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 B230 Miniature Circuit Breakers (MCBs) B 2P 30A 240V EA
MSRP $190.00Surplus $28.96Siemens B230 Miniature Circuit Breakers (MCBs) B 2P 30A 240V EA​ ARCA SKU: C15-2271 Brand: Siemens MPN: B230 UPC: 78364326355 Shipping Weight: 0.65 lbs. Shipping Height: 4.00 In...- SKU:
- C15-2271
- Type:
- Molded Case
- Type:
- Branch
- Type:
- BL
- Approval:
- UL 489
- Volts:
- 120/240 VAC
- Amps:
- 32 A
- Poles:
- 2
- Interrupting Rating:
- 10 kA
- Application:
- Electrical Distribution
- Installation:
- Bolt-On
- Short Description:
- 120/240 VAC 50/60 Hz, 30 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_01508_1_DATA.pdf
- Current Rating:
- 30 A
- Voltage Rating:
- 120/240 VAC
- Number of Poles:
- 2
- Mounting:
- Bolt-On
- Series:
- B
- Country of Origin:
- Mexico
MSRP $190.00Surplus $28.96 -
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Siemens BQ1B030 Miniature Circuit Breakers (MCBs) 30A 120V
MSRP $85.50Surplus $22.11Siemens BQ1B030 Miniature Circuit Breakers (MCBs) 30A 120V​ ARCA SKU: C15-4081 Brand: Siemens MPN: BQ1B030 UPC: 78364310234 Shipping Weight: 0.30 lbs. Shipping Height: 1.00 In...- SKU:
- C15-4081
- Series:
- BQ
- Type:
- Molded Case
- Type:
- Thermal and Fixed Magnetic Trip
- Approval:
- UL 489
- Size:
- 1 Inch W x 3 Inch D x 3-3/4 Inch H
- Volts:
- 120 VAC at 50/60 Hz (UL)
- Amps:
- 32 A
- Used On:
- P1/P2/P3/P4/P5 Panelboard
- Poles:
- 1
- Mounting:
- Bolt-On
- Interrupting Rating:
- 10 kA at 120 VAC Symmetrical (UL)
- Terminal Type:
- Load Lug
- Wire Size:
- 14 to 6 AWG (Copper)
- Wire Size:
- 12 to 6 AWG (Aluminum)
- Short Description:
- 120 VAC, 30 A, 10 kA Interrupt, 1-Pole, BQ-Frame, Load Lug Terminal, Bolt-On Mount, Thermal Magnetic
- Catalog:
- SiemensAG_00876_1_5_5_18_5_24_CAT.pdf
- TS PIK:
- 110611789
- Voltage Rating:
- 120 VAC
- Current Rating:
- 30 A
- Number of Poles:
- 1
- Country of Origin:
- Mexico
MSRP $85.50Surplus $22.11 -
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Siemens BQ2B030 Miniature Circuit Breakers (MCBs) BQ 2P 30A 120/240VAC EA
MSRP $192.50Surplus $33.60Siemens BQ2B030 Miniature Circuit Breakers (MCBs) BQ 2P 30A 120/240VAC EA​ ARCA SKU: C15-3210 Brand: Siemens MPN: BQ2B030 UPC: 78364310242 Shipping Weight: 0.65 lbs. Shipping...- SKU:
- C15-3210
- Series:
- BQ
- Type:
- Molded Case
- Type:
- Thermal and Fixed Magnetic Trip
- Type:
- Common Trip
- Approval:
- UL 489
- Approval:
- CSA C22.2
- Size:
- 2 Inch W x 3 Inch D x 3-3/4 Inch H
- Volts:
- 120/240 VAC at 50/60 Hz (UL)
- Amps:
- 32 A
- Used On:
- P1/P2/P3/P4/P5 Panelboard
- Poles:
- 2
- Mounting:
- Bolt-On
- Interrupting Rating:
- 10 kA at 120/240 VAC Symmetrical (UL)
- Terminal Type:
- Load Lug
- Wire Size:
- 14 to 6 AWG (Copper)
- Wire Size:
- 12 to 6 AWG (Aluminum)
