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    SQUARE D NQ18L1C Panelboard Interior, QHB, QOB, QOB-VH, 18 Spaces, 100A,

    SQUARE D NQ18L1C Panelboard Interior, QHB, QOB, QOB-VH, 18 Spaces, 100A,

    Panelboard Interior, Convertible, Main Lug, Circuit Breaker Series QHB, QOB, QOB-VH, Amps 100 A, Short Circuit Current Rating 100000 RMS Symmetrical, Number of Spaces 18, Voltage 120/240V AC, Phase 1, Bus Material Copper, Recommended Enclosure 1D687... more

    $373.99

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    SQUARE D NQ430L2C Panelboard Interior, QHB, QOB, QOB-VH, 30 Spaces, 225A,

    SQUARE D NQ430L2C Panelboard Interior, QHB, QOB, QOB-VH, 30 Spaces, 225A,

    Panelboard Interior, Convertible, Main Lug, Circuit Breaker Series QHB, QOB, QOB-VH, Amps 225 A, Short Circuit Current Rating 100000 RMS Symmetrical, Number of Spaces 30, Voltage 120/208 to 240V AC, Phase 3, Bus Material Copper, Recommended Enclosure... more

    $508.99

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    Best Seller
    SQUARE D NF442L2C Panelboard Interior, EDB, EDG, EDJ, 42 Spaces, 250A,

    SQUARE D NF442L2C Panelboard Interior, EDB, EDG, EDJ, 42 Spaces, 250A,

    Panelboard Interior, Convertible, Main Lug, Circuit Breaker Series EDB, EDG, EDJ, Amps 250 A, Short Circuit Current Rating 100000 RMS Symmetrical, Number of Spaces 42, Voltage 277/480YV AC, Phase 3, Bus Material Copper, Recommended Enclosure 1D698 for... more

    $2,022.29

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    Square D Panelboard Interior 225 A 240VAC/48VDC NQ442L2C

    Square D Panelboard Interior 225 A 240VAC/48VDC NQ442L2C

    Panelboard Interior Convertible Main Lug Circuit Breaker Series QHB QOB QOB-VH Amps 225 A Short Circuit Current Rating 100000 RMS Symmetrical Number of Spaces 42 Voltage 120/208 to 240V AC Phase 3 Bus Material Copper Recommended Enclosure 1D700 for... more

    $718.21 $594.99

    FREE shipping

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    SQUARE D NEMA 1 FLUSH MOUNT HINGED NQ & NF PANELBOARD COVER - NC50FHR - NIB

    SQUARE D NEMA 1 FLUSH MOUNT HINGED NQ & NF PANELBOARD COVER - NC50FHR - NIB

    SQUARE D NEMA 1 FLUSH MOUNT HINGED NQ & NF PANELBOARD COVER - NC50FHR - New In Mfg Box. Box may have wear or markings from handling and storage. more

    $720.99

    FREE shipping

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    SQUARE D NF430L2C Panelboard Interior, EDB, EDG, EDJ, 30 Spaces, 250A,

    SQUARE D NF430L2C Panelboard Interior, EDB, EDG, EDJ, 30 Spaces, 250A,

    Panelboard Interior, Convertible, Main Lug, Circuit Breaker Series EDB, EDG, EDJ, Amps 250 A, Short Circuit Current Rating 100000 RMS Symmetrical, Number of Spaces 30, Voltage 277/480YV AC, Phase 3, Bus Material Copper, Recommended Enclosure 1D700 for... more

    $1,877.73

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    SQUARE D NF418L1 Panelboard Interior, EDB, EDG, EDJ, 18 Spaces, 125A, 277/480V,

    SQUARE D NF418L1 Panelboard Interior, EDB, EDG, EDJ, 18 Spaces, 125A, 277/480V,

    Panelboard Interior, Convertible, Main Lug, Circuit Breaker Series EDB, EDG, EDJ, Amps 125 A, Short Circuit Current Rating 100000 RMS Symmetrical, Number of Spaces 18, Voltage 277/480YV AC, Phase 3, Bus Material Aluminum, Recommended Enclosure 1D687... more

    $1,034.76

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    SQUARE D NQ442L2 Panelboard Interior, QHB, QOB, QOB-VH, 42 Spaces, 225A,

