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Circuit Breaker Accessories

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Product Image of Mechanical Lug Kit for MA/ME/MH/MX Circuit Breakers (800A, 500-750kcmil, Aluminum), AL800MA7
$176.70 each
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Product Image of 250 Amp Circuit Breaker Standard Shaft Kit, for PowerPact H & J Frame Circuit Breaker, 9421LJ1
$373.52 each
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Product Image of Circuit Breaker Cable Mechanism, for PowerPact H & J Frame Kit Circuit Breaker, 9422CSF30
$461.31 each
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Product Image of Circuit Breaker Power Distribution Connector For PowerPact, PDC3JD20
$447.47 each
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Product Image of Circuit Breaker Rotary Handle, Direct Mounted, Black, for PowerPacT L Frame, S32597
$361.67 each
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Product Image of Circuit Breaker Cable Operating Mechanism & Handle, for LAL & LHL Circuit Breaker, Q4L Circuit Breaker, 9422CLA31
$1,015.56 each
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Product Image of Circuit Breaker Rotary Handle, Door Mounted, Red/Yellow Bezel, for PowerPacT H/J, S29340
$456.56 each
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Product Image of Circuit Breaker Shunt Trip (120-240VAC), for LA/LH/Q4 Circuit Breakers, LA11021
$837.19 each
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Product Image of Circuit Breaker Power Distribution Connector For PowerPact, PDC6JD4
$308.85 each
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Product Image of Circuit Breaker Enclosure, NEMA 3R/5/12, for PowerPacT H/J (15-250A), J250AWK
$863.46 each
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Product Image of Circuit Breaker Operating Mechanism Long Shaft, for 9421LL1, LM1, LX7 or LW7 Operating Mechanism, 9421LS10
$53.71 each
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Product Image of Circuit Breaker Handle Assembly, for 9421LW7 Operating Mechanisms, Door Mounted Mechanisms, PowerPact Circuit Breaker, 9421LCP48
$285.06 each
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Product Image of Circuit Breaker Padlock Handle, Removable, Lock OFF Only, for PowerPacT B/H/J/L, S29370
$66.90 each
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Product Image of Circuit Breaker Neutral Assembly (1 AWG), for LA/LH Circuit Breakers, SN400LA
$281.47 each
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Product Image of Circuit Breaker Enclosure, NEMA 3R/12, Without Knockouts, for LA/LH (125-400A, 2-3 Pole), LA400AWK
$1,306.71 each
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Product Image of Circuit Breaker Lug Kit, Mechanical, Terminal, Control Wire (Qty 2), for PowerPacT H, S37423-SQUARE-D
$58.06 each
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Product Image of Circuit Breaker Nut For PowerPact J-Frame, S37445
$108.19 each
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Product Image of Circuit Breaker Shunt Trip (24V AC/DC, 30VDC), for PowerPacT M/P/R, S33659
$708.12 each
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Product Image of Circuit Breaker Padlock Device For PowerPact, MPRPAF
$128.09 each
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Product Image of 100 Amp Circuit Breaker Connector 2 AWG, For Comb Busbars, A9XPCM04
$116.06 each
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Product Image of Circuit Breaker Padlock Device For PowerPact, HPAFYQ
$25.03 each
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Product Image of Circuit Breaker Handle Assembly, for 9421LG7, LF1, LK1, LJ7 or LL1 Operating Mechanisms, PowerPact H & J Frame Circuit Breaker, 9421LH46
$215.10 each
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Product Image of Circuit Breaker Operating Mechanism Handle, for Disconnect Switches (30...200 A), 9422A2
$411.61 each
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Product Image of Circuit Breaker Toggle Padlocking Device For PowerPact, S44936
$39.70 each
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Product Image of 800 Amp Circuit Breaker Operating Mechanism, for MEL, MXL, MAL & MHL Circuit Breaker, 9421LT1
$511.13 each
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Product Image of Circuit Breaker Handle For 9421LW7 Operating Mechanism, 9421LHP48
