Molded Case Circuit Breakers

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Challenger/Sylvania SEH-1-C-20 20 Amp 1 Pole 277V Circuit BreakerChallenger/Sylvania SEH-1-C-20 20 Amp 1 Pole 277V Circuit Breaker
GTE Sylvania / Challenger Challenger/Sylvania SEH-1-C-20 20 Amp 1 Pole 277V Circuit Breaker
From $27.99
 In stock, 92 units
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Connecticut Elec./UB Inc UBIZ-215 15 Amp 2 Pole 120/240V Circuit BreakerConnecticut Elec./UB Inc UBIZ-215 15 Amp 2 Pole 120/240V Circuit Breaker
Connecticut Electric / UB Inc Connecticut Elec./UB Inc UBIZ-215 15 Amp 2 Pole 120/240V Circuit Breaker
From $64.99
 In stock, 3 units
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Connecticut Elect./UB Inc. UBIZ-2020 20 Amp 1 Pole 120/240V Circuit Breaker UBIZ-0220Connecticut Elect./UB Inc. UBIZ-2020 20 Amp 1 Pole 120/240V Circuit Breaker UBIZ-0220
Connecticut Electric / UB Inc Connecticut Elect./UB Inc. UBIZ-2020 20 Amp 1 Pole 120/240V Circuit Breaker UBIZ-0220
$14.99
 Sold out
Connecticut Electric UBIZ-1520 15/20 Amp Tandem Single Pole 120/240V BreakerConnecticut Electric UBIZ-1520 15/20 Amp Tandem Single Pole 120/240V Breaker
Connecticut Electric / UB Inc Connecticut Electric UBIZ-1520 15/20 Amp Tandem Single Pole 120/240V Breaker
$12.99
 Only 1 unit left
Connecticut Electric./UB Inc. UBIZ-0250 50 Amp 2 Pole 120/240V Circuit BreakerConnecticut Electric./UB Inc. UBIZ-0250 50 Amp 2 Pole 120/240V Circuit Breaker
Connecticut Electric Connecticut Electric./UB Inc. UBIZ-0250 50 Amp 2 Pole 120/240V Circuit Breaker
$19.99
 In stock, 34 units
Connecticut Electric./UB Inc. UBIZ-15 15 Amp 1 Pole 120/240V Circuit BreakerConnecticut Electric./UB Inc. UBIZ-15 15 Amp 1 Pole 120/240V Circuit Breaker
Connecticut Electric / UB Inc Connecticut Electric./UB Inc. UBIZ-15 15 Amp 1 Pole 120/240V Circuit Breaker
From $4.99
 In stock, 16 units
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Connecticut Electric./UB Inc. UBIZ-30 30 Amp 1 pole 120/240V Circuit BreakerConnecticut Electric./UB Inc. UBIZ-30 30 Amp 1 pole 120/240V Circuit Breaker
Connecticut Electric Connecticut Electric./UB Inc. UBIZ-30 30 Amp 1 pole 120/240V Circuit Breaker
$9.99
 In stock, 15 units
Connecticut Electric/UB Inc UBIZ-1515 15 Amp 2 Pole 120/240V Circuit BreakerConnecticut Electric/UB Inc UBIZ-1515 15 Amp 2 Pole 120/240V Circuit Breaker
Connecticut Electric Connecticut Electric/UB Inc UBIZ-1515 15 Amp 2 Pole 120/240V Circuit Breaker
$9.99
 Sold out
Connecticut Electric/UB Inc. UBIZ-0240 40/40 Amp 2 Pole 120/240V Circuit BreakerConnecticut Electric/UB Inc. UBIZ-0240 40/40 Amp 2 Pole 120/240V Circuit Breaker
Connecticut Electric Connecticut Electric/UB Inc. UBIZ-0240 40/40 Amp 2 Pole 120/240V Circuit Breaker