    SQUARE D NQ442L2 Panelboard Interior, QHB, QOB, QOB-VH, 42 Spaces, 225A,

    Panelboard Interior, Convertible, Main Lug, Circuit Breaker Series QHB, QOB, QOB-VH, Amps 225 A, Short Circuit Current Rating 100000 RMS Symmetrical, Number of Spaces 42, Voltage 120/208 to 240V AC, Phase 3, Bus Material Aluminum, Recommended Enclosure... more

    $598.99

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    SQUARE D NF430L1C Panelboard Interior, EDB, EDG, EDJ, 30 Spaces, 125A,

    SQUARE D NF430L1C Panelboard Interior, EDB, EDG, EDJ, 30 Spaces, 125A,

    Panelboard Interior, Convertible, Main Lug, Circuit Breaker Series EDB, EDG, EDJ, Amps 125 A, Short Circuit Current Rating 100000 RMS Symmetrical, Number of Spaces 30, Voltage 277/480YV AC, Phase 3, Bus Material Copper, Recommended Enclosure 1D691 for... more

    $1,547.13

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    SQUARE D NQ18L1 Panelboard Interior, QHB, QOB, QOB-VH, 18 Spaces, 100A,

    SQUARE D NQ18L1 Panelboard Interior, QHB, QOB, QOB-VH, 18 Spaces, 100A,

    Panelboard Interior, Convertible, Main Lug, Circuit Breaker Series QHB, QOB, QOB-VH, Amps 100 A, Short Circuit Current Rating 100000 RMS Symmetrical, Number of Spaces 18, Voltage 120/240V AC, Phase 1, Bus Material Aluminum, Recommended Enclosure 1D687... more

    $354.99

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    SQUARE D NF430L2 Panelboard Interior, EDB, EDG, EDJ, 30 Spaces, 250A, 277/480V,

    SQUARE D NF430L2 Panelboard Interior, EDB, EDG, EDJ, 30 Spaces, 250A, 277/480V,

    Panelboard Interior, Convertible, Main Lug, Circuit Breaker Series EDB, EDG, EDJ, Amps 250 A, Short Circuit Current Rating 100000 RMS Symmetrical, Number of Spaces 30, Voltage 277/480YV AC, Phase 3, Bus Material Aluminum, Recommended Enclosure 1D700... more

    $1,587.92

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    SQUARE D NF418L1C Panelboard Interior, EDB, EDG, EDJ, 18 Spaces, 125A,

    SQUARE D NF418L1C Panelboard Interior, EDB, EDG, EDJ, 18 Spaces, 125A,

    Panelboard Interior, Convertible, Main Lug, Circuit Breaker Series EDB, EDG, EDJ, Amps 125 A, Short Circuit Current Rating 100000 RMS Symmetrical, Number of Spaces 18, Voltage 277/480YV AC, Phase 3, Bus Material Copper, Recommended Enclosure 1D687 for... more

    $1,315.27

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    SQUARE D NQ430L4C Panelboard Interior, QHB, QOB, QOB-VH, 30 Spaces, 400A,

    SQUARE D NQ430L4C Panelboard Interior, QHB, QOB, QOB-VH, 30 Spaces, 400A,

    Panelboard Interior, Convertible, Main Lug, Circuit Breaker Series QHB, QOB, QOB-VH, Amps 400 A, Short Circuit Current Rating 100000 RMS Symmetrical, Number of Spaces 30, Voltage 120/208 to 240V AC, Phase 3, Bus Material Copper, Recommended Enclosure... more

    $845.99

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    SQUARE D NQ442L6C Panelboard Interior, QHB, QOB, QOB-VH, 42 Spaces, 600A, 240V,

    SQUARE D NQ442L6C Panelboard Interior, QHB, QOB, QOB-VH, 42 Spaces, 600A, 240V,

    Panelboard Interior, Convertible, Main Lug, Circuit Breaker Series QHB, QOB, QOB-VH, Amps 600 A, Short Circuit Current Rating 100000 RMS Symmetrical, Number of Spaces 42, Voltage 120/208 to 240V AC, Phase 3, Bus Material Copper, Recommended Enclosure... more

    $1,076.99

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    SQUARE D NQ418L1C Panelboard Interior, QHB, QOB, QOB-VH, 18 Spaces, 100A,

    SQUARE D NQ418L1C Panelboard Interior, QHB, QOB, QOB-VH, 18 Spaces, 100A,

    Panelboard Interior, Convertible, Main Lug, Circuit Breaker Series QHB, QOB, QOB-VH, Amps 100 A, Short Circuit Current Rating 100000 RMS Symmetrical, Number of Spaces 18, Voltage 120/208 to 240V AC, Phase 3, Bus Material Copper, Recommended Enclosure... more