$170.98 each
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Product Image of Circuit Breaker Power Distribution Connector 14-2 AWG, PDC3FA2
$82.39 each
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Product Image of Circuit Breaker Rotary Handle For H & J Frame Breakers, S29337
$169.44 each
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Product Image of 400 Amp Circuit Breaker Operating Mechanism, for Q4L, LAL/LHL Circuit Breaker, 9421LR1
$527.51 each
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Product Image of Circuit Breaker Enclosure, NEMA 1, Surface Mount, for PowerPacT H (15-100A, 3 Pole), HD100S
$262.90 each
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Product Image of Circuit Breaker Operating Mechanism, for PowerPact H & J Frame Circuit Breaker, 9422RQ1
$447.80 each
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Product Image of Mechanical Lug Kit for PowerPacT M/P Circuit Breakers (800A, 3/0 AWG to 750kcmil, Aluminum), AL800P7K
$576.14 each
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Product Image of Circuit Breaker Handle Padlock Attachment, HPAFD
$32.65 each
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Product Image of 250 Amp Circuit Breaker Operating Mechanism, for PowerPact H & J Frame Circuit Breaker, 9421LJ7
$222.51 each
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Product Image of Circuit Breaker Screw For PowerPact, S36967
$36.92 each
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Product Image of Circuit Breaker Cable Mechanism, for PowerPact H & J Frame Kit Circuit Breaker, 9422CSF50
$489.21 each
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Product Image of Distribution Panel, QO, for I-Line Panelboards (6 Spaces, 30A, 3 Pole, 25kA), HQO306
$459.04 each
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Product Image of Circuit Breaker Cable Mechanism, for PowerPact L Frame Kit Circuit Breaker, 9422CSJ50
$691.14 each
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Product Image of Tapped Mechanical Lug Kit for PowerPacT P Circuit Breakers (800A, 3/0 AWG to 500kcmil, Aluminum), AL800M23TK
$443.27 each
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Product Image of Circuit Breaker Cable Operating Mechanism, for PowerPact M or P Frame Circuit Breaker, 9422CMP50
$1,136.19 each
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Product Image of Circuit Breaker Auxiliary Switch For PowerPact, S29450
Circuit Breaker Auxiliary Switch For PowerPact, S29450
SKU: S29450-SQUARE-D
Square D
SKU: S29450-SQUARE-D
Brand: Square D
$290.59 each
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Product Image of Power Distribution Connector Kit (15-150A, Qty 3), for PowerPacT H Circuit Breakers, PDC6HD6
$377.19 each
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Product Image of Circuit Breaker Enclosure, NEMA 1, Surface Mount, for PowerPacT J (150-250A), JD250S
$364.26 each
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Product Image of 100 Amp Circuit Breaker Operating Mechanism, for PowerPact M or P Frame Circuit Breaker, 9421LW7
$247.63 each
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Product Image of Circuit Breaker Handle For 9421LG7, LF1, LK1 or LJ7 Operating Mechanism, 9421LH43
$313.62 each
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Product Image of Circuit Breaker Shunt Trip 24 VDC Control Voltage, For H, J, and L Frame Circuit Breakers, S29390
$540.20 each
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Product Image of Circuit Breaker Standard Shaft, for All 9421L Operating Mechanism, PowerPact H & J Frame Circuit Breaker, 9421LS8
Circuit Breaker Standard Shaft, for All 9421L Operating Mechanism, PowerPact H & J Frame Circuit Breaker, 9421LS8
SKU: 9421LS8
Square D
SKU: 9421LS8
Brand: Square D
$33.70 each
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More About Circuit Breaker Accessories
Circuit Breaker Accessories include essential components used to install, customize, and maintain circuit breakers in electrical panels and distribution systems. Common accessories include neutral assemblies, lug kits, handle ties, auxiliary switches, and mounting hardware. Designed for compatibility with various breaker models, these parts help ensure safe operation, proper wiring connections, and reliable circuit protection.