- Short Description:
- 120/240 VAC, 30 A, 10 kA Interrupt, 2-Pole, BQ-Frame, Load Lug Terminal, Bolt-On Mount, Thermal Magnetic, Common Trip
- Catalog:
- SiemensAG_00876_1_5_5_18_5_24_CAT.pdf
- TS PIK:
- 21366178
- Current Rating:
- 30 A
- Voltage Rating:
- 120/240 VAC
- Number of Poles:
- 2
- Country of Origin:
- Mexico
MSRP $192.50Surplus $33.60 -
Siemens BQ3B030 Miniature Circuit Breakers (MCBs) 3P 30A 240V
MSRP $627.00Surplus $123.18Siemens BQ3B030 Miniature Circuit Breakers (MCBs) 3P 30A 240V​ ARCA SKU: C15-1472 Brand: Siemens MPN: BQ3B030 UPC: 78364310260 Shipping Weight: 0.94 lbs. Shipping Height: 3.00 In...- SKU:
- C15-1472
- Series:
- BQ
- Type:
- Molded Case
- Type:
- Thermal Magnetic
- Volts:
- 240 VAC
- Amps:
- 32 A
- Poles:
- 3
- Interrupting Rating:
- 10 kA
- Application:
- General Purpose
- Short Description:
- 240 VAC, 30 A, 10 kA, 3-Pole, Load Lug Terminal, BQ Frame, Bolt-On, Common Trip
- Catalog:
- SiemensAG_01698_17_1_17_7_17_110_CAT.pdf
- TS PIK:
- 21366196
- Voltage Rating:
- 240 VAC
- Number of Poles:
- 3
- Data Sheet:
- SiemensAG_05390_1_DATA.pdf
- Current Rating:
- 30 A
- Mounting:
- Bolt-On
- Country of Origin:
- Mexico
MSRP $627.00Surplus $123.18 -
Siemens B130 Miniature Circuit Breakers (MCBs)
MSRP $83.50Surplus $10.79Siemens 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
- Application:
- Lighting, Distribution
- Approval:
- UL 489, CSA C22.2
- Installation:
- Bolt-On
MSRP $83.50Surplus $10.79 -
Siemens BE130 Miniature Circuit Breakers (MCBs) 1P 30A 120V
MSRP $838.00Surplus $126.42Siemens BE130 Miniature Circuit Breakers (MCBs) 1P 30A 120V​ ARCA SKU: C15-4914 Brand: Siemens MPN: BE130 UPC: 78364326611 Shipping Weight: 0.40 lbs. Shipping Height: 2.00 In...- SKU:
- C15-4914
- Series:
- BLE
- Type:
- Molded Case
- Type:
- Thermal Magnetic
- Type:
- Equipment Protector
- Approval:
- UL 489
- Size:
- 3.6 Inch Width x 5.6 Inch Depth x 1.4 Inch Height
- Volts:
- 120 VAC
- Amps:
- 32 A
- Used On:
- Loadcenter
- Used On:
- P1/P2/P3/P4/P5 Panelboard
- Poles:
- 1
- Mounting:
- Bolt-On
- Interrupting Rating:
- 10 kA
- Terminal Type:
- Load Lug
- Wire Size:
- 12 to 8 AWG (Aluminum)
- Wire Size:
- 14 to 10 AWG (Copper)
- Trip Sensitivity:
- 30 MilliA
- Short Description:
- 120 VAC, 30 A, 10 kA, 30 mA, 1-Pole, Bolt-On Mount, BLE Frame, Ground Fault Equipment Protector, Thermal Magnetic Trip Unit
- Catalog:
- SiemensAG_00564_7_30_CAT.pdf
- Data Sheet:
- SiemensAG_05302_1_DATA.pdf
- TS PIK:
- 578159
- Voltage Rating:
- 120 VAC
- Number of Poles:
- 1
- Current Rating:
- 30 A
- Country of Origin:
- Philippines
MSRP $838.00Surplus $126.42 -
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Siemens BE130H Miniature Circuit Breakers (MCBs)
