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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Eaton BAB2020H Miniature Circuit Breakers (MCBs) BAB 2P 20A 240V 50/60Hz 1Ph EA
MSRP $558.13Surplus $127.74Eaton BAB2020H Miniature Circuit Breakers (MCBs) BAB 2P 20A 240V 50/60Hz 1Ph EA​ ARCA SKU: C15-1042 Brand: Eaton MPN: BAB2020H UPC: 786679302231 Shipping Weight: 0.65 lbs. Shipping...- SKU:
- C15-1042
- Series:
- BAB
- Type:
- Thermal Magnetic
- Approval:
- UL 489
- Approval:
- CSA
- Volts:
- 240 VAC
- Amps:
- 32 A
- Poles:
- 2
- Mounting:
- Bolt-On
- Interrupting Rating:
- 10000 A at 120/240 VAC
- Interrupting Rating:
- 5000 A at 24 to 48/62.5/80 VDC
- Terminal Type:
- Extended Tang Line Terminal
- Terminal Type:
- Box Lug Load Terminal
- Wire Size:
- 14 to 4 AWG Aluminum/Copper (Load)
- Short Description:
- 240 VAC, 20 A, 10 kA, 2-Pole, Extended Tang Line/Box Lug Load Terminal, Bolt-On Mount, Thermal Magnetic, Miniature
- Catalog:
- Eaton_03771_V4T1_3_V4T1_11_V4T1_12_CAT.pdf
- TS PIK:
- 21508681
- Current Rating:
- 20 A
- Voltage Rating:
- 240 VAC
- Number of Poles:
- 2
MSRP $558.13Surplus $127.74 -
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Eaton QBHW3020HS Miniature Circuit Breakers (MCBs) 3P 20A 240V EA
MSRP $1,801.34Surplus $556.32Eaton QBHW3020HS Miniature Circuit Breakers (MCBs) 3P 20A 240V EA​ ARCA SKU: C15-3226 Brand: Eaton MPN: QBHW3020HS UPC: 786679742945 Shipping Weight: 1.35 lbs. Shipping Height: 4.00...- SKU:
- C15-3226
- Approval:
- UL 489
- Approval:
- CSA
- Amps:
- 20 A
- Interrupting Rating:
- 22000 A at 240 VAC
- Mounting:
- Bolt-On
- Poles:
- 3
- Size:
- 3.2 Inch Width x 3 Inch Depth x 3 Inch Height
- Terminal Type:
- Steel Box Lug Standard Load
- Type:
- Thermal Magnetic
- Type:
- Miniature
- Volts:
- 240 VAC
- Gauge:
- 14 to 4 AWG Copper/Aluminum (Standard Load)
- Number of Poles:
- 3
- Voltage Rating:
- 240 VAC
- Current Rating:
- 20 A
- Catalog:
- Eaton_03771_V4T1_3-V4T1_46_CAT.pdf
- Wire Size:
- 14 to 4 AWG Copper/Aluminum (Standard Load)
- Short Description:
- EATON QUICkLAG INDUSTRIAL THERMAL-MAGNETIC CIRCUIT BREAkER, 120, 208, 240V SHUNT
MSRP $1,801.34Surplus $556.32 -
Eaton BAB3020HS Miniature Circuit Breakers (MCBs) BA 3P 20A 120/240V 50/60Hz 3Ph EA
MSRP $1,171.86Surplus $234.27SKU: C15-1083 Brand: Eaton MPN: BAB3020HS UPC: 786679509647 Shipping Weight: 1.25 lbs. Shipping Height: 3.50 In. Shipping Length: 4.00 In. Shipping Width: 3.70 In...- SKU:
- C15-1083
- TS PIK:
- 107004134
- Catalog:
- Eaton_03771_V4T1_11_V4T1_12_V4T1_45_CAT.pdf
- Type:
- Thermal Magnetic
- Short Description:
- 240 VAC, 20 A, 10 kA, 3-Pole, Extended Tang Line/Box Lug Load Terminal, Bolt-On Mount, Shunt Trip, Thermal Magnetic, Miniature, Circuit Breaker
- Voltage Rating:
- 240 VAC
- Interrupting Rating:
- 10000 A at 240 VAC
- Series:
- BAB
- Mounting:
- Bolt-On
- Terminal Type:
- Extended Tang Line Terminal, Box Lug Load Terminal
- Number of Poles:
- 3
- Wire Size:
- 14 to 4 AWG Aluminum/Copper (Load)
- Current Rating:
- 20 A
- Country of Origin:
- Dominican Republic
MSRP $1,171.86Surplus $234.27 -
Eaton BAB3020H Miniature Circuit Breakers (MCBs) 3P 20A 120V EA
MSRP $629.51Surplus $108.63Eaton BAB3020H Miniature Circuit Breakers (MCBs) 3P 20A 120V EA​ ARCA SKU: C15-1082 Brand: Eaton MPN: BAB3020H UPC: 786679303207 Shipping Weight: 1.00 lbs. Shipping Height: 3.00 In...- SKU:
- C15-1082
- Series:
- BAB
- Type:
- Thermal Magnetic
- Approval:
- UL 489
- Approval:
- CSA
- Volts:
- 240 VAC
- Amps:
- 32 A
- Poles:
- 3
- Mounting:
- Bolt-On
- Interrupting Rating:
- 10 kA at 240 VAC
- Terminal Type:
- Extended Tang Line
- Terminal Type:
- Box Lug Load
- Wire Size:
- 14 to 4 AWG Copper/Aluminum (Load)
- Short Description:
- 240 VAC, 20 A, 10 kA, 3-Pole, Extended Tang Line/Box Lug Load Terminal, Bolt-On Mount, Thermal Magnetic, Miniature
- Catalog:
- Eaton_03771_V4T1_3_V4T1_11_V4T1_12_CAT.pdf
- TS PIK:
- 21508706
- Voltage Rating:
- 240 VAC
- Current Rating:
- 20 A
- Number of Poles:
- 3
- Country of Origin:
- Dominican Republic
MSRP $629.51Surplus $108.63 -
Siemens B320 Miniature Circuit Breakers (MCBs)
MSRP $846.73Surplus $105.01Siemens B320 Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-6078 Brand: Siemens MPN: B320 UPC: Shipping Weight: 0.95 lbs. Shipping Height: 3.00 In. Shipping Length: 4...- SKU:
- C15-6078
- Short Description:
- 240 VAC, 20 A, 10 kA, 3-Pole, Bolt-On Mount, Molded Case, Common Trip, Thermal Magnetic Trip Unit, Branch, Panelboard Circuit Breaker
- Voltage Rating:
- 240 VAC
- Catalog:
- SiemensAG_00564_7_29_CAT.pdf
- Number of Poles:
- 3
- Type:
- Thermal and Fixed Magnetic, Branch, Common Trip, Molded Case
- Interrupting Rating:
- 10 kA at 24 VAC
- Current Rating:
- 20 A
- Data Sheet:
- SiemensAG_05238_1_DATA.pdf
- Used On:
- P1/P2/P3/P4/P5 Panelboard
- Installation/Operator:
- SiemensAG_00215_INST.pdf
- Mounting:
- Bolt-On
- Country of Origin:
- Mexico
- Approval:
- UL 489, CSA C22.2
- Application:
- Lighting, Distribution
- Installation:
- Bolt-On
MSRP $846.73Surplus $105.01 -
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Crouse-Hinds BAB3020H Miniature Circuit Breakers (MCBs) 3P 20A
MSRP $629.51Surplus $202.78Crouse-Hinds BAB3020H Miniature Circuit Breakers (MCBs) 3P 20A​ ARCA SKU: C15-5643 Brand: Crouse-Hinds MPN: BAB3020H UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In...- SKU:
- C15-5643
- TS PIK:
- 21508706
- Short Description:
- 240 VAC, 20 A, 10 kA, 3-Pole, Extended Tang Line/Box Lug Load Terminal, Bolt-On Mount, Thermal Magnetic, Miniature, Circuit Breaker
- Series:
- BAB
- Terminal Type:
- Extended Tang Line, Box Lug Load
- Catalog:
- Eaton_03771_V4T1_3_V4T1_11_V4T1_12_CAT.pdf
- Mounting:
- Bolt-On
- Interrupting Rating:
- 10 kA at 240 VAC
- Current Rating:
- 20 A
- Voltage Rating:
