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 & Kits
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- Qty in Cart
- Price
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Eaton 1KES125T Rating Plug Fixed 125A K Frame EA
MSRP $245.00Surplus $104.60Eaton 1KES125T Rating Plug Fixed 125A K Frame EA​ ARCA SKU: A13-1076 Brand: Eaton MPN: 1KES125T UPC: 786679268728 Shipping Weight: 0.04 lbs. Shipping Height: 1.40 In. Shipping...- SKU:
- A13-1076
- Adjustable Instantaneous Trip Range:
- 0
- Approval:
- UL
- Frame:
- K
- Frame:
- J-K
- Amps:
- 125 A
- Type:
- Fixed
- Type:
- RMS 310 Digitrip
- Short Description:
- 0
- Series:
- 0
- Specification/Technical:
- Eaton_04126_1_2_SPEC.pdf
- TS PIK:
- 107000532
MSRP $245.00Surplus $104.60 -
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Eaton 2A11799G52 Trip Units 11ARM 4000A 600V 50/60Hz
MSRP $16,500.00Surplus $7,751.21SKU: A13-1199 Brand: Eaton MPN: 2A11799G52 UPC: 782116053414 Shipping Weight: 1.15 lbs. Shipping Height: 4.00 In. Shipping Length: 7.00 In. Shipping Width: 4.00 In...- SKU:
- A13-1199
- Accessory Type:
- General Accessories
- Accessories:
- 0
- Type:
- Digitrip Unit Kit
- Used On:
- DS
- Used On:
- SB
- Used On:
- IEC Series Low Voltage Power Circuit Breaker
- Short Description:
- Digitrip Unit Kit with Arcflash Reduction Maintenance System for Low Voltage Power Circuit Breaker
- Series:
- 0
- Specification/Technical:
- Eaton_51278_1_SPEC.pdf
- Data Sheet:
- Eaton_14664_23_DATA.pdf
MSRP $16,500.00Surplus $7,751.21 -
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Eaton 8MC800 Rating Plug 800A
MSRP $65.00Surplus $29.25Eaton 8MC800 Rating Plug 800A​ ARCA SKU: A13-1202 Brand: Eaton MPN: 8MC800 UPC: 786679149881 Shipping Weight: 0.05 lbs. Shipping Height: 1.40 In. Shipping Length: 2.30 In...- SKU:
- A13-1202
- Adjustable Instantaneous Trip Range:
- 2400 to 8000 Amp
- Approval:
- UL
- Frame:
- MC
- Frame:
- MCA
- Frame:
- MCG
- Frame:
- MCGA
- Frame:
- HMC
- Frame:
- HMCA
- Frame:
- HMCG
- Frame:
- HMCGA
- Frame:
- MCC
- Frame:
- MCCA
- Frame:
- HMCC
- Frame:
- HMCCA
- Frame:
- MCCG
- Frame:
- MCCGA
- Frame:
- HMCCG
- Frame:
- HMCCGA
- Frame:
- MDS
- Frame:
- J-K
- Type:
- Fixed
- Short Description:
- 0
- Series:
- 0
- Specification/Technical:
- Eaton_05028_1_2_SPEC.pdf
MSRP $65.00Surplus $29.25 -
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Eaton BAB1020S1 Miniature Circuit Breakers (MCBs) BA 1P 20A 240V 50/60Hz 1Ph
MSRP $440.00Surplus $202.24SKU: C15-1020 Brand: Eaton MPN: BAB1020S1 UPC: 786679368282 Shipping Weight: 0.51 lbs. Shipping Height: 3.50 In. Shipping Length: 3.50 In. Shipping Width: 3.50 In...- SKU:
- C15-1020
- Approval:
- UL 489
- Approval:
- CSA
- Amps:
- 20 A
- Interrupting Rating:
- 10000 Amp at 120/240 Volt AC
- Interrupting Rating:
- 5000 Amp at 24 to 48 Volt DC
- Mounting:
- Bolt-On
- Poles:
- 1
- Size:
- 3.5 Inch Width x 3.5 Inch Depth x 3.5 Inch Height
- Terminal Type:
- Ring/Spade Lug
- Type:
- Thermal Magnetic
- Type:
- Non-Interchangeable Trip
- Type:
- Miniature
- Used On:
- 0
- Volts:
- 120/240 VAC
- Volts:
- 24/48/62.5 VDC
- Gauge:
- 14 to 4 AWG Copper/Aluminum (Standard Load)
- Short Description:
- 0
- Series:
- 0
MSRP $440.00Surplus $202.24 -
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Eaton BAB1080 Miniature Circuit Breakers (MCBs) BA 1P 80A 240V 50/60Hz 1Ph
