
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
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Siemens BF120H Miniature Circuit Breakers (MCBs)
MSRP $943.00Surplus $286.43SKU: C15-6081 Brand: Siemens MPN: BF120H UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- C15-6081
- TS PIK:
- 115270495
- Data Sheet:
- SiemensAG_05311_1_DATA.pdf
- Mounting:
- Bolt-On
- Used On:
- Loadcenter, P1/P2/P3/P4/P5 Panelboard
- Type:
- Circuit Interrupter
- Catalog:
- SiemensAG_00564_7_30_CAT.pdf
- Voltage Rating:
- 120 VAC
- Short Description:
- 120 VAC, 20 A, 22 kA, 5 mA, 1-Pole, Bolt-On Mount, BLHF Frame, GFCI, Thermal Magnetic Trip Unit, Molded Case Circuit Breaker for Panelboard
- Wire Size:
- 14 to 10 AWG (Copper), 12 to 8 AWG (Aluminum)
- Number of Poles:
- 1
- Current Rating:
- 20 A
- Size:
- 1 Inch W
- Interrupting Rating:
- 22 kA
- Terminal Type:
- Load Lug
MSRP $943.00Surplus $286.43 -
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Siemens BF130 Miniature Circuit Breakers (MCBs)
MSRP $496.00Surplus $723.32Siemens 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
MSRP $496.00Surplus $723.32 -
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
MSRP $500.00Surplus $180.88 -
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Siemens BF220 Miniature Circuit Breakers (MCBs) B 2P 20A 120/240V 50/60Hz 1Ph
MSRP $590.00Surplus $186.02SKU: C15-2772 Brand: Siemens MPN: BF220 UPC: 783643273993 Shipping Weight: 1.00 lbs. Shipping Height: 5.00 In. Shipping Length: 6.00 In. Shipping Width: 6.00 In...- SKU:
- C15-2772
- Series:
- BF
- Type:
- Thermal Magnetic
- Type:
- Circuit Protector
- Approval:
- UL 489/943
- Approval:
- CSA C22.2
- Size:
- 2 Inch Width
- Volts:
- 120/240 VAC
- Amps:
- 32 A
- Used On:
- Loadcenter
- Used On:
- P1/P2/P3/P4/P5 Panelboard
- Poles:
- 2
- Mounting:
- Bolt-On
- Interrupting Rating:
- 10 kA
- Terminal Type:
- Load Lug
- Wire Size:
- 14 to 10 AWG (Copper)
- Wire Size:
- 12 to 8 AWG (Aluminum)
- Trip Sensitivity:
- 5 Milliamp
- Short Description:
- 120/240 VAC, 20 A, 10 kA Interrupt, 2-Pole, Thermal Magnetic, Circuit Protector
- Data Sheet:
- SiemensAG_01607_1_DATA.pdf
MSRP $590.00Surplus $186.02 -
Siemens BF220A Miniature Circuit Breakers (MCBs) 2P 20A
MSRP $834.00Surplus $291.04SKU: C15-6247 Brand: Siemens MPN: BF220A UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- C15-6247
- Catalog:
- SiemensAG_00564_7_30_CAT.pdf
- Data Sheet:
- SiemensAG_05314_1_DATA.pdf
- Used On:
- Panelboard
- Interrupting Rating:
- 10 kA
- Current Rating:
- 20 A
- Short Description:
- 120/240 VAC, 20 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
- Mounting:
- Bolt-On
- Type:
- Circuit Interrupter
- Voltage Rating:
- 120/240 VAC
- Number of Poles:
- 2
- Country of Origin:
- Philippines
MSRP $834.00Surplus $291.04 -
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Siemens BF230 Miniature Circuit Breakers (MCBs) 2P 30A
