
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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Siemens B11500S01 Miniature Circuit Breakers (MCBs)
MSRP $299.49Surplus $199.16SKU: C15-10300 Brand: Siemens MPN: B11500S01 UPC: 78364326822 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-10300
- TS PIK:
- 115554943
- Approval:
- UL 489, CSA C22.2
- Number of Poles:
- 1
- Current Rating:
- 15 A
- Short Description:
- 120 VAC, 15 A, 10 kA, 1-Pole, Bolt-On Mount, Molded Case, Shunt Trip, Panelboard Circuit Breaker
- Country of Origin:
- MEX
- Used On:
- P1/P2/P3/P4/P5 Panelboard
- Data Sheet:
- SiemensAG_05159_1_DATA.pdf
- Application:
- Lighting, Distribution
- Voltage Rating:
- 120 VAC at 50/60 Hz (UL)
- Type:
- Molded Case, Thermal and Fixed Magnetic
- Installation:
- Bolt-On
- Interrupting Rating:
- 10 kA at 120 VAC (UL)
- Catalog:
- SiemensAG_00564_7_29_CAT.pdf
MSRP $299.49Surplus $199.16 -
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Siemens B115HH Miniature Circuit Breakers (MCBs)
MSRP $151.39Surplus $0.00SKU: C15-18951 Brand: Siemens MPN: B115HH UPC: 78364326408 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-18951
- Data Sheet:
- SiemensAG_05161_1_DATA.pdf
- Current Rating:
- 15 A
- Interrupting Rating:
- 65 kA at 120 VAC (UL)
- Approval:
- UL 489, CSA C22.2
- Voltage Rating:
- 120 VAC at 50/60 Hz (UL)
- Installation:
- Bolt-On
- Catalog:
- SiemensAG_00564_7_29_CAT.pdf
- Application:
- Lighting, Distribution
- Installation/Operator:
- SiemensAG_00215_INST.pdf
- Short Description:
- 120 VAC, 15 A, 65 kA, 1-Pole, Bolt-On Mount, Molded Case, Thermal Magnetic Trip Unit, Branch, Panelboard Circuit Breaker
- Country of Origin:
- MEX
- Number of Poles:
- 1
- Type:
- Molded Case, Thermal and Fixed Magnetic
- Used On:
- P1/P2/P3/P4/P5 Panelboard
MSRP $151.39Surplus $0.00 -
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Siemens B120H00S01 Miniature Circuit Breakers (MCBs)
MSRP $754.16Surplus $270.20SKU: C15-6106 Brand: Siemens MPN: B120H00S01 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- 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
- TS PIK:
- 115271076
- Approval:
- UL 489, CSA C22.2
- Installation:
- Bolt-On
- Application:
- Lighting, Distribution
MSRP $754.16Surplus $270.20 -
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Siemens B125H Miniature Circuit Breakers (MCBs)
MSRP $178.33Surplus $56.41SKU: C15-10302 Brand: Siemens MPN: B125H UPC: 78364330395 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-10302
- TS PIK:
- 115554949
- Country of Origin:
- MEX
- Number of Poles:
- 1
- Type:
- Molded Case, Thermal and Fixed Magnetic
- Approval:
- UL 489, CSA C22.2
- Catalog:
- SiemensAG_00564_7_29_CAT.pdf
- Current Rating:
- 25 A
- Application:
- Lighting, Distribution
- Used On:
- P1/P2/P3/P4/P5 Panelboard
- Short Description:
- 120 VAC, 25 A, 22 kA, 1-Pole, Bolt-On Mount, Molded Case, Thermal Magnetic Trip Unit, Branch, Panelboard Circuit Breaker
- Interrupting Rating:
- 22 kA at 120 VAC (UL)
