Circuit Breakers
Our selection of circuit breakers spans a wide range of applications, from heavy-duty air circuit breakers (ACBs) to compact miniature circuit breakers (MCBs). We offer leading brands like Eaton, Siemens, and Square D, known for their reliability and performance. Whatever your power management needs, you can find the perfect solution here at ARCA Supply.
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Din Rail Mounted Circuit Breakers
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Main Breakers
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Miniature Circuit Breakers (MCBs)
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Molded Case Breakers (MCCBs)
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Motor Circuit Protector (MCPs)
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Lug Terminal Kits
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Auxiliary, Shunt, Trip Units and UVRs
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Circuit Breaker Accessories
- Product
- Qty in Cart
- Price
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Square D QOB220GFI Miniature Circuit Breakers (MCBs) 2P 20A 120V EA
MSRP $444.00Surplus $205.52Square D QOB220GFI Miniature Circuit Breakers (MCBs) 2P 20A 120V EA​ ARCA SKU: C15-6550 Brand: Square D MPN: QOB220GFI UPC: 78590156302 Shipping Weight: 0.90 lbs. Shipping Height: 2...- SKU:
- C15-6550
- TS PIK:
- 118952636
- Short Description:
- 120/240 VAC 50/60 Hz, 20 A, 10 kA Interrupt, 2-Pole, Bolt-On Mount, 2-Panel Space, Pressure Plate Terminal, Pigtail, 6 mA Class A Ground Fault, Miniature Circuit Breaker
- Terminal Type:
- Pressure Plate
- Type:
- Thermal Magnetic, Common Trip, Equipment Protector
- Series:
- QOB-GFI
- Current Rating:
- 20 A
- Interrupting Rating:
- 10 kA
- Number of Poles:
- 2
- Catalog:
- SchneiderElectric-SquareD_03283_9_14_CAT.pdf
- Data Sheet:
- SchneiderElectric-SquareD_15153_1_2_DATA.pdf
- Used On:
- NQOD Panelboard/Interior
- Installation/Operator:
- SchneiderElectric-SquareD_00198_INST.pdf
- Size:
- 1.5 Inch W x 2.91 Inch D x 4.12 Inch H
- Wire Size:
- 12 to 8 AWG (Aluminum), 14 to 8 AWG (Copper)
- Voltage Rating:
- 120/240 VAC at 50/60 Hz (UL/CSA)
- Mounting:
- Bolt-On
- Prop 65 Warning:
- Yes
- Approval:
- UL, CSA
- Trip Sensitivity:
- 6 MilliA
MSRP $444.00Surplus $205.52 -
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Square D QOB250VH1021 Miniature Circuit Breakers (MCBs)
MSRP $360.00Surplus $109.83Square D QOB250VH1021 Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-6554 Brand: Square D MPN: QOB250VH1021 UPC: 78590172905 Shipping Weight: 1.00 lbs. Shipping Height: 3.00 In...- SKU:
- C15-6554
- TS PIK:
- 109594866
- Short Description:
- 120/240 VAC 50/60 Hz, 50 A, 22 kA, 2-Pole, Q-Frame, Bolt-On Mount, Box Lug Terminal, Miniature, Panelboard Circuit Breaker with 120/208/240 VAC Shunt Trip Package
- Voltage Rating:
- 120/240 VAC 50/60 Hertz
- Current Rating:
- 50 A
- Type:
- Miniature