$14.99
 Only 1 unit left
Connecticut Electric/UB Inc. UBIZ-20 20 Amp 1 Pole 120/240V Circuit BreakerConnecticut Electric/UB Inc. UBIZ-20 20 Amp 1 Pole 120/240V Circuit Breaker
Connecticut Electric / UB Inc Connecticut Electric/UB Inc. UBIZ-20 20 Amp 1 Pole 120/240V Circuit Breaker
From $3.99
 In stock, 36 units
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Connecticut/ UB Inc. UBIZ-0225 25 Amp 2 Pole 120/240V Thin Circuit BreakerConnecticut/ UB Inc. UBIZ-0225 25 Amp 2 Pole 120/240V Thin Circuit Breaker
Connecticut Electric / UB Inc Connecticut/ UB Inc. UBIZ-0225 25 Amp 2 Pole 120/240V Thin Circuit Breaker
$24.99
 In stock, 2 units
Crouse Hinds MP120 20 Amp 1 Pole 120/240V Circuit BreakerCrouse Hinds MP120 20 Amp 1 Pole 120/240V Circuit Breaker
Crouse-Hinds Crouse Hinds MP120 20 Amp 1 Pole 120/240V Circuit Breaker
$3.99
 In stock, 246 units
Crouse Hinds MP120 20 Amp 1 Pole 120/240V Circuit Breaker - Cosmetic FlawCrouse Hinds MP120 20 Amp 1 Pole 120/240V Circuit Breaker - Cosmetic Flaw
Crouse-Hinds Crouse Hinds MP120 20 Amp 1 Pole 120/240V Circuit Breaker - Cosmetic Flaw
$2.99
 In stock, 12 units
Crouse Hinds MP230 30 Amp 2 Pole 120/240V Type MP Circuit BreakerCrouse Hinds MP230 30 Amp 2 Pole 120/240V Type MP Circuit Breaker
Murray / Crouse-Hinds Crouse Hinds MP230 30 Amp 2 Pole 120/240V Type MP Circuit Breaker
$14.99
 In stock, 57 units
Crouse-Hinds MD2150A 150 Amp 2 Pole 120/240V Type MD-A Main BreakerCrouse-Hinds MD2150A 150 Amp 2 Pole 120/240V Type MD-A Main Breaker
Crouse-Hinds Crouse-Hinds MD2150A 150 Amp 2 Pole 120/240V Type MD-A Main Breaker
From $369.99
 In stock, 4 units
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Crouse-Hinds MM115L 15 Amp 1 Pole 120/240V Circuit BreakerCrouse-Hinds MM115L 15 Amp 1 Pole 120/240V Circuit Breaker
Crouse-Hinds Crouse-Hinds MM115L 15 Amp 1 Pole 120/240V Circuit Breaker
$12.99
 In stock, 2 units
Crouse-Hinds MM115R 15 Amp 1 Pole 120/240V Circuit BreakerCrouse-Hinds MM115R 15 Amp 1 Pole 120/240V Circuit Breaker
Crouse-Hinds Crouse-Hinds MM115R 15 Amp 1 Pole 120/240V Circuit Breaker
$12.99
 Only 1 unit left
Crouse-Hinds MP120GF 20 Amp 1 Pole 120V GFI/GFCI Circuit BreakerCrouse-Hinds MP120GF 20 Amp 1 Pole 120V GFI/GFCI Circuit Breaker
Crouse-Hinds Crouse-Hinds MP120GF 20 Amp 1 Pole 120V GFI/GFCI Circuit Breaker
$15.99
 Only 1 unit left
Crouse-Hinds MP120GF 20 Amp 1 Pole 120V GFI/GFCI Circuit Breaker - Cosmetic FlawCrouse-Hinds MP120GF 20 Amp 1 Pole 120V GFI/GFCI Circuit Breaker - Cosmetic Flaw
Crouse-Hinds Crouse-Hinds MP120GF 20 Amp 1 Pole 120V GFI/GFCI Circuit Breaker - Cosmetic Flaw
$14.99
 Sold out
Crouse-Hinds MP2100 100 Amp 2 Pole 120/240V Circuit Breaker - Cosmetic FlawCrouse-Hinds MP2100 100 Amp 2 Pole 120/240V Circuit Breaker - Cosmetic Flaw