MSRP $260.00Surplus $107.08Eaton BAB1080 Miniature Circuit Breakers (MCBs) BA 1P 80A 240V 50/60Hz 1Ph​ ARCA SKU: C15-3758 Brand: Eaton MPN: BAB1080 UPC: 782114991138 Shipping Weight: 0.30 Shipping Height: 1.00 In...- SKU:
- C15-3758
- Approval:
- UL 489
- Approval:
- CSA
- Amps:
- 80 A
- Interrupting Rating:
- 10000 Amp at 120/240 Volt AC
- Interrupting Rating:
- 5000 Amp at 24 to 48 Volt DC
- Mounting:
- Bolt-On
- Poles:
- 1
- Size:
- 0
- Terminal Type:
- Steel Box Lug Standard Load
- Type:
- Thermal Magnetic
- Type:
- Non-Interchangeable Trip
- Type:
- Miniature
- Used On:
- 0
- Volts:
- 120/240 VAC
- Volts:
- 24/48/62.5 VDC
- Gauge:
- 8 to 1/0 AWG Copper/Aluminum (Standard Load)
- Short Description:
- 0
- Series:
- 0
MSRP $260.00Surplus $107.08 -
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Eaton BR120H Miniature Circuit Breakers (MCBs)
MSRP $55.00Surplus $21.92SKU: C15-1197 Brand: Eaton MPN: BR120H UPC: 786676362115 Shipping Weight: 0.30 lbs. Shipping Height: 3.00 In. Shipping Length: 3.00 In. Shipping Width: 1.00 In...- SKU:
- C15-1197
- Approval:
- UL 489
- Amps:
- 20 A
- Interrupting Rating:
- 10 Kiloamp
- Mounting:
- Plug-On
- Poles:
- 1
- Size:
- 1 Inch Width x 2.5 Inch Depth x 3 Inch Height
- Terminal Type:
- Thermal/High Magnetic
- Used On:
- BR Load Center
- Volts:
- 120/240 VAC
- Gauge:
- 14 to 4 AWG Copper/Aluminum at 60 Deg C
- Short Description:
- 0
- Series:
- 0
- Specification/Technical:
- Eaton_62184_1_2_SPEC.pdf
- TS PIK:
- 21493847
MSRP $55.00Surplus $21.92 -
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Eaton BR5050 Miniature Circuit Breakers (MCBs)
MSRP $152.00Surplus $48.99SKU: C15-3077 Brand: Eaton MPN: BR5050 UPC: 786676028424 Shipping Weight: 0.40 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-3077
- Approval:
- UL 489
- Amps:
- 50 A
- Interrupting Rating:
- 10 Kiloamp
- Poles:
- 2
- Size:
- 1 Inch Width x 3 Inch Depth x 3 Inch Height
- Terminal Type:
- Thermal Magnetic
- Type:
- Common Trip
- Type:
- Duplex
- Used On:
- BR Load Center
- Volts:
- 120/240 V
- Gauge:
- 14 to 4 AWG Copper/Aluminum
- Short Description:
- 0
- Series:
- 0
- Specification/Technical:
- Eaton_36198_1_SPEC.pdf
- TS PIK:
- 126316657
MSRP $152.00Surplus $48.99 -
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Eaton BRP120AFC Miniature Circuit Breakers (MCBs)
MSRP $349.00Surplus $84.00SKU: C15-3700 Brand: Eaton MPN: BRP120AFC UPC: 786689041045 Shipping Weight: 0.45 lbs. Shipping Height: 2.00 In. Shipping Length: 7.00 In. Shipping Width: 4.00 In...- SKU:
- C15-3700
- Approval:
- CSA
- Amps:
- 20 A
- Interrupting Rating:
- 10 Kiloamp
- Mounting:
- Plug-On Neutral
- Poles:
- 1
- Size:
- 6 Inch Width x 3.5 Inch Depth x 1.2 Inch Height
- Terminal Trip Sensitivity:
- 0
- Type:
- Combination
- Used On:
- BR Load Center
- Volts:
- 120 VAC
- Gauge:
- 14 to 4 AWG Copper/Aluminum
- Short Description:
- 0
- Series:
- 0
- TS PIK:
- 127414231
MSRP $349.00Surplus $84.00 -
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Eaton CHN215CAF Miniature Circuit Breakers (MCBs) EA
MSRP $774.07Surplus $343.67SKU: C15-5269 Brand: Eaton MPN: CHN215CAF UPC: 78668921714 Shipping Weight: 0.85 lbs. Shipping Height: 6.00 In. Shipping Length: 2.00 In. Shipping Width: 4.00 In...- SKU:
- C15-5269
- Amps:
- 15 A
- Interrupting Rating:
- 10 Kiloamp
- Mounting:
- Plug-On
- Poles:
- 2
- Size:
- 6 Inch Width x 3.5 Inch Depth x 1.5 Inch Height
- Terminal Trip Sensitivity:
- 0
- Type:
- Combination
- Type:
- Branch Feeder
- Used On:
- CH Load Center
- Volts:
- 120/240 VAC