MSRP $920.00Surplus $0.00SKU: C15-18969 Brand: Siemens MPN: BE130H UPC: 78364326614 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-18969
- Interrupting Rating:
- 22 kA
- Current Rating:
- 30 A
- Trip Sensitivity:
- 30 MilliA
- Approval:
- UL 489
- Data Sheet:
- SiemensAG_05303_1_DATA.pdf
- Short Description:
- 120 VAC, 30 A, 22 kA, 30 mA, 1-Pole, Bolt-On Mount, BLEH Frame, Ground Fault Equipment Protector, Thermal Magnetic Trip Unit, Molded Case Circuit Breaker for Panelboard
- Mounting:
- Bolt-On
- Country of Origin:
- PHL
- Type:
- Equipment Protector
- Voltage Rating:
- 120 VAC
- Size:
- 4 Inch W x 1 Inch D x 5 Inch H
- Number of Poles:
- 1
- Used On:
- Panelboard
MSRP $920.00Surplus $0.00 -
Siemens BE230 Miniature Circuit Breakers (MCBs)
MSRP $1,095.00Surplus $101.34Siemens BE230 Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-6985 Brand: Siemens MPN: BE230 UPC: 78364327412 Shipping Weight: 1.05 lbs. Shipping Height: 3.00 In. Shipping...- SKU:
- C15-6985
- TS PIK:
- 120072286
- Data Sheet:
- SiemensAG_05306_1_DATA.pdf
- Catalog:
- SiemensAG_00564_7_30_CAT.pdf
- Series:
- BLE
- Used On:
- Loadcenter, P1/P2/P3/P4/P5 Panelboard
- Mounting:
- Bolt-On
- Wire Size:
- 12 to 8 AWG (Aluminum), 14 to 10 AWG (Copper)
- Short Description:
- 120/240 VAC, 30 A, 10 kA, 30 mA, 2-Pole, Bolt-On Mount, BLE Frame, Ground Fault Equipment Protector, Thermal Magnetic Trip Unit, Molded Case Circuit Breaker for Panelboard
- Size:
- 3.6 Inch Width x 6.2 Inch Depth x 2.5 Inch Height
- Voltage Rating:
- 120/240 VAC
- Terminal Type:
- Load Lug
- Current Rating:
- 30 A
- Number of Poles:
- 2
- Interrupting Rating:
- 10 kA
- Type:
- Molded Case, Equipment Protector
- Country of Origin:
- Philippines
- Approval:
- UL 489
- Trip Sensitivity:
- 30 MilliA
MSRP $1,095.00Surplus $101.34 -
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Siemens BF130 Miniature Circuit Breakers (MCBs)
MSRP $496.00Surplus $416.90Siemens BF130 Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-6126 Brand: Siemens MPN: BF130 UPC: 78364306963 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping...- SKU:
- C15-6126
- TS PIK:
- 21368438
- Interrupting Rating:
- 10 kA
- Terminal Type:
- Load Lug
- Type:
- Molded Case, Thermal Magnetic, Circuit Interrupter
- Series:
- BLF
- Current Rating:
- 30 A
- Voltage Rating:
- 120 VAC
- Number of Poles:
- 1
- Used On:
- Loadcenter, P1/P2/P3/P4/P5 Panelboard
- Short Description:
- 120 VAC, 30 A, 10 kA, 5 mA, 1-Pole, Bolt-On Mount, BLF Frame, GFCI, Thermal Magnetic Trip Unit, Molded Case Circuit Breaker for Panelboard
- Data Sheet:
- SiemensAG_05312_1_DATA.pdf
- Mounting:
- Bolt-On
- Wire Size:
- 12 to 8 AWG (Aluminum), 14 to 10 AWG (Copper)
- Size:
- 4 Inch Width x 1 Inch Depth x 5 Inch Height
- Country of Origin:
- PHL
- Approval:
- UL 943
- Trip Sensitivity:
- 5 MilliA
