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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Zinsco QB30 Miniature Circuit Breakers (MCBs) 1P 30A 240V 50/60Hz 1Ph
MSRP $30.90Surplus $28.52Zinsco QB30 Miniature Circuit Breakers (MCBs) 1P 30A 240V 50/60Hz 1Ph​ ARCA SKU: C15-3229 Brand: Zinsco MPN: QB30 UPC: 639720247305 Shipping Weight: 0.30 Shipping Height: 1.00 In. Shipping...- SKU:
- C15-3229
- Volts:
- 240 V
- Amps:
- 30 A
- Poles:
- 1
- Frequency Rating:
- 50/60 Hz
- Short Description:
- 15/16 X 16IN QUIK-BIT FLAT WOOD BORING BIT
MSRP $30.90Surplus $28.52 -
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Zinsco QC50 Miniature Circuit Breakers (MCBs) 2P 50A
MSRP $131.53Surplus $56.52Zinsco QC50 Miniature Circuit Breakers (MCBs) 2P 50A​ ARCA SKU: C15-6720 Brand: Zinsco MPN: QC50 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping...- SKU:
- C15-6720
MSRP $131.53Surplus $56.52 -
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Zinsco QC60 Miniature Circuit Breakers (MCBs)
MSRP $131.53Surplus $47.35Zinsco QC60 Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-6721 Brand: Zinsco MPN: QC60 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00...- SKU:
- C15-6721
MSRP $131.53Surplus $47.35 -
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Zinsco UBIZ-0260 Miniature Circuit Breakers (MCBs) RC 2P 60A 240V 50/60Hz 1Ph
MSRP $61.00Surplus $30.19Zinsco UBIZ-0260 Miniature Circuit Breakers (MCBs) RC 2P 60A 240V 50/60Hz 1Ph​ ARCA SKU: C15-3860 Brand: Zinsco MPN: UBIZ-0260 UPC: 094925030372 Shipping Weight: 0.45 Shipping Height: 1.00...- SKU:
- C15-3860
- Series:
- Series UBIZ
- Type:
- Thin
- Approval:
- ETL (Canada and US)
- Size:
- 5.63 Inch Length x 0.75 Inch Width x 2.53 Inch Height
- Volts:
- 120/240 V
- Amps:
- 32 A
- Used On:
- Zinsco RC Series Loadcenter
- Poles:
- 2
- Mounting:
- Plug-In
- Interrupting Rating:
- 10000 A
- Short Description:
- 120/240 V, 60 A, 2-Pole, Plug-In, Thin
- Catalog:
- CONCUTE00010_2_1.pdf
MSRP $61.00Surplus $30.19 -
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Zinsco ZINSCO Miniature Circuit Breakers (MCBs) 2P 40A
MSRP $132.74Surplus $46.16Zinsco ZINSCO Miniature Circuit Breakers (MCBs) 2P 40A​ ARCA SKU: E30-11495 Brand: Zinsco MPN: ZINSCO UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping...- SKU:
- E30-11495
MSRP $132.74Surplus $46.16 -
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Westinghouse HQP2020 Miniature Circuit Breakers (MCBs) 2P 20A 120V EA
MSRP $163.78Surplus $7.03Westinghouse HQP2020 Miniature Circuit Breakers (MCBs) 2P 20A 120V EA​ ARCA SKU: C15-5581 Brand: Westinghouse MPN: HQP2020 UPC: 78667934390 Shipping Weight: 0.55 lbs. Shipping...- SKU:
- C15-5581
- TS PIK:
- 21509588
- Terminal Type:
- Plug-On
- Catalog:
- Eaton_03771_V4T1_5_V4T1_6_CAT.pdf
- Short Description:
- 120/240 VAC, 20 A, 10 kA, 2-Pole, Female Clip Terminal, Plug-On Mount, Thermal Magnetic, Miniature, Circuit Breaker
- Voltage Rating:
- 120/240 VAC
- Current Rating:
- 20 A
- Type:
- Thermal Magnetic
- Number of Poles:
- 2
- Series:
- HQP
- Wire Size:
- 14 to 4 AWG Aluminum/Copper (Load)
- Interrupting Rating:
- 10000 A at 120/240 VAC, 5000 A at 24 to 48/62.5/80 VDC
- Mounting:
- Plug-On
- Country of Origin:
- Dominican Republic
- Main Category:
- Miniature Circuit Breakers (MCBs)
MSRP $163.78Surplus $7.03 -
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Eaton BW2200 Main Breakers
MSRP $526.13Surplus $55.15Eaton BW2200 Main Breakers​ ARCA SKU: C15-1708 Brand: Eaton MPN: BW2200 UPC: 786676460552 Shipping Weight: 2.70 lbs. Shipping Height: 5.00 In. Shipping Length: 7.00 In...- SKU:
- C15-1708
- Series:
- BW
- Type:
- Main
- Approval:
- UL 489
- Volts:
- 208 VAC Star/120 VAC
- Amps:
- 32 A
- Used On:
- ECB Unit Enclosure
- Poles:
- 2
- Mounting:
- Plug-On
- Interrupting Rating:
- 10 kA
- Wire Size:
- 2 AWG to 300 KCMIL (Copper/Aluminum)
- Current Rating:
- 200 A
- Number of Poles:
- 2
- Voltage Rating:
- 120/240 VAC
- Short Description:
