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
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- Qty in Cart
- Price
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Contact Us For Quote
Siemens B120H00S01 Miniature Circuit Breakers (MCBs) 1P 20A 120V
MSRP $554.00Surplus $198.49Siemens B120H00S01 Miniature Circuit Breakers (MCBs) 1P 20A 120V​ ARCA SKU: C15-6106 Brand: Siemens MPN: B120H00S01 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In...- SKU:
- C15-6106
- Interrupting Rating:
- 22 kA at 120 VAC (UL)
- Used On:
- P1/P2/P3/P4/P5 Panelboard
- Voltage Rating:
- 120 VAC at 50/60 Hz (UL)
- Catalog:
- SiemensAG_00564_7_29_CAT.pdf
- Number of Poles:
- 1
- Current Rating:
- 20 A
- Data Sheet:
- SiemensAG_05165_1_DATA.pdf
- Type:
- Molded Case, Thermal and Fixed Magnetic
- Short Description:
- 120 VAC, 20 A, 22 kA, 1-Pole, Bolt-On Mount, Molded Case, Shunt Trip, Panelboard Circuit Breaker
- Country of Origin:
- Mexico
MSRP $554.00Surplus $198.49 -
Siemens B120HH Miniature Circuit Breakers (MCBs) 20A
MSRP $285.00Surplus $29.96Siemens B120HH Miniature Circuit Breakers (MCBs) 20A​ ARCA SKU: C15-1456 Brand: Siemens MPN: B120HH UPC: 78364326409 Shipping Weight: 0.30 lbs. Shipping Height: 3.00 In. Shipping...- SKU:
- C15-1456
- Type:
- Molded Case
- Type:
- Thermal and Fixed Magnetic
- Approval:
- UL 489
- Approval:
- CSA C22.2
- Volts:
- 120 VAC at 50/60 Hz (UL)
- Amps:
- 32 A
- Used On:
- P1/P2/P3/P4/P5 Panelboard
- Poles:
- 1
- Interrupting Rating:
- 65 kA at 120 VAC (UL)
- Application:
- Lighting
- Application:
- Distribution
- Installation:
- Bolt-On
- Short Description:
- 120 VAC, 20 A, 65 kA, 1-Pole, Bolt-On Mount, Molded Case, Thermal Magnetic
- Catalog:
- SiemensAG_00876_5_18_5_19_CAT.pdf
- Data Sheet:
- SiemensAG_01598_1_DATA.pdf
- TS PIK:
- 21368427
- Current Rating:
- 20 A
- Voltage Rating:
- 120 VAC
- Number of Poles:
- 1
- Mounting:
- Bolt-On
- Series:
- B
- Country of Origin:
- Mexico
MSRP $285.00Surplus $29.96 -
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Siemens B125 Molded Case Breakers (MCCBs)
MSRP $89.00Surplus $54.86SKU: C15-11427 Brand: Siemens MPN: B125 UPC: 78364326343 Shipping Weight: 1.00 lbs. Shipping Height: 3.00 In. Shipping Length: 4.00 In. Shipping Width: 1.00 In...- SKU:
- C15-11427
- Data Sheet:
- SchneiderElectric-SquareD_12318_1_2_DATA.pdf
- Installation/Operator:
- SchneiderElectric-SquareD_00004_INST.pdf
- Catalog:
- SchneiderElectric-SquareD_03264_1_33_1_40_CAT.pdf
- Short Description:
- 1-1/4", Bolt-On Mount, Rainproof, Load Center Hub
MSRP $89.00Surplus $54.86 -
Siemens B130 Miniature Circuit Breakers (MCBs)
MSRP $83.50Surplus $11.05Siemens B130 Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-6110 Brand: Siemens MPN: B130 UPC: Shipping Weight: 0.35 lbs. Shipping Height: 3.00 In. Shipping Length: 4...- SKU:
- C15-6110
- Used On:
- P1/P2/P3/P4/P5 Panelboard
- Short Description:
- 120 VAC 50/60 Hz, 30 A, 10 kA, 1-Pole, BL Frame, Bolt-On, Molded Case, Thermal and Fixed Magnetic Trip, Common Trip, Panelboard Circuit Breaker
- Voltage Rating:
- 120 VAC