Crouse-Hinds Crouse-Hinds MP2100 100 Amp 2 Pole 120/240V Circuit Breaker - Cosmetic Flaw
$14.99
 Only 1 unit left
Crouse-Hinds MP230 30 Amp 2 Pole 240V Type MP Circuit Breaker - Cosmetic FlawCrouse-Hinds MP230 30 Amp 2 Pole 240V Type MP Circuit Breaker - Cosmetic Flaw
Murray / Crouse-Hinds Crouse-Hinds MP230 30 Amp 2 Pole 240V Type MP Circuit Breaker - Cosmetic Flaw
$9.99
 In stock, 6 units
Crouse-Hinds MP235 35 Amp 2 Pole 120/240V Circuit Breaker - Cosmetic FlawCrouse-Hinds MP235 35 Amp 2 Pole 120/240V Circuit Breaker - Cosmetic Flaw
Crouse-Hinds Crouse-Hinds MP235 35 Amp 2 Pole 120/240V Circuit Breaker - Cosmetic Flaw
$11.99
 Only 1 unit left
Crouse-Hinds MP240 40 Amp 2 Pole 120/240V Circuit Breaker - Cosmetic FlawCrouse-Hinds MP240 40 Amp 2 Pole 120/240V Circuit Breaker - Cosmetic Flaw
Crouse-Hinds Crouse-Hinds MP240 40 Amp 2 Pole 120/240V Circuit Breaker - Cosmetic Flaw
$5.99
 In stock, 7 units
Crouse-Hinds MP270 70 Amp 2 Pole 120/240V Circuit Breaker - Cosmetic FlawCrouse-Hinds MP270 70 Amp 2 Pole 120/240V Circuit Breaker - Cosmetic Flaw
Crouse-Hinds Crouse-Hinds MP270 70 Amp 2 Pole 120/240V Circuit Breaker - Cosmetic Flaw
$12.99
 Only 1 unit left
Save 50%
Front view of a Crouse-Hinds MD2200 circuit breaker on a white background.Top view of a Crouse-Hinds MD2200 circuit breaker on a white background.
Crouse-Hinds Crouse-Hinds/Murray MD2200A/MD2200 200 Amp 2 Pole 120/240V Circuit Breaker
From $199.99 $399
 In stock, 19 units
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Cutler Hammer BAB1015 15 Amp 1 Pole 120/240V Bolt On Breaker - Cosmetic FlawCutler Hammer BAB1015 15 Amp 1 Pole 120/240V Bolt On Breaker - Cosmetic Flaw
Eaton / Cutler Hammer Cutler Hammer BAB1015 15 Amp 1 Pole 120/240V Bolt On Breaker - Cosmetic Flaw
$7.99
 In stock, 2 units
Cutler Hammer BAB1015 15 Amp 1 Pole 120/240V Bolt On Type BA Circuit BreakerCutler Hammer BAB1015 15 Amp 1 Pole 120/240V Bolt On Type BA Circuit Breaker
Eaton / Cutler Hammer Cutler Hammer BAB1015 15 Amp 1 Pole 120/240V Bolt On Type BA Circuit Breaker
$9.99
 In stock, 20 units
Cutler Hammer BAB1020 20 Amp 1 Pole 120/240V Bolt On Circuit BreakerCutler Hammer BAB1020 20 Amp 1 Pole 120/240V Bolt On Circuit Breaker
Eaton / Cutler Hammer Cutler Hammer BAB1020 20 Amp 1 Pole 120/240V Bolt On Circuit Breaker
From $8.99
 In stock, 184 units
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Cutler Hammer BAB2020 20 Amp 2 Pole 120/240V Bolt-On Circuit BreakerCutler Hammer BAB2020 20 Amp 2 Pole 120/240V Bolt-On Circuit Breaker
Cutler Hammer Cutler Hammer BAB2020 20 Amp 2 Pole 120/240V Bolt-On Circuit Breaker
$19.99
 In stock, 12 units
Cutler Hammer CH120 20 Amp 1 Pole 120/240V Breaker - Metal Foot 1/2 NotchCutler Hammer CH120 20 Amp 1 Pole 120/240V Breaker - Metal Foot 1/2 Notch