- Gauge:
- 0
- Short Description:
- 0
- Series:
- 0
MSRP $774.07Surplus $343.67 -
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Eaton EL3150R Trip Units EL 3P 150A 600V 50/60Hz
MSRP $1,000.00Surplus $888.08SKU: A13-1179 Brand: Eaton MPN: EL3150R UPC: 786679610930 Shipping Weight: 2.30 lbs. Shipping Height: 5.00 In. Shipping Length: 5.30 In. Shipping Width: 5.20 In...- SKU:
- A13-1179
- Amps:
- 150 A
- Mounting:
- 0
- Terminal Type:
- 0
- Trip Setting:
- 0
- Used On:
- MCP431550R/MCP431800R Motor Circuit Protector
- Used On:
- J/K Frame Molded Case Circuit Breaker
- Gauge:
- 0
- Short Description:
- 0
- Series:
- 0
- Specification/Technical:
- Eaton_07806_1_SPEC.pdf
MSRP $1,000.00Surplus $888.08 -
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Eaton GHQ2030 Miniature Circuit Breakers (MCBs)
MSRP $470.00Surplus $242.77SKU: C15-3902 Brand: Eaton MPN: GHQ2030 UPC: 786689030537 Shipping Weight: 0.85 lbs. Shipping Height: 2.00 In. Shipping Length: 4.00 In. Shipping Width: 2.00 In...- SKU:
- C15-3902
- Approval:
- UL 489
- Approval:
- CSA C22.2
- Amps:
- 30 A
- Frame:
- G
- Interrupting Rating:
- 65 Kiloamp at 120 Volt AC
- Interrupting Rating:
- 14 Kiloamp at 277 Volt AC
- Maximum AC Voltage:
- 277 V
- Poles:
- 2
- Size:
- 7.5 Inch Width x 12 Inch Depth x 4.5 Inch Height
- Terminal Type:
- Aluminum Pressure Line and Load
- Type:
- Thermal Magnetic
- Type:
- Molded Case
- Volts:
- 277 VAC 50/60 Hertz
- Short Description:
- 277 VAC 50/60 Hz, 30 A, 14 kA Interrupt, 1-Pole, GHQ Frame, Thermal Magnetic, Molded Case, Non-Interchangeable Trip Circuit Breaker
- Series:
- 0
- TS PIK:
- 127413770
MSRP $470.00Surplus $242.77 -
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Eaton GQ1015 Miniature Circuit Breakers (MCBs) GQ 1P 15A 277V 50/60Hz 1Ph
MSRP $274.00Surplus $90.93Eaton GQ1015 Miniature Circuit Breakers (MCBs) GQ 1P 15A 277V 50/60Hz 1Ph​ ARCA SKU: C15-3169 Brand: Eaton MPN: GQ1015 UPC: 782114748596 Shipping Weight: 0.35 Shipping Height: 4.80 In...- SKU:
- C15-3169
- Approval:
- UL
- Approval:
- CSA
- Amps:
- 15 A
- Frame:
- 0
- Interrupting Rating:
- 14 Kiloamp
- Maximum AC Voltage:
- 277 V
- Poles:
- 1
- Size:
- 1.2 Inch Width x 3.6 Inch Depth x 4.8 Inch Height
- Terminal Type:
- Thermal Magnetic
- Type:
- Quicklag
- Volts:
- 277 VAC
- Short Description:
- 0
- Series:
- 0
MSRP $274.00Surplus $90.93 -
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Eaton ORPN80A700 Rating Plug Fixed 700A N Frame
MSRP $264.00Surplus $118.80Eaton ORPN80A700 Rating Plug Fixed 700A N Frame​ ARCA SKU: A13-1165 Brand: Eaton MPN: ORPN80A700 UPC: 786679044469 Shipping Weight: 0.05 lbs. Shipping Height: 2.00 In. Shipping...- SKU:
- A13-1165
- Adjustable Instantaneous Trip Range:
- 0
- Approval:
- UL
- Frame:
- N
- Amps:
- 800 A
- Amps:
- 700 A
- Type:
- Fixed
- Type:
- Electronic OPTIM 550 Digitrip
- Type:
- Interchangeable Trip
- Short Description:
- 0
- Series:
- 0
- Specification/Technical:
- Eaton_09207_1_2_SPEC.pdf
MSRP $264.00Surplus $118.80 -
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Eaton QBHAF1020 Miniature Circuit Breakers (MCBs) QBH 1P 20A 240V 50/60Hz 1Ph EA
MSRP $574.98Surplus $172.18Eaton QBHAF1020 Miniature Circuit Breakers (MCBs) QBH 1P 20A 240V 50/60Hz 1Ph EA​ ARCA SKU: C15-3299 Brand: Eaton MPN: QBHAF1020 UPC: 782116167302 Shipping Weight: 0.40 lbs. Shipping...- SKU:
- C15-3299
- Amps:
- 20 A
- Interrupting Rating:
- 22 Kiloamp
- Mounting:
- Bolt-On