- Number of Poles:
- 1
- Type:
- Molded Case, Thermal and Fixed Magnetic, Branch
- Current Rating:
- 30 A
- Interrupting Rating:
- 10 kA at 120 VAC
- Catalog:
- SiemensAG_01502_5_8_5_19_10_14_CAT.pdf
- Mounting:
- Bolt-On
- Installation/Operator:
- RegalBeloit-Century_00001_INST.pdf
- CAD Drawings:
- RegalBeloit-Century_01778_1_CAD.pdf
- Data Sheet:
- RegalBeloit-Century_00562_1_2_DATA.pdf
- Country of Origin:
- Mexico
MSRP $83.50Surplus $11.05 -
Siemens B13000S01 Miniature Circuit Breakers (MCBs) EA
MSRP $515.00Surplus $183.76SKU: C15-10303 Brand: Siemens MPN: B13000S01 UPC: 78364326825 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-10303
- TS PIK:
- 115554955
- Short Description:
- 120 VAC, 30 A, 10 kA, 1-Pole, Bolt-On Mount, Molded Case, Shunt Trip, Panelboard Circuit Breaker
- Type:
- Molded Case, Thermal and Fixed Magnetic
- Catalog:
- SiemensAG_00564_7_29_CAT.pdf
- Current Rating:
- 30 A
- Interrupting Rating:
- 10 kA at 120 VAC (UL)
- Number of Poles:
- 1
- Used On:
- P1/P2/P3/P4/P5 Panelboard
- Data Sheet:
- SiemensAG_05169_1_DATA.pdf
- Voltage Rating:
- 120 VAC at 50/60 Hz (UL)
- Country of Origin:
- Mexico
MSRP $515.00Surplus $183.76 -
Siemens B140 Miniature Circuit Breakers (MCBs)
MSRP $83.50Surplus $19.44Siemens B140 Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-6072 Brand: Siemens MPN: B140 UPC: Shipping Weight: 0.35 lbs. Shipping Height: 3.00 In. Shipping Length: 4...- SKU:
- C15-6072
- Prop 65 Warning:
- Yes
- Type:
- B, Classical
- Short Description:
- 0.66" x 0.41", 143" Outside Length, 141.8" Datum Length, Rubber Compound, Polyester Cord, Classical, Type B, V-Belt
- Catalog:
- BandoUSA_00001_4_19_20_CAT.pdf
- Country of Origin:
- Mexico
MSRP $83.50Surplus $19.44 -
Siemens B150 Miniature Circuit Breakers (MCBs)
MSRP $83.50Surplus $12.46Siemens B150 Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-6073 Brand: Siemens MPN: B150 UPC: Shipping Weight: 0.35 lbs. Shipping Height: 3.00 In. Shipping Length: 4...- SKU:
- C15-6073
- Used On:
- Combination Service Entrance Device, Load Center
- Catalog:
- SchneiderElectric-SquareD_03264_1_33_1_40_CAT.pdf
- Mounting:
- Bolt-On
- Data Sheet:
- SchneiderElectric-SquareD_12321_1_2_DATA.pdf
- Installation/Operator:
- SchneiderElectric-SquareD_00004_INST.pdf
- Short Description:
- 1-1/2", Bolt-On Mount, Rainproof, Load Center Hub
- Number of Poles:
- 1
- Size:
- Standard
- Type:
- Bathroom Tissue, Roll
- Country of Origin:
- Mexico
MSRP $83.50Surplus $12.46 -
Siemens B2100 Miniature Circuit Breakers (MCBs)
MSRP $498.00Surplus $93.10Siemens B2100 Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-2264 Brand: Siemens MPN: B2100 UPC: Shipping Weight: 0.56 lbs. Shipping Height: 2.00 In. Shipping...- SKU:
- C15-2264
- Type:
- Molded Case
- Type:
- Branch
- Type:
- Common Trip
- Approval:
- UL 489
- Approval:
- CSA C22.2
- Volts:
- 120/240 VAC
- Amps:
- 32 A
- Used On:
- P1 Panelboard
- Poles:
- 2
- Interrupting Rating:
- 10 kA
- Application:
- Electrical Distribution
- Installation:
- Bolt-On
- Short Description:
- 120/240 VAC, 100 A, 10 kA, 2-Pole, Bolt-On Mount, Molded Case, Branch, Common Trip
