
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 BRHH2125 Miniature Circuit Breakers (MCBs) 2P 125A 240V EA
MSRP $1,651.37Surplus $148.20Eaton BRHH2125 Miniature Circuit Breakers (MCBs) 2P 125A 240V EA​ ARCA SKU: C15-1323 Brand: Eaton MPN: BRHH2125 UPC: 786676377003 Shipping Weight: 0.75 lbs. Shipping Height: 2.00 In...- SKU:
- C15-1323
- Approval:
- UL 489
- Amps:
- 125 A
- Interrupting Rating:
- 42 kA
- Mounting:
- Plug-On
- Poles:
- 2
- Terminal Type:
- Thermal Magnetic
- Type:
- Common Trip
- Used On:
- BR Series Loadcenter
- Volts:
- 120/240 VAC
- Gauge:
- 4 to 2/0 AWG (Aluminum/Copper)
- Short Description:
- 120/240 VAC, 125 A, 42 kA, 2-Pole, Plug-On Mount, Common Trip, Duplex, Thermal Magnetic, Circuit Breaker
- Series:
- BR
- TS PIK:
- 21494076
- Voltage Rating:
- 120/240 VAC
- Catalog:
- Eaton_00001_V1T1_83_V1T1_84_CAT.pdf
- Wire Size:
- 4 to 2/0 AWG (Copper/Aluminum)
- Number of Poles:
- 2
- Current Rating:
- 125 A
- Country of Origin:
- Dominican Republic
MSRP $1,651.37Surplus $148.20 -
Siemens Q2125 Miniature Circuit Breakers (MCBs) 2P 125A
MSRP $557.00Surplus $55.00Siemens Q2125 Miniature Circuit Breakers (MCBs) 2P 125A​ ARCA SKU: C15-6098 Brand: Siemens MPN: Q2125 UPC: 66286200404 Shipping Weight: 2.70 lbs. Shipping Height: 4.00 In. Shipping...- SKU:
- C15-6098
- TS PIK:
- 115277069
- Catalog:
- SiemensAG_01829_2_9_CAT.pdf
- Voltage Rating:
- 120/240 VAC
- Short Description:
- 120/240 VAC, 125 A, 10 kA Interrupt, 2-Pole, Plug-In Mount, QP/MP-Frame, Common Trip, Thermal Magnetic, Miniature, Circuit Breaker
- Country of Origin:
- Mexico
- Type:
- Common Trip, Thermal Magnetic, Miniature
- Size:
- 2 Inch Width x 3 Inch Depth x 3 Inch Height
- Mounting:
- Plug-On
- Number of Poles:
- 2
- Interrupting Rating:
- 10 kA
- Current Rating:
- 125 A
- Used On:
- Load Center
- Installation/Operator:
- SiemensAG_00053_INST.pdf
- Data Sheet:
- SiemensAG_00870_1_2_DATA.pdf
- Approval:
- UL 489, CSA
MSRP $557.00Surplus $55.00 -
Eaton BR2125 Miniature Circuit Breakers (MCBs) BR 2P 125A 240V 50/60Hz 1Ph EA
MSRP $515.43Surplus $97.50Eaton BR2125 Miniature Circuit Breakers (MCBs) BR 2P 125A 240V 50/60Hz 1Ph EA​ ARCA SKU: C15-1219 Brand: Eaton MPN: BR2125 UPC: 786676367059 Shipping Weight: 0.75 lbs. Shipping...- SKU:
- C15-1219
- Series:
- BR
- Type:
- Thermal Magnetic
- Type:
- Common Trip
- Approval:
- UL 489
- Volts:
- 120/240 VAC
- Amps:
- 32 A
- Used On:
- BR Series Load Center
- Poles:
- 2
- Mounting:
- Plug-On
- Interrupting Rating:
- 10 kA
- Wire Size:
- 4 to 2/0 AWG (Copper/Aluminum)
- Short Description:
- 120/240 VAC, 125 A, 10 kA, 2-Pole, Plug-On Mount, Common Trip, Duplex, Thermal Magnetic