- 240 VAC
- Wire Size:
- 14 to 4 AWG Copper/Aluminum (Load)
- Type:
- Thermal Magnetic
- Number of Poles:
- 3
MSRP $629.51Surplus $202.78 -
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Crouse-Hinds CHB220 Miniature Circuit Breakers (MCBs) 2P 20A
MSRP $354.14Surplus $149.99Crouse-Hinds CHB220 Miniature Circuit Breakers (MCBs) 2P 20A​ ARCA SKU: C15-5690 Brand: Crouse-Hinds MPN: CHB220 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping...- SKU:
- C15-5690
- TS PIK:
- 111010052
- Short Description:
- 240 VAC, 20 A, 10 kA, 2-Pole, Bolt-On Mount, Molded Case, Circuit Breaker
- Number of Poles:
- 2
- Series:
- CHB
- Used On:
- PB Series Panel board
- Mounting:
- Bolt-On
- Type:
- Molded Case
- Voltage Rating:
- 240 VAC
- Current Rating:
- 20 A
MSRP $354.14Surplus $149.99 -
Eaton BAB3020HS1 Miniature Circuit Breakers (MCBs) BAB 3P 20A 240V 50/60Hz 3Ph
MSRP $1,192.50Surplus $195.05SKU: C15-1781 Brand: Eaton MPN: BAB3020HS1 UPC: 786679377741 Shipping Weight: 0.50 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-1781
- Approval:
- UL 489
- Approval:
- CSA
- Amps:
- 20 A
- Interrupting Rating:
- 10000 A at 240 VAC
- Mounting:
- Bolt-On
- Poles:
- 3
- Terminal Type:
- Steel Box Lug Standard Load
- Type:
- Thermal Magnetic
- Type:
- Non-Interchangeable Trip
- Type:
- Miniature
- Volts:
- 240 VAC
- Gauge:
- 14 to 4 AWG Copper/Aluminum (Standard Load)
- Current Rating:
- 20 A
- Number of Poles:
- 3
- Voltage Rating:
- 240 VAC
- Catalog:
- Eaton_03771_V4T1_3-V4T1_46_CAT.pdf
- Wire Size:
- 14 to 4 AWG Copper/Aluminum (Standard Load)
- Short Description:
- QUICKLAG INDUSTRIAL THERMAL-MAGNETIC CIRCUIT BREAKER, THREE-POLE, 24,48V/DC SHUN
- Country of Origin:
- United States
MSRP $1,192.50Surplus $195.05 -
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Eaton CHB220 Miniature Circuit Breakers (MCBs)
MSRP $503.68Surplus $224.51SKU: C15-2092 Brand: Eaton MPN: CHB220 UPC: 782113112435 Shipping Weight: 0.60 lbs. Shipping Height: 4.00 In. Shipping Length: 4.00 In. Shipping Width: 2.00 In...- SKU:
- C15-2092
- Amps:
- 20 A
- Mounting:
- Bolt-On
- Poles:
- 2
- Terminal Type:
- Molded Case
- Used On:
- PB Series Panel board
- Volts:
- 240 VAC
- Short Description:
- 240 VAC, 20 A, 10 kA, 2-Pole, Bolt-On Mount, Molded Case, Circuit Breaker
- Series:
- CH
- TS PIK:
- 111010052
- Voltage Rating:
- 240 VAC
- Current Rating:
- 20 A
- Type:
- Molded Case
- Number of Poles:
- 2
- Country of Origin:
- Dominican Republic
MSRP $503.68Surplus $224.51 -
Eaton QBHW2020H Miniature Circuit Breakers (MCBs)
MSRP $727.14Surplus $80.37Eaton QBHW2020H Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-1658 Brand: Eaton MPN: QBHW2020H UPC: 786679152508 Shipping Weight: 0.70 lbs. Shipping Height: 4.80 In. Shipping...- SKU:
- C15-1658
- Series:
- QBHW
- Type:
- Thermal Magnetic
- Approval:
- UL 489
- Approval:
- CSA
- Volts:
- 240 VAC
- Amps:
- 32 A
- Poles:
- 2
- Mounting:
- Bolt-On
- Interrupting Rating:
- 22000 A at 240 VAC
- Terminal Type:
- Extended Tang Line Terminal
- Terminal Type:
- Box Lug Load Terminal
- Wire Size:
- 14 to 4 AWG Aluminum/Copper (Load)
- Short Description:
- 240 VAC, 20 A, 22 kA, 2-Pole, Extended Tang Line/Steel Box Lug Load Terminal, Bolt-On Mount, Thermal Magnetic, Miniature
- Catalog:
- Eaton_03771_V4T1_12_CAT.pdf
- Voltage Rating:
- 240 VAC
- Current Rating:
- 20 A
- Number of Poles:
- 2
- TS PIK:
- 21505481
- Country of Origin:
- United States
MSRP $727.14Surplus $80.37 -
Eaton QBHW3020H Molded Case Breakers (MCCBs)
MSRP $938.98Surplus $156.60SKU: C15-1528 Brand: Eaton MPN: QBHW3020H UPC: 78667939320 Shipping Weight: 1.05 lbs. Shipping Height: 3.00 In. Shipping Length: 4.00 In. Shipping Width: 4.00 In...- SKU:
- C15-1528
- Series:
- QBHW
- Type:
- Molded Case
- Type:
- Thermal Magnetic
- Approval:
- UL
- Approval:
- CSA
- Size:
- 3.8 Inch Length x 3.2 Inch Width x 4.7 Inch Height
- Volts:
- 240 VAC
- Amps:
- 32 A
- Poles:
- 3
- Mounting:
- Bolt-On
- Interrupting Rating:
- 22 kA
- Terminal Type:
- Extended Tang Line Terminal
- Terminal Type:
- Box Lug Load Terminal
- Wire Size:
- 8 to 1/0 AWG (Copper/Aluminum)
- Short Description:
- 240 VAC, 20 A, 22 kA, 3-Pole, Extended Tang Line/Steel Box Lug Load Terminal, Bolt-On Mount, Thermal Magnetic, Miniature
- Catalog:
- Eaton_03771_V4T1_12_CAT.pdf
- Data Sheet:
- Eaton_07831_1-3_DATA.pdf
- Installation/Operator:
- Eaton_00091_INST.pdf
- TS PIK:
- 21510605
- Voltage Rating:
- 240 VAC
- Current Rating:
- 20 A
- Number of Poles:
- 3
- Country of Origin:
- Dominican Republic
MSRP $938.98Surplus $156.60 -
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Siemens B320H Miniature Circuit Breakers (MCBs) B 3P 20A 240V 50/60Hz 3Ph
MSRP $358.02Surplus $206.40Siemens B320H Miniature Circuit Breakers (MCBs) B 3P 20A 240V 50/60Hz 3Ph​ ARCA SKU: C15-1455 Brand: Siemens MPN: B320H UPC: 783643263994 Shipping Weight: 1.05 lbs. Shipping...- SKU:
- C15-1455
- Type:
- Molded Case
- Type:
- Thermal and Fixed Magnetic
- Type:
- Branch
- Type:
- Common Trip
- Approval:
- UL 489
- Approval:
- CSA C22.2
- Volts:
- 240 VAC at 50/60 Hertz (UL)
- Amps:
- 32 A
- Used On:
- P1/P2/P3/P4/P5 Panelboard
- Poles:
- 3
- Interrupting Rating:
- 22 kA at 240 VAC (UL)
- Application:
- Lighting
- Application:
- Distribution
- Installation:
- Bolt-On
- Short Description:
- 240 VAC, 20 A, 22 kA, 3-Pole, Bolt-On Mount, Molded Case, Common Trip, Branch
- Catalog:
- SiemensAG_00564_7_29_CAT.pdf
- Data Sheet:
- SiemensAG_05240_1_DATA.pdf
- Installation/Operator:
- SiemensAG_00215_INST.pdf
- TS PIK:
- 21368420
- Voltage Rating:
- 240 VAC
- Number of Poles:
- 3
- Current Rating:
- 20 A
- Mounting:
- Bolt-On
- Series:
- B
- Country of Origin:
- Mexico
MSRP $358.02Surplus $206.40
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