- Catalog:
- SiemensAG_00876_5_18_5_19_CAT.pdf
- Data Sheet:
- SiemensAG_01601_1_DATA.pdf
- Voltage Rating:
- 120/240 VAC
- Current Rating:
- 100 A
- Number of Poles:
- 2
- Country of Origin:
- Mexico
MSRP $498.00Surplus $93.10 -
Siemens B210000S01 Miniature Circuit Breakers (MCBs) EA
MSRP $959.00Surplus $309.94SKU: C15-10308 Brand: Siemens MPN: B210000S01 UPC: 78364326846 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-10308
- TS PIK:
- 111063588
- Current Rating:
- 100 A
- Voltage Rating:
- 120/240 VAC at 50/60 Hz (UL)
- Catalog:
- SiemensAG_00564_7_29_CAT.pdf
- Type:
- Molded Case, Thermal and Fixed Magnetic
- Short Description:
- 120/240 VAC, 100 A, 10 kA, 2-Pole, Bolt-On Mount, Molded Case, Shunt Trip, Panelboard Circuit Breaker
- Number of Poles:
- 2
- Interrupting Rating:
- 10 kA at 120/240 VAC (UL)
- Used On:
- P1/P2/P3/P4/P5 Panelboard
- Data Sheet:
- SiemensAG_05182_1_DATA.pdf
- Country of Origin:
- Mexico
MSRP $959.00Surplus $309.94 -
Siemens B2100H Miniature Circuit Breakers (MCBs) BLH 2P 100A 120V 50/60Hz
MSRP $555.00Surplus $123.69SKU: C15-2437 Brand: Siemens MPN: B2100H UPC: 78364326397 Shipping Weight: 0.72 lbs. Shipping Height: 2.00 In. Shipping Length: 4.00 In. Shipping Width: 3.00 In...- SKU:
- C15-2437
- Type:
- Molded Case
- Type:
- Thermal and Fixed Magnetic
- Approval:
- UL 489
- Approval:
- CSA C22.2
- Volts:
- 120/240 VAC at 50/60 Hz (UL)
- Amps:
- 32 A
- Used On:
- P1/P2/P3/P4/P5 Panelboard
- Poles:
- 2
- Interrupting Rating:
- 22 kA at 120/240 VAC (UL)
- Application:
- Lighting
- Application:
- Distribution
- Installation:
- Bolt-On
- Short Description:
- 120/240 VAC, 100 A, 22 kA, 2-Pole, Bolt-On Mount, Molded Case, Thermal Magnetic Trip Unit, Branch
- Catalog:
- SiemensAG_00564_7_29_CAT.pdf
- Data Sheet:
- SiemensAG_05183_1_DATA.pdf
- Installation/Operator:
- SiemensAG_00215_INST.pdf
- Voltage Rating:
- 120/240 VAC at 50/60 Hz (UL)
- Number of Poles:
- 2
- Current Rating:
- 100 A
- Country of Origin:
- Mexico
MSRP $555.00Surplus $123.69 -
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Siemens B2100HH Miniature Circuit Breakers (MCBs) 2P 100A 120/240V
MSRP $1,516.00Surplus $184.87Siemens B2100HH Miniature Circuit Breakers (MCBs) 2P 100A 120/240V​ ARCA SKU: C15-7533 Brand: Siemens MPN: B2100HH UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In...- SKU:
- C15-7533
- Short Description:
- 120/240 VAC, 100 A, 65 kA, 2-Pole, Bolt-On Mount, Molded Case, Thermal Magnetic Trip Unit, Branch, Panelboard Circuit Breaker
- Voltage Rating:
- 120/240 VAC at 50/60 Hz (UL)
- Type:
- Molded Case, Thermal and Fixed Magnetic
- Catalog:
- SiemensAG_00564_7_29_CAT.pdf
- Current Rating:
- 100 A
- Number of Poles:
- 2
- Used On:
- P1/P2/P3/P4/P5 Panelboard
- Data Sheet:
- SiemensAG_05184_1_DATA.pdf
- Installation/Operator:
- SiemensAG_00215_INST.pdf
- Interrupting Rating:
- 65 kA at 120/240 VAC (UL)
- Country of Origin:
- Mexico
MSRP $1,516.00Surplus $184.87 -
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Siemens B2110 Miniature Circuit Breakers (MCBs)