    $363.99

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    SQUARE D NC68VF Panelboard Cover,Flush

    SQUARE D NC68VF Panelboard Cover,Flush

    Panelboard Cover, Mounting Style Flush, For Use With Square D NQ and NF Panelboards, NEMA Rating 1, Compatible Enclosure Box 48R501, Length 68 in, Width 20 in, Vented, Material Steel, Includes Door more

    $569.99

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    SQUARE D PK32DGTA Panelboard Ground Bar Kit

    SQUARE D PK32DGTA Panelboard Ground Bar Kit

    Ground Bar Kit, Min. Wire Size 14 AWG, 6 AWG, Max. Wire Size 4 AWG, For Use With Square D Circuit Breaker Power Distribution Panelboards, Material Aluminum more

    $78.29

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    SQUARE D N250MJ Panelboard Main Breaker Kit, JDL, JGL, JJL, JLL, JRL, 250A,

    SQUARE D N250MJ Panelboard Main Breaker Kit, JDL, JGL, JJL, JLL, JRL, 250A,

    Panelboard Main Breaker Kit, For Use With Square D J-Frame Panelboards, Amps 250, Includes (1) Cover Plate, (1) Label, (1) Mounting Plate, (1) Screw Set , (2) Bracket for Support , (2) Rail Extension, (2) Rail Splice, (2) Terminals, (3) Connector, 347V... more

    $558.17

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    SQUARE D N150MH Panelboard Main Breaker Kit, HDL, HGL, HJL, HLL, HRL, 150A,

    SQUARE D N150MH Panelboard Main Breaker Kit, HDL, HGL, HJL, HLL, HRL, 150A,

    Panelboard Main Breaker Kit, For Use With Square D H-Frame Panelboards, Amps 150, Includes (1) Label, (1) Mounting Plate, (1) Screw Set , (2) Bracket for Support , (2) Cover Plate, (2) Rail Extension, (2) Rail Splice, (2) Terminals, (3) Connector, 347V... more

    $574.99

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    SQUARE D MH26WP Panelboard Encl/Box Type 3R/12 26H 20W

    SQUARE D MH26WP Panelboard Encl/Box Type 3R/12 26H 20W

    Panelboard Encl/Box Type 3R/12 26H 20W more

    $1,019.99

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    SQUARE D NQMB2HJ Main Breaker Kit, Square D PowerPact H, J and Q-Frame

    SQUARE D NQMB2HJ Main Breaker Kit, Square D PowerPact H, J and Q-Frame

    Panelboard Main Breaker Kit, For Use With Square D PowerPact H, J and Q-Frame Panelboards, Amps 225, Includes (1) Cover, (1) Main Breaker Label, (1) Mounting Pan, (13) Tapping Screws, (2) Support Brackets, (2) Terminal Kits, Frame Size 150A/H, 225A/J,... more

    $315.99

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    SQUARE D NQ430L4 Panelboard Interior, QHB, QOB, QOB-VH, 30 Spaces, 400A, 240V,

    SQUARE D NQ430L4 Panelboard Interior, QHB, QOB, QOB-VH, 30 Spaces, 400A, 240V,

    Panelboard Interior, Convertible, Main Lug, Circuit Breaker Series QHB, QOB, QOB-VH, Amps 400 A, Short Circuit Current Rating 100000 RMS Symmetrical, Number of Spaces 30, Voltage 120/208 to 240V AC, Phase 3, Bus Material Aluminum, Recommended Enclosure... more

    $933.99

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    SQUARE D NC50VS Cover, Square D NF Panelboards, 400A

    SQUARE D NC50VS Cover, Square D NF Panelboards, 400A

    Panelboard Cover, Amps 400 A, Mounting Style Surface, For Use With Square D NF Panelboards, NEMA Rating 1, Compatible Enclosure Box 1D700, Length 50 in, Width 20 in, Vented, Material Steel, Includes Door more

    $257.99

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    SQUARE D NF442L6C Panelboard Interior, EDB, EDG, EDJ, 42 Spaces, 600A,

    SQUARE D NF442L6C Panelboard Interior, EDB, EDG, EDJ, 42 Spaces, 600A,

    Panelboard Interior, Convertible, Main Lug, Circuit Breaker Series EDB, EDG, EDJ, Amps 600 A, Short Circuit Current Rating 100000 RMS Symmetrical, Number of Spaces 42, Voltage 277/480YV AC, Phase 3, Bus Material Copper, Recommended Enclosure 22P067 for... more

