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 2TA225CVK Circuit Breaker Accessories CV 2P
MSRP $249.00Surplus $100.88Eaton 2TA225CVK Circuit Breaker Accessories CV 2P​ ARCA SKU: C15-1501 Brand: Eaton MPN: 2TA225CVK UPC: 786685758992 Shipping Weight: 0.52 Shipping Height: 4.38 In. Shipping...- SKU:
- C15-1501
- Series:
- CV
- Poles:
- 2
- Short Description:
- EATON TYPE CV MOLDED CASE CIRCUIT BREAKER ACCESSORIES,TERMINAL SHIELD KIT,TWO-PO
MSRP $249.00Surplus $100.88 -
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Eaton 2TA401K Circuit Breaker Accessories Terminal Assembly 2P 400A J-K Frame
MSRP $86.00Surplus $36.39Eaton 2TA401K Circuit Breaker Accessories Terminal Assembly 2P 400A J-K Frame​ ARCA SKU: C15-2349 Brand: Eaton MPN: 2TA401K UPC: 786679225424 Shipping Weight: 0.86 Shipping Height: 4.75 In...- SKU:
- C15-2349
- Series:
- C
- Type:
- Line/Load Lug
- Used On:
- K Frame Molded Case Circuit Breaker
- Conductor Material:
- Copper/Aluminum
- Body Material:
- Aluminum
- Maximum Conductor Size:
- (1) 500 KCMIL/(2) 250 KCMIL
- Minimum Conductor Size:
- 2/0 AWG
- Number of Conductors:
- 1 or 2
- Maximum Breaker Current Rating:
- 400 Ampere
- Short Description:
- 400 A, 2/0 AWG to 500 KCMIL/250 KCMIL, 1/2-Conductor, Aluminum, Line/Load Lug
- Catalog:
- Eaton_27487_V4T2_302_V4T2_317_CAT.pdf
MSRP $86.00Surplus $36.39 -
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Eaton 2TA603LDK Circuit Breaker Accessories Terminal Assembly 2P 600A J-K Frame
MSRP $165.95Surplus $59.20Eaton 2TA603LDK Circuit Breaker Accessories Terminal Assembly 2P 600A J-K Frame​ ARCA SKU: C15-4208 Brand: Eaton MPN: 2TA603LDK UPC: 786679801871 Shipping Weight: 1.10 Shipping Height: 3...- SKU:
- C15-4208
- Used On:
- Molded Case Circuit Breaker
- Conductor Material:
- Aluminum/Copper
- Body Material:
- Aluminum
- Maximum Conductor Size:
- 500 KCMIL
- Minimum Conductor Size:
- 400 KCMIL
- Maximum Breaker Current Rating:
- 600 Amp
- Short Description:
- 400 to 500 KCMIL Aluminum/Copper, Aluminum Body
- Installation/Operator:
- Eaton_00375_INST.pdf
- Manufacturer Warranty:
- Eaton_00013_WARR.pdf
MSRP $165.95Surplus $59.20 -
Eaton 314C541G01 Circuit Breaker Accessories Connector 400A J-K Frame
MSRP $333.00Surplus $53.29Eaton 314C541G01 Circuit Breaker Accessories Connector 400A J-K Frame​ ARCA SKU: C15-2810 Brand: Eaton MPN: 314C541G01 UPC: 786679835968 Shipping Weight: 1.80 Shipping Height: 2.50 In...- SKU:
- C15-2810
- Amps:
- 400 A
- Frame:
- J-K
- Short Description:
- EATON MOLDED CASE CIRCUIT BREAKER ACCESSORY PANELBOARD CONNECTING STRAP, PANELBO
- Country of Origin:
- United States
MSRP $333.00Surplus $53.29 -
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Eaton 314C794G09 Circuit Breaker Accessories Vari-Depth Rotary Handle J-K Frame Special Features: G09 Class 1 NEMA 7 Group D
MSRP $432.71Surplus $188.11Eaton 314C794G09 Circuit Breaker Accessories Vari-Depth Rotary Handle J-K Frame Special Features: G09 Class 1 NEMA 7 Group D​ ARCA SKU: C15-2840 Brand: Eaton MPN: 314C794G09 UPC: 786679410448 Shipping...- SKU:
- C15-2840
- Frame:
- J-K
- Enclosure:
- Nema 7
- Short Description:
- EATON MOLDED CASE CIRCUIT BREAKER ACCESSORY HANDLE MECHANISM, HANDLE ASSEMBLY, G
MSRP $432.71Surplus $188.11 -
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Eaton 37MMRCBK Circuit Breaker Accessories EA
MSRP $456.52Surplus $97.62Eaton 37MMRCBK Circuit Breaker Accessories EA​ ARCA SKU: C15-9472 Brand: Eaton MPN: 37MMRCBK UPC: 78668569134 Shipping Weight: 0.25 lbs. Shipping Height: 2.00 In. Shipping...- SKU:
- C15-9472
- TS PIK:
- 125081371
MSRP $456.52Surplus $97.62 -
Eaton 3A16272G30 Motor Circuit Protector (MCPs) EA
MSRP $870.00Surplus $66.22Eaton 3A16272G30 Motor Circuit Protector (MCPs) EA​ ARCA SKU: C15-5194 Brand: Eaton MPN: 3A16272G30 UPC: 786679804247 Shipping Weight: 4.45 lbs. Shipping Height: 6.00 In. Shipping...- SKU:
- C15-5194
- UOM:
- EA
- Box Quantity:
- 1
- Number of Poles:
- 3
- Short Description:
- is a molded case motor circuit protector designed to provide magnetic-only protection for motor circuits.
