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 BR350 Miniature Circuit Breakers (MCBs)
MSRP $562.62Surplus $55.55SKU: C15-11092 Brand: Eaton MPN: BR350 UPC: 78667636790 Shipping Weight: 0.95 lbs. Shipping Height: 3.00 In. Shipping Length: 3.00 In. Shipping Width: 3.00 In...- SKU:
- C15-11092
- TS PIK:
- 21493898
- Series:
- BR
- Voltage Rating:
- 240 VAC
- Interrupting Rating:
- 10 kA
- Wire Size:
- 14 to 4 AWG (Copper/Aluminum)
- Catalog:
- Eaton_36620_V1T1_85_CAT.pdf
- Type:
- Thermal Magnetic, Common Trip
- Short Description:
- 240 VAC, 50 A, 10 kA, 3-Pole, Plug-On Mount, Common Trip, Duplex, Thermal Magnetic, Circuit Breaker
- Current Rating:
- 50 A
- Mounting:
- Plug-On
- Used On:
- BR Series Load Center
- Number of Poles:
- 3
- Approval:
- UL 489
- Country of Origin:
- Dominican Republic
MSRP $562.62Surplus $55.55 -
Eaton BAB3050H Miniature Circuit Breakers (MCBs) 3P 50A 240V EA
MSRP $462.43Surplus $113.00SKU: C15-1098 Brand: Eaton MPN: BAB3050H UPC: 786679303504 Shipping Weight: 0.95 lbs. Shipping Height: 3.00 In. Shipping Length: 4.00 In. Shipping Width: 4.00 In...- SKU:
- C15-1098
- Series:
- BAB
- Type:
- Thermal Magnetic
- Type:
- Interchangeable Trip
- Type:
- Miniature
- Approval:
- UL 489
- Approval:
- CSA
- Size:
- 3.2 Inch Width x 3.8 Inch Depth x 4.9 Inch Height
- Volts:
- 240 VAC
- Amps:
- 32 A
- Used On:
- Distribution Panel
- Poles:
- 3
- Mounting:
- Bolt-On
- Interrupting Rating:
- 10000 A at 240 VAC
- Terminal Type:
- Steel Box Lug Standard Load
- Wire Size:
- 14 to 4 AWG Copper/Aluminum (Standard Load)
- Short Description:
- 240 VAC, 50 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:
- 21508712
- Voltage Rating:
- 240 VAC
- Number of Poles:
- 3
- Current Rating:
- 50 A
- Country of Origin:
- Dominican Republic
MSRP $462.43Surplus $113.00 -
Eaton QC3050H Miniature Circuit Breakers (MCBs) QC 3P 50A 240V 50/60Hz 3Ph
MSRP $520.00Surplus $113.91Eaton QC3050H Miniature Circuit Breakers (MCBs) QC 3P 50A 240V 50/60Hz 3Ph​ ARCA SKU: C15-2855 Brand: Eaton MPN: QC3050H UPC: 786679240182 Shipping Weight: 1.10 Shipping Height: 4.00 In...- SKU:
- C15-2855
- Series:
- Type QC
- Type:
- Thermal Magnetic
- Approval:
- UL 489
- Approval:
- CSA
- Volts:
- 240 VAC
- Amps:
- 32 A
- Poles:
- 3
- Mounting:
- Cable-In
- Mounting:
- Cable Out
- Interrupting Rating:
- 10000 A
- Terminal Type:
- Box Lug
- Wire Size:
- 14 to 4 AWG (Aluminum/Copper
- Wire Size:
- Load)
- Short Description:
- 240 VAC, 50 A, 10 kA, 3-Pole, Aluminum Box Lug Line/Steel Box Lug Load Terminal, Cable-In/Out Mount, Thermal Magnetic, Miniature
- Catalog:
- Eaton_03771_V4T1_19_V4T1_20_V4T1_46_CAT.pdf
- Voltage Rating:
- 240 VAC
- Current Rating:
- 50 A
- Number of Poles:
- 3
- Country of Origin:
- Dominican Republic
MSRP $520.00Surplus $113.91 -
Eaton QBHW3050H Miniature Circuit Breakers (MCBs) QBHW 3P 50A 240V 50/60Hz 3Ph EA
MSRP $689.77Surplus $117.14Eaton QBHW3050H Miniature Circuit Breakers (MCBs) QBHW 3P 50A 240V 50/60Hz 3Ph EA​ ARCA SKU: C15-3464 Brand: Eaton MPN: QBHW3050H UPC: 786679393451 Shipping Weight: 1.10 lbs. Shipping...- SKU:
- C15-3464
- 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, 50 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:
- 21510611
- Current Rating:
- 50 A
- Number of Poles:
- 3
- Voltage Rating:
- 240 VAC
- Country of Origin:
- Dominican Republic
MSRP $689.77Surplus $117.14 -
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Eaton CHB250 Miniature Circuit Breakers (MCBs) CHB 2P 50A 240V 50/60Hz 1Ph EA
MSRP $417.00Surplus $190.40Eaton CHB250 Miniature Circuit Breakers (MCBs) CHB 2P 50A 240V 50/60Hz 1Ph EA​ ARCA SKU: C15-1518 Brand: Eaton MPN: CHB250 UPC: 782113112503 Shipping Weight: 0.55 Shipping Height: 2.00 In...- SKU:
- C15-1518
- Series:
- CHB
- Type:
- Main
- Volts:
- 240 VAC
- Amps:
- 32 A
- Used On:
- PB Series Panel board
- Poles:
- 2
- Mounting:
- Bolt-On
- Short Description:
- 240 VAC, 50 A, 10 kA, 2-Pole, Bolt-On Mount, Molded Case
- Data Sheet:
- SchneiderElectric-SquareD_15300_1_2_DATA.pdf
- Installation/Operator:
- SchneiderElectric-SquareD_00344_INST.pdf
- CAD Drawing:
- SchneiderElectric-SquareD_17868_1_CAD.pdf
- Voltage Rating:
- 240 VAC
- Current Rating:
- 50 A
- Number of Poles:
- 2
MSRP $417.00Surplus $190.40 -
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
- Approval:
- UL 489, CSA
MSRP $341.00Surplus $117.20 -
Eaton BAB3050HS Miniature Circuit Breakers (MCBs) BA 3P 50A 120/240V 50/60Hz 3Ph
MSRP $735.00Surplus $371.77SKU: C15-1099 Brand: Eaton MPN: BAB3050HS UPC: 786679509678 Shipping Weight: 1.30 lbs. Shipping Height: 3.50 In. Shipping Length: 3.60 In. Shipping Width: 4.00 In...- SKU:
- C15-1099
- TS PIK:
- 107004137
- Current Rating:
- 50 A
- Type:
- Thermal Magnetic
- Number of Poles:
- 3
- Series:
- BAB
- Terminal Type:
- Extended Tang Line Terminal, Box Lug Load Terminal
- Catalog:
- Eaton_03771_V4T1_11_V4T1_12_V4T1_45_CAT.pdf
- Mounting:
- Bolt-On
- Short Description:
- 240 VAC, 50 A, 10 kA, 3-Pole, Extended Tang Line/Box Lug Load Terminal, Bolt-On Mount, Shunt Trip, Thermal Magnetic, Miniature, Circuit Breaker
- Interrupting Rating:
- 10000 A at 240 VAC
- Wire Size:
- 14 to 4 AWG Aluminum/Copper (Load)
- Voltage Rating:
- 240 VAC
- Country of Origin:
- Dominican Republic
- Approval:
- UL 489, CSA
MSRP $735.00Surplus $371.77 -
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Eaton BR250H Miniature Circuit Breakers (MCBs) EA
MSRP $215.00Surplus $21.33Eaton BR250H Miniature Circuit Breakers (MCBs) EA​ ARCA SKU: C15-9658 Brand: Eaton MPN: BR250H UPC: 78667637450 Shipping Weight: 0.75 lbs. Shipping Height: 3.00 In. Shipping...- SKU:
- C15-9658
- TS PIK:
- 115321644
- Number of Poles:
- 2
- Catalog:
- Eaton_36620_V1T1_90_CAT.pdf
- Wire Size:
- 14 to 4 AWG (Aluminum/Copper)
- Used On:
- BR Series Loadcenter
- Series:
- BR
- Type:
- Thermal Magnetic, Common Trip
- Current Rating:
- 50 A
- Mounting:
- Plug-On
- Voltage Rating:
- 240 VAC
- Interrupting Rating:
- 10 kA
- Short Description:
- 240 VAC, 50 A, 10 kA, 2-Pole, Plug-On Mount, Common Trip, Duplex, Thermal Magnetic, Circuit Breaker
MSRP $215.00Surplus $21.33 -
