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 QBHW2045 Miniature Circuit Breakers (MCBs) 2P 45A
MSRP $306.81Surplus $67.50Eaton QBHW2045 Miniature Circuit Breakers (MCBs) 2P 45A​ ARCA SKU: C15-4176 Brand: Eaton MPN: QBHW2045 UPC: 78667915247 Shipping Weight: 0.70 lbs. Shipping Height: 3.00 In. Shipping...- SKU:
- C15-4176
- Series:
- QBHW
- Type:
- Thermal Magnetic
- Approval:
- UL 489
- Approval:
- CSA
- Volts:
- 120/240 VAC
- Amps:
- 32 A
- Poles:
- 2
- Mounting:
- Bolt-On
- Interrupting Rating:
- 22000 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, 45 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:
- 122441242
- Number of Poles:
- 2
- Current Rating:
- 45 A
- Voltage Rating:
- 120/240 VAC
- Country of Origin:
- Dominican Republic
MSRP $306.81Surplus $67.50 -
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Eaton QC2025 Miniature Circuit Breakers (MCBs) EA
MSRP $190.83Surplus $82.64Eaton QC2025 Miniature Circuit Breakers (MCBs) EA​ ARCA SKU: C15-9413 Brand: Eaton MPN: QC2025 UPC: 78667930943 Shipping Weight: 0.70 lbs. Shipping Height: 3.00 In. Shipping...- SKU:
- C15-9413
- TS PIK:
- 21508960
- Short Description:
- EATON QUICKLAG TYPE QC INDUSTRIAL THERMAL-MAGNETIC CIRCUIT BREAKER,INDUSTRIAL CI
- Type:
- Thermal Magnetic, Cable-In/Cable-Out, Non-Interchangeable Trip, Miniature
- Interrupting Rating:
- 10000 A at 120/240 VAC, 5000 A at 24/48/62.5/80 VDC
- Current Rating:
- 25 A
- Number of Poles:
- 2
- Voltage Rating:
- 120/240 VAC, 24/48/80 VDC
- Terminal Type:
- Aluminum Box Lug Standard Line, Steel Box Lug Standard Load
- Size:
- 2.2 Inch Width x 4 Inch Depth x 4.8 Inch Height
- Wire Size:
- 14 to 4 AWG Copper/Aluminum (Standard Load)
- Catalog:
- Eaton_03771_V4T1_3-V4T1_46_CAT.pdf
- Approval:
- UL 489, CSA
MSRP $190.83Surplus $82.64 -
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Eaton QC3030H Din Rail Mounted Circuit Breakers EA
MSRP $586.21Surplus $123.65Eaton QC3030H Din Rail Mounted Circuit Breakers EA​ ARCA SKU: C15-5216 Brand: Eaton MPN: QC3030H UPC: 786679240106 Shipping Weight: 1.10 lbs. Shipping Height: 3.00 In. Shipping...- SKU:
- C15-5216
- Series:
- QC
- Type:
- Thermal Magnetic
- Approval:
- UL 489
- Approval:
- CSA
- Volts:
- 240 VAC
- Amps:
- 32 A
- Poles:
- 3
- Mounting:
- DIN Rail
- Interrupting Rating:
- 10 kA
- Terminal Type:
- Lug
- Wire Size:
- 14 to 4 AWG (Aluminum/Copper)
- Short Description:
- 240 VAC, 30 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
- Current Rating:
- 30 A
- Number of Poles:
- 3
- Voltage Rating:
- 240 VAC
- Country of Origin:
- Dominican Republic
MSRP $586.21Surplus $123.65 -
Eaton QCPHW1030 Miniature Circuit Breakers (MCBs) QP 1P 30A 240V 50/60Hz 1Ph
MSRP $131.12Surplus $15.23Eaton QCPHW1030 Miniature Circuit Breakers (MCBs) QP 1P 30A 240V 50/60Hz 1Ph​ ARCA SKU: C15-3079 Brand: Eaton MPN: QCPHW1030 UPC: 786685555423 Shipping Weight: 0.40 Shipping Height: 3.00...- SKU:
- C15-3079
- Series:
- QC
- Volts:
- 240 V
- Amps:
- 30 A
- Poles:
- 1
- Frequency Rating:
- 50/60 Hz
- Short Description:
- TYPE QC BREAKER 1P 30A QCPHW
- Number of Poles:
- 1
- Country of Origin:
- Dominican Republic
MSRP $131.12Surplus $15.23 -
Eaton QCPHW2030 Miniature Circuit Breakers (MCBs) QCP 2P 30A 240V 50/60Hz 1Ph
MSRP $272.00Surplus $27.90Eaton QCPHW2030 Miniature Circuit Breakers (MCBs) QCP 2P 30A 240V 50/60Hz 1Ph​ ARCA SKU: C15-2522 Brand: Eaton MPN: QCPHW2030 UPC: 786685555461 Shipping Weight: 0.80 Shipping Height: 5.00...- SKU:
- C15-2522
- Series:
- QC
- Volts:
- 240 V
- Amps:
- 30 A
- Poles:
- 2
- Frequency Rating:
- 50/60 Hz
- Short Description:
- TYPE QC BREAKER 2P 30A QCPHW
- Country of Origin:
- United States
MSRP $272.00Surplus $27.90 -
GE EZSELA36AT0100 Molded Case Breakers (MCCBs)
MSRP $1,500.00Surplus $877.94SKU: C15-11281 Brand: GE MPN: EZSELA36AT0100 UPC: Shipping Weight: 8.05 lbs. Shipping Height: 6.00 In. Shipping Length: 12.00 In. Shipping Width: 9.00 In. Product...- SKU:
- C15-11281
- TS PIK:
- 126994282
- Voltage Rating:
- 600 V
- Current Rating:
- 100 A
- Type:
- Feeder
- Short Description:
- 3X, 600 V, 100 A, 3-Phase, 100 kA at 240 VAC, 65 kA at 480 VAC, Feeder, Power Panel Circuit Breaker
- Interrupting Rating:
- 100 kA at 240 VAC, 65 kA at 480 VAC
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_01894_3_CAT.pdf
MSRP $1,500.00Surplus $877.94 -
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GE THQB32045 Miniature Circuit Breakers (MCBs)
MSRP $370.99Surplus $95.27GE THQB32045 Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-6035 Brand: GE MPN: THQB32045 UPC: 78316405993 Shipping Weight: 1.15 lbs. Shipping Height: 3.00 In. Shipping...- SKU:
- C15-6035
- TS PIK:
- 112126173
- CAD Drawings:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_01786_1_CAD.pdf
- Short Description:
- 240 VAC, 45 A, 10 kA Interrupt, 3-Pole, 8 to 3 AWG Aluminum/Copper Load Lug Terminal, 1" Bolt-On Mount, Q-Line Frame, Non-Interchangeable/Internal Common Trip, Compact, Fixed Thermal Magnetic, Miniature Molded Case Circuit Breaker
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00542_6_4_6_5_6_8_6_35_CAT.pdf
- Type:
- Thermal Magnetic, Compact
- Current Rating:
- 45 A
- Terminal Type:
- Bolt-On
MSRP $370.99Surplus $95.27 -
GENERAL ELECTRIC TED136125 Molded Case Breakers (MCCBs)
MSRP $3,784.63Surplus $599.42SKU: C15-6967 Brand: GENERAL ELECTRIC MPN: TED136125 UPC: 78316413293 Shipping Weight: 4.20 lbs. Shipping Height: 5.00 In. Shipping Length: 9.00 In. Shipping Width: 5...- SKU:
- C15-6967
- TS PIK:
- 21108165
- Number of Poles:
- 3
- Current Rating:
- 125 A
- Terminal Type:
- Copper/Aluminum Line and Load Lug
- Interrupting Rating:
- 14 kA at 600 VAC, 18 kA at 120/240/277/480 VAC, 10 kA at 125/250/500 VDC
- Short Description:
- 600 VAC, 125 A, 18 kA Interrupt, 3-Pole, Aluminum/Copper Load Lug Terminal, E150-Frame, Non-Interchangeable Trip, Core E/Mid Tier, Thermal Magnetic, Industrial Molded Case Circuit Breaker
- Type:
- Thermal Magnetic
- Voltage Rating:
- 120/240/277/480/600 VAC, 125/250/500 VDC
MSRP $3,784.63Surplus $599.42 -
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GENERAL ELECTRIC THHQB2135 Miniature Circuit Breakers (MCBs)
MSRP $250.00Surplus $77.66GENERAL ELECTRIC THHQB2135 Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-3333 Brand: GENERAL ELECTRIC MPN: THHQB2135 UPC: 78316411837 Shipping Weight: 0.75 lbs. Shipping Height: 3...- SKU:
- C15-3333
- Type:
- Thermal Magnetic
- Type:
- Compact
- Approval:
- UL
- Volts:
- 120/240 VAC
- Amps:
- 32 A
- Poles:
- 2
- Interrupting Rating:
- 22 kA at 120/240 VAC
- Terminal Type:
- Bolt-On
- Frame Type:
- Q-Line
- Maximum AC Voltage Rating:
- 240 Volt
- Short Description:
- 120/240 VAC, 35 A, 22 kA Interrupt, 2-Pole, 8 to 3 AWG Aluminum/Copper Load Lug Terminal, 1" Bolt-On Mount, Q-Line Frame, Non-Interchangeable/Internal Common Trip, Compact, Fixed Thermal Magnetic
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00542_6_4_6_5_6_8_6_38_CAT.pdf
- CAD Drawing:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_01786_1_CAD.pdf
- TS PIK:
- 112128193
- Current Rating:
- 35 A
- CAD Drawings:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_01786_1_CAD.pdf
- Voltage Rating:
- 120/240 VAC
- Number of Poles:
- 2
- Mounting:
- Bolt-On
- Series:
- THHQ
MSRP $250.00Surplus $77.66 -
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MB Manufacturing REF3-B100 Molded Case Breakers (MCCBs)
MSRP $1,650.00Surplus $551.72SKU: C15-8847 Brand: MB Manufacturing MPN: REF3-B100 UPC: Shipping Weight: 3.75 lbs. Shipping Height: 5.00 In. Shipping Length: 7.00 In. Shipping Width: 5.00 In...- SKU:
- C15-8847
MSRP $1,650.00Surplus $551.72 -
Murray MP2020 Miniature Circuit Breakers (MCBs) 120V
MSRP $141.75Surplus $43.55Murray MP2020 Miniature Circuit Breakers (MCBs) 120V​ ARCA SKU: C15-4042 Brand: Murray MPN: MP2020 UPC: 04089228110 Shipping Weight: 0.35 lbs. Shipping Height: 1.00 In. Shipping...- SKU:
- C15-4042
- Series:
- MP
- Type:
- Thermal Magnetic
- Type:
- Duplex
- Approval:
- UL 489
- Approval:
- CSA C22.2
- Volts:
- 120 VAC
- Amps:
- 32 A
- Used On:
- Loadcenter
- Poles:
- 1
- Mounting:
- Plug-On
- Interrupting Rating:
- 10 kA
- Terminal Type:
- Load Lug
- Wire Size:
- 14 to 8 AWG (Copper)
- Wire Size:
- 12 to 8 AWG (Aluminum)
- Short Description:
- 120 VAC, 20 A, 10 kA, (2) 1-Pole, 14 to 8 AWG Copper/12 to 8 AWG Aluminum, Plug-In Mount, MH-T Frame, Duplex, Thermal Magnetic Trip Unit
- Data Sheet:
- SiemensAG_06589_1_DATA.pdf
- Installation/Operator:
- SiemensAG_00215_INST.pdf
- TS PIK:
- 21029422
- Number of Poles:
- 1
- Voltage Rating:
- 120 VAC
- Current Rating:
- 20 A
- Country of Origin:
- Mexico
MSRP $141.75Surplus $43.55 -
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Siemens BQD370 Miniature Circuit Breakers (MCBs) 3P 70A 277/480V EA
MSRP $1,561.00Surplus $224.77SKU: C15-7528 Brand: Siemens MPN: BQD370 UPC: Shipping Weight: 1.80 lbs. Shipping Height: 4.00 In. Shipping Length: 6.00 In. Shipping Width: 5.00 In. Product...- SKU:
- C15-7528
- TS PIK:
- 120152001
- Type:
- Branch, Molded Case
- Voltage Rating:
- 480 VAC Star/277 VAC
- Number of Poles:
- 3
- Short Description:
- 480 VAC Star/277 VAC, 70 A, 14 kA, 3-Pole, Bolt-On Mount, Molded Case, Branch, Thermal Magnetic, Panelboard Circuit Breaker
- Data Sheet:
- SiemensAG_01623_1_DATA.pdf
- Catalog:
- SiemensAG_00876_5_18_5_20_CAT.pdf
- Used On:
- P1/P2/P3/P4/P5 Panelboard
- Series:
- BQD
- Interrupting Rating:
- 14 kA at 480 Star/277 VAC (UL)
- Current Rating:
- 70 A
- Country of Origin:
- Mexico
MSRP $1,561.00Surplus $224.77 -
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Square D AL800MA7 Circuit Breaker Accessories EA
MSRP $192.00Surplus $104.61Square D AL800MA7 Circuit Breaker Accessories EA​ ARCA SKU: C15-6405 Brand: Square D MPN: AL800MA7 UPC: 78590136815 Shipping Weight: 8.90 lbs. Shipping Height: 7.00 In. Shipping...- SKU:
- C15-6405
MSRP $192.00Surplus $104.61 -
Square D HOM290 Miniature Circuit Breakers (MCBs) 2P 90A 120V
MSRP $190.00Surplus $54.53Square D HOM290 Miniature Circuit Breakers (MCBs) 2P 90A 120V​ ARCA SKU: C15-2665 Brand: Square D MPN: HOM290 UPC: 78590106571 Shipping Weight: 0.85 lbs. Shipping Height: 3.00 In...- SKU:
- C15-2665
- Type:
- Standard
- Type:
- Common Trip
- Approval:
- UL
- Size:
- 2 Inch Width x 2.98 Inch Depth x 3.13 Inch Height
- Volts:
- 120/240 VAC
- Amps:
- 32 A
- Used On:
- Load Center
- Poles:
- 2
- Mounting:
- Plug-On
- Interrupting Rating:
- 10 kA
- Terminal Type:
- Box Lug
- Wire Size:
- 4 to 2/0 AWG (Aluminum/Copper)
- Short Description:
- 120/240 VAC, 90 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_39_7_22_CAT.pdf
- Data Sheet:
- SchneiderElectric-SquareD_13464_1_2_DATA.pdf
- Installation/Operator:
- SchneiderElectric-SquareD_00099_INST.pdf
- TS PIK:
- 111082008
- Number of Poles:
- 2
- Voltage Rating:
- 120/240 VAC
- Current Rating:
- 90 A
- Series:
- HOM
- Country of Origin:
- Mexico
MSRP $190.00Surplus $54.53 -
Square D QOB315 Miniature Circuit Breakers (MCBs)
MSRP $316.44Surplus $77.70Square D QOB315 Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-4927 Brand: Square D MPN: QOB315 UPC: 78590141706 Shipping Weight: 0.80 lbs. Shipping Height: 3.00 In. Shipping...- SKU:
- C15-4927
- TS PIK:
- 122082360
- Installation/Operator:
- SchneiderElectric-SquareD_02166_INST.pdf
- Type:
- Miniature, Standard
- Short Description:
- 120/240 VAC 50/60 Hz, 48 VDC, 15 A, 10 kA, 3-Pole, Q-Frame, Bolt-On Mount, Pressure Plate Terminal, Miniature, Standard, Panelboard Circuit Breaker
- Catalog:
- SchneiderElectric-SquareD_32357_9_16_CAT.pdf
- Current Rating:
- 15 A
- Interrupting Rating:
- 10 kA at 120/240 VAC, 5 kA at 48 VDC
- Used On:
- NQ Panelboard
- Number of Poles:
- 3
- Voltage Rating:
- 120/240 VAC
- Series:
- QOB
- Data Sheet:
- SchneiderElectric_21366_1_2_DATA.pdf
- Country of Origin:
- United States
MSRP $316.44Surplus $77.70 -
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ABB K6TJ Other Circuit Breakers
MSRP $571.00Surplus $173.53SKU: C15-11365 Brand: ABB MPN: K6TJ UPC: 01564452611 Shipping Weight: 2.30 lbs. Shipping Height: 4.00 In. Shipping Length: 9.00 In. Shipping Width: 3.00 In. Product...- SKU:
- C15-11365
- TS PIK:
- 128335758
MSRP $571.00Surplus $173.53 -
ABB S203-D6 Miniature Circuit Breakers (MCBs)
MSRP $304.00Surplus $56.70ABB S203-D6 Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-11377 Brand: ABB MPN: S203-D6 UPC: 4016779609050 Shipping Weight: 0.90 lbs. Shipping Height: 3.00 In. Shipping...- SKU:
- C15-11377
- TS PIK:
- 121306758
- Short Description:
- 480 Star/277 VAC 50/60 Hz, 110 VDC, 6 A, 3-Pole, 6 kA, 35 MM DIN Rail Mount, Current Limiting, Thermal Magnetic, Miniature Circuit Breaker
- Series:
- S200
- Type:
- Miniature, Thermal Tripping, Current Limiting, Supplementary Protector
- Interrupting Rating:
- 6 kA
- Terminal Type:
- Screw Terminal
- Current Rating:
- 6 A
- Wire Size:
- 18 to 4 AWG (Conductor), 18 to 8 AWG (Busbar)
- Voltage Rating:
- 480 Star/277 VAC, 125 VDC
- Mounting:
- 35 Millimeter DIN Rail Mount
- Size:
- 52.5 Millimeter Width x 69 Millimeter Depth x 88 Millimeter Height
- Installation/Operator:
- ABBInstallationProducts_00016_INST.pdf
- Catalog:
- ABBInstallationProducts_00198_20_23_CAT.pdf
- Number of Poles:
- 3
- Country of Origin:
- United States
MSRP $304.00Surplus $56.70 -
Eaton 20RES20T Rating Plug Fixed 2000A R Frame EA
MSRP $327.46Surplus $222.86Eaton 20RES20T Rating Plug Fixed 2000A R Frame EA​ ARCA SKU: A13-1066 Brand: Eaton MPN: 20RES20T UPC: 78667958135 Shipping Weight: 0.05 lbs. Shipping Height: 1.00 In. Shipping...- SKU:
- A13-1066
- Frame:
- RG
- Frame:
- J-K
- Specification/Technical:
- Eaton_04160_1_2_SPEC.pdf
- TS PIK:
- 107004987
- Maximum Breaker Current Rating:
- 2000 A
- Plug Current Rating:
- 2000 A
- Frame Type:
- RG, J-K
- Short Description:
- EATON MOLDED CASE CIRCUIT BREAKER ACCESSORY RATING PLUG, RATING PLUG, 2000 A, FR
- Country of Origin:
- United States
MSRP $327.46Surplus $222.86 -
Eaton A1X5RTK Circuit Breaker Accessories Aux Switch 600V 50/60Hz N Frame SERIES G
MSRP $515.00Surplus $94.62Eaton A1X5RTK Circuit Breaker Accessories Aux Switch 600V 50/60Hz N Frame SERIES G​ ARCA SKU: C15-2551 Brand: Eaton MPN: A1X5RTK UPC: 786679027059 Shipping Weight: 0.30 Shipping Height: 3...- SKU:
- C15-2551
- Volts:
- 600 V
- Frequency Rating:
- 50/60 Hz
- Frame:
- N
- Short Description:
- EATON MOLDED CASE CIRCUIT BREAKER ACCESSORY AUXILIARY SWITCH, AUXILIARY SWITCH,
- Country of Origin:
- United States
MSRP $515.00Surplus $94.62 -
Eaton BAB1030S Miniature Circuit Breakers (MCBs) BA 1P 30A 120/240V 50/60Hz 1Ph EA
MSRP $373.00Surplus $82.78Eaton BAB1030S Miniature Circuit Breakers (MCBs) BA 1P 30A 120/240V 50/60Hz 1Ph EA​ ARCA SKU: C15-1024 Brand: Eaton MPN: BAB1030S UPC: 786679368442 Shipping Weight: 0.65 lbs. Shipping...- SKU:
- C15-1024
- TS PIK:
- 107002368
- Type:
- Thermal Magnetic
- Series:
- BAB
- Mounting:
- Bolt-On
- Short Description:
- 120/240 VAC, 30 A, 10 kA, 1-Pole, Extended Tang Line/Box Lug Load Terminal, Bolt-On Mount, Shunt Trip, Thermal Magnetic, Circuit Breaker
- Wire Size:
- 14 to 4 AWG Aluminum/Copper (Load)
- Interrupting Rating:
- 10000 A at 120/240 VAC, 5000 A at 24 to 48 VDC, 3800 A at 62.5 VDC
- Current Rating:
- 30 A
- Terminal Type:
- Extended Tang Line Terminal, Box Lug Load Terminal
- Voltage Rating:
- 120/240 VAC
- Catalog:
- Eaton_21247_4_9_CAT.pdf
- Number of Poles:
- 1
- Country of Origin:
- Dominican Republic
MSRP $373.00Surplus $82.78
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