    $2,281.33

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    SQUARE D NC38F Cover, Square D NF Panelboards, 125A

    SQUARE D NC38F Cover, Square D NF Panelboards, 125A

    Panelboard Cover, Amps 125 A, Number of Spaces 42, Mounting Style Flush, For Use With Square D NF Panelboards, NEMA Rating 1, Compatible Enclosure Box 6B429, Length 38 in, Width 20 in, Non-Vented, Material Steel, Includes Door more

    $199.99

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    SQUARE D NC44F Cover, Square D NF Panelboards, 125A

    SQUARE D NC44F Cover, Square D NF Panelboards, 125A

    Panelboard Cover, Amps 125 A, Number of Spaces 42, Mounting Style Flush, For Use With Square D NF Panelboards, NEMA Rating 1, Compatible Enclosure Box 1D698, Length 44 in, Width 20 in, Non-Vented, Material Steel, Includes Door more

    $248.99

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    SQUARE D NC26F Cover, Square D NF Panelboards, 125A

    SQUARE D NC26F Cover, Square D NF Panelboards, 125A

    Panelboard Cover, Amps 125 A, Number of Spaces 18, Mounting Style Flush, For Use With Square D NF Panelboards, NEMA Rating 1, Compatible Enclosure Box 1D687, Length 26 in, Width 20 in, Non-Vented, Material Steel, Includes Door more

    $177.99

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    SQUARE D NC32F Cover, Square D NF Panelboards, 125A

    SQUARE D NC32F Cover, Square D NF Panelboards, 125A

    Panelboard Cover, Amps 125 A, Number of Spaces 30, Mounting Style Flush, For Use With Square D NF Panelboards, NEMA Rating 1, Compatible Enclosure Box 1D687, Length 32 in, Width 20 in, Non-Vented, Material Steel, Includes Door more

    $185.99

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    SQUARE D MH68 Panelboard Enclosure, MH, 42 Spaces, 400A

    SQUARE D MH68 Panelboard Enclosure, MH, 42 Spaces, 400A

    Panelboard Enclosure, Amps 400 A, Number of Spaces 42, Mounting Style Surface, For Use With Square D NQOD Lightning and Appliance Panelboards, NEMA Rating 1, Compatible Single Phase Interior 1D917, Compatible Three Phase Interior 22P073, 22P074,... more

    $128.99

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    SQUARE D EDB34060 Miniature Circuit Breaker, EDB Series, 60A, 3 Pole, 277/480V

    SQUARE D EDB34060 Miniature Circuit Breaker, EDB Series, 60A, 3 Pole, 277/480V

    Miniature Circuit Breaker, Amps 60 A, AC Voltage Rating 277/480V AC, Circuit Breaker Type Standard, Number of Poles 3, DC Voltage Rating 125/250V DC, Circuit Breaker Actuator Toggle, Circuit Breaker Mounting Style Bolt On, Compatible Panelboard/Load... more

    $644.99

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    SQUARE D QOT1520 Miniature Circuit Breaker, QO Series, 15/20A, 1x1, 1x1 Pole,

    SQUARE D QOT1520 Miniature Circuit Breaker, QO Series, 15/20A, 1x1, 1x1 Pole,

    Miniature Circuit Breaker, Amps 15/20 A, AC Voltage Rating 120/240V AC, Circuit Breaker Type Tandem, Number of Poles 1, DC Voltage Rating Not Rated, Circuit Breaker Actuator Toggle, Circuit Breaker Mounting Style Plug In, Compatible Panelboard/Load... more

    $37.15

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    SQUARE D EDB14020 Miniature Circuit Breaker, EDB Series, 20A, 1 Pole, 277V AC,

    SQUARE D EDB14020 Miniature Circuit Breaker, EDB Series, 20A, 1 Pole, 277V AC,

    Miniature Circuit Breaker, Amps 20 A, AC Voltage Rating 277V AC, Circuit Breaker Type Standard, Number of Poles 1, DC Voltage Rating Not Rated, Circuit Breaker Actuator Toggle, Circuit Breaker Mounting Style Bolt On, Compatible Panelboard/Load Center... more

    $148.99

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    SQUARE D QOM70VH Miniature Circuit Breaker, QO Series, 70A, 2 Pole, 120/240V

