
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 QBHW3020HH08 Miniature Circuit Breakers (MCBs) QB 3P 20A 240V 50/60Hz 3Ph
MSRP $912.00Surplus $146.68Eaton QBHW3020HH08 Miniature Circuit Breakers (MCBs) QB 3P 20A 240V 50/60Hz 3Ph​ ARCA SKU: C15-4223 Brand: Eaton MPN: QBHW3020HH08 UPC: Shipping Weight: 1.05 Shipping Height: 4.00 In...- SKU:
- C15-4223
- Series:
- Quicklag
- Volts:
- 240 V
- Amps:
- 20 A
- Poles:
- 3
- Frequency Rating:
- 50/60 Hz
- Number of Poles:
- 3
MSRP $912.00Surplus $146.68 -
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Eaton QBHW3020HT Miniature Circuit Breakers (MCBs) QBHW 3P 20A 240V 50/60Hz 3Ph
MSRP $700.00Surplus $223.58SKU: C15-4600 Brand: Eaton MPN: QBHW3020HT UPC: Shipping Weight: 1.00 lbs. Shipping Height: 3.00 In. Shipping Length: 4.00 In. Shipping Width: 4.00 In. Product...- SKU:
- C15-4600
- Series:
- Quicklag
- Volts:
- 240 V
- Amps:
- 20 A
- Poles:
- 3
- Frequency Rating:
- 50/60 Hz
MSRP $700.00Surplus $223.58 -
Eaton QBHW3025H Miniature Circuit Breakers (MCBs) QBHW 3P 25A 240V 50/60Hz 3Ph EA
MSRP $733.92Surplus $175.80Eaton QBHW3025H Miniature Circuit Breakers (MCBs) QBHW 3P 25A 240V 50/60Hz 3Ph EA​ ARCA SKU: C15-2574 Brand: Eaton MPN: QBHW3025H UPC: 786679393253 Shipping Weight: 1.05 lbs. Shipping...- SKU:
- C15-2574
- Series:
- QBHW
- Type:
- Compact
- Approval:
- UL 489
- Approval:
- CSA
- Volts:
- 240 VAC
- Amps:
- 32 A
- Poles:
- 3
- 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, 25 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-Bussmann_00570_1-12_DATA.pdf
- TS PIK:
- 21510606
- Current Rating:
- 25 A
- Number of Poles:
- 3
- Voltage Rating:
- 240 VAC
- Country of Origin:
- Dominican Republic
MSRP $733.92Surplus $175.80 -
Eaton QBHW3030H Miniature Circuit Breakers (MCBs)
MSRP $689.77Surplus $95.37Eaton QBHW3030H Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-3348 Brand: Eaton MPN: QBHW3030H UPC: 78667939330 Shipping Weight: 1.10 lbs. Shipping Height: 3.00 In. Shipping...- SKU:
- C15-3348
- Series:
- QBHW
- Type:
- Thermal Magnetic
- Approval:
- UL 489
- Approval:
- CSA
- Volts:
- 240 VAC
- Amps:
- 32 A
- Poles:
- 3
- 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, 30 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
- TS PIK:
- 21510607
- Current Rating:
- 30 A
- Voltage Rating:
- 240 VAC
- Number of Poles:
- 3
- Country of Origin:
- Dominican Republic
MSRP $689.77Surplus $95.37 -
Eaton QBHW3030HSF Miniature Circuit Breakers (MCBs) QBH 3P 30A 120/240V 50/60Hz 3Ph EA
MSRP $1,575.00Surplus $84.41SKU: C15-5045 Brand: Eaton MPN: QBHW3030HSF UPC: Shipping Weight: 0.60 lbs. Shipping Height: 5.00 In. Shipping Length: 4.00 In. Shipping Width: 4.00 In. Product...- SKU:
- C15-5045
- Series:
- Quicklag
- Volts:
- 120/240 V
- Amps:
- 30 A
- Poles:
- 3
- Frequency Rating:
- 50/60 Hz
- Number of Poles:
- 3
MSRP $1,575.00Surplus $84.41 -
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Eaton QBHW3040H Miniature Circuit Breakers (MCBs) EA