- Voltage Rating:
- 120 VAC at 50/60 Hz (UL)
- Data Sheet:
- SiemensAG_05167_1_DATA.pdf
- Installation:
- Bolt-On
- Installation/Operator:
- SiemensAG_00215_INST.pdf
MSRP $178.33Surplus $56.41 -
Siemens B13000S01 Miniature Circuit Breakers (MCBs)
MSRP $701.07Surplus $250.15SKU: 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
- Approval:
- UL 489, CSA C22.2
- Installation:
- Bolt-On
- Application:
- Lighting, Distribution
MSRP $701.07Surplus $250.15 -
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Siemens B130HH Miniature Circuit Breakers (MCBs)
MSRP $268.18Surplus $0.00SKU: C15-18954 Brand: Siemens MPN: B130HH UPC: 78364326410 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-18954
- Short Description:
- 120 VAC, 30 A, 65 kA, 1-Pole, Bolt-On Mount, Molded Case, Thermal Magnetic Trip Unit, Branch, Panelboard Circuit Breaker
- Number of Poles:
- 1
- Country of Origin:
- MEX
- Type:
- Molded Case, Thermal and Fixed Magnetic
- Interrupting Rating:
- 65 kA at 120 VAC (UL)
- Voltage Rating:
- 120 VAC at 50/60 Hz (UL)
- Current Rating:
- 30 A
- Used On:
- P1/P2/P3/P4/P5 Panelboard
- Application:
- Lighting, Distribution
- Catalog:
- SiemensAG_00564_7_29_CAT.pdf
- Approval:
- UL 489, CSA C22.2
- Data Sheet:
- SiemensAG_05171_1_DATA.pdf
- Installation/Operator:
- SiemensAG_00215_INST.pdf
- Installation:
- Bolt-On
MSRP $268.18Surplus $0.00 -
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Siemens B150H Miniature Circuit Breakers (MCBs)
Surplus $39.11SKU: C15-12078 Brand: Siemens MPN: B150H UPC: 783643263857 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-12078
- Interrupting Rating:
- 22 kA at 120 VAC (UL)
- Number of Poles:
- 1
- Type:
- Molded Case, Thermal and Fixed Magnetic
- Approval:
- UL 489, CSA C22.2
- Voltage Rating:
- 120 VAC at 50/60 Hz (UL)
- Installation:
- Bolt-On
- Country of Origin:
- MEX
- Catalog:
- SiemensAG_00564_7_29_CAT.pdf
- Data Sheet:
- SiemensAG_05177_1_DATA.pdf
- Used On:
- P1/P2/P3/P4/P5 Panelboard
- Application:
- Lighting, Distribution
- Installation/Operator:
- SiemensAG_00215_INST.pdf
- Short Description:
- 120 VAC, 50 A, 22 kA, 1-Pole, Bolt-On Mount, Molded Case, Branch, Panelboard Circuit Breaker
- Current Rating:
- 50 A
Surplus $39.11 -
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Siemens B170 Miniature Circuit Breakers (MCBs)
MSRP $183.78Surplus $49.62SKU: C15-15387 Brand: Siemens MPN: B170 UPC: 78364326351 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-15387
- Approval:
- UL 489, CSA C22.2
- Installation/Operator:
- SiemensAG_00215_INST.pdf
- Interrupting Rating:
- 10 kA at 120 VAC (UL)
- Number of Poles:
- 1
- Country of Origin:
- MEX
- Short Description:
- 120 VAC, 70 A, 10 kA, 1-Pole, Bolt-On Mount, Molded Case, Thermal Magnetic Trip Unit, Branch, Panelboard Circuit Breaker
- Current Rating:
- 70 A
- Catalog:
- SiemensAG_00564_7_29_CAT.pdf
- Data Sheet:
- SiemensAG_05180_1_DATA.pdf
- Installation:
- Bolt-On
- Application:
- Lighting, Distribution
- Used On:
- P1/P2/P3/P4/P5 Panelboard
- Voltage Rating:
- 120 VAC at 50/60 Hz (UL)
- Type:
- Molded Case, Thermal and Fixed Magnetic
MSRP $183.78Surplus $49.62 -
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Siemens BQ1B015QLD Molded Case Breakers (MCCBs)
MSRP $153.83Surplus $41.53SKU: C15-15614 Brand: Siemens MPN: BQ1B015QLD UPC: 78364341171 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-15614
- Short Description:
- 120/240 VAC, 15 A, 10 kA, 1-Pole, Line/Load Lug Terminal, DIN Rail Mount, BQLD Frame, Bolt-On, Molded Case Circuit Breaker
- Series:
- BQXD
- Interrupting Rating:
- 10 kA at 120 VAC Symmetrical (UL)
- Number of Poles:
- 1
- Voltage Rating:
- 120 VAC at 50/60 Hz (UL)
- Current Rating:
- 15 A
- Size:
- 1 Inch W x 3 Inch D x 4-1/2 Inch H
- Country of Origin:
- MEX
- Type:
- Molded Case, Thermal and Fixed Magnetic Trip
- Terminal Type:
- Line Lug
- Wire Size:
- 14 to 6 AWG (Copper), 12 to 6 AWG (Aluminum)
- Catalog:
- SiemensAG_01698_17_1_17_8_CAT.pdf
- Used On:
- P1/P2/P3/P4/P5 Panelboard
- Mounting:
- DIN Rail
- Data Sheet:
- SiemensAG_05349_1_DATA.pdf
- Approval:
- UL
MSRP $153.83Surplus $41.53 -
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Siemens BQ1B020H Miniature Circuit Breakers (MCBs) 20A 120V
MSRP $221.21Surplus $110.44Siemens BQ1B020H Miniature Circuit Breakers (MCBs) 20A 120V​ ARCA SKU: C15-6250 Brand: Siemens MPN: BQ1B020H UPC: 78364316149 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In...- SKU:
- C15-6250
- TS PIK:
- 21366738
- Wire Size:
- 14 to 10 AWG (Copper), 12 to 10 AWG (Aluminum)
- Number of Poles:
- 1
- Series:
- BQH
- Type:
- Molded Case, Thermal and Fixed Magnetic
- Catalog:
- SiemensAG_01698_17_1_17_7_CAT.pdf
- Data Sheet:
- SiemensAG_05351_1_DATA.pdf
- Terminal Type:
- Load Lug
- Size:
- 1 Inch W x 3 Inch D x 3-3/4 Inch H
- Short Description:
- 120/240 VAC, 20 A, 22 kA, 1-Pole, Load Lug Terminal, BQH Frame, Bolt-On, Molded Case Circuit Breaker
- Current Rating:
- 20 A
- Voltage Rating:
- 120 VAC at 50/60 Hz (UL)
- Interrupting Rating:
- 22 kA at 120 VAC Symmetrical (UL)
- Used On:
- P1/P2/P3/P4/P5 Panelboard
- Mounting:
- Bolt-On
- Country of Origin:
- Mexico
- Approval:
- UL
MSRP $221.21Surplus $110.44 -
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Siemens BQ1B025 Molded Case Breakers (MCCBs)
MSRP $153.83Surplus $41.53SKU: C15-15615 Brand: Siemens MPN: BQ1B025 UPC: 78364316113 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-15615
- Short Description:
- 120/240 VAC, 25 A, 10 kA, 1-Pole, Load Lug Terminal, BQ Frame, Bolt-On, Molded Case Circuit Breaker
- Series:
- BQ
- Current Rating:
- 25 A
- Voltage Rating:
- 120 VAC at 50/60 Hz (UL)
- Size:
- 1 Inch W x 3 Inch D x 3-3/4 Inch H
- Interrupting Rating:
- 10 kA at 120 VAC Symmetrical (UL)
- Wire Size:
- 14 to 6 AWG (Copper), 12 to 6 AWG (Aluminum)
- Country of Origin:
- MEX
- Data Sheet:
- SiemensAG_05354_1_DATA.pdf
- Number of Poles:
- 1
- Type:
- Molded Case, Thermal and Fixed Magnetic
- Terminal Type:
- Load Lug
- Catalog:
- SiemensAG_01698_17_1_17_7_CAT.pdf
- Approval:
- UL
- Used On:
- P1/P2/P3/P4/P5 Panelboard
MSRP $153.83Surplus $41.53 -
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Siemens BQ1B035 Molded Case Breakers (MCCBs)
MSRP $110.65Surplus $29.87SKU: C15-15619 Brand: Siemens MPN: BQ1B035 UPC: 78364316114 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-15619
- Series:
- BQ
- Short Description:
- 120/240 VAC, 35 A, 10 kA, 1-Pole, Load Lug Terminal, BQ Frame, Bolt-On, Molded Case Circuit Breaker
- Country of Origin:
- MEX
- Number of Poles:
- 1
- Type:
- Molded Case, Thermal and Fixed Magnetic
- Current Rating:
- 35 A
- Size:
- 1 Inch W x 3 Inch D x 3-3/4 Inch H
- Terminal Type:
- Load Lug
- Data Sheet:
- SiemensAG_05356_1_DATA.pdf
- Approval:
- UL
- Used On:
- P1/P2/P3/P4/P5 Panelboard
- Catalog:
- SiemensAG_01698_17_1_17_7_CAT.pdf
- Interrupting Rating:
- 10 kA at 120 VAC Symmetrical (UL)
- Voltage Rating:
- 120 VAC at 50/60 Hz (UL)
- Wire Size:
- 14 to 6 AWG (Copper), 12 to 6 AWG (Aluminum)
MSRP $110.65Surplus $29.87 -
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Siemens BQ1B045 Molded Case Breakers (MCCBs)
MSRP $50.38Surplus $13.60SKU: C15-15620 Brand: Siemens MPN: BQ1B045 UPC: 78364316115 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-15620
- Series:
- BQ
- Size:
- 1 Inch W x 3 Inch D x 3-3/4 Inch H
- Terminal Type:
- Load Lug
- Short Description:
- 120/240 VAC, 45 A, 10 kA, 1-Pole, Load Lug Terminal, BQ Frame, Bolt-On, Molded Case Circuit Breaker
- Country of Origin:
- MEX
- Type:
- Molded Case, Thermal and Fixed Magnetic
- Catalog:
- SiemensAG_01698_17_1_17_7_CAT.pdf
- Data Sheet:
- SiemensAG_05358_1_DATA.pdf
- Interrupting Rating:
- 10 kA at 120 VAC Symmetrical (UL)
- Current Rating:
- 45 A
- Voltage Rating:
- 120 VAC at 50/60 Hz (UL)
- Approval:
- UL
- Number of Poles:
- 1
- Used On:
- P1/P2/P3/P4/P5 Panelboard
- Wire Size:
- 8 to 6 AWG (Copper), 8 to 4 AWG (Aluminum)
MSRP $50.38Surplus $13.60 -
Siemens BQ1B060 Miniature Circuit Breakers (MCBs) 60A 120V
MSRP $116.39Surplus $13.27Siemens BQ1B060 Miniature Circuit Breakers (MCBs) 60A 120V​ ARCA SKU: C15-6130 Brand: Siemens MPN: BQ1B060 UPC: 78364316117 Shipping Weight: 2.15 lbs. Shipping Height: 4.00 In...- SKU:
- C15-6130
- TS PIK:
- 124234485
- Series:
- BQ
- Type:
- Molded Case, Thermal and Fixed Magnetic
- Current Rating:
- 60 A
- Data Sheet:
- SiemensAG_05361_1_DATA.pdf
- Short Description:
- 120/240 VAC, 60 A, 10 kA, 1-Pole, Load Lug Terminal, BQ Frame, Bolt-On, Molded Case Circuit Breaker
- Number of Poles:
- 1
- Voltage Rating:
- 120 VAC at 50/60 Hz (UL)
- Size:
- 1 Inch W x 3 Inch D x 4 Inch H
- Terminal Type:
- Load Lug
- Wire Size:
- 8 to 4 AWG (Copper), 8 to 2 AWG (Aluminum)
- Used On:
- P1/P2/P3/P4/P5 Panelboard
- Catalog:
- SiemensAG_01698_17_1_17_7_CAT.pdf
- Interrupting Rating:
- 10 kA at 120 VAC Symmetrical (UL)
- Mounting:
- Bolt-On
- Country of Origin:
- Mexico
- Approval:
- UL
MSRP $116.39Surplus $13.27
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