Eaton / Cutler Hammer Cutler Hammer CH120 20 Amp 1 Pole 120/240V Breaker - Metal Foot 1/2 Notch
$9.99
 In stock, 281 units
Cutler Hammer CH120 20 Amp 1 Pole 120/240V Circuit Breaker - Full NotchCutler Hammer CH120 20 Amp 1 Pole 120/240V Circuit Breaker - Full Notch
Cutler Hammer Cutler Hammer CH120 20 Amp 1 Pole 120/240V Circuit Breaker - Full Notch
From $14.99
 Sold out
Cutler Hammer CH120 20 Amp 1 Pole 120/240V Circuit Breaker - Metal FootCutler Hammer CH120 20 Amp 1 Pole 120/240V Circuit Breaker - Metal Foot
Eaton / Cutler Hammer Cutler Hammer CH120 20 Amp 1 Pole 120/240V Circuit Breaker - Metal Foot
$9.99
 In stock, 344 units
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Cutler Hammer CH120 20 Amp 1 Pole 120/240V Circuit Breaker - Plastic FootCutler Hammer CH120 20 Amp 1 Pole 120/240V Circuit Breaker - Plastic Foot
Eaton / Cutler Hammer Cutler Hammer CH120 20 Amp 1 Pole 120/240V Circuit Breaker - Plastic Foot
From $9.95
 In stock, 796 units
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Cutler Hammer CH120 20 Amp 1 Pole Breaker - Plastic Foot - Cosmetic FlawCutler Hammer CH120 20 Amp 1 Pole Breaker - Plastic Foot - Cosmetic Flaw
Eaton / Cutler Hammer Cutler Hammer CH120 20 Amp 1 Pole Breaker - Plastic Foot - Cosmetic Flaw
$7.95
 In stock, 23 units
Cutler Hammer CH120ST 20 Amp 1 Pole 120/240V Breaker w/Shunt Trip - Plastic FootCutler Hammer CH120ST 20 Amp 1 Pole 120/240V Breaker w/Shunt Trip - Plastic Foot
Eaton / Cutler Hammer Cutler Hammer CH120ST 20 Amp 1 Pole 120/240V Breaker w/Shunt Trip - Plastic Foot
$89.99
 Sold out
Cutler Hammer CH130 30 Amp 1 Pole 120/240V Circuit Breaker - Metal FootCutler Hammer CH130 30 Amp 1 Pole 120/240V Circuit Breaker - Metal Foot
Eaton / Cutler Hammer Cutler Hammer CH130 30 Amp 1 Pole 120/240V Circuit Breaker - Metal Foot
$6.99
 In stock, 15 units
Cutler Hammer CH140 40 Amp 1 Pole 120/240V Circuit Breaker - Metal FootCutler Hammer CH140 40 Amp 1 Pole 120/240V Circuit Breaker - Metal Foot
Eaton / Cutler Hammer Cutler Hammer CH140 40 Amp 1 Pole 120/240V Circuit Breaker - Metal Foot
$9.99
 In stock, 41 units
Cutler Hammer CH140 40 Amp 1 Pole 240V Circuit Breaker - Metal Foot 1/2 NotchCutler Hammer CH140 40 Amp 1 Pole 240V Circuit Breaker - Metal Foot 1/2 Notch
Eaton / Cutler Hammer Cutler Hammer CH140 40 Amp 1 Pole 240V Circuit Breaker - Metal Foot 1/2 Notch
From $3.99
 In stock, 135 units
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Cutler Hammer CH140 40A 1 Pole Breaker - Metal Foot 1/2 Notch - Cosmetic FlawCutler Hammer CH140 40A 1 Pole Breaker - Metal Foot 1/2 Notch - Cosmetic Flaw
Eaton / Cutler Hammer Cutler Hammer CH140 40A 1 Pole Breaker - Metal Foot 1/2 Notch - Cosmetic Flaw