- Series:
- QOB
- Number of Poles:
- 2
- Catalog:
- SchneiderElectric-Telemecanique_00033_1_15_9_21_CAT.pdf
- Installation/Operator:
- SchneiderElectric_00595_INST.pdf
- Data Sheet:
- SchneiderElectric_11110_1_2_DATA.pdf
- Interrupting Rating:
- 22 kA at 120/240 VAC
- Used On:
- NQ Panelboard
MSRP $360.00Surplus $109.83 -
Square D QOB335 Miniature Circuit Breakers (MCBs) QOB 3P 35A 120V 50/60Hz 3Ph
MSRP $409.00Surplus $108.09Square D QOB335 Miniature Circuit Breakers (MCBs) QOB 3P 35A 120V 50/60Hz 3Ph​ ARCA SKU: C15-3456 Brand: Square D MPN: QOB335 UPC: 785901368335 Shipping Weight: 0.85 Shipping Height: 3.00...- SKU:
- C15-3456
- Series:
- QOB
- Type:
- Miniature
- Type:
- Standard
- Approval:
- UL
- Approval:
- CSA
- Volts:
- 120/240 VAC 50/60 Hertz
- Volts:
- 48 VDC
- Amps:
- 32 A
- Used On:
- NQ Panelboard
- Poles:
- 3
- Interrupting Rating:
- 10 kA at 120/240 V AC
- Interrupting Rating:
- 5 kA at 48 Volt DC
- Installation:
- Bolt-On
- Short Description:
- 120/240 VAC 50/60 Hz, 48 VDC, 35 A, 10 kA, 3-Pole, Q-Frame, Bolt-On Mount, Pressure Plate Terminal, Miniature, Standard
- Catalog:
- SchneiderElectric-SquareD_32357_9_16_CAT.pdf
- Data Sheet:
- SchneiderElectric_21390_1_2_DATA.pdf
- Installation/Operator:
- SchneiderElectric-SquareD_02166_INST.pdf
- Manufacturer Warranty:
- SchneiderElectric-SquareD_00002_WARR.pdf
- Voltage Rating:
- 120/240 V AC 50/60 Hertz, 48 V DC
- Number of Poles:
- 3
- Current Rating:
- 35 A
MSRP $409.00Surplus $108.09 -
Square D QOB360VH Miniature Circuit Breakers (MCBs)
MSRP $475.20Surplus $165.19Square D QOB360VH Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-6399 Brand: Square D MPN: QOB360VH UPC: 78590105483 Shipping Weight: 1.05 lbs. Shipping Height: 3.00 In. Shipping...- SKU:
- C15-6399
- TS PIK:
- 125439273
- Voltage Rating:
- 120/240 VAC
- Current Rating:
- 60 A
- Short Description:
- 120/240 VAC 50/60 Hz, 48 VDC, 60 A, 22 kA, 3-Pole, Q-Frame, Bolt-On Mount, Box Lug Terminal, Miniature, Standard, Panelboard Circuit Breaker
- Series:
- QOB-VH
- Used On:
- NQ Panelboard
- Installation/Operator:
- SchneiderElectric-SquareD_02166_INST.pdf
- Data Sheet:
- SchneiderElectric_21403_1_2_DATA.pdf
- Type:
- Miniature, Standard
- Catalog:
- SchneiderElectric-SquareD_32357_9_16_CAT.pdf
- Number of Poles:
- 3
- Interrupting Rating:
- 22 kA at 120/240 VAC
- Country of Origin:
- Mexico
MSRP $475.20Surplus $165.19 -
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Square D QOM2150VH Miniature Circuit Breakers (MCBs)
MSRP $423.46Surplus $120.85Square D QOM2150VH Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-8654 Brand: Square D MPN: QOM2150VH UPC: 78312600396 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In...- SKU:
- C15-8654
- TS PIK:
- 120851691
MSRP $423.46Surplus $120.85 -
Square D QOM70 Other Circuit Breakers EA
MSRP $200.00Surplus $56.52Square D QOM70 Other Circuit Breakers EA​ ARCA SKU: C15-10991 Brand: Square D MPN: QOM70 UPC: Shipping Weight: 1.35 lbs. Shipping Height: 5.00 In. Shipping Length: 6.00...- SKU:
- C15-10991
- Interrupting Rating:
- 10 kA
- Mounting:
- Plug-On Mount
- Current Rating:
- 70 A
- Number of Poles:
- 3
- Voltage Rating:
- 120/240 VAC
- Short Description:
- Mini circuit breaker, QO, 70A, 3 pole, 120/240VAC, 10kA, plug in
MSRP $200.00Surplus $56.52 -
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Sylvania QFP24-225-3 Molded Case Breakers (MCCBs)
MSRP $710.00Surplus $814.25Sylvania QFP24-225-3 Molded Case Breakers (MCCBs)​ ARCA SKU: C15-8864 Brand: Sylvania MPN: QFP24-225-3 UPC: Shipping Weight: 3.25 lbs. Shipping Height: 4.00 In. Shipping...- SKU:
- C15-8864
MSRP $710.00Surplus $814.25 -
Thomas & Betts GFB220 Miniature Circuit Breakers (MCBs)
MSRP $259.30Surplus $49.04Thomas & Betts GFB220 Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-6798 Brand: Thomas & Betts MPN: GFB220 UPC: Shipping Weight: 0.90 lbs. Shipping Height: 3.00 In. Shipping...- SKU:
- C15-6798
- Number of Poles:
- 2
MSRP $259.30Surplus $49.04 -
THOMAS & BETTS TB215 Miniature Circuit Breakers (MCBs)
MSRP $60.00Surplus $16.47THOMAS & BETTS TB215 Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-8832 Brand: Thomas & Betts MPN: TB215 UPC: Shipping Weight: 0.50 lbs. Shipping Height: 3.00 In. Shipping...- SKU:
- C15-8832
MSRP $60.00Surplus $16.47 -
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Westinghouse EB2030 Molded Case Breakers (MCCBs)
MSRP $334.00Surplus $86.57SKU: U00-9632 Brand: Westinghouse MPN: EB2030 UPC: Shipping Weight: 2.00 lbs. Shipping Height: 3.00 In. Shipping Length: 6.00 In. Shipping Width: 4.00 In. Product...- SKU:
- U00-9632
MSRP $334.00Surplus $86.57 -
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ALTECH 2G20U/15.048U Miniature Circuit Breakers (MCBs) EA
MSRP $18.50Surplus $7.01ALTECH 2G20U/15.048U Miniature Circuit Breakers (MCBs) EA​ ARCA SKU: C15-8809 Brand: Altech MPN: 2G20U/15.048U UPC: Shipping Weight: 0.65 lbs. Shipping Height: 2.00 In. Shipping...- SKU:
- C15-8809
MSRP $18.50Surplus $7.01 -
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ALTECH 3G10U/15.071U Miniature Circuit Breakers (MCBs) EA
MSRP $18.50Surplus $7.01ALTECH 3G10U/15.071U Miniature Circuit Breakers (MCBs) EA​ ARCA SKU: C15-8810 Brand: Altech MPN: 3G10U/15.071U UPC: Shipping Weight: 0.95 lbs. Shipping Height: 4.00 In. Shipping...- SKU:
- C15-8810
MSRP $18.50Surplus $7.01 -
Challenger C250 Everything Else
MSRP $23.27Surplus $8.01Challenger C250 Everything Else​ ARCA SKU: E30-7056 Brand: Challenger MPN: C250 UPC: Shipping Weight: 0.75 lbs. Shipping Height: 3.00 In. Shipping Length: 12.00 In...- SKU:
- E30-7056
MSRP $23.27Surplus $8.01 -
Crouse-Hinds CH270 Miniature Circuit Breakers (MCBs)
MSRP $203.42Surplus $36.76SKU: C15-8030 Brand: Crouse-Hinds MPN: CH270 UPC: 78211310189 Shipping Weight: 0.60 lbs. Shipping Height: 2.00 In. Shipping Length: 4.00 In. Shipping Width: 4.00 In...- SKU:
- C15-8030
- TS PIK:
- 116113430
- Voltage Rating:
- 120/240 V AC
- Series:
- CH
- Interrupting Rating:
- 10 kA at 120/240 V AC
- Wire Size:
- 14 to 2 AWG (Copper/Aluminum), 3/0 AWG (Copper/Aluminum)
- Number of Poles:
- 2
- Type:
- Common Trip
- Short Description:
- 120/240 VAC, 70 A, 2-Pole, 10 kA, Plug-On Mount, Common Trip, Thermal Magnetic, Standard Circuit Breaker
- Used On:
- CH Series LoadCentre
- Current Rating:
- 70 A
- Mounting:
- Plug-On
- Catalog:
- Eaton_00001_V1T1_37_CAT.pdf
MSRP $203.42Surplus $36.76 -
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Cutler-Hammer 1C96646G02 Circuit Breaker Accessories NULL EA
MSRP $78.00Surplus $38.41Cutler-Hammer 1C96646G02 Circuit Breaker Accessories NULL EA​ ARCA SKU: C15-8871 Brand: Eaton Cutler-Hammer MPN: 1C96646G02 UPC: Shipping Weight: 0.95 lbs. Shipping Height: 15.00 In...- SKU:
- C15-8871
MSRP $78.00Surplus $38.41 -
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Cutler-Hammer 21-A171LD4 Circuit Breaker Accessories NULL EA
MSRP $850.00Surplus $226.89SKU: C15-8884 Brand: Eaton Cutler-Hammer MPN: 21-A171LD4 UPC: Shipping Weight: 11.25 lbs. Shipping Height: 5.00 In. Shipping Length: 26.00 In. Shipping Width: 7.00...- SKU:
- C15-8884
MSRP $850.00Surplus $226.89 -
Cutler-Hammer KT2400T Molded Case Breakers (MCCBs) 2P 400A NULL
MSRP $1,016.15Surplus $244.49Cutler-Hammer KT2400T Molded Case Breakers (MCCBs) 2P 400A NULL​ ARCA SKU: A13-1183 Brand: Eaton Cutler-Hammer MPN: KT2400T UPC: 786679852354 Shipping Weight: 1.65 lbs. Shipping...- SKU:
- A13-1183
- Adjustment:
- Magnetic Trip
- Approval:
- UL 489
- Approval:
- CSA C22.2
- Amps:
- 400 A
- Frame:
- K
- Poles:
- 2
- Type:
- Thermal Magnetic
- Short Description:
- 400 A, 2-Pole, K Frame, Thermal Magnetic, Molded Case Circuit Breaker Trip Unit
- Specification/Technical:
- EatonCorp_00439_1_2_SPEC.pdf
- TS PIK:
- 21517244
- Number of Poles:
- 2
- Current Rating:
- 400 A
- Frame Type:
- K
- Catalog:
- EatonCorp_00274_V4T2_305_V4T2_307_CAT.pdf
MSRP $1,016.15Surplus $244.49 -
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Eaton 2KES125T Circuit Breaker Accessories EA
MSRP $312.60Surplus $117.08Eaton 2KES125T Circuit Breaker Accessories EA​ ARCA SKU: C15-9465 Brand: Eaton MPN: 2KES125T UPC: Shipping Weight: 0.05 lbs. Shipping Height: 1.00 In. Shipping Length: 2...- SKU:
- C15-9465
- TS PIK:
- 107000531
MSRP $312.60Surplus $117.08 -
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Eaton 373D958G22 Circuit Breaker Accessories
MSRP $223.67Surplus $126.85SKU: C15-11438 Brand: Eaton MPN: 373D958G22 UPC: Shipping Weight: 0.80 lbs. Shipping Height: 3.00 In. Shipping Length: 7.00 In. Shipping Width: 5.00 In. Product...- SKU:
- C15-11438
MSRP $223.67Surplus $126.85 -
Eaton 5ARMLSI Trip Units
MSRP $14,280.00Surplus $2,760.53SKU: A13-1536 Brand: Eaton MPN: 5ARMLSI UPC: Shipping Weight: 1.25 lbs. Shipping Height: 6.00 In. Shipping Length: 12.00 In. Shipping Width: 7.00 In. Product...- SKU:
- A13-1536
MSRP $14,280.00Surplus $2,760.53
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