
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
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Eaton HND312T52WPN Molded Case Breakers (MCCBs) HND 3P 1200A 600V 50/60Hz 3Ph N Frame
MSRP $34,375.00Surplus $9,285.46SKU: C15-2226 Brand: Eaton MPN: HND312T52WPN UPC: 782113530284 Shipping Weight: 46.00 lbs. Shipping Height: 10.50 In. Shipping Length: 18.50 In. Shipping Width: 11.50...- SKU:
- C15-2226
- Frame Type:
- NG
- Voltage Rating:
- 600 V
- Current Rating:
- 1200 A
- Number of Poles:
- 3
- Interrupting Rating:
- 65 kA at 480 Vac 100 kA at 240 Vac
- Short Description:
- HND 3P 1200A OPTIM 550 LSI ICK550 PNK
MSRP $34,375.00Surplus $9,285.46 -
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Eaton HND3800T32W Molded Case Breakers (MCCBs) HND 3P 800A 600V 50/60Hz 3Ph N Frame
MSRP $39,855.00Surplus $11,213.55SKU: C15-2283 Brand: Eaton MPN: HND3800T32W UPC: 786679264027 Shipping Weight: 48.20 lbs. Shipping Height: 10.80 In. Shipping Length: 18.50 In. Shipping Width: 11.70...- SKU:
- C15-2283
- Series:
- C
- Approval:
- UL
- Approval:
- CSA
- Size:
- 8.25 Inch Width x 5.5 Inch Depth x 16 Inch Height
- Volts:
- 600 VAC at 50/60 Hertz
- Amps:
- 32 A
- Poles:
- 3
- Interrupting Rating:
- 100 kA at 240 VAC
- Interrupting Rating:
- 65 kA at 480 Volt AC
- Interrupting Rating:
- 35 kA at 600 Volt AC (UL 489)
- Terminal Type:
- Not Included
- Frame Type:
- HND
- Maximum AC Voltage Rating (V):
- 600
- Short Description:
- 600 VAC 50/60 Hz, 800 A, 100 kA, 3-Pole, HND Frame, DigiTrip OPTIM 310 LSI Electronic Trip, Non-Interchangeable Trip
- Catalog:
- Eaton_46579_V4T2_254_V4T2_255_V4T2_360-V4T2_374_CAT.pdf
- Installation/Operator:
- Eaton_00081_INST.pdf
- Voltage Rating:
- 600 VAC
- Current Rating:
- 800 A
- Number of Poles:
- 3
MSRP $39,855.00Surplus $11,213.55 -
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Eaton HND3800T33W Molded Case Breakers (MCCBs) HND 3P 800A 600V 50/60Hz 3Ph N Frame
MSRP $39,260.00Surplus $8,921.49SKU: C15-3628 Brand: Eaton MPN: HND3800T33W UPC: 786679264003 Shipping Weight: 46.25 lbs. Shipping Height: 11.00 In. Shipping Length: 19.00 In. Shipping Width: 12.00...- SKU:
- C15-3628
- Frame Type:
- HND
- Voltage Rating:
- 600 VAC
- Current Rating:
- 32 A
- Number of Poles:
- 3
- Interrupting Rating:
- 65 kA at 480 VAC,35 kA at 600 VAC
- Type:
- Molded Case
- Maximum AC Voltage Rating:
- 600
- Terminal Type:
- Not Included
- Size:
- 8.25 Inch W x 5.5 Inch D x 16 Inch H
- Short Description:
- 600 VAC 50/60 Hz, 800 A, 65/35 kA, 3-Pole, HND Frame, Electronic, Molded Case
- Catalog:
- Eaton_27487_V4T2_254_V4T2_255_V4T2_360_V4T2_361_CAT.pdf
- Installation/Operator:
- Eaton_00122_INST.pdf
- Specification/Technical:
- Eaton_07920_1_2_SPEC.pdf
- Series:
- C
MSRP $39,260.00Surplus $8,921.49 -
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Eaton HND3800T36W Molded Case Breakers (MCCBs) HND 3P 800A 600V 50/60Hz 3Ph N Frame
MSRP $57,290.00Surplus $12,560.17SKU: C15-2335 Brand: Eaton MPN: HND3800T36W UPC: 786679264065 Shipping Weight: 50.85 lbs. Shipping Height: 11.00 In. Shipping Length: 22.00 In. Shipping Width: 12.00...- SKU:
- C15-2335
- Series:
- C
- Volts:
- 600 V
- Amps:
- 800 A
- Poles:
- 3
- Frequency Rating:
- 50/60 Hz
- Frame:
- N
- Short Description:
- EATON SERIES C ELECTRONIC MOLDED CASE CIRCUIT BREAKER, NG-FRAME, HND, DIGITRIP 3
MSRP $57,290.00Surplus $12,560.17 -
Eaton HNW3800T33W Molded Case Breakers (MCCBs) HNW 3P 800A 690V 50/60Hz 3Ph N Frame