MSRP $932.12Surplus $302.01SKU: C15-11083 Brand: Eaton MPN: QBHW3040H UPC: 78667939340 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-11083
- TS PIK:
- 21510609
MSRP $932.12Surplus $302.01 -
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Eaton QBHW3040HS Miniature Circuit Breakers (MCBs) QBHW 3P 40A 240V 50/60Hz 3Ph
MSRP $1,129.00Surplus $443.86SKU: C15-3750 Brand: Eaton MPN: QBHW3040HS UPC: 786679743126 Shipping Weight: 1.40 lbs. Shipping Height: 3.00 In. Shipping Length: 5.00 In. Shipping Width: 3.00 In...- SKU:
- C15-3750
- TS PIK:
- 125134225
MSRP $1,129.00Surplus $443.86 -
Eaton QBHW3040HT Molded Case Breakers (MCCBs) EA
MSRP $1,013.00Surplus $195.47SKU: C15-9712 Brand: Eaton MPN: QBHW3040HT UPC: 78668538485 Shipping Weight: 1.05 lbs. Shipping Height: 4.00 In. Shipping Length: 3.00 In. Shipping Width: 4.00 In...- SKU:
- C15-9712
- TS PIK:
- 123565425
- Country of Origin:
- Dominican Republic
MSRP $1,013.00Surplus $195.47 -
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Eaton QBHW3050HS Miniature Circuit Breakers (MCBs) QBHW 3P 50A 240V 50/60Hz 3Ph
MSRP $1,129.00Surplus $467.60SKU: C15-3979 Brand: Eaton MPN: QBHW3050HS UPC: 786679743201 Shipping Weight: 1.40 lbs. Shipping Height: 7.50 In. Shipping Length: 5.00 In. Shipping Width: 12.50 In...- SKU:
- C15-3979
- Approval:
- UL 489
- Approval:
- CSA
- Amps:
- 50 A
- Interrupting Rating:
- 22000 Amp at 240 Volt AC
- 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
- Used On:
- 0
- Volts:
- 240 VAC
- Gauge:
- 14 to 4 AWG Copper/Aluminum (Standard Load)
- Short Description:
- 0
- Series:
- 0
MSRP $1,129.00Surplus $467.60 -
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Eaton QBHW3060 Miniature Circuit Breakers (MCBs) QBH 3P 60A 120/240V 50/60Hz 3Ph
MSRP $300.00Surplus $233.90Eaton QBHW3060 Miniature Circuit Breakers (MCBs) QBH 3P 60A 120/240V 50/60Hz 3Ph​ ARCA SKU: C15-5124 Brand: Eaton MPN: QBHW3060 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00...- SKU:
- C15-5124
MSRP $300.00Surplus $233.90 -
Eaton QBHW3060H Miniature Circuit Breakers (MCBs) 3P 60A 240V EA
MSRP $689.77Surplus $147.24SKU: C15-2809 Brand: Eaton MPN: QBHW3060H UPC: 78667939350 Shipping Weight: 1.10 lbs. Shipping Height: 3.00 In. Shipping Length: 4.00 In. Shipping Width: 4.00 In...- SKU:
- C15-2809
- Series:
- QBHW
- Type:
- Thermal Magnetic
- Approval:
- UL 489
- Approval:
- CSA
- Volts:
- 240 VAC
- Amps:
- 32 A
- Poles:
- 3
- Mounting:
- Bolt-On
- Interrupting Rating:
- 22 kA at 240 VAC
- Terminal Type:
- Extended Tang Line
- Terminal Type:
- Box Lug Load
- Wire Size:
- 8 to 1/0 AWG (Copper/Aluminum)
- Short Description:
- 240 VAC, 60 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
- TS PIK:
- 21510612
- Number of Poles:
- 3
- Current Rating:
- 60 A
- Voltage Rating:
- 240 VAC
- Country of Origin:
- Dominican Republic
MSRP $689.77Surplus $147.24 -
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Eaton QBHW3060HS Miniature Circuit Breakers (MCBs) QBHW 3P 60A 240V 50/60Hz 3Ph
MSRP $1,064.00Surplus $467.00SKU: C15-3908 Brand: Eaton MPN: QBHW3060HS UPC: 786679852828 Shipping Weight: 1.40 lbs. Shipping Height: 4.00 In. Shipping Length: 4.00 In. Shipping Width: 4.00 In...- SKU:
- C15-3908
- Approval:
- UL 489
- Approval:
- CSA
- Amps:
- 60 A
- Interrupting Rating:
- 22000 Amp at 240 Volt AC
- Mounting:
- Bolt-On
- Poles:
- 3
- Size:
- 3.7 Inch Width x 4 Inch Depth x 3.3 Inch Height
- Terminal Type:
- Steel Box Lug Standard Load
- Type:
- Thermal Magnetic
- Type:
- Non-Interchangeable Trip
- Type:
- Miniature
- Used On:
- 0
- Volts:
- 240 VAC
- Gauge:
- 8 to 1/0 AWG Copper/Aluminum (Standard Load)
- Short Description:
- 0
- Series:
- 0
MSRP $1,064.00Surplus $467.00 -
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Eaton QBHW3070HS Miniature Circuit Breakers (MCBs) QBHW 3P 70A 240V 50/60Hz 3Ph
MSRP $1,471.00Surplus $670.87SKU: C15-2632 Brand: Eaton MPN: QBHW3070HS UPC: 786679743300 Shipping Weight: 1.40 lbs. Shipping Height: 4.00 In. Shipping Length: 4.00 In. Shipping Width: 4.00 In...- SKU:
- C15-2632
- Approval:
- UL 489
- Approval:
- CSA
- Amps:
- 70 A
- Interrupting Rating:
- 22000 Amp at 240 Volt AC
- Mounting:
- Bolt-On
- Poles:
- 3
- Size:
- 0
- Terminal Type:
- Steel Box Lug Standard Load
- Type:
- Thermal Magnetic
- Type:
- Non-Interchangeable Trip
- Type:
- Miniature
- Used On:
- 0
- Volts:
- 240 VAC
- Gauge:
- 8 to 1/0 AWG Copper/Aluminum (Standard Load)
- Short Description:
- 0
- Series:
- 0
MSRP $1,471.00Surplus $670.87 -
Eaton QBHW3080H Miniature Circuit Breakers (MCBs)
MSRP $1,027.48Surplus $303.12SKU: C15-5003 Brand: Eaton MPN: QBHW3080H UPC: 78667939357 Shipping Weight: 1.15 lbs. Shipping Height: 3.00 In. Shipping Length: 3.00 In. Shipping Width: 3.00 In...- SKU:
- C15-5003
- Series:
- QBHW
- Type:
- Thermal Magnetic
- Approval:
- UL 489
- Approval:
- CSA
- Volts:
- 240 VAC
- Amps:
- 32 A
- Poles:
- 3
- Mounting:
- Bolt-On
- Interrupting Rating:
- 22000 A at 240 VAC
- Terminal Type:
- Extended Tang Line Terminal
- Terminal Type:
- Box Lug Load Terminal
- Wire Size:
- 8 to 1/0 AWG (Aluminum/Copper
- Wire Size:
- Load)
- Short Description:
- 240 VAC, 80 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
- TS PIK:
- 107002732
- Current Rating:
- 80 A
- Voltage Rating:
- 240 VAC
- Number of Poles:
- 3
MSRP $1,027.48Surplus $303.12 -
Eaton QBHW3090H Miniature Circuit Breakers (MCBs) QBHW 3P 90A 240V 50/60Hz 3Ph
MSRP $1,004.00Surplus $196.61SKU: C15-2714 Brand: Eaton MPN: QBHW3090H UPC: 786679393604 Shipping Weight: 1.10 lbs. Shipping Height: 4.00 In. Shipping Length: 4.00 In. Shipping Width: 3.00 In...- SKU:
- C15-2714
- Approval:
- UL 489
- Approval:
- CSA
- Amps:
- 90 A
- Interrupting Rating:
- 22000 A at 240 VAC
- Mounting:
- Bolt-On
- Poles:
- 3
- Size:
- 3.2 Inch Width x 3.9 Inch Depth x 4.8 Inch Height
- Terminal Type:
- Steel Box Lug Standard Load
- Type:
- Thermal Magnetic
- Type:
- Non-Interchangeable Trip
- Type:
- Miniature
- Volts:
- 240 VAC
- Gauge:
- 8 to 1/0 AWG Copper/Aluminum (Standard Load)
- Voltage Rating:
- 240 VAC
- Number of Poles:
- 3
- Catalog:
- Eaton_03771_V4T1_3-V4T1_46_CAT.pdf
- Wire Size:
- 8 to 1/0 AWG Copper/Aluminum (Standard Load)