MSRP $496.00Surplus $416.90 -
Siemens BF130A Miniature Circuit Breakers (MCBs) EA
MSRP $500.00Surplus $180.88SKU: C15-10349 Brand: Siemens MPN: BF130A UPC: 88762121534 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-10349
- TS PIK:
- 127112407
- Type:
- Molded Case, Low Vage, Thermal Magnetic
- Short Description:
- 120 VAC, 30 A, 10 kA Interrupt, 5 mA Trip Level, 1-Pole, Bolt-On, Circuit Protector, Low Vage, Type BLF2, Molded Case Ground Fault Circuit Breaker
- Voltage Rating:
- 120 VAC
- Interrupting Rating:
- 10 kA
- Terminal Type:
- Load Lug
- Number of Poles:
- 1
- Size:
- 1 Inch Width
- Mounting:
- Bolt-On
- Used On:
- Load Center, Panelboard
- Installation/Operator:
- SiemensAG_00697_INST.pdf
- Catalog:
- SiemensAG_23946_10_17_CAT.pdf
- Data Sheet:
- SiemensAG_10277_1_DATA.pdf
- Current Rating:
- 30 A
- Country of Origin:
- Philippines
- Trip Sensitivity:
- 5 MilliA
- Approval:
- UL 943, CSA
MSRP $500.00Surplus $180.88 -
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Siemens BF130AH Miniature Circuit Breakers (MCBs)
MSRP $261.00Surplus $63.42SKU: C15-18970 Brand: Siemens MPN: BF130AH UPC: 88762121535 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-18970
- Approval:
- UL 943, CSA
- Data Sheet:
- SiemensAG_10278_1_2_DATA.pdf
- Type:
- Molded Case, Low Vage, Thermal Magnetic
- Country of Origin:
- PHL
- Size:
- 1 Inch Width
- Catalog:
- SiemensAG_01796_7_30_CAT.pdf
- Number of Poles:
- 1
- Trip Sensitivity:
- 5 MilliA
- Interrupting Rating:
- 22 kA
- Voltage Rating:
- 120 V AC
- Installation/Operator:
- SiemensAG_00696_INST.pdf
- Current Rating:
- 30 A
- Short Description:
- BRKR BLHF2 GFCI 5MA 1P 120V 30A 22kA
- Used On:
- Load Center, Panelboard
- Mounting:
- Bolt-On
- Terminal Type:
- Load Lug
MSRP $261.00Surplus $63.42 -
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Siemens BF230 Miniature Circuit Breakers (MCBs)
MSRP $590.00Surplus $161.88SKU: C15-6248 Brand: Siemens MPN: BF230 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- C15-6248
- Series:
- BF
- Short Description:
- 120/240 VAC, 30 A, 10 kA, 5 mA, 2-Pole, Bolt-On Mount, BLF Frame, Common Trip, GFCI, Thermal Magnetic Trip Unit, Molded Case Circuit Breaker for Panelboard
- Type:
- Thermal Magnetic, Circuit Protector
- Mounting:
- Bolt-On
- Voltage Rating:
- 120/240 VAC
- Number of Poles:
- 2
- Terminal Type:
- Load Lug
- Current Rating:
- 30 A
- Used On:
- Loadcenter, P1/P2/P3/P4/P5 Panelboard
- Interrupting Rating:
- 10 kA
- Size:
- 2 Inch Width
- Wire Size:
- 14 to 10 AWG (Copper), 12 to 8 AWG (Aluminum)
- Data Sheet:
- SiemensAG_05316_1_DATA.pdf
- TS PIK:
- 21366699
- Country of Origin:
- PHL
- Trip Sensitivity:
- 5 MilliA
- Approval:
- UL 489/943, CSA C22.2
MSRP $590.00Surplus $161.88
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