MSRP $590.00Surplus $161.88Siemens BF230 Miniature Circuit Breakers (MCBs) 2P 30A​ ARCA SKU: C15-6248 Brand: Siemens MPN: BF230 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping...- 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
MSRP $590.00Surplus $161.88 -
Siemens BF240A Miniature Circuit Breakers (MCBs) EA
MSRP $600.00Surplus $285.90SKU: C15-10354 Brand: Siemens MPN: BF240A UPC: 88762121543 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-10354
- TS PIK:
- 127112409
- Short Description:
- 120/240 VAC, 40 A, 10 kA Interrupt, 5 mA Trip Level, 2-Pole, Circuit Protector, Low Vage, Type BLFB, Molded Case Ground Fault Circuit Breaker
- Voltage Rating:
- 120/240 VAC
- Terminal Type:
- Load Lug
- Mounting:
- Bolt-On
- Number of Poles:
- 2
- Size:
- 2 Inch Width
- Catalog:
- SiemensAG_23946_10_17_CAT.pdf
- Interrupting Rating:
- 10 kA
- Current Rating:
- 40 A
- Installation/Operator:
- SiemensAG_00697_INST.pdf
- Used On:
- Load Center, Panelboard
- Data Sheet:
- SiemensAG_10286_1_DATA.pdf
- Type:
- Molded Case, Low Vage, Thermal Magnetic
- Country of Origin:
- Philippines
MSRP $600.00Surplus $285.90 -
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Siemens BF250 Miniature Circuit Breakers (MCBs) 2P
MSRP $545.00Surplus $151.03Siemens BF250 Miniature Circuit Breakers (MCBs) 2P​ ARCA SKU: C15-6249 Brand: Siemens MPN: BF250 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping...- SKU:
- C15-6249
- Mounting:
- Bolt-On
- Used On:
- Loadcenter, P1/P2/P3/P4/P5 Panelboard
- Data Sheet:
- SiemensAG_01608_1_DATA.pdf
- Interrupting Rating:
- 10 kA
- Size:
- 2 Inch W
- Number of Poles:
- 2
- Current Rating:
- 50 A
- Short Description:
- 120/240 VAC, 50 A, 10 kA Interrupt, 2-Pole, Thermal Magnetic, Circuit Interrupter, Ground Fault Circuit Breaker
- Terminal Type:
- Load Lug
- Voltage Rating:
- 120/240 VAC
- Type:
- Circuit Interrupter
- Wire Size:
- 8 to 6 AWG (Copper), 8 to 4 AWG (Aluminum)
MSRP $545.00Surplus $151.03 -
Siemens BF260A Miniature Circuit Breakers (MCBs) EA
MSRP $800.00Surplus $329.90SKU: C15-10358 Brand: Siemens MPN: BF260A UPC: 88762121547 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-10358
- TS PIK:
- 127112410
- Country of Origin:
- Philippines
MSRP $800.00Surplus $329.90 -
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Siemens BG215 Miniature Circuit Breakers (MCBs) EA
MSRP $316.00Surplus $115.44SKU: C15-10360 Brand: Siemens MPN: BG215 UPC: 78364327118 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-10360
- TS PIK:
- 111063633
- Short Description:
- 120 VAC, 15 A, 10 kA, 2-Pole, Bolt-On Mount, BG Frame, Switching Neutral, Thermal Magnetic Trip Unit, Special Application Molded Case Circuit Breaker
- Type:
- Common Trip
- Interrupting Rating:
- 10 kA
- Mounting:
- Bolt-On
- Data Sheet:
- SiemensAG_05322_1_DATA.pdf
- Current Rating:
- 15 A
- Voltage Rating:
- 120 VAC