MSRP $39,371.00Surplus $12,327.44SKU: C15-2461 Brand: Eaton MPN: HNW3800T33W UPC: 786679267660 Shipping Weight: 46.00 lbs. Shipping Height: 6.00 In. Shipping Length: 17.00 In. Shipping Width: 9.00 In...- SKU:
- C15-2461
- Series:
- C
- Volts:
- 690 V
- Amps:
- 800 A
- Poles:
- 3
- Frequency Rating:
- 50/60 Hz
- Frame:
- N
- Short Description:
- EATON SERIES C ELECTRONIC MOLDED CASE CIRCUIT BREAKER, N-FRAME, HNW, COMPLETE BR
- Country of Origin:
- United States
MSRP $39,371.00Surplus $12,327.44 -
Eaton HQP1015 Miniature Circuit Breakers (MCBs) 1P 15A 120V NULL EA
MSRP $76.56Surplus $23.02Eaton HQP1015 Miniature Circuit Breakers (MCBs) 1P 15A 120V NULL EA​ ARCA SKU: C15-5580 Brand: Eaton MPN: HQP1015 UPC: 78667934315 Shipping Weight: 0.25 lbs. Shipping Height: 1.00 In...- SKU:
- C15-5580
- TS PIK:
- 21509577
- Voltage Rating:
- 120/240 VAC
- Terminal Type:
- Plug-On
- Series:
- HQP
- Short Description:
- 120/240 VAC, 15 A, 10 kA, 1-Pole, Female Clip Terminal, Plug-On Mount, Thermal Magnetic, Miniature, Circuit Breaker
- Type:
- Thermal Magnetic
- Number of Poles:
- 1
- Current Rating:
- 15 A
- Catalog:
- Eaton_03771_V4T1_5_V4T1_6_CAT.pdf
- 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
- Mounting:
- Plug-On
- Country of Origin:
- Dominican Republic
MSRP $76.56Surplus $23.02 -
Eaton HQP3015H Miniature Circuit Breakers (MCBs) EA
MSRP $542.59Surplus $54.96Eaton HQP3015H Miniature Circuit Breakers (MCBs) EA​ ARCA SKU: C15-5272 Brand: Eaton MPN: HQP3015H UPC: 78667934450 Shipping Weight: 0.95 lbs. Shipping Height: 5.00 In. Shipping...- SKU:
- C15-5272
- Approval:
- UL 489
- Approval:
- CSA
- Amps:
- 15 A
- Interrupting Rating:
- 10000 A at 240 VAC
- Mounting:
- Plug-On
- Poles:
- 3
- Size:
- 3.2 Inch Width x 3.8 Inch Depth x 4.9 Inch Height
- Terminal Type:
- Steel Box Lug Standard Load
- Type:
- Fixed Thermal Magnetic
- Type:
- Non-Interchangeable Trip
- Type:
- Miniature
- Volts:
- 240 VAC 60 Hertz
- Gauge:
- 14 to 4 AWG Copper/Aluminum (Standard Load)
- Number of Poles:
- 3
- Catalog:
- Eaton_03771_V4T1_2_V4T1_5_V4T1_6_V4T1_46_CAT.pdf
- Voltage Rating:
- 240 VAC 60 Hertz
- Current Rating:
- 15 A
- Wire Size:
- 14 to 4 AWG Copper/Aluminum (Standard Load)
- Short Description:
- QUICkLAG INDUSTRIAL CIRCUIT BREAkER, 15A, THREE-POLE, 240V, 10 kAIC, THERMAL-MAG
- Country of Origin:
- Dominican Republic
MSRP $542.59Surplus $54.96 -
Eaton HQP3020H Miniature Circuit Breakers (MCBs) HQP 3P 20A 240V 50/60Hz 3Ph
MSRP $450.00Surplus $70.97Eaton HQP3020H Miniature Circuit Breakers (MCBs) HQP 3P 20A 240V 50/60Hz 3Ph​ ARCA SKU: C15-3262 Brand: Eaton MPN: HQP3020H UPC: 786679344514 Shipping Weight: 0.95 Shipping Height: 3.00 In...- SKU:
- C15-3262
- Approval:
- UL 489
- Approval:
- CSA
- Amps:
- 20 A
- Interrupting Rating:
- 10000 A at 240 VAC
- Mounting:
- Plug-On
- Poles:
- 3
- Size:
- 3 Inch Width x 3 Inch Depth x 2.8 Inch Height
- Terminal Type:
- Steel Box Lug Standard Load
- Type:
- Fixed Thermal Magnetic
- Type:
- Non-Interchangeable Trip
- Type:
- Miniature
- Volts:
- 240 VAC 60 Hertz
- Gauge:
- 14 to 4 AWG Copper/Aluminum (Standard Load)
- Current Rating:
- 20 A
- Voltage Rating:
- 240 VAC
- Number of Poles:
- 3
- Catalog:
- Eaton_03771_V4T1_2_V4T1_5_V4T1_6_V4T1_46_CAT.pdf
- Wire Size:
- 14 to 4 AWG Copper/Aluminum (Standard Load)
- Short Description:
- EATON QUICkLAG INDUSTRIAL CIRCUIT BREAkER, 20A, THREE-POLE, 240V, 10 kAIC, THERM
- Series:
- HQP
- Country of Origin:
- Dominican Republic
MSRP $450.00Surplus $