakthrough Current @ Voltage
    Mounting
    Profile
    Mounting
    Location
    Bus Bar Material
    Attachment
    Style
    Closure
    Method
    Ht.
    Wd.
    Dp.
    Certification
    Each
    NEMA 1 Enclosure Rating
    6100120/24050/6010,000 amp @ 120V AC
    10,000 amp @ 240V AC
    SurfaceTin-Plated AluminumLift Off
    Screw12 5/8"8 7/8"3 7/8"UL Listed
    0000000000000
    12125120/24050/6010,000 amp @ 120V AC
    10,000 amp @ 240V AC
    RecessedSurfaceTin-Plated AluminumLift Off
    Screw17 7/8"14 1/4"3 3/4"UL Listed
    000000000000
    20125120/24050/6010,000 amp @ 120V AC
    10,000 amp @ 240V AC
    RecessedSurfaceTin-Plated AluminumLift Off
    Screw26"14 1/4"3 3/4"UL Listed
    000000000000
     
    Breakers

    Square D Homeline Main Circuit Breaker Boxes

    Image of Product. Front orientation. Circuit Breaker Boxes. Square D Homeline Main Circuit Breaker Boxes .
    With a main breaker installed and main service knockouts, these boxes are the entry point for electricity into your facility and the first step in protecting your electrical systems. They are single-phase, 3-wire, and can be mounted for top or bottom feed conduit connections. Also known as load centers.
    NEMA 1 Enclosure Rating—Boxes are rated NEMA 1 for indoor use.
    Breakthrough Current @ Voltage—Breakthrough current is the maximum current that the circuit breaker can safely stop in the event of a short circuit.
    Cover
    No. of
    Spaces
    Current,
    amp
    Voltage, V AC
    Freq., Hz
    Breakthrough Current @ Voltage
    Mounting
    Profile
    Mounting
    Location
    Bus Bar Material
    Attachment
    Style
    Closure
    Method
    Ht.
    Wd.
    Dp.
    Certification
    Each
    NEMA 1 Enclosure Rating
    12100120/24050/6022,000 amp @ 120V AC
    22,000 amp @ 240V AC
    RecessedSurfaceTin-Plated AluminumLift Off
    Screw17 7/8"14 1/4"3 3/4"UL Listed
    00000000000000
    24125120/24050/6022,000 amp @ 120V AC
    22,000 amp @ 240V AC
    RecessedSurfaceTin-Plated AluminumLift Off
    Screw26"14 1/4"3 3/4"UL Listed
    0000000000000
     
    Breakers

    Circuit Breaker Box Filler Plates

    Image of ProductInUse. Front orientation. Circuit Breaker Box Filler Plates.
    Image of Product. Front orientation. Circuit Breaker Box Filler Plates.
    Conceal live electrical components in circuit breaker boxes to prevent injury and damage. These filler plates snap into panel openings. They also have an adhesive strip, so they don’t move when you take the panel cover off.
    For Panel
    Cutout Wd.
    For Manufacturer
    (Series)
    Mount Type
    Ht.
    Wd.
    Dp.
    Material
    Flammability
    Rating
    Each
    3/4"Square D (QO)
    Square D (QOB)
    Snap In, Adhesive3/8"11/16"2 9/16"PlasticUL 94 V-2
    000000000000
    1"Bryant
    Challenger
    Crouse-Hinds
    Cutler-Hammer (BR)
    General Electric
    Murray
    Siemens
    Square D (Homeline)
    Thomas & Betts
    Westinghouse
    Snap In, Adhesive3/8"1"2 9/16"PlasticUL 94 V-2
    00000000000
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