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Eaton CH350 Miniature Circuit Breakers (MCBs) CH 3P 50A 240V 50/60Hz 3Ph EA
MSRP $376.54Surplus $148.96Eaton CH350 Miniature Circuit Breakers (MCBs) CH 3P 50A 240V 50/60Hz 3Ph EA​ ARCA SKU: C15-3851 Brand: Eaton MPN: CH350 UPC: 78211310209 Shipping Weight: 0.90 lbs. Shipping Height: 4...- SKU:
- C15-3851
- Approval:
- UL 489
- Approval:
- CSA
- Amps:
- 50 A
- Interrupting Rating:
- 10 kA
- Mounting:
- Plug-On
- Poles:
- 3
- Terminal Type:
- Thermal Magnetic
- Type:
- Common Trip
- Used On:
- CH Series Load Center
- Volts:
- 240 VAC
- Gauge:
- 10 to 1/0 AWG (Copper/Aluminum)
- Short Description:
- 240 VAC, 50 A, 10 kA, 3-Pole, Plug-On Mount, Common Trip, Thermal Magnetic, Circuit Breaker
- Series:
- CH
- TS PIK:
- 531278
- Number of Poles:
- 3
- Wire Size:
- 10 to 1/0 AWG (Copper/Aluminum)
- Voltage Rating:
- 240 VAC
- Catalog:
- Eaton_36620_V1T1_36_V1T1_37_CAT.pdf
- Current Rating:
- 50 A
- Country of Origin:
- Dominican Republic
MSRP $376.54Surplus $148.96 -
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Eaton CH350ST Miniature Circuit Breakers (MCBs)
MSRP $699.00Surplus $188.73SKU: C15-19159 Brand: Eaton MPN: CH350ST UPC: 78211332213 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-19159
- Interrupting Rating:
- 10000 A at 240 VAC
- Approval:
- UL 489, CSA
- Short Description:
- 240 VAC, 50 A, 10 kA, 3-Pole, Plug-On Mount, Common Trip, Shunt Trip, Thermal Magnetic, Circuit Breaker
- Type:
- Common Trip, Thermal Magnetic, Shunt Trip
- Catalog:
- Eaton_36620_V1T1_36_V1T1_37_V1T1_43_CAT.pdf
- Number of Poles:
- 3
- Used On:
- Loadcenter
- Wire Size:
- 10 to 1/0 AWG (Copper/Aluminum)
- Mounting:
- Plug-On
- Voltage Rating:
- 240 VAC
- Current Rating:
- 50 A
- Series:
- CH
MSRP $699.00Surplus $188.73 -
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Eaton CHP350 Miniature Circuit Breakers (MCBs)
MSRP $989.00Surplus $267.03SKU: C15-19386 Brand: Eaton MPN: CHP350 UPC: 78211392390 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-19386
- Number of Poles:
- 3
- Interrupting Rating:
- 10 kA at 240 VAC
- Short Description:
- 240 VAC, 50 A, 3-Pole, 10 kA, Thermal Magnetic, Circuit Breaker
- Wire Size:
- 10 to 1/0 AWG (Copper/Aluminum)
- Current Rating:
- 50 A
- Voltage Rating:
- 240 VAC
- Series:
- CHP
- Mounting:
- Plug-On
- Catalog:
- Eaton_00001_V1T1_41_CAT.pdf
- Type:
- Thermal Magnetic
- Terminal Type:
- Line Lug
- Used On:
- CH Series Loadcenter
- Approval:
- UL 489
MSRP $989.00Surplus $267.03 -
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Eaton ED3050 Molded Case Breakers (MCCBs) ED 3P 50A 240V 50/60Hz 3Ph F Frame
MSRP $1,242.00Surplus $525.66SKU: C15-2641 Brand: Eaton MPN: ED3050 UPC: 782116349036 Shipping Weight: 4.50 lbs. Shipping Height: 6.00 In. Shipping Length: 6.00 In. Shipping Width: 5.00 In...- SKU:
- C15-2641
- Approval:
- UL 489
- Approval:
- CSA C22.2
- Amps:
- 50 A
- Frame:
- FD
- Interrupting Rating:
- 65 kA at 240 VAC
- Interrupting Rating:
- 10 Kiloamp at 125 Volt DC (UL)
- Interrupting Rating:
- 65 Kiloamp at 220/240 Volt AC
- Interrupting Rating:
- 10 Kiloamp at 125 Volt DC (IEC)
- Maximum AC Voltage:
- 240 V
- Maximum DC Voltage:
- 125 V
- Poles:
- 3
- Size:
- 4.13 Inch Width x 3.38 Inch Depth x 6 Inch Height
- Terminal Type:
- Load
- Type:
- Fixed Thermal Magnetic
- Type:
- Molded Case
- Volts:
- 240 VAC 50/60 Hertz
- Volts:
- 125 VDC
- TS PIK:
- 120758519
- Frame Type:
- FD
- Voltage Rating:
- 240 VAC
- Current Rating:
- 50 A
- Short Description:
- EATON SERIES C COMPLETE MOLDED CASE CIRCUIT BREAkER, F-FRAME, ED, COMPLETE BREAk
- Installation/Operator:
- Eaton_00091_INST.pdf
- Catalog:
- EatonCorp-CutlerHammer_00123_V4T2_254-V4T2_290_CAT.pdf
- Maximum AC Voltage Rating:
- 240 V
- Maximum DC Voltage Rating:
- 125 V
- Data Sheet:
- Eaton_07831_1-12_DATA.pdf
- Number of Poles:
- 3
MSRP $1,242.00Surplus $525.66 -
Eaton QBHW2050H Miniature Circuit Breakers (MCBs)
MSRP $534.15Surplus $138.31SKU: C15-1650 Brand: Eaton MPN: QBHW2050H UPC: 786679152560 Shipping Weight: 0.70 lbs. Shipping Height: 4.00 In. Shipping Length: 3.00 In. Shipping Width: 4.00 In...- SKU:
- C15-1650
- 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, 50 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
- TS PIK:
- 21505487
- Voltage Rating:
- 240 VAC
- Current Rating:
- 50 A
- Number of Poles:
- 2
- Country of Origin:
- Dominican Republic
MSRP $534.15Surplus $138.31 -
Eaton QC3050HT Miniature Circuit Breakers (MCBs) EA
MSRP $692.48Surplus $139.70SKU: C15-5263 Brand: Eaton MPN: QC3050HT UPC: 78667982706 Shipping Weight: 1.00 lbs. Shipping Height: 3.00 In. Shipping Length: 4.00 In. Shipping Width: 3.00 In...- SKU:
- C15-5263
- Type:
- Thermal Magnetic
- Approval:
- UL
- Approval:
- CSA
- Size:
- 3.8 Inch Length x 3.2 Inch Width x 4.9 Inch Height
- Volts:
- 240 VAC
- Amps:
- 32 A
- Poles:
- 3
- Mounting:
- Front
- Interrupting Rating:
- 10 kA
- Terminal Type:
- Ring/Spade Lug
- Short Description:
- 240 VAC, 50 A, 3-Pole, 10 kA, Ring/Spade Lug Terminal, Cable-In/Cable-Out, Thermal Magnetic
- Catalog:
- Eaton_03771_V4T1_19_V4T1_20_CAT.pdf
- Voltage Rating:
- 240 VAC
- Current Rating:
- 50 A
- Number of Poles:
- 3
- TS PIK:
- 21516567
- Country of Origin:
- Dominican Republic
MSRP $692.48Surplus $139.70 -
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Eaton QPHW3050H Miniature Circuit Breakers (MCBs)
MSRP $710.00Surplus $172.53SKU: C15-19826 Brand: Eaton MPN: QPHW3050H UPC: 78667938731 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-19826
- Number of Poles:
- 3
- Type:
- Thermal Magnetic, Non-Interchangeable Trip
- Short Description:
- EATON QUICKLAG TYPE QPH INDUSTRIAL THERMAL-MAGNETIC CIRCUIT BREAKER,INDUSTRIAL C
- Interrupting Rating:
- 22000 A at 240 VAC
- Voltage Rating:
- 240 VAC
- Approval:
- UL 489, CSA
- Mounting:
- Plug-On Female Clip Line
- Current Rating:
- 50 A
- Size:
- 3.2 Inch Width x 3.8 Inch Depth x 4.9 Inch Height
- Terminal Type:
- Steel Box Lug Standard Load
- Wire Size:
- 14 to 4 AWG Copper/Aluminum (Standard Load)
- Catalog:
- Eaton_03771_V4T1_2_V4T1_5_V4T1_6_V4T1_46_CAT.pdf
MSRP $710.00Surplus $172.53
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.