MSRP $1,047.00Surplus $131.67SKU: C15-11416 Brand: Siemens MPN: B2110 UPC: 78364326365 Shipping Weight: 1.00 lbs. Shipping Height: 3.75 In. Shipping Length: 2.00 In. Shipping Width: 3.00 In...- SKU:
- C15-11416
- TS PIK:
- 115554979
- Data Sheet:
- SiemensAG_09755_1_2_DATA.pdf
- Number of Poles:
- 2
- Catalog:
- SiemensAG_01829_5_21_10_16_CAT.pdf
- Interrupting Rating:
- 10 kA at 120/240 VAC
- Installation/Operator:
- SiemensAG_00053_INST.pdf
- Type:
- Molded Case
- CAD Drawings:
- SiemensAG_10600_1_CAD.pdf
- Used On:
- Panelboard
- Voltage Rating:
- 120/240 VAC
- Current Rating:
- 110 A
- Country of Origin:
- Mexico
MSRP $1,047.00Surplus $131.67 -
Siemens B2125 Miniature Circuit Breakers (MCBs) 2P 125A
MSRP $1,150.00Surplus $229.17SKU: C15-8425 Brand: Siemens MPN: B2125 UPC: 78364326366 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-8425
- Catalog:
- Hubbell-WiringDeviceKellems_05285_X89_CAT.pdf
- Type:
- Corrugated, Flexible
- Short Description:
- 1-1/4" x 100', Black, PVC, Corrugated, Flexible, Non-Metallic Liquidtight Conduit
- Country of Origin:
- Mexico
- Approval:
- UL, CSA
MSRP $1,150.00Surplus $229.17 -
Siemens B2125H Miniature Circuit Breakers (MCBs)
MSRP $2,129.00Surplus $153.52SKU: C15-7395 Brand: Siemens MPN: B2125H UPC: 78364354124 Shipping Weight: 0.90 lbs. Shipping Height: 2.00 In. Shipping Length: 4.00 In. Shipping Width: 3.00 In...- SKU:
- C15-7395
- TS PIK:
- 106248788
- Used On:
- Panelboard
- Catalog:
- SiemensAG_01796_7_29-7_35_CAT.pdf
- Data Sheet:
- SiemensAG_09756_1_2_DATA.pdf
- Current Rating:
- 125 A
- Installation/Operator:
- SiemensAG_00053_INST.pdf
- Interrupting Rating:
- 22 kA
- Type:
- Main, Branch
- Voltage Rating:
- 120/240 VAC
- Number of Poles:
- 2
- Country of Origin:
- Mexico
MSRP $2,129.00Surplus $153.52 -
Siemens B215 Miniature Circuit Breakers (MCBs) EA
MSRP $190.00Surplus $33.74Siemens B215 Miniature Circuit Breakers (MCBs) EA​ ARCA SKU: C15-6210 Brand: Siemens MPN: B215 UPC: 78364326352 Shipping Weight: 0.65 lbs. Shipping Height: 4.00 In. Shipping...- SKU:
- C15-6210
- Type:
- Bolt-On
- Terminal Type:
- lug
- Voltage Rating:
- 120/240 VAC
- Mounting:
- Bolt-On
- Current Rating:
- 15 A
- Short Description:
- Bolt-In Circuit Breaker, 120-Volt, 2-Pole, 15-A, 10KAIC
- TS PIK:
- 21368382
- Used On:
- P1 Panelboard
- Catalog:
- SiemensAG_00564_7_29_CAT.pdf
- Number of Poles:
- 2
- Data Sheet:
- SiemensAG_05187_1_DATA.pdf
- Installation/Operator:
- SiemensAG_00215_INST.pdf
- Interrupting Rating:
- 10 kA
- Country of Origin:
- Mexico
MSRP $190.00Surplus $33.74 -
Contact Us For Quote
Siemens B21500S01 Miniature Circuit Breakers (MCBs) EA
MSRP $500.00Surplus $178.08SKU: C15-10309 Brand: Siemens MPN: B21500S01 UPC: 78364326833 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-10309
- TS PIK:
- 115554983
- Type:
- Molded Case, Thermal and Fixed Magnetic
- Number of Poles:
- 2
- Current Rating:
- 15 A
- Voltage Rating:
- 120/240 VAC at 50/60 Hz (UL)
- Interrupting Rating:
- 10 kA at 120/240 VAC (UL)
- Catalog:
- SiemensAG_00564_7_29_CAT.pdf
- Used On:
- P1/P2/P3/P4/P5 Panelboard