$3.99
 Only 1 unit left
Cutler Hammer EHD3030 30 Amp 3 Pole 480V Circuit Breaker - White LabelCutler Hammer EHD3030 30 Amp 3 Pole 480V Circuit Breaker - White Label
Cutler Hammer Cutler Hammer EHD3030 30 Amp 3 Pole 480V Circuit Breaker - White Label
$219.99
 Only 1 unit left
Cutler Hammer/Westinghouse BAB2060/BA260 60 Amp 2 Pole 120/240V Circuit BreakerCutler Hammer/Westinghouse BAB2060/BA260 60 Amp 2 Pole 120/240V Circuit Breaker
Westinghouse / Cutler Hammer Cutler Hammer/Westinghouse BAB2060/BA260 60 Amp 2 Pole 120/240V Circuit Breaker
From $19.99
 In stock, 21 units
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Cutler Hammer/Westinghouse EHD1020 20 Amp 1 Pole 277V Circuit BreakerCutler Hammer/Westinghouse EHD1020 20 Amp 1 Pole 277V Circuit Breaker
Cutler Hammer/Westinghouse Cutler Hammer/Westinghouse EHD1020 20 Amp 1 Pole 277V Circuit Breaker
$7.99
 In stock, 10 units
Cutler Hammer/Westinghouse QBHW2030 30A 2 Pole 240V QuickLag 22k Circuit BreakerCutler Hammer/Westinghouse QBHW2030 30A 2 Pole 240V QuickLag 22k Circuit Breaker
Cutler Hammer Cutler Hammer/Westinghouse QBHW2030 30A 2 Pole 240V QuickLag 22k Circuit Breaker
From $17.95
 In stock, 10 units
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Cutler-Hammer CC2150 150 Amp 2 Pole 240V Type CCV Circuit BreakerCutler-Hammer CC2150 150 Amp 2 Pole 240V Type CCV Circuit Breaker
Cutler Hammer Cutler-Hammer CC2150 150 Amp 2 Pole 240V Type CCV Circuit Breaker
From $149.99
 In stock, 3 units
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Save 1%
Cutler-Hammer CMDL3800F 800 Amp 3 Pole 600V Circuit Breaker w/MES3800LS Amp TripCutler-Hammer CMDL3800F 800 Amp 3 Pole 600V Circuit Breaker w/MES3800LS Amp Trip
Eaton / Cutler-Hammer Cutler-Hammer CMDL3800F 800 Amp 3 Pole 600V Circuit Breaker w/MES3800LS Amp Trip
$1,979.99 $2,000
 Only 1 unit left
Cutler-Hammer CSR2150 150A 2 Pole 120/240v Breaker w/Load Lug Conversion KitCutler-Hammer CSR2150 150A 2 Pole 120/240v Breaker w/Load Lug Conversion Kit
Cutler Hammer Cutler-Hammer CSR2150 150A 2 Pole 120/240v Breaker w/Load Lug Conversion Kit
$79.99
 Only 1 unit left
Cutler-Hammer CSR2150N 150 Amp 2 Pole 120/240V 25Ka Circuit BreakerCutler-Hammer CSR2150N 150 Amp 2 Pole 120/240V 25Ka Circuit Breaker
Cutler Hammer Cutler-Hammer CSR2150N 150 Amp 2 Pole 120/240V 25Ka Circuit Breaker
From $99.87
 In stock, 8 units
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Cutler-Hammer CSR2150N 150A 2 Pole 120/240v Breaker w/Load Lug Conversion KitCutler-Hammer CSR2150N 150A 2 Pole 120/240v Breaker w/Load Lug Conversion Kit
Cutler Hammer Cutler-Hammer CSR2150N 150A 2 Pole 120/240v Breaker w/Load Lug Conversion Kit
$79.99
 Sold out

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