
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
- Price
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Eaton BAB2020V Miniature Circuit Breakers (MCBs)
MSRP $173.00Surplus $64.94SKU: C15-1045 Brand: Eaton MPN: BAB2020V UPC: 786679302248 Shipping Weight: 0.55 lbs. Shipping Height: 2.00 In. Shipping Length: 4.00 In. Shipping Width: 4.00 In...- SKU:
- C15-1045
- TS PIK:
- 107000987
- Short Description:
- EATON BAB THERMAL MAGNETIC CIRCUIT BREAKER,QUICKLAG INDUSTRIAL THERMAL-MAGNETIC
MSRP $173.00Surplus $64.94 -
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Eaton BAB2025H Miniature Circuit Breakers (MCBs) BAB 2P 25A 240V 50/60Hz 1Ph
MSRP $360.00Surplus $161.45Eaton BAB2025H Miniature Circuit Breakers (MCBs) BAB 2P 25A 240V 50/60Hz 1Ph​ ARCA SKU: C15-3881 Brand: Eaton MPN: BAB2025H UPC: 786679152416 Shipping Weight: 0.60 Shipping Height: 4.00 In...- SKU:
- C15-3881
- 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, 25 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
MSRP $360.00Surplus $161.45 -
Eaton BAB2025HT Miniature Circuit Breakers (MCBs) EA
MSRP $453.59Surplus $87.96Eaton BAB2025HT Miniature Circuit Breakers (MCBs) EA​ ARCA SKU: C15-5262 Brand: Eaton MPN: BAB2025HT UPC: 78211416413 Shipping Weight: 0.60 lbs. Shipping Height: 2.00 In. Shipping...- SKU:
- C15-5262
- Amps:
- 25 A
- Poles:
- 2
- Short Description:
- EATON BAB THERMAL MAGNETIC CIRCUIT BREAKER,QUICKLAG INDUSTRIAL THERMAL-MAGNETIC
- Number of Poles:
- 2
- Country of Origin:
- Dominican Republic
MSRP $453.59Surplus $87.96 -
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Eaton BAB2025S Miniature Circuit Breakers (MCBs) BAB 2P 25A 120/240V 50/60Hz 1Ph
MSRP $524.00Surplus $206.76SKU: C15-1047 Brand: Eaton MPN: BAB2025S UPC: 786679369524 Shipping Weight: 1.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-1047
- Approval:
- UL 489
- Approval:
- CSA
- Amps:
- 25 A
- Interrupting Rating:
- 10000 A at 120/240 V AC
- Interrupting Rating:
- 5000 Amp at 24 to 48/62.5/80 Volt DC
- Mounting:
- Bolt-On
- Poles:
- 2
- Size:
- 2.2 Inch Width x 3.9 Inch Depth x 4.8 Inch Height
- Terminal Type:
- Ring/Spade Lug
- Type:
- Thermal Magnetic
- Type:
- Non-Interchangeable Trip
- Type:
- Miniature
- Volts:
- 120/240 VAC
- Volts:
- 24/48/80 VDC
- Gauge:
- 14 to 4 AWG Copper/Aluminum (Standard Load)
- Voltage Rating:
- 120/240 V AC, 24/48/80 V DC
- Current Rating:
- 25 A
- Catalog:
- Eaton_03771_V4T1_3-V4T1_46_CAT.pdf
- Number of Poles:
- 2
- Wire Size:
- 14 to 4 AWG Copper/Aluminum (Standard Load)
MSRP $524.00Surplus $206.76 -
Eaton BAB2030HT Miniature Circuit Breakers (MCBs) BAB 2P 30A 240V 50/60Hz 1Ph EA
MSRP $420.00Surplus $69.98Eaton BAB2030HT Miniature Circuit Breakers (MCBs) BAB 2P 30A 240V 50/60Hz 1Ph EA​ ARCA SKU: C15-4026 Brand: Eaton MPN: BAB2030HT UPC: 782114288030 Shipping Weight: 0.60 lbs. Shipping...- SKU:
- C15-4026
- Series:
- BAB
- Volts:
- 240 V
- Amps:
- 30 A
- Poles:
- 2
- Frequency Rating:
- 50/60 Hz
- Short Description:
- EATON BAB THERMAL MAGNETIC CIRCUIT BREAKER,QUICKLAG INDUSTRIAL THERMAL-MAGNETIC
- TS PIK:
- 126899806
- Number of Poles:
- 2
- Country of Origin:
- Dominican Republic
MSRP $420.00Surplus $69.98 -
Eaton BAB2030HTS Miniature Circuit Breakers (MCBs) EA
MSRP $400.00Surplus $49.51Eaton BAB2030HTS Miniature Circuit Breakers (MCBs) EA​ ARCA SKU: C15-11214 Brand: Eaton MPN: BAB2030HTS UPC: Shipping Weight: 0.80 lbs. Shipping Height: 4.00 In. Shipping...- SKU:
- C15-11214
- Series:
- BAB
- Current Rating:
- 30 A
- Number of Poles:
- 2
MSRP $400.00Surplus $49.51 -
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Eaton BAB2030HV Miniature Circuit Breakers (MCBs) BA 2P 30A 120/240V 50/60Hz 1Ph
MSRP $468.00Surplus $215.40SKU: C15-1050 Brand: Eaton MPN: BAB2030HV UPC: 782114991183 Shipping Weight: 0.50 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-1050
- TS PIK:
- 117058574
MSRP $468.00Surplus $215.40 -
Eaton BAB2030S Miniature Circuit Breakers (MCBs) BAB 2P 30A 240V 50/60Hz 1Ph
MSRP $560.00Surplus $130.13SKU: C15-1051 Brand: Eaton MPN: BAB2030S UPC: 786679509623 Shipping Weight: 0.85 lbs. Shipping Height: 4.00 In. Shipping Length: 4.00 In. Shipping Width: 4.00 In...- SKU:
- C15-1051
- Series:
- BAB
- Type:
- Thermal Magnetic
- Approval:
- UL 489
- Approval:
- CSA
- Volts:
- 120/240 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:
- 120/240 VAC, 30 A, 10 kA, 2-Pole, Extended Tang Line/Box Lug Load Terminal, Bolt-On Mount, Shunt Trip, Thermal Magnetic
- Catalog:
- Eaton_21247_4_9_CAT.pdf
- Voltage Rating:
- 120/240 VAC
- Current Rating:
- 30 A
- Number of Poles:
- 2
- Country of Origin:
- Dominican Republic
MSRP $560.00Surplus $130.13 -
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Eaton BAB2030V Miniature Circuit Breakers (MCBs) BA 2P 30A 120/240V 50/60Hz 1Ph EA
MSRP $206.00Surplus $83.76Eaton BAB2030V Miniature Circuit Breakers (MCBs) BA 2P 30A 120/240V 50/60Hz 1Ph EA​ ARCA SKU: C15-1052 Brand: Eaton MPN: BAB2030V UPC: 786679839744 Shipping Weight: 0.55 Shipping Height: 3...- SKU:
- C15-1052
- Series:
- Quicklag
- Volts:
- 120/240 V
- Amps:
- 30 A
- Poles:
- 2
- Frequency Rating:
- 50/60 Hz
- Short Description:
- EATON BAB THERMAL MAGNETIC CIRCUIT BREAKER,QUICKLAG INDUSTRIAL THERMAL-MAGNETIC
MSRP $206.00Surplus $83.76 -
Eaton BAB2035H Miniature Circuit Breakers (MCBs) BA 2P 35A 240V 50/60Hz 1Ph EA
MSRP $333.00Surplus $139.42Eaton BAB2035H Miniature Circuit Breakers (MCBs) BA 2P 35A 240V 50/60Hz 1Ph EA​ ARCA SKU: C15-3078 Brand: Eaton MPN: BAB2035H UPC: 786679152423 Shipping Weight: 0.60 lbs. Shipping...- SKU:
- C15-3078
- Approval:
- UL 489
- Approval:
- CSA
- Amps:
- 35 A
- Interrupting Rating:
- 10000 Ampere at 120/240 VAC
- Interrupting Rating:
- 5000 Ampere at 24 to 48/62.5/80 VDC
- Mounting:
- Bolt-On
- Poles:
- 2
- Terminal Type:
- Extended Tang Line Terminal
- Terminal Type:
- Box Lug Load Terminal
- Type:
- Thermal Magnetic
- Volts:
- 240 VAC
- Gauge:
- 14 to 4 AWG Aluminum/Copper (Load)
- Short Description:
- 240 VAC, 35 A, 10 kA, 2-Pole, Extended Tang Line/Box Lug Load Terminal, Bolt-On Mount, Thermal Magnetic, Miniature, Circuit Breaker
- Series:
- BAB
- Specification/Technical:
- Eaton_05349_1_2_SPEC.pdf
MSRP $333.00Surplus $139.42 -
Eaton BAB2035V Miniature Circuit Breakers (MCBs)
MSRP $299.77Surplus $92.35SKU: C15-11444 Brand: Eaton MPN: BAB2035V UPC: Shipping Weight: 0.60 lbs. Shipping Height: 2.00 In. Shipping Length: 4.00 In. Shipping Width: 4.00 In. Product...- SKU:
- C15-11444
- TS PIK:
- 107002431
MSRP $299.77Surplus $92.35 -
Eaton BAB2040 Miniature Circuit Breakers (MCBs) 2P 40A EA
MSRP $151.20Surplus $55.86Eaton BAB2040 Miniature Circuit Breakers (MCBs) 2P 40A EA​ ARCA SKU: C15-5634 Brand: Eaton MPN: BAB2040 UPC: 78667930240 Shipping Weight: 0.60 lbs. Shipping Height: 4.00 In...- SKU:
- C15-5634
- TS PIK:
- 21508687
- Catalog:
- EatonCorp_00004_V4T1_12_CAT.pdf
- Type:
- Thermal Magnetic
- Interrupting Rating:
- 10000 A
- Terminal Type:
- Bolt-On
- Number of Poles:
- 2
- Current Rating:
- 40 A
- Series:
- BAB
- Short Description:
- 2" x 3.1" x 2.9", 120/240 VAC, 40 A at 40 Deg C, 10000 A Interrupt, 2-Pole, Bolt-On, Thermal Magnetic, Circuit Breaker
- Voltage Rating:
- 120/240 VAC
- Size:
- 2 Inch Width x 3.1 Inch Depth x 2.9 Inch Height
- Country of Origin:
- Dominican Republic
MSRP $151.20Surplus $55.86 -
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Eaton BAB2040H Miniature Circuit Breakers (MCBs) BA 2P 40A 240V 50/60Hz 1Ph
MSRP $341.00Surplus $141.95Eaton BAB2040H Miniature Circuit Breakers (MCBs) BA 2P 40A 240V 50/60Hz 1Ph​ ARCA SKU: C15-1055 Brand: Eaton MPN: BAB2040H UPC: 786679302422 Shipping Weight: 0.65 Shipping Height: 3.50 In...- SKU:
- C15-1055
- 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, 40 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
- Voltage Rating:
- 240 VAC
- Current Rating:
- 40 A
- Number of Poles:
- 2
MSRP $341.00Surplus $141.95 -
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Eaton BAB2040H08 Miniature Circuit Breakers (MCBs) BA 2P 40A 120V 50/60Hz 1Ph
MSRP $550.00Surplus $108.47Eaton BAB2040H08 Miniature Circuit Breakers (MCBs) BA 2P 40A 120V 50/60Hz 1Ph​ ARCA SKU: C15-4259 Brand: Eaton MPN: BAB2040H08 UPC: Shipping Weight: 0.60 Shipping Height: 3.00 In...- SKU:
- C15-4259
- Series:
- Quicklag
- Volts:
- 120 V
- Amps:
- 40 A
- Poles:
- 2
- Frequency Rating:
- 50/60 Hz
MSRP $550.00Surplus $108.47 -
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Eaton BAB2040HV Miniature Circuit Breakers (MCBs) BAB 2P 40A 240V 50/60Hz 1Ph
MSRP $540.00Surplus $140.97Eaton BAB2040HV Miniature Circuit Breakers (MCBs) BAB 2P 40A 240V 50/60Hz 1Ph​ ARCA SKU: C15-2510 Brand: Eaton MPN: BAB2040HV UPC: Shipping Weight: 0.70 Shipping Height: 2.00 In. Shipping...- SKU:
- C15-2510
- Series:
- Quicklag
- Volts:
- 240 V
- Amps:
- 40 A
- Poles:
- 2
- Frequency Rating:
- 50/60 Hz
MSRP $540.00Surplus $140.97 -
Eaton BAB2040S Miniature Circuit Breakers (MCBs) BA 2P 40A 120/240V 50/60Hz 1Ph EA
MSRP $519.81Surplus $124.32SKU: C15-1056 Brand: Eaton MPN: BAB2040S UPC: 786679369784 Shipping Weight: 0.95 lbs. Shipping Height: 5.00 In. Shipping Length: 4.00 In. Shipping Width: 4.00 In...- SKU:
- C15-1056
- Series:
- BAB
- Type:
- Thermal Magnetic
- Approval:
- UL 489
- Approval:
- CSA
- Volts:
- 120/240 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:
- 120/240 VAC, 40 A, 10 kA, 2-Pole, Extended Tang Line/Box Lug Load Terminal, Bolt-On Mount, Shunt Trip, Thermal Magnetic
- Catalog:
- Eaton_21247_4_9_CAT.pdf
- Voltage Rating:
- 120/240 VAC
- Current Rating:
- 40 A
- Number of Poles:
- 2
- Country of Origin:
- Dominican Republic
MSRP $519.81Surplus $124.32 -
Eaton BAB2045 Miniature Circuit Breakers (MCBs) 2P 45A 240V 0Ph EA
MSRP $141.00Surplus $43.29Eaton BAB2045 Miniature Circuit Breakers (MCBs) 2P 45A 240V 0Ph EA​ ARCA SKU: C15-5596 Brand: Eaton MPN: BAB2045 UPC: 786679302446 Shipping Weight: 0.60 lbs. Shipping Height: 4.00 In...- SKU:
- C15-5596
- Series:
- BAB
- Terminal Type:
- Extended Tang Line Terminal, Box Lug Load Terminal
- Interrupting Rating:
- 10 kA
- Type:
- Thermal Magnetic
- Mounting:
- Bolt-On
- Voltage Rating:
- 120/240 VAC
- Number of Poles:
- 2
- Short Description:
- 120/240 VAC, 45 A, 10 kA, 2-Pole, Extended Tang Line/Box Lug Load Terminal, Bolt-On Mount, Thermal Magnetic, Miniature, Circuit Breaker
- Wire Size:
- 14 to 4 AWG Load (Copper/Aluminum)
- Catalog:
- Eaton_03771_V4T1_11_V4T1_12_V4T1_46_CAT.pdf
- Current Rating:
- 45 A
- Country of Origin:
- Dominican Republic
MSRP $141.00Surplus $43.29 -
Eaton BAB2045 Miniature Circuit Breakers (MCBs) 2P 45A 240V EA
MSRP $155.60Surplus $51.63Eaton BAB2045 Miniature Circuit Breakers (MCBs) 2P 45A 240V EA​ ARCA SKU: C15-1057 Brand: Eaton MPN: BAB2045 UPC: 786679302446 Shipping Weight: 0.60 lbs. Shipping Height: 2.00 In...- SKU:
- C15-1057
- Series:
- BAB
- Type:
- Thermal Magnetic
- Approval:
- UL
- Approval:
- CSA
- Volts:
- 120/240 VAC
- Amps:
- 32 A
- Poles:
- 2
- Mounting:
- Bolt-On
- Interrupting Rating:
- 10 kA
- Terminal Type:
- Extended Tang Line Terminal
- Terminal Type:
- Box Lug Load Terminal
- Wire Size:
- 14 to 4 AWG Load (Copper/Aluminum)
- Short Description:
- 120/240 VAC, 45 A, 10 kA, 2-Pole, Extended Tang Line/Box Lug Load Terminal, Bolt-On Mount, Thermal Magnetic, Miniature
- Catalog:
- Eaton_03771_V4T1_11_V4T1_12_V4T1_46_CAT.pdf
- Voltage Rating:
- 120/240 VAC
- Current Rating:
- 45 A
- Number of Poles:
- 2
- Country of Origin:
- Dominican Republic
MSRP $155.60Surplus $51.63 -
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Eaton BAB2045V Miniature Circuit Breakers (MCBs) BA 2P 45A 120/240V 50/60Hz 1Ph
MSRP $164.00Surplus $79.25Eaton BAB2045V Miniature Circuit Breakers (MCBs) BA 2P 45A 120/240V 50/60Hz 1Ph​ ARCA SKU: C15-1058 Brand: Eaton MPN: BAB2045V UPC: 786679369906 Shipping Weight: 1.00 lbs. Shipping...- SKU:
- C15-1058
- TS PIK:
- 125134200
MSRP $164.00Surplus $79.25 -
Eaton BAB2050H Miniature Circuit Breakers (MCBs) BA 2P 50A 120/240V 50/60Hz 1Ph EA
MSRP $341.00Surplus $117.20Eaton BAB2050H Miniature Circuit Breakers (MCBs) BA 2P 50A 120/240V 50/60Hz 1Ph EA​ ARCA SKU: C15-1060 Brand: Eaton MPN: BAB2050H UPC: 786679302521 Shipping Weight: 0.65 lbs. Shipping...- SKU:
- C15-1060
- TS PIK:
- 21508691
- Short Description:
- 240 VAC, 50 A, 10 kA, 2-Pole, Extended Tang Line/Box Lug Load Terminal, Bolt-On Mount, Thermal Magnetic, Miniature, Circuit Breaker
- Type:
- Thermal Magnetic
- Series:
- BAB
- Terminal Type:
- Extended Tang Line Terminal, Box Lug Load Terminal
- Voltage Rating:
- 240 VAC
- Mounting:
- Bolt-On
- Number of Poles:
- 2
- Catalog:
- Eaton_03771_V4T1_3_V4T1_11_V4T1_12_CAT.pdf
- Wire Size:
- 14 to 4 AWG Aluminum/Copper (Load)
- Current Rating:
- 50 A
- Interrupting Rating:
- 10000 A at 120/240 VAC, 5000 A at 24 to 48/62.5/80 VDC
- Country of Origin:
- Dominican Republic
MSRP $341.00Surplus $117.20
Disclaimer: ARCA Supply is not an authorized distributor, reseller or representative of any manufacturer, brand or product listed. All product names, trademarks, brands and logos are the property of their respective owners. The depiction, description or sale of products featuring these names, trademarks, brands and logos is for identification purposes only and is not intended to indicate any affiliation with or authorization by any rights holder. All items sold by ARCA Supply are covered under ARCA Supply's warranty and not the manufacturer warranty.