- 208 Star/120 VAC, 240 VAC, 200 A, 10 kA, 2-Pole, Plug-On Mount, Main, Circuit Breaker
- Catalog:
- Eaton_36620_V1T4_37_V1T4_38_V1T4_56_V1T4_60_CAT.pdf
- TS PIK:
- 21494728
MSRP $526.13Surplus $55.15 -
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THQL1120AF Miniature Circuit Breakers (MCBs) THQL 1P 20A 120V
MSRP $249.17Surplus $19.31THQL1120AF Miniature Circuit Breakers (MCBs) THQL 1P 20A 120V​ ARCA SKU: C15-3945 Brand: MPN: THQL1120AF UPC: 783164267488 Shipping Weight: 0.45 Shipping Height: 1.00 In. Shipping...- SKU:
- C15-3945
- Type:
- Plug-On Mount
- Terminal Type:
- ‎AFCI
- Voltage Rating:
- 120 VAC
- Short Description:
- ARC Fault Circuit Breaker, 20A 120VAC Single Pole AFCI
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00542_6_4_6_5_6_8_6_31_CAT.pdf
- CAD Drawings:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00500_1_CAD.pdf
- Current Rating:
- 20 A
- Number of Poles:
- 1
- Interrupting Rating:
- 10 kA at 120/240 VAC
MSRP $249.17Surplus $19.31 -
Eaton BRP120AF Miniature Circuit Breakers (MCBs)
MSRP $130.00Surplus $37.34Eaton BRP120AF Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-1349 Brand: Eaton MPN: BRP120AF UPC: 78668904102 Shipping Weight: 0.45 lbs. Shipping Height: 2.00 In. Shipping...- SKU:
- C15-1349
- Approval:
- UL
- Size:
- 1 Inch Width x 2.56 Inch Depth x 1.1 Inch Height
- Volts:
- 120 VAC
- Amps:
- 32 A
- Interrupting Rating:
- 10 kA
- Enclosure:
- Indoor/Outdoor
- Terminal Type:
- Plug-On
- Application:
- BR Load Center
- Wire Size:
- 14 to 8 AWG (Copper/Aluminum)
- Poles:
- 1
- Short Description:
- 120 VAC, 20 A, 1-Pole, 10 kA, Plug-On Neutral, Wide
- Catalog:
- Eaton_00001_V1T1_50_V1T1_86_CAT.pdf
- Installation/Operator:
- Eaton_00005_INST.pdf
- CAD Drawing:
- Eaton_41108_1_CAD.pdf
- TS PIK:
- 127414229
- Voltage Rating:
- 120 VAC
- Current Rating:
- 20 A
- Type:
- Plug-On Neutral, Wide
- Mounting:
- Plug-On
- Number of Poles:
- 1
- Series:
- BR
- Country of Origin:
- Dominican Republic
MSRP $130.00Surplus $37.34 -
Eaton GFTCB250CS Miniature Circuit Breakers (MCBs) GF 2P 50A 240V 50/60Hz 1Ph
MSRP $692.77Surplus $129.39Eaton GFTCB250CS Miniature Circuit Breakers (MCBs) GF 2P 50A 240V 50/60Hz 1Ph​ ARCA SKU: C15-2806 Brand: Eaton MPN: GFTCB250CS UPC: 786680148712 Shipping Weight: 0.85 Shipping Height: 3.00...- SKU:
- C15-2806
- Series:
- GF
- Volts:
- 240 V
- Amps:
- 50 A
- Poles:
- 2
- Frequency Rating:
- 50/60 Hz
- Short Description:
- EATON BR GFCI CIRCUIT BREAKER,GROUND FAULT PERSONNEL PROTECTION CIRCUIT BREAKERS
- Number of Poles:
- 2
- Country of Origin:
- Dominican Republic
MSRP $692.77Surplus $129.39 -
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Westinghouse 1258C89G01 Air Circuit Breakers (ACBs) EA
MSRP $1,800.00Surplus $198.98SKU: E30-11871 Brand: Westinghouse MPN: 1258C89G01 UPC: 78667802468 Shipping Weight: 3.90 lbs. Shipping Height: 4.00 In. Shipping Length: 5.00 In. Shipping Width: 4...- SKU:
- E30-11871
- Short Description:
- Westinghouse Air Circuit Breaker
MSRP $1,800.00Surplus $198.98 -
Siemens Q330 Miniature Circuit Breakers (MCBs) Q 3P 30A 240V EA
MSRP $329.00Surplus $54.26Siemens Q330 Miniature Circuit Breakers (MCBs) Q 3P 30A 240V EA​ ARCA SKU: C15-3643 Brand: Siemens MPN: Q330 UPC: 78364314841 Shipping Weight: 0.95 lbs. Shipping Height: 3.00 In...- SKU:
- C15-3643
- Approval:
- UL 489
- Amps:
- 30 A
- Interrupting Rating:
- 10 kA
- Mounting:
- Plug-On
- Poles:
- 3
- Size:
- 3 Inch Width x 3 Inch Depth x 3 Inch Height
- Terminal Type:
- Thermal Magnetic
- Type:
- Common Trip
- Used On:
- Load Centre Main
- Used On:
- Feeder
- Volts:
- 240 V
- Gauge:
- 0
- Short Description:
- 240 V, 30 A, 10 kA, 3-Pole, Plug-In, QP/MP Frame, Common Trip, Thermal Magnetic, Miniature, Circuit Breaker
- Data Sheet:
- SiemensAG_01548_1_DATA.pdf
- TS PIK:
- 21366630
- Number of Poles:
- 3
- Catalog:
- SiemensAG_01502_1_12_CAT.pdf
- Voltage Rating:
- 240 V
- Current Rating:
- 30 A
- Country of Origin:
- Mexico
MSRP $329.00Surplus $54.26
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