- Current Rating:
- 90 A
- Short Description:
- QUICKLAG INDUSTRIAL THERMAL-MAGNETIC CIRCUIT BREAKER, THREE-POLE, 90A, 22 kAIC,
- Country of Origin:
- Dominican Republic
MSRP $1,004.00Surplus $196.61 -
Eaton QBHW3100H Miniature Circuit Breakers (MCBs) 3P 100A 240V EA
MSRP $996.58Surplus $279.89SKU: C15-4120 Brand: Eaton MPN: QBHW3100H UPC: 786679393659 Shipping Weight: 1.15 lbs. Shipping Height: 3.00 In. Shipping Length: 4.00 In. Shipping Width: 4.00 In...- SKU:
- C15-4120
- Series:
- QBHW
- Type:
- Thermal Magnetic
- Approval:
- UL 489
- Approval:
- CSA
- Size:
- 2.9 Inch Length x 2.9 Inch Width x 3 Inch Height
- Volts:
- 240 VAC
- Amps:
- 32 A
- Poles:
- 3
- Mounting:
- Bolt-On
- Interrupting Rating:
- 22 kA at 240 VAC
- Terminal Type:
- Extended Tang Line
- Terminal Type:
- Box Lug Load
- Wire Size:
- 8 to 1/0 AWG (Copper/Aluminum)
- Short Description:
- 240 VAC, 100 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
- TS PIK:
- 21510616
- Current Rating:
- 100 A
- Number of Poles:
- 3
- Voltage Rating:
- 240 VAC
- Country of Origin:
- Dominican Republic
MSRP $996.58Surplus $279.89 -
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Eaton QBHW3100H Miniature Circuit Breakers (MCBs) EA
MSRP $1,346.73Surplus $290.89SKU: C15-11084 Brand: Eaton MPN: QBHW3100H UPC: 78667939365 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-11084
- TS PIK:
- 21510616
MSRP $1,346.73Surplus $290.89 -
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Eaton QBHW3100HG Miniature Circuit Breakers (MCBs) QB 3P 100A 240V 400Hz 3Ph
MSRP $950.00Surplus $185.88Eaton QBHW3100HG Miniature Circuit Breakers (MCBs) QB 3P 100A 240V 400Hz 3Ph​ ARCA SKU: C15-4261 Brand: Eaton MPN: QBHW3100HG UPC: Shipping Weight: 1.15 Shipping Height: 4.00 In. Shipping...- SKU:
- C15-4261
- Series:
- Quicklag
- Volts:
- 240 V
- Amps:
- 100 A
- Poles:
- 3
- Frequency Rating:
- 400 Hz
MSRP $950.00Surplus $185.88 -
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Eaton QBHW3100HS Miniature Circuit Breakers (MCBs) QBHW 3P 100A 240V 50/60Hz 3Ph
MSRP $1,350.00Surplus $548.65SKU: C15-2779 Brand: Eaton MPN: QBHW3100HS UPC: 786679852835 Shipping Weight: 1.45 lbs. Shipping Height: 4.00 In. Shipping Length: 4.00 In. Shipping Width: 3.00 In...- SKU:
- C15-2779
- Series:
- Quicklag
- Volts:
- 240 V
- Amps:
- 100 A
- Poles:
- 3
- Frequency Rating:
- 50/60 Hz
- Short Description:
- EATON QUICKLAG INDUSTRIAL THERMAL-MAGNETIC CIRCUIT BREAKER, THREE-POLE, 120V, 20
MSRP $1,350.00Surplus $548.65 -
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Eaton QBHW3100HV Miniature Circuit Breakers (MCBs) QB 3P 100A 240V 50/60Hz 3Ph
MSRP $1,150.00Surplus $391.01Eaton QBHW3100HV Miniature Circuit Breakers (MCBs) QB 3P 100A 240V 50/60Hz 3Ph​ ARCA SKU: C15-4262 Brand: Eaton MPN: QBHW3100HV UPC: Shipping Weight: 1.10 lbs. Shipping Height: 4.00 In...- SKU:
- C15-4262
- Series:
- Quicklag
- Volts:
- 240 V
- Amps:
- 100 A
- Poles:
- 3
- Frequency Rating:
- 50/60 Hz
MSRP $1,150.00Surplus $391.01
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.