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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Contact Us For Quote
Challenger BQ3B020 Miniature Circuit Breakers (MCBs)
MSRP $614.00Surplus $261.83SKU: C15-4876 Brand: Challenger MPN: BQ3B020 UPC: 78364310259 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-4876
- TS PIK:
- 128013945
- Country of Origin:
- MEX
- Short Description:
- 240 VAC, 20 A, 10 kA, 3-Pole, Load Lug Terminal, BQ Frame, Bolt-On, Common Trip, Molded Case Circuit Breaker
- Series:
- BQ
- Type:
- Molded Case, Thermal and Fixed Magnetic, Common Trip
- Used On:
- P1/P2/P3/P4/P5 Panelboard
- Number of Poles:
- 3
- Wire Size:
- 14 to 10 AWG (Copper), 12 to 10 AWG (Aluminum)
- Interrupting Rating:
- 10 kA at 240 VAC Symmetrical (UL)
- Current Rating:
- 20 A
- Terminal Type:
- Load Lug
- Voltage Rating:
- 240 VAC at 50/60 Hz (UL)
- Data Sheet:
- SiemensAG_05388_1_DATA.pdf
- Catalog:
- SiemensAG_01698_17_1_17_7_17_110_CAT.pdf
- Approval:
- UL
- Size:
- 3 Inch W x 3 Inch D x 3-3/4 Inch H
MSRP $614.00Surplus $261.83 -
Siemens B32000S01 Miniature Circuit Breakers (MCBs) B 3P 20A 120/240V 50/60Hz 3Ph
MSRP $705.00Surplus $236.74Siemens B32000S01 Miniature Circuit Breakers (MCBs) B 3P 20A 120/240V 50/60Hz 3Ph​ ARCA SKU: C15-4054 Brand: Siemens MPN: B32000S01 UPC: 783643268500 Shipping Weight: 1.50 Shipping...- SKU:
- C15-4054
- Type:
- Molded Case
- Type:
- Thermal and Fixed Magnetic
- Approval:
- UL 489
- Approval:
- CSA C22.2
- Volts:
- 240 VAC at 50/60 Hz (UL)
- Amps:
- 32 A
- Used On:
- P1/P2/P3/P4/P5 Panelboard
- Poles:
- 3
- Interrupting Rating:
- 10 kA at 240 VAC (UL)
- Application:
- Lighting
- Application:
- Distribution
- Installation:
- Bolt-On
- Short Description:
- 240 VAC, 20 A, 10 kA, 3-Pole, Bolt-On Mount, Molded Case, Shunt Trip, Thermal Magnetic Trip Unit
- Catalog:
- SiemensAG_00564_7_29_CAT.pdf
- Data Sheet:
- SiemensAG_05239_1_DATA.pdf
- Current Rating:
- 20 A
- Voltage Rating:
- 240 VAC at 50/60 Hz (UL)
- Number of Poles:
- 3
- Country of Origin:
- Mexico
MSRP $705.00Surplus $236.74 -
Siemens B320H00S01 Miniature Circuit Breakers (MCBs)
MSRP $1,200.00Surplus $410.63SKU: C15-10325 Brand: Siemens MPN: B320H00S01 UPC: 78364326891 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-10325
- TS PIK:
- 115555051
- Voltage Rating:
- 240 VAC at 50/60 Hz (UL)
- Number of Poles:
- 3
- Type:
- Molded Case, Thermal and Fixed Magnetic
- Current Rating:
- 20 A
- Used On:
- P1/P2/P3/P4/P5 Panelboard
- Catalog:
- SiemensAG_00564_7_29_CAT.pdf
- Interrupting Rating:
- 22 kA at 240 VAC (UL)
- Data Sheet:
- SiemensAG_05241_1_DATA.pdf
- Short Description:
- 240 VAC, 20 A, 22 kA, 3-Pole, Bolt-On Mount, Molded Case, Shunt Trip, Thermal Magnetic Trip Unit, Panelboard Circuit Breaker
- Country of Origin:
- Mexico
- Application:
- Lighting, Distribution
- Installation:
- Bolt-On
- Approval:
- UL 489, CSA C22.2
MSRP $1,200.00Surplus $410.63 -
Siemens B320HH Miniature Circuit Breakers (MCBs) 3P 20A
MSRP $1,188.00Surplus $198.95SKU: C15-6121 Brand: Siemens MPN: B320HH UPC: 78364326421 Shipping Weight: 1.00 lbs. Shipping Height: 3.00 In. Shipping Length: 4.00 In. Shipping Width: 4.00 In...- SKU:
- C15-6121
- TS PIK:
- 120903528
- Current Rating:
- 20 A
- Voltage Rating:
- 240 VAC at 50/60 Hz (UL)
- Number of Poles:
- 3
- Catalog:
- SiemensAG_00564_7_29_CAT.pdf
- Installation/Operator:
- SiemensAG_00215_INST.pdf
- Used On:
- P1/P2/P3/P4/P5 Panelboard
- Type:
- Molded Case, Thermal and Fixed Magnetic
- Interrupting Rating:
- 65 kA at 240 VAC (UL)
- Data Sheet:
- SiemensAG_05242_1_DATA.pdf
- Short Description:
- 240 VAC, 20 A, 65 kA, 3-Pole, Bolt-On Mount, Molded Case, Common Trip, Thermal Magnetic Trip Unit, Branch, Panelboard Circuit Breaker
- Mounting:
- Bolt-On
- Country of Origin:
- Mexico
- Approval:
- UL 489, CSA C22.2
- Application:
- Lighting, Distribution
- Installation:
- Bolt-On
MSRP $1,188.00Surplus $198.95 -
Contact Us For Quote
Siemens BQ3B020 Miniature Circuit Breakers (MCBs) EA
MSRP $627.00Surplus $164.92SKU: C15-8429 Brand: Siemens MPN: BQ3B020 UPC: 78364310259 Shipping Weight: 0.95 lbs. Shipping Height: 3.00 In. Shipping Length: 3.00 In. Shipping Width: 4.00 In...- SKU:
- C15-8429
- Terminal Type:
- Load Lug
- Voltage Rating:
- 240 VAC at 50/60 Hz (UL)
- Type:
- Molded Case, Thermal and Fixed Magnetic, Common Trip
- Short Description:
- 240 VAC, 20 A, 10 kA, 3-Pole, Load Lug Terminal, BQ Frame, Bolt-On, Common Trip, Molded Case Circuit Breaker
- Series:
- BQ
- Number of Poles:
- 3
- Interrupting Rating:
- 10 kA at 240 VAC Symmetrical (UL)
- Catalog:
- SiemensAG_01698_17_1_17_7_17_110_CAT.pdf
- Size:
- 3 Inch W x 3 Inch D x 3-3/4 Inch H
- Data Sheet:
- SiemensAG_05388_1_DATA.pdf
- Used On:
- P1/P2/P3/P4/P5 Panelboard
- Wire Size:
- 14 to 10 AWG (Copper), 12 to 10 AWG (Aluminum)
- Current Rating:
- 20 A
- Mounting:
- Bolt-On
- Country of Origin:
- Mexico
MSRP $627.00Surplus $164.92
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