- Catalog:
- Eaton_36620_V1T1_56_V1T1_84_CAT.pdf
- TS PIK:
- 21493879
- Number of Poles:
- 2
- Current Rating:
- 125 A
- Voltage Rating:
- 120/240 VAC
- Country of Origin:
- Dominican Republic
MSRP $515.43Surplus $97.50 -
Eaton BRHX2125 Miniature Circuit Breakers (MCBs) BR 2P 125A 240V 50/60Hz 1Ph EA
MSRP $1,095.00Surplus $99.96SKU: C15-3959 Brand: Eaton MPN: BRHX2125 UPC: 786689041670 Shipping Weight: 0.90 lbs. Shipping Height: 3.00 In. Shipping Length: 3.10 In. Shipping Width: 2.20 In...- SKU:
- C15-3959
- Amps:
- 125 A
- Interrupting Rating:
- 22 kA
- Mounting:
- Plug-On
- Poles:
- 2
- Size:
- 2.2 Inch Width x 3.1 Inch Depth x 3 Inch Height
- Terminal Type:
- Thermal Magnetic
- Type:
- Non-Interchangeable Trip
- Used On:
- BR Load Center
- Volts:
- 120/240 V
- Gauge:
- 4 to 2/0 AWG Copper/Aluminum at 60 Deg C
- Specification/Technical:
- Eaton_00467_1_SPEC.pdf
- Current Rating:
- 125 A
- Catalog:
- Eaton_00071_V1T1_83_V1T1_84_CAT.pdf
- Voltage Rating:
- 120/240 VAC
- Number of Poles:
- 2
- Wire Size:
- 4 to 2/0 AWG Copper/Aluminum at 60 Deg C
- Short Description:
- EATON BR THERMAL MAGNETIC CIRCUIT BREAkER,QUICkLAG TYPE BRHX CIRCUIT BREAkER,125
- Country of Origin:
- Dominican Republic
MSRP $1,095.00Surplus $99.96 -
Eaton BRX2125 Miniature Circuit Breakers (MCBs) BR 2P 125A 240V 50/60Hz 1Ph
MSRP $2,550.00Surplus $106.29SKU: C15-1359 Brand: Eaton MPN: BRX2125 UPC: 786685926827 Shipping Weight: 0.50 lbs. Shipping Height: 3.00 In. Shipping Length: 3.00 In. Shipping Width: 2.00 In...- SKU:
- C15-1359
- Approval:
- UL E7819
- Amps:
- 125 A
- Interrupting Rating:
- 65 kA
- Mounting:
- Plug-On
- Poles:
- 2
- Size:
- 2 Inch Width x 3 Inch Depth x 3 Inch Height
- Terminal Type:
- Thermal Magnetic
- Type:
- Common Trip
- Used On:
- BR Load Center
- Volts:
- 120/240 VAC 50/60 Hertz
- Gauge:
- 4 to 2/0 AWG Copper/Aluminum at 60/75 Deg C
- Catalog:
- Eaton_00071_V1T1_83_V1T1_84_CAT.pdf
- Wire Size:
- 4 to 2/0 AWG Copper/Aluminum at 60/75 Deg C
- Current Rating:
- 125 A
- Number of Poles:
- 2
- Voltage Rating:
- 120/240 VAC
- Short Description:
- EATON BR THERMAL MAGNETIC CIRCUIT BREAkER, THERMAL-MAGNETIC CIRCUIT BREAkER,125
- Series:
- BR
- Country of Origin:
- Dominican Republic
MSRP $2,550.00Surplus $106.29 -
Eaton CH2125 Miniature Circuit Breakers (MCBs) CH 2P 125A 120V 50/60Hz 1Ph EA
MSRP $630.30Surplus $146.25SKU: C15-1396 Brand: Eaton MPN: CH2125 UPC: 782113298788 Shipping Weight: 0.60 lbs. Shipping Height: 4.00 In. Shipping Length: 4.00 In. Shipping Width: 2.00 In...- SKU:
- C15-1396
- Series:
- CH
- Type:
- Main
- Approval:
- UL 489
- Approval:
- CSA
- Volts:
- 120/240 VAC
- Amps:
- 32 A
- Used On:
- CH Series Load Center
- Poles:
- 2
- Mounting:
- Plug-On
- Interrupting Rating:
- 10 kA
- Wire Size:
- 10 to 1/0 AWG (Copper/Aluminum)
- Short Description:
- 120/240 VAC, 125 A, 10 kA, 2-Pole, Plug-On Mount, Common Trip, Thermal Magnetic
- Catalog:
- Eaton_00071_V1T1_36_V1T1_37_CAT.pdf
- TS PIK:
- 534871
- Current Rating:
- 125 A
- Number of Poles:
- 2
- Voltage Rating:
- 120/240 VAC
- Country of Origin:
- Dominican Republic
MSRP $630.30Surplus $146.25 -
Square D HOM2125 Miniature Circuit Breakers (MCBs) EA
MSRP $369.00Surplus $159.60Square D HOM2125 Miniature Circuit Breakers (MCBs) EA​ ARCA SKU: C15-8948 Brand: Square D MPN: HOM2125 UPC: 785901065791 Shipping Weight: 0.85 lbs. Shipping Height: 4.00 In...- SKU:
- C15-8948
- Type:
- Standard, Common Trip
- Terminal Type:
- Box Lug
- Voltage Rating:
- 120/240 VAC
- Mounting:
- Plug-On
- Current Rating:
- 125 A
- Number of Poles:
- 1
- Interrupting Rating:
- 10 kA
- Used On:
- Load Center
- Wire Size:
- 4 to 2/0 AWG (Aluminum/Copper)
- Size:
- 1 Inch Width x 2.98 Inch Depth x 3.13 Inch Height
- Short Description:
- 120/240 VAC, 125 A, 10 kA Interrupt, 2-Pole, 4 to 2/0 AWG Aluminum/Copper, Plug-In Mount, Box Lug Terminal, Standard
- Catalog:
- SchneiderElectric_00257_1_19_1_37_1_39_CAT.pdf
- Data Sheet:
- SchneiderElectric-SquareD_13438_1_2_DATA.pdf
- Installation/Operator:
- SchneiderElectric-SquareD_00099_INST.pdf
- Country of Origin:
- Mexico
- Approval:
- UL
MSRP $369.00Surplus $159.60 -
Eaton BJ2125 Molded Case Breakers (MCCBs) BJ 2P 125A 240V 50/60Hz 2Ph
MSRP $680.00Surplus $490.00SKU: C15-1131 Brand: Eaton MPN: BJ2125 UPC: 786676367004 Shipping Weight: 1.80 lbs. Shipping Height: 3.00 In. Shipping Length: 7.00 In. Shipping Width: 4.00 In...- SKU:
- C15-1131
- Type:
- BJ
- Voltage Rating:
- 120/240 VAC
- Mounting:
- Plug-On
- Current Rating:
- 125 A
- Number of Poles:
- 2
- Wire Size:
- 2 AWG to 300 KCMIL (Aluminum/Copper)
- Short Description:
- 120/240 VAC, 125 A, 10 kA, 2-Pole, Plug-On Mount, Common Trip, Thermal Magnetic, Main
- Catalog:
- Eaton_36620_V1T1_83_V1T1_90_V1T1_91_CAT.pdf
- Specification/Technical:
- Eaton_37532_1_2_SPEC.pdf
- Interrupting Rating:
- 10 kA
- Series:
- BJ
- Used On:
- BR Series Loadcenter
- Approval:
- UL 489
- Country of Origin:
- Dominican Republic
MSRP $680.00Surplus $490.00 -
Eaton BRH2125 Miniature Circuit Breakers (MCBs) EA
MSRP $1,086.05Surplus $136.50SKU: C15-1304 Brand: Eaton MPN: BRH2125 UPC: 78667637395 Shipping Weight: 0.60 lbs. Shipping Height: 3.00 In. Shipping Length: 3.00 In. Shipping Width: 3.00 In...- SKU:
- C15-1304
- Series:
- BRH
- Type:
- Thermal Magnetic
- Type:
- Common/Independent Trip
- Volts:
- 120/240 VAC
- Amps:
- 32 A
- Used On:
- BR Series Load Center
- Poles:
- 2
- Mounting:
- Plug-On
- Interrupting Rating:
- 22 kA
- Wire Size:
- 4 to 2/0 AWG (Copper/Aluminum)
- Short Description:
- 120/240 VAC, 125 A, 22 kA, 2-Pole, Plug-On Mount, Common Trip
- Catalog:
- Eaton_36620_V1T1_56_V1T1_84_CAT.pdf
- TS PIK:
- 21494037
- Number of Poles:
- 2
- Current Rating:
- 125 A
- Voltage Rating:
- 120/240 VAC
- Country of Origin:
- Dominican Republic
MSRP $1,086.05Surplus $136.50 -
Eaton BW2125 Main Breakers
MSRP $636.00Surplus $130.65SKU: C15-3006 Brand: Eaton MPN: BW2125 UPC: 786676460361 Shipping Weight: 2.55 lbs. Shipping Height: 5.00 In. Shipping Length: 6.00 In. Shipping Width: 6.00 In...- SKU:
- C15-3006
- Series:
- BW
- Type:
- Main
- Volts:
- 120/240 VAC
- Amps:
- 32 A
- Used On:
- BR Series Load Center
- Poles:
- 2
- Mounting:
- Plug-On
- Interrupting Rating:
- 10 kA
- Wire Size:
- 2 AWG to 300 KCMIL (Copper/Aluminum)
- Current Rating:
- 125 A
- Number of Poles:
- 2
- Voltage Rating:
- 120/240 VAC
- Short Description:
- 120/240 VAC, 125 A, 10 kA, 2-Pole, Plug-On Mount, Main, Circuit Breaker
- Catalog:
- Eaton_36620_V1T4_37_V1T4_38_V1T4_56_V1T4_60_CAT.pdf
- TS PIK:
- 109640220
- Country of Origin:
- United States
MSRP $636.00Surplus $130.65 -
Eaton CHH2125H2X Molded Case Breakers (MCCBs) CHH 2P 125A 240V 50/60Hz 2Ph
MSRP $2,650.00Surplus $525.72Eaton CHH2125H2X Molded Case Breakers (MCCBs) CHH 2P 125A 240V 50/60Hz 2Ph​ ARCA SKU: C15-4087 Brand: Eaton MPN: CHH2125H2X UPC: 782113032023 Shipping Weight: 4.25 Shipping Height: 6.00 In...- SKU:
- C15-4087
- Series:
- CHH
- Volts:
- 120/240 VAC
- Amps:
- 32 A
- Used On:
- 1MP/1MM/3MM Series 200 A Modular Meter Stack
- Poles:
- 2
- Mounting:
- Bolt-On
- Interrupting Rating:
- 25 kA
- Short Description:
- 120/240 VAC, 125 A, 25 kA, 2-Pole, Bolt-On Mount, Main Tenant
- Catalog:
- Eaton_00062_14_CAT.pdf
- Installation/Operator:
- Eaton_00008_INST.pdf
- Manufacturer Warranty:
- Eaton_00009_WARR.pdf
- Current Rating:
- 125 A
- Voltage Rating:
- 120/240 VAC
- Number of Poles:
- 2
- Country of Origin:
- Dominican Republic
MSRP $2,650.00Surplus $525.72 -
Eaton CSH2125N Main Breakers
MSRP $1,508.00Surplus $189.24SKU: C15-3268 Brand: Eaton MPN: CSH2125N UPC: 786685229126 Shipping Weight: 2.80 lbs. Shipping Height: 6.00 In. Shipping Length: 7.00 In. Shipping Width: 6.00 In...- SKU:
- C15-3268
- Series:
- CSH
- Type:
- Main
- Approval:
- UL 489
- Volts:
- 120/240 VAC
- Amps:
- 32 A
- Used On:
- ECB Unit Enclosure
- Poles:
- 2
- Interrupting Rating:
- 35 kA
- Installation:
- Bottom/Top
- Voltage Rating:
- 120/240 VAC
- Current Rating:
- 125 A
- Short Description:
- 120/240 VAC 60 Hz, 125 A, 35 kA, 2 AWG to 300 KCMIL, 2-Pole, Main, Circuit Breaker
- Number of Poles:
- 2
- Catalog:
- Eaton_36620_V1T1_11_V1T1_12_V1T4_38_CAT.pdf
- TS PIK:
- 120758350
MSRP $1,508.00Surplus $189.24 -
GE TQD32125 Molded Case Breakers (MCCBs) TQD 3P 125A 240V 50/60Hz 3Ph
MSRP $1,234.00Surplus $94.08SKU: C15-3071 Brand: GE MPN: TQD32125 UPC: 783164021288 Shipping Weight: 3.00 lbs. Shipping Height: 3.00 In. Shipping Length: 7.00 In. Shipping Width: 5.00 In...- SKU:
- C15-3071
- Type:
- Thermal Magnetic
- Approval:
- UL
- Volts:
- 120/240 VAC
- Amps:
- 32 A
- Poles:
- 3
- Interrupting Rating:
- 10 kA at 120/240 VAC
- Terminal Type:
- Copper/Aluminum Line and Load Lug
- Frame Type:
- Q-Line
- Maximum AC Voltage Rating:
- 240 V
- Short Description:
- 240 V, 125 A, 10 kA, 3-Pole, TQD Frame, Tenant Main
- Voltage Rating:
- 120/240 VAC
- Number of Poles:
- 3
- Current Rating:
- 125 A
- Country of Origin:
- USA
MSRP $1,234.00Surplus $94.08 -
Siemens B2125H Miniature Circuit Breakers (MCBs)
MSRP $2,129.00Surplus $156.00SKU: C15-7395 Brand: Siemens MPN: B2125H UPC: 78364354124 Shipping Weight: 0.90 lbs. Shipping Height: 2.00 In. Shipping Length: 4.00 In. Shipping Width: 3.00 In...- SKU:
- C15-7395
- TS PIK:
- 106248788
- Used On:
- Panelboard
- Catalog:
- SiemensAG_01796_7_29-7_35_CAT.pdf
- Data Sheet:
- SiemensAG_09756_1_2_DATA.pdf
- Current Rating:
- 125 A
- Installation/Operator:
- SiemensAG_00053_INST.pdf
- Interrupting Rating:
- 22 kA
- Type:
- Main, Branch
- Voltage Rating:
- 120/240 VAC
- Number of Poles:
- 2
- Country of Origin:
- Mexico
- Application:
- Electrical Distribution
- Short Description:
- BREAKER 125A 2P 120/240V 22K BLH
- Approval:
- UL 489
- Installation:
- Bolt-On
MSRP $2,129.00Surplus $156.00 -
Siemens BQ2B125 Miniature Circuit Breakers (MCBs)
MSRP $1,053.00Surplus $126.75SKU: C15-8751 Brand: Siemens MPN: BQ2B125 UPC: 78364316124 Shipping Weight: 0.70 lbs. Shipping Height: 2.00 In. Shipping Length: 4.00 In. Shipping Width: 3.00 In...- SKU:
- C15-8751
- TS PIK:
- 115495142
- Data Sheet:
- SiemensAG_05386_1_DATA.pdf
- Voltage Rating:
- 120/240 VAC
- Size:
- 3 Inch W x 4 Inch D x 2 Inch H
- Current Rating:
- 125 A
- Number of Poles:
- 2
- Mounting:
- Bolt-On
- Terminal Type:
- Load Lug
- Type:
- Molded Case
- Interrupting Rating:
- 10 kA at 120/240 VAC
- Catalog:
- SiemensAG_01698_17_1_17_7_CAT.pdf
- Short Description:
- 120/240 VAC, 125 A, 10 kA, 2-Pole, Load Lug Terminal, BQ Frame, Bolt-On, Common Trip, Molded Case Circuit Breaker
- Country of Origin:
- Mexico
- Approval:
- UL 489
MSRP $1,053.00Surplus $126.75
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.