- Data Sheet:
- SiemensAG_05188_1_DATA.pdf
- Short Description:
- 120/240 VAC, 15 A, 10 kA, 2-Pole, Bolt-On Mount, Molded Case, Shunt Trip, Panelboard Circuit Breaker
- Country of Origin:
- Mexico
MSRP $500.00Surplus $178.08 -
Contact Us For Quote
Siemens B215H Everything Else
MSRP $370.00Surplus $149.85SKU: C15-6239 Brand: Siemens MPN: B215H UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- C15-6239
- TS PIK:
- 118082419
MSRP $370.00Surplus $149.85 -
Siemens B215HH Miniature Circuit Breakers (MCBs) Type BL 2P 15A 240V 50/60Hz
MSRP $470.00Surplus $140.98Siemens B215HH Miniature Circuit Breakers (MCBs) Type BL 2P 15A 240V 50/60Hz​ ARCA SKU: C15-1458 Brand: Siemens MPN: B215HH UPC: 783643264137 Shipping Weight: 0.66 Shipping Height: 4.00 In...- SKU:
- C15-1458
- Type:
- Molded Case
- Type:
- Thermal and Fixed Magnetic
- Approval:
- UL 489
- Approval:
- CSA C22.2
- Volts:
- 120/240 VAC at 50/60 Hz (UL)
- Amps:
- 32 A
- Used On:
- P1/P2/P3/P4/P5 Panelboard
- Poles:
- 2
- Interrupting Rating:
- 65 kA at 120/240 VAC (UL)
- Application:
- Lighting
- Application:
- Distribution
- Installation:
- Bolt-On
- Short Description:
- 120/240 VAC, 15 A, 65 kA, 2-Pole, Bolt-On Mount, Molded Case, Common Trip, Thermal Magnetic Trip Unit, Branch
- Catalog:
- SiemensAG_00564_7_29_CAT.pdf
- Data Sheet:
- SiemensAG_05191_1_DATA.pdf
- Installation/Operator:
- SiemensAG_00215_INST.pdf
- Current Rating:
- 15 A
- Voltage Rating:
- 120/240 VAC at 50/60 Hz (UL)
- Number of Poles:
- 2
- Country of Origin:
- Mexico
MSRP $470.00Surplus $140.98 -
Siemens B220 Miniature Circuit Breakers (MCBs) Type BL 2P 20A 120/240VAC 50/60Hz EA
MSRP $190.00Surplus $30.90Siemens B220 Miniature Circuit Breakers (MCBs) Type BL 2P 20A 120/240VAC 50/60Hz EA​ ARCA SKU: C15-1476 Brand: Siemens MPN: B220 UPC: 78364326353 Shipping Weight: 0.70 lbs. Shipping...- SKU:
- C15-1476
- Type:
- Thermal Magnetic
- Type:
- Branch
- Type:
- Common Trip
- Type:
- Molded Case
- Approval:
- UL 489
- Approval:
- CSA C22.2
- Volts:
- 120/240 VAC at 50/60 Hertz
- Amps:
- 32 A
- Used On:
- P1/P2/P3/P4/P5 Panelboard
- Poles:
- 2
- Interrupting Rating:
- 10 kA at 120/240 VAC
- Application:
- Lighting
- Application:
- Distribution
- Installation:
- Bolt-On
- Short Description:
- 120/240 VAC 50/60 Hz, 20 A, 10 kA, 2-Pole, BL Frame, Bolt-On, Molded Case, Thermal and Fixed Magnetic Trip, Common Trip
- Catalog:
- SiemensAG_01502_5_8_5_19_10_14_CAT.pdf
- Data Sheet:
- SiemensAG_05194_1_DATA.pdf
- Installation/Operator:
- SiemensAG_00215_INST.pdf
- TS PIK:
- 21368383
- Voltage Rating:
- 120/240 VAC
- Current Rating:
- 20 A
- Number of Poles:
- 2
- Mounting:
- Bolt-On
- Series:
- Q
- Country of Origin:
- Mexico
MSRP $190.00Surplus $30.90 -
Siemens B22000S01 Miniature Circuit Breakers (MCBs)
MSRP $590.00Surplus $154.28SKU: C15-9498 Brand: Siemens MPN: B22000S01 UPC: 78364326834 Shipping Weight: 1.05 lbs. Shipping Height: 4.00 In. Shipping Length: 6.00 In. Shipping Width: 5.00 In...- SKU:
- C15-9498
- TS PIK:
- 21368457
MSRP $590.00Surplus $154.28
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