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 BQ3B020H Miniature Circuit Breakers (MCBs) 3P 20A 240V
MSRP $933.00Surplus $229.75SKU: C15-5148 Brand: Siemens MPN: BQ3B020H UPC: 78364316168 Shipping Weight: 1.00 lbs. Shipping Height: 3.00 In. Shipping Length: 5.00 In. Shipping Width: 3.00 In...- SKU:
- C15-5148
- Series:
- BQH
- Type:
- Molded Case
- Type:
- Thermal and Fixed Magnetic
- Type:
- Common Trip
- Approval:
- UL
- Size:
- 3 Inch W x 3 Inch D x 3-3/4 Inch H
- Volts:
- 240 VAC at 50/60 Hz (UL)
- Amps:
- 32 A
- Used On:
- P1/P2/P3/P4/P5 Panelboard
- Poles:
- 3
- Interrupting Rating:
- 22 kA at 240 VAC Symmetrical (UL)
- Terminal Type:
- Load Lug
- Wire Size:
- 14 to 10 AWG (Copper)
- Wire Size:
- 12 to 10 AWG (Aluminum)
- Short Description:
- 240 VAC, 20 A, 22 kA, 3-Pole, Load Lug Terminal, BQH Frame, Bolt-On, Common Trip
- Catalog:
- SiemensAG_01698_17_1_17_7_CAT.pdf
- Data Sheet:
- SiemensAG_05389_1_DATA.pdf
- Voltage Rating:
- 240 VAC
- Number of Poles:
- 3
- Current Rating:
- 20 A
- Country of Origin:
- Mexico
MSRP $933.00Surplus $229.75 -
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Siemens BQ1B020H Miniature Circuit Breakers (MCBs) 20A 120V
MSRP $162.50Surplus $81.13Siemens 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 $162.50Surplus $81.13 -
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Siemens BQ2B020H Miniature Circuit Breakers (MCBs)
MSRP $394.00Surplus $99.75SKU: C15-11429 Brand: Siemens MPN: BQ2B020H UPC: 78364316158 Shipping Weight: 0.62 lbs. Shipping Height: 3.75 In. Shipping Length: 2.37 In. Shipping Width: 2.00 In...- SKU:
- C15-11429
- Wire Size:
- 14 to 10 AWG (Copper), 12 to 10 AWG (Aluminum)
- Short Description:
- 120/240 VAC, 20 A, 22 kA, 2-Pole, Load Lug Terminal, BQH Frame, Bolt-On, Common Trip, Molded Case Circuit Breaker
- Voltage Rating:
- 120/240 VAC at 50/60 Hz (UL)
- Series:
- BQH
- Terminal Type:
- Load Lug
- Type:
- Molded Case, Thermal and Fixed Magnetic, Common Trip
- Number of Poles:
- 2
- Catalog:
- SiemensAG_01698_17_1_17_7_CAT.pdf
- Size:
- 2 Inch W x 3 Inch D x 3-3/4 Inch H
- Data Sheet:
- SiemensAG_05362_1_DATA.pdf
- Interrupting Rating:
- 22 kA at 120/240 VAC Symmetrical (UL)
- Used On:
- P1/P2/P3/P4/P5 Panelboard
- Current Rating:
- 20 A
- Country of Origin:
- Mexico
- Approval:
- UL 489, CSA C22.2
MSRP $394.00Surplus $99.75 -
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Siemens BQ2B030H Molded Case Breakers (MCCBs)
MSRP $86.10Surplus $23.25SKU: C15-15633 Brand: Siemens MPN: BQ2B030H UPC: 78364316160 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-15633
- Type:
- Molded Case, Thermal and Fixed Magnetic, Common Trip
- Current Rating:
- 30 A
- Voltage Rating:
- 120/240 VAC at 50/60 Hz (UL)
- Approval:
- UL 489, CSA C22.2
- Terminal Type:
- Load Lug
- Size:
- 2 Inch W x 3 Inch D x 3-3/4 Inch H
- Used On:
- P1/P2/P3/P4/P5 Panelboard
- Interrupting Rating:
- 22 kA at 120/240 VAC Symmetrical (UL)
- Short Description:
- 120/240 VAC, 30 A, 22 kA, 2-Pole, Load Lug Terminal, BQH Frame, Bolt-On, Common Trip, Molded Case Circuit Breaker
- Catalog:
- SiemensAG_01698_17_1_17_7_CAT.pdf
- Data Sheet:
- SiemensAG_05366_1_DATA.pdf
- Number of Poles:
- 2
- Series:
- BQH
- Country of Origin:
- MEX
- Wire Size:
- 14 to 6 AWG (Copper), 12 to 6 AWG (Aluminum)
MSRP $86.10Surplus $23.25 -
Siemens BQ2B040H Molded Case Breakers (MCCBs)
MSRP $75.77Surplus $106.40SKU: C15-12050 Brand: Siemens MPN: BQ2B040H UPC: 783643161610 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-12050
- Short Description:
- 120/240 VAC, 40 A, 22 kA, 2-Pole, Load Lug Terminal, BQH Frame, Bolt-On, Common Trip, Molded Case Circuit Breaker
- Series:
- BQH
- Number of Poles:
- 2
- Voltage Rating:
- 120/240 VAC at 50/60 Hz (UL)
- Current Rating:
- 40 A
- Wire Size:
- 8 to 6 AWG (Copper), 8 to 4 AWG (Aluminum)
- Size:
- 2 Inch W x 3 Inch D x 3-3/4 Inch H
- Country of Origin:
- MEX
- Terminal Type:
- Load Lug
- Type:
- Molded Case, Thermal and Fixed Magnetic, Common Trip
- Interrupting Rating:
- 22 kA at 120/240 VAC Symmetrical (UL)
- Used On:
- P1/P2/P3/P4/P5 Panelboard
- Catalog:
- SiemensAG_01698_17_1_17_7_CAT.pdf
- Approval:
- UL 489, CSA C22.2
- Data Sheet:
- SiemensAG_05370_1_DATA.pdf
MSRP $75.77Surplus $106.40 -
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Siemens BQ2B100H Miniature Circuit Breakers (MCBs)
MSRP $953.00Surplus $165.20SKU: C15-10364 Brand: Siemens MPN: BQ2B100H UPC: 78364316166 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-10364
- TS PIK:
- 21366753
- Number of Poles:
- 2
- Short Description:
- 120/240 VAC, 100 A, 22 kA, 2-Pole, Load Lug Terminal, BQH Frame, Bolt-On, Common Trip, Molded Case Circuit Breaker
- Series:
- BQH
- Interrupting Rating:
- 22 kA at 120/240 VAC Symmetrical (UL)
- Country of Origin:
- MEX
- Type:
- Molded Case, Thermal and Fixed Magnetic, Common Trip
- Data Sheet:
- SiemensAG_05383_1_DATA.pdf
- Voltage Rating:
- 120/240 VAC at 50/60 Hz (UL)
- Used On:
- P1/P2/P3/P4/P5 Panelboard
- Current Rating:
- 100 A
- Size:
- 2 Inch W x 3 Inch D x 4 Inch H
- Catalog:
- SiemensAG_01698_17_1_17_7_CAT.pdf
- Terminal Type:
- Load Lug
- Wire Size:
- 4 to 1/0 AWG (Copper), 2 to 1/0 AWG (Aluminum)
- Approval:
- UL 489, CSA C22.2
MSRP $953.00Surplus $165.20 -
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Siemens BQ3B050H Miniature Circuit Breakers (MCBs)
MSRP $914.00Surplus $295.34SKU: C15-6143 Brand: Siemens MPN: BQ3B050H UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- C15-6143
- TS PIK:
- 111063559
- Wire Size:
- 8 to 6 AWG (Copper), 8 to 4 AWG (Aluminum)
- Used On:
- P1/P2/P3/P4/P5 Panelboard
- Data Sheet:
- SiemensAG_05398_1_DATA.pdf
- Catalog:
- SiemensAG_01698_17_1_17_7_CAT.pdf
- Size:
- 3 Inch W x 3 Inch D x 3-3/4 Inch H
- Type:
- Molded Case, Thermal and Fixed Magnetic, Common Trip
- Short Description:
- 240 VAC, 50 A, 22 kA, 3-Pole, Load Lug Terminal, BQH Frame, Bolt-On, Common Trip, Molded Case Circuit Breaker
- Series:
- BQH
- Terminal Type:
- Load Lug
- Number of Poles:
- 3
- Voltage Rating:
- 240 VAC at 50/60 Hz (UL)
- Current Rating:
- 50 A
- Interrupting Rating:
- 22 kA at 240 VAC Symmetrical (UL)
- Country of Origin:
- MEX
- Approval:
- UL
MSRP $914.00Surplus $295.34 -
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Siemens BQ3B070H Molded Case Breakers (MCCBs)
MSRP $213.29Surplus $57.59SKU: C15-15671 Brand: Siemens MPN: BQ3B070H UPC: 78364316173 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-15671
- Current Rating:
- 70 A
- Voltage Rating:
- 240 VAC at 50/60 Hz (UL)
- Country of Origin:
- MEX
- Series:
- BQH
- Data Sheet:
- SiemensAG_05405_1_DATA.pdf
- Wire Size:
- 8 to 4 AWG (Copper), 8 to 2 AWG (Aluminum)
- Approval:
- UL
- Catalog:
- SiemensAG_01698_17_1_17_7_CAT.pdf
- Type:
- Molded Case, Thermal and Fixed Magnetic, Common Trip
- Used On:
- P1/P2/P3/P4/P5 Panelboard
- Terminal Type:
- Load Lug
- Interrupting Rating:
- 22 kA at 240 VAC Symmetrical (UL)
- Short Description:
- 240 VAC, 70 A, 22 kA, 3-Pole, Load Lug Terminal, BQH Frame, Bolt-On, Common Trip, Molded Case Circuit Breaker
- Size:
- 3 Inch W x 3 Inch D x 4 Inch H
- Number of Poles:
- 3
MSRP $213.29Surplus $57.59 -
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Siemens BQ3B100H Molded Case Breakers (MCCBs)
MSRP $1,004.71Surplus $271.27SKU: C15-15674 Brand: Siemens MPN: BQ3B100H UPC: 78364316175 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-15674
- Short Description:
- 240 VAC, 100 A, 22 kA, 3-Pole, Load Lug Terminal, BQH Frame, Bolt-On, Common Trip, Molded Case Circuit Breaker
- Size:
- 3 Inch W x 3 Inch D x 4 Inch H
- Approval:
- UL
- Series:
- BQH
- Interrupting Rating:
- 22 kA at 240 VAC Symmetrical (UL)
- Voltage Rating:
- 240 VAC at 50/60 Hz (UL)
- Type:
- Molded Case, Thermal and Fixed Magnetic, Common Trip
- Number of Poles:
- 3
- Country of Origin:
- MEX
- Wire Size:
- 4 to 1/0 AWG (Copper), 2 to 1/0 AWG (Aluminum)
- Current Rating:
- 100 A
- Terminal Type:
- Load Lug
- Data Sheet:
- SiemensAG_05410_1_DATA.pdf
- Catalog:
- SiemensAG_01698_17_1_17_7_CAT.pdf
- Used On:
- P1/P2/P3/P4/P5 Panelboard
MSRP $1,004.71Surplus $271.27
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