    SQUARE D QOM70VH Miniature Circuit Breaker, QO Series, 70A, 2 Pole, 120/240V

    Miniature Circuit Breaker, Amps 70 A, AC Voltage Rating 120/240V AC, Circuit Breaker Type Main Breaker, Number of Poles 2, DC Voltage Rating Not Rated, Circuit Breaker Actuator Paddle, Circuit Breaker Mounting Style Bolt On, Compatible Panelboard/Load... more

    $64.39

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    SQUARE D QOB2501021 Miniature Circuit Breaker, QOB Series, 50A, 2 Pole,

    SQUARE D QOB2501021 Miniature Circuit Breaker, QOB Series, 50A, 2 Pole,

    Miniature Circuit Breaker, Amps 50 A, AC Voltage Rating 120/240V AC, Circuit Breaker Type Shunt Trip, Number of Poles 2, DC Voltage Rating 48V DC, Circuit Breaker Actuator Paddle, Circuit Breaker Mounting Style Bolt On, Compatible Panelboard/Load... more

    $251.99

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    SQUARE D QO220SWN Miniature Circuit Breaker, QO Series, 20A, 2 Pole, 120/240V

    SQUARE D QO220SWN Miniature Circuit Breaker, QO Series, 20A, 2 Pole, 120/240V

    Miniature Circuit Breaker, Amps 20 A, AC Voltage Rating 120V AC, Circuit Breaker Type Switched Neutral, Number of Poles 2, DC Voltage Rating Not Rated, Circuit Breaker Actuator Paddle, Circuit Breaker Mounting Style Plug In, Compatible Panelboard/Load... more

    $69.99

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    SQUARE D QOT1515 Miniature Circuit Breaker, QO Series, 15/15A, 2x1 Pole,

    SQUARE D QOT1515 Miniature Circuit Breaker, QO Series, 15/15A, 2x1 Pole,

    Miniature Circuit Breaker, Amps 15 A, AC Voltage Rating 120/240V AC, Circuit Breaker Type Tandem, Number of Poles 1, DC Voltage Rating Not Rated, Circuit Breaker Actuator Paddle, Circuit Breaker Mounting Style Plug In, Compatible Panelboard/Load Center... more

    $30.95

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    SQUARE D HOM270 Miniature Circuit Breaker, HOM Series, 70A, 2 Pole, 120/240V

    SQUARE D HOM270 Miniature Circuit Breaker, HOM Series, 70A, 2 Pole, 120/240V

    Miniature Circuit Breaker, Amps 70 A, AC Voltage Rating 120/240V AC, Circuit Breaker Type Standard, Number of Poles 2, DC Voltage Rating Not Rated, Circuit Breaker Actuator Paddle, Circuit Breaker Mounting Style Plug In, Compatible Panelboard/Load... more

    $50.15

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    SQUARE D QOB1201021 Miniature Circuit Breaker, QOB Series, 20A, 1 Pole,

    SQUARE D QOB1201021 Miniature Circuit Breaker, QOB Series, 20A, 1 Pole,

    Miniature Circuit Breaker, Amps 20 A, AC Voltage Rating 120/240V AC, Circuit Breaker Type Shunt Trip, Number of Poles 1, DC Voltage Rating 48V DC, Circuit Breaker Actuator Paddle, Circuit Breaker Mounting Style Bolt On, Compatible Panelboard/Load... more

    $269.99

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    SQUARE D QO2401021 Miniature Circuit Breaker, QO Series, 40A, 2 Pole, 120/240V

    SQUARE D QO2401021 Miniature Circuit Breaker, QO Series, 40A, 2 Pole, 120/240V

    Miniature Circuit Breaker, Amps 40 A, AC Voltage Rating 120/240V AC, Circuit Breaker Type Shunt Trip, Number of Poles 2, DC Voltage Rating 48V DC, Circuit Breaker Actuator Paddle, Circuit Breaker Mounting Style Plug In, Compatible Panelboard/Load... more

    $144.99

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    SQUARE D QO3301021 Miniature Circuit Breaker, QO Series, 30A, 3 Pole, 120/240V

    SQUARE D QO3301021 Miniature Circuit Breaker, QO Series, 30A, 3 Pole, 120/240V

    Miniature Circuit Breaker, Amps 30 A, AC Voltage Rating 120/240V AC, Circuit Breaker Type Shunt Trip, Number of Poles 3, DC Voltage Rating 48V DC, Circuit Breaker Actuator Paddle, Circuit Breaker Mounting Style Plug In, Compatible Panelboard/Load... more

    $286.99

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