- Current Rating:
- 3 A
- Country of Origin:
- United States
- Interrupting Rating:
- 65 kA
- Type:
- Magnetic
- Series:
- C
- Voltage Rating:
- 600 VAC
MSRP $870.00Surplus $66.22 -
Eaton 3BRSF150 Miniature Circuit Breakers (MCBs) BR 3P 150A 240V 50/60Hz 3Ph EA
MSRP $149.00Surplus $67.88Eaton 3BRSF150 Miniature Circuit Breakers (MCBs) BR 3P 150A 240V 50/60Hz 3Ph EA​ ARCA SKU: C15-1002 Brand: Eaton MPN: 3BRSF150 UPC: 78667600178 Shipping Weight: 0.75 lbs. Shipping...- SKU:
- C15-1002
- Volts:
- 240 V
- Amps:
- 150 A
- Poles:
- 3
- Frequency Rating:
- 50/60 Hz
- Short Description:
- EATON FIELD INSTALLATION KITS AND PARTS,REQUIRES (3) 1 IN SPACES,MAIN AND SUB-FE
- TS PIK:
- 115463363
- Catalog:
- Eaton_46524_V1T1_55_V1T1_67_CAT.pdf
- Current Rating:
- 150 A
- Data Sheet:
- Eaton_03713_3_DATA.pdf
- Number of Poles:
- 3
- Used On:
- BR Series Loadcenter
- Type:
- Main Lug
MSRP $149.00Surplus $67.88 -
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Eaton 3DBAR Circuit Breaker Accessories 3P EA
MSRP $420.00Surplus $151.20Eaton 3DBAR Circuit Breaker Accessories 3P EA​ ARCA SKU: C15-6811 Brand: Eaton MPN: 3DBAR UPC: 78668536603 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping...- SKU:
- C15-6811
MSRP $420.00Surplus $151.20 -
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Eaton 3T125EF Circuit Breaker Accessories Pressure Terminal EG Frame EA
MSRP $11.47Surplus $5.75Eaton 3T125EF Circuit Breaker Accessories Pressure Terminal EG Frame EA​ ARCA SKU: C15-3200 Brand: Eaton MPN: 3T125EF UPC: 782114983652 Shipping Weight: 0.15 Shipping Height: 1.00 In...- SKU:
- C15-3200
- Type:
- Line/Load Lug
- Type:
- Pressure
- Used On:
- EG Frame Molded Case Circuit Breaker
- Conductor Material:
- Copper/Aluminum
- Body Material:
- Steel
- Maximum Conductor Size:
- 3/0 AWG
- Minimum Conductor Size:
- 14 AWG
- Number of Conductors:
- 2
- Maximum Breaker Current Rating:
- 125 Ampere
- Quantity:
- 3 per Pack
- Short Description:
- 125 A, 14 to 3/0 AWG, 2-Conductor, Steel, Line/Load Lug
- Catalog:
- Eaton_27487_V4T2_162_CAT.pdf
MSRP $11.47Surplus $5.75 -
Eaton 3T632LK Circuit Breaker Accessories
MSRP $546.29Surplus $162.50SKU: C15-9555 Brand: Eaton MPN: 3T632LK UPC: 78211616565 Shipping Weight: 4.15 lbs. Shipping Height: 4.00 In. Shipping Length: 9.00 In. Shipping Width: 3.00 In...- SKU:
- C15-9555
- TS PIK:
- 120298424
- Short Description:
- EATON MOLDED CASE CIRCUIT BREAKER ACCESSORY LINE AND LOAD TERMINAL, LINE AND LOA
- Country of Origin:
- United States
MSRP $546.29Surplus $162.50 -
Eaton 3TA100G6K Circuit Breaker Accessories 6-Wire Terminal Connector Kit 3P 100A G
MSRP $134.76Surplus $24.26Eaton 3TA100G6K Circuit Breaker Accessories 6-Wire Terminal Connector Kit 3P 100A G​ ARCA SKU: C15-3755 Brand: Eaton MPN: 3TA100G6K UPC: 786679096680 Shipping Weight: 0.30 Shipping...- SKU:
- C15-3755
- Amps:
- 100 A
- Poles:
- 3
- Frame:
- G
- Short Description:
- EATON MOLDED CASE CIRCUIT BREAKER ACCESSORY MULTIWIRE CONNECTORS, MULTIWIRE CONN
- Country of Origin:
- Dominican Republic
MSRP $134.76Surplus $24.26 -
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Eaton 3TA125EF Circuit Breaker Accessories Terminal Insulator Kit 3P 125A J-K Frame
MSRP $10.80Surplus $16.16Eaton 3TA125EF Circuit Breaker Accessories Terminal Insulator Kit 3P 125A J-K Frame​ ARCA SKU: C15-3306 Brand: Eaton MPN: 3TA125EF UPC: 782114983669 Shipping Weight: 0.05 Shipping...- SKU:
- C15-3306
- Body Material:
- Aluminum
- Conductor Material:
- Copper/Aluminum
- Amps:
- 125 A
- Maximum Conductor Size:
- 1/0 AWG
- Minimum Conductor Size:
- 14 AWG
- Number of Conductors:
- 0
- Quantity:
- 3
- Type:
- Line/Load Lug
- Used On:
- EGEDC/EGSDC/EGHDC G Series EG Frame Molded Case Circuit Breaker
- Specification/Technical:
- Eaton_60398_1_2_SPEC.pdf
- Catalog:
- Eaton_03771_V4T2_127_V4T2_128_V4T2_452_CAT.pdf
- Short Description:
- EATON MOLDED CASE CIRCUIT BREAKER ACCESSORY LINE AND LOAD TERMINAL, TERMINAL KIT
MSRP $10.80Surplus $16.16 -
Eaton 3TA150F6K Circuit Breaker Accessories Multiwire Connector 225A F Frame EA
MSRP $131.00Surplus $28.79Eaton 3TA150F6K Circuit Breaker Accessories Multiwire Connector 225A F Frame EA​ ARCA SKU: C15-2977 Brand: Eaton MPN: 3TA150F6K UPC: 786679843826 Shipping Weight: 0.45 lbs. Shipping...- SKU:
- C15-2977
- Type:
- Multi-Wire Connector
- Used On:
- C Series Molded Case Circuit Breaker
- Short Description:
- 225 A, 14 to 6 AWG, F-Frame
- Catalog:
- Eaton_14666_V4T2_450_CAT.pdf
- Installation/Operator:
- Eaton_00522_INST.pdf
- TS PIK:
- 107007404
- Country of Origin:
- United States
MSRP $131.00Surplus $28.79 -
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Eaton 3TA225CVK Circuit Breaker Accessories Terminal Shield Kit 3P CV
MSRP $371.00Surplus $141.29Eaton 3TA225CVK Circuit Breaker Accessories Terminal Shield Kit 3P CV​ ARCA SKU: C15-2352 Brand: Eaton MPN: 3TA225CVK UPC: 786685759005 Shipping Weight: 0.65 Shipping Height: 4.38 In...- SKU:
- C15-2352
- Type:
- Terminal Shield Kit
- Used On:
- 1MM/3MM CVS/CV/CVH Tenant Main Molded Case Circuit Breaker
- Specification/Technical:
- Eaton_60646_1_SPEC.pdf
- Catalog:
- Eaton-CutlerHammer_00031_V1T4_121_V1T4_122_CAT.pdf
- Short Description:
- EATON CCV TENANT MAIN BREAKER
MSRP $371.00Surplus $141.29 -
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Eaton 3TA225FDK3 Circuit Breaker Accessories Line and Load Terminals 3P 225A FD Frame
MSRP $273.00Surplus $111.78Eaton 3TA225FDK3 Circuit Breaker Accessories Line and Load Terminals 3P 225A FD Frame​ ARCA SKU: C15-2604 Brand: Eaton MPN: 3TA225FDK3 UPC: 786685883915 Shipping Weight: 0.75 Shipping...- SKU:
- C15-2604
- Body Material:
- Aluminum
- Conductor Material:
- Copper/Aluminum
- Amps:
- 225 A
- Maximum Conductor Size:
- 300 KCMIL
- Minimum Conductor Size:
- 6 AWG
- Number of Conductors:
- 1
- Quantity:
- 3
- Type:
- Standard
- Type:
- Line/Load Lug
- Used On:
- C Series FD/PV-Frame Molded Case Circuit Breaker
- Specification/Technical:
- Eaton_15211_1_2_SPEC.pdf
- Catalog:
- Eaton_03771_V4T2_251_V4T2_252_V4T2_463_CAT.pdf
- Short Description:
- EATON MOLDED CASE CIRCUIT BREAKER ACCESSORY LINE AND LOAD TERMINAL, OPTIONAL LIN
MSRP $273.00Surplus $111.78 -
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Eaton 3TA400K6K Circuit Breaker Accessories Terminal Assembly
MSRP $223.00Surplus $116.36Eaton 3TA400K6K Circuit Breaker Accessories Terminal Assembly​ ARCA SKU: C15-2741 Brand: Eaton MPN: 3TA400K6K UPC: 786679094730 Shipping Weight: 1.10 Shipping Height: 5.00 In. Shipping...- SKU:
- C15-2741
- Poles:
- 3
- Short Description:
- EATON MOLDED CASE CIRCUIT BREAKER ACCESSORY MULTIWIRE CONNECTORS, MULTIWIRE CONN
MSRP $223.00Surplus $116.36 -
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Eaton 3TA631LK Circuit Breaker Accessories Terminal Assembly 400A
MSRP $117.00Surplus $65.48Eaton 3TA631LK Circuit Breaker Accessories Terminal Assembly 400A​ ARCA SKU: C15-4192 Brand: Eaton MPN: 3TA631LK UPC: 782116165599 Shipping Weight: 1.45 Shipping Height: 4.00 In. Shipping...- SKU:
- C15-4192
- Series:
- 3TA
- Type:
- Line and Load Lug
- Used On:
- G Series Molded Case Circuit Breaker
- Conductor Material:
- Copper/Aluminum
- Body Material:
- Aluminum
- Maximum Conductor Size:
- 750 KCMIL
- Minimum Conductor Size:
- 500 KCMIL
- Accessory Type:
- Lug
- Number of Conductors:
- 1
- Maximum Breaker Current Rating:
- 400 Amp
- Short Description:
- 400 A, 500 to 750 KCMIL, Copper/Aluminum, Aluminum Body, Line/Load Lug
- Catalog:
- Eaton_14666_V4T2_196_V4T2_518_CAT.pdf
MSRP $117.00Surplus $65.48 -
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Eaton 4217B37G05 Circuit Breaker Accessories Rotary Handle
MSRP $38.00Surplus $19.97Eaton 4217B37G05 Circuit Breaker Accessories Rotary Handle​ ARCA SKU: C15-3503 Brand: Eaton MPN: 4217B37G05 UPC: 786679165348 Shipping Weight: 1.00 Shipping Height: 2.00 In. Shipping...- SKU:
- C15-3503
- Type:
- Shaft
- Used On:
- F/J/K/L/MDL/MD/MDS/N Frame Molded Case Circuit Breaker Rotary Handle Mechanism
- Specification/Technical:
- Eaton_04521_1_2_SPEC.pdf
- Catalog:
- Eaton_03771_V4T2_502_V4T2_503_V4T2_515_CAT.pdf
- Short Description:
- EATON MOLDED CASE CIRCUIT BREAKER ACCESSORY HANDLE MECHANISM, SHAFT ASSEMBLY, RE
MSRP $38.00Surplus $19.97 -
Eaton 4218B80G03 Circuit Breaker Accessories MTG Hardware
MSRP $24.00Surplus $3.48Eaton 4218B80G03 Circuit Breaker Accessories MTG Hardware​ ARCA SKU: C15-4415 Brand: Eaton MPN: 4218B80G03 UPC: Shipping Weight: 0.15 Shipping Height: 1.00 In. Shipping...- SKU:
- C15-4415
- Type:
- MTG Hardware
MSRP $24.00Surplus $3.48
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