- Catalog:
- SiemensAG_01803_18_CAT.pdf
- Used On:
- Panelboard
- Wire Size:
- 14 to 6 AWG (Copper), 12 to 6 AWG (Aluminum) Line, 14 to 10 AWG (Copper), 12 to 10 AWG (Aluminum) Load
- Terminal Type:
- Line, Load Lug
- Country of Origin:
- Mexico
MSRP $316.00Surplus $115.44 -
Siemens BQ1-B040 Miniature Circuit Breakers (MCBs) 40A 120/240V
MSRP $92.95Surplus $15.75Siemens BQ1-B040 Miniature Circuit Breakers (MCBs) 40A 120/240V​ ARCA SKU: E30-8847 Brand: Siemens MPN: BQ1-B040 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping...- SKU:
- E30-8847
- Country of Origin:
- Mexico
MSRP $92.95Surplus $15.75 -
Siemens BQ1-B050 Miniature Circuit Breakers (MCBs) 50A 120/240V
MSRP $92.95Surplus $21.50Siemens BQ1-B050 Miniature Circuit Breakers (MCBs) 50A 120/240V​ ARCA SKU: E30-8834 Brand: Siemens MPN: BQ1-B050 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping...- SKU:
- E30-8834
- Country of Origin:
- Mexico
MSRP $92.95Surplus $21.50 -
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Siemens BQ1B015 Miniature Circuit Breakers (MCBs)
MSRP $83.50Surplus $16.35Siemens BQ1B015 Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-6082 Brand: Siemens MPN: BQ1B015 UPC: 78364310230 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping...- SKU:
- C15-6082
- TS PIK:
- 21366171
- Number of Poles:
- 1
- Interrupting Rating:
- 10 kA
- Type:
- Molded Case, Thermal and Fixed Magnetic Trip, Low Vage
- Size:
- 1 Inch Width x 2.37 Inch Depth x 3.75 Inch Height
- Series:
- BQ
- Voltage Rating:
- 120 VAC 50/60 Hertz
- Data Sheet:
- SiemensAG_05348_1_DATA.pdf
- Short Description:
- 120/240 VAC, 15 A, 10 kA, 1-Pole, Load Lug Terminal, BQ Frame, Bolt-On, Molded Case Circuit Breaker
- Terminal Type:
- Load Side Lug, Bolt-On
- Current Rating:
- 15 A
- Catalog:
- SiemensAG_01698_17_1_17_7_CAT.pdf
- Country of Origin:
- Mexico
MSRP $83.50Surplus $16.35 -
Siemens BQ1B015H Miniature Circuit Breakers (MCBs) 15A 120V
MSRP $166.00Surplus $33.76Siemens BQ1B015H Miniature Circuit Breakers (MCBs) 15A 120V​ ARCA SKU: C15-6127 Brand: Siemens MPN: BQ1B015H UPC: 78364316148 Shipping Weight: 0.30 lbs. Shipping Height: 3.00 In...- SKU:
- C15-6127
- TS PIK:
- 124819774
- Catalog:
- SiemensAG_09175_0_8_17_1_17_8_17_133_CAT.pdf
- Size:
- 1 Inch Width x 3 Inch Depth x 4 Inch Height
- Interrupting Rating:
- 22 kA
- Voltage Rating:
- 120/240 VAC
- Current Rating:
- 15 A
- Type:
- Molded Case, Low Vage, Circuit Protector
- Number of Poles:
- 1
- Data Sheet:
- SiemensAG_09541_1_2_DATA.pdf
- Terminal Type:
- Load Lug
- Country of Origin:
- Mexico
MSRP $166.00Surplus $33.76 -
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Siemens BQ1B02000S01 Shunt Trips 1P 20A
MSRP $468.00Surplus $84.24Siemens BQ1B02000S01 Shunt Trips 1P 20A​ ARCA SKU: A13-1400 Brand: Siemens MPN: BQ1B02000S01 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0...- SKU:
- A13-1400