- Poles:
- 1
- Size:
- 0
- Terminal Trip Sensitivity:
- 0
- Type:
- Standard
- Type:
- Parallel Sensing
- Type:
- High Interrupt Current
- Used On:
- 0
- Volts:
- 120/240 VAC
- Gauge:
- 0
- Short Description:
- 0
- Series:
- 0
MSRP $574.98Surplus $172.18 -
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Eaton QBHW3015HS Miniature Circuit Breakers (MCBs) QB 3P 15A 240V 50/60Hz EA
MSRP $1,323.25Surplus $624.09SKU: C15-4843 Brand: Eaton MPN: QBHW3015HS UPC: 786679742907 Shipping Weight: 1.90 lbs. Shipping Height: 5.00 In. Shipping Length: 13.00 In. Shipping Width: 8.00 In...- SKU:
- C15-4843
- Approval:
- UL 489
- Approval:
- CSA
- Amps:
- 15 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 $1,323.25Surplus $624.09 -
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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 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 -
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Eaton RP6R16A120 Rating Plug 50/60Hz
MSRP $660.00Surplus $297.00SKU: A13-1126 Brand: Eaton MPN: RP6R16A120 UPC: 786679486085 Shipping Weight: 0.15 lbs. Shipping Height: 1.80 In. Shipping Length: 5.80 In. Shipping Width: 2.80 In...- SKU:
- A13-1126
- Adjustable Instantaneous Trip Range:
- 0
- Approval:
- UL
- Frame:
- Universal
- Amps:
- 1600 A
- Amps:
- 1200 A
- Type:
- Fixed
- Type:
- Electronic RMS 510 Digitrip
- Type:
- Interchangeable Trip
- Short Description:
- 0
- Series:
- 0
- Specification/Technical:
- Eaton_62102_1_SPEC.pdf
MSRP $660.00Surplus $297.00 -
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Murray MP120DF Miniature Circuit Breakers (MCBs) 1P 20A 120V
MSRP $79.00Surplus $55.13Murray MP120DF Miniature Circuit Breakers (MCBs) 1P 20A 120V​ ARCA SKU: C15-2813 Brand: Murray MPN: MP120DF UPC: 887621817268 Shipping Weight: 0.30 Shipping Height: 1.00 In. Shipping...- SKU:
- C15-2813
- Application:
- HACR
- Application:
- 120 VAC Fluorescent Lighting
- Approval:
- UL 1699/943
- Amps:
- 20 A
- Interrupting Rating:
- 10 Kiloampere
- Mounting:
- Plug-In
- Poles:
- 1
- Size:
- 3 Inch W x 1 Inch D x 4.5 Inch H
- Terminal Used On:
- Loadcenter
- Volts:
- 120 VAC
- Gauge:
- 14 to 10 AWG (Copper)
- Gauge:
- 12 to 8 AWG (Aluminum)
- Short Description:
- 120 V, 20 A, 10 kA, 1-Pole, Plug-In Mount, MP-GAT2, Arc Fault/Ground Fault, Circuit Breaker
- Series:
- 0
- Data Sheet:
- SiemensAG_01516_1_DATA.pdf
MSRP $79.00Surplus $55.13 -
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Siemens B330HH00S01 Miniature Circuit Breakers (MCBs)
MSRP $1,085.00Surplus $424.20SKU: C15-1433 Brand: Siemens MPN: B330HH00S01 UPC: 783643269347 Shipping Weight: 3.00 lbs. Shipping Height: 4.00 In. Shipping Length: 6.00 In. Shipping Width: 4.00 In...- SKU:
- C15-1433
- Application:
- Lighting
- Application:
- Distribution
- Approval:
- UL 489
- Approval:
- CSA C22.2
- Amps:
- 30 A
- Installation:
- Bolt-On
- Interrupting Rating:
- 65 Kiloamp at 240 Volt AC
- Poles:
- 3
- Trip Setting:
- 0
- Type:
- Molded Case
- Type:
- Low Voltage
- Type:
- Thermal Magnetic
- Used On:
- Panelboard
- Volts:
- 240 VAC
- Short Description:
- 240 VAC, 30 A, 65 A Interrupt, 3-Pole, Molded Case, Low Voltage, Thermal Magnetic, Panelboard Circuit Breaker
- Series:
- 0
- Specification/Technical:
- SiemensAG_36088_1_2_SPEC.pdf
- Installation/Operator:
- SiemensAG_00053_INST.pdf
- TS PIK:
- 115555058
MSRP $1,085.00Surplus $424.20
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