MSRP $468.00Surplus $84.24 -
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Siemens BQ1B020H Miniature Circuit Breakers (MCBs) 20A 120V
MSRP $162.50Surplus $72.54Siemens 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
MSRP $162.50Surplus $72.54 -
Siemens BQ1B040 Miniature Circuit Breakers (MCBs)
MSRP $85.50Surplus $13.95Siemens BQ1B040 Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-8428 Brand: Siemens MPN: BQ1B040 UPC: 78364310236 Shipping Weight: 0.25 lbs. Shipping Height: 3.00 In. Shipping...- SKU:
- C15-8428
- TS PIK:
- 124819775
- Number of Poles:
- 1
- Interrupting Rating:
- 10 kA at 120 VAC Symmetrical (UL)
- Terminal Type:
- Load Lug
- Size:
- 1 Inch W x 3 Inch D x 3-3/4 Inch H
- Data Sheet:
- SiemensAG_05357_1_DATA.pdf
- Voltage Rating:
- 120 VAC
- Wire Size:
- 8 to 6 AWG (Copper), 8 to 4 AWG (Aluminum)
- Used On:
- P1/P2/P3/P4/P5 Panelboard
- Short Description:
- 120/240 VAC, 40 A, 10 kA, 1-Pole, Load Lug Terminal, BQ Frame, Bolt-On, Molded Case Circuit Breaker
- Series:
- BQ
- Catalog:
- SiemensAG_01698_17_1_17_7_CAT.pdf
- Current Rating:
- 40 A
- Type:
- Molded Case, Thermal and Fixed Magnetic
- Country of Origin:
- Mexico
MSRP $85.50Surplus $13.95 -
Siemens BQ1B050 Miniature Circuit Breakers (MCBs) 50A 120V
MSRP $85.50Surplus $16.79Siemens BQ1B050 Miniature Circuit Breakers (MCBs) 50A 120V​ ARCA SKU: C15-6129 Brand: Siemens MPN: BQ1B050 UPC: 78364310238 Shipping Weight: 0.35 lbs. Shipping Height: 3.00 In...- SKU:
- C15-6129
- TS PIK:
- 115270499
- Terminal Type:
- Load Lug
- Short Description:
- 120/240 VAC, 50 A, 10 kA, 1-Pole, Load Lug Terminal, BQ Frame, Bolt-On, Molded Case Circuit Breaker
- Series:
- BQ
- Voltage Rating:
- 120 VAC
- Catalog:
- SiemensAG_01698_17_1_17_7_CAT.pdf
- Current Rating:
- 50 A
- Interrupting Rating:
- 10 kA at 120 VAC Symmetrical (UL)
- Number of Poles:
- 1
- Size:
- 1 Inch W x 3 Inch D x 3-3/4 Inch H
- Data Sheet:
- SiemensAG_05359_1_DATA.pdf
- Wire Size:
- 8 to 6 AWG (Copper), 8 to 4 AWG (Aluminum)
- Used On:
- P1/P2/P3/P4/P5 Panelboard
- Type:
- Molded Case, Thermal and Fixed Magnetic
- Country of Origin:
- Mexico
MSRP $85.50Surplus $16.79 -
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Siemens BQ1B050L Miniature Circuit Breakers (MCBs) B 1P 50A 120/240V 50/60Hz 1Ph
MSRP $58.00Surplus $32.79Siemens BQ1B050L Miniature Circuit Breakers (MCBs) B 1P 50A 120/240V 50/60Hz 1Ph​ ARCA SKU: C15-3088 Brand: Siemens MPN: BQ1B050L UPC: 783643102392 Shipping Weight: 0.31 Shipping Height: 4...- SKU:
- C15-3088
- Volts:
- 120/240 V
- Amps:
- 50 A
- Poles:
- 1
- Frequency Rating:
- 50/60 Hz
- Short Description:
- BRKR BQ 1P 120V 50A 10K LUG
MSRP $58.00Surplus $32.79 -
Siemens BQ1B060 Miniature Circuit Breakers (MCBs) 60A 120V
MSRP $85.50Surplus $14.89Siemens 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
MSRP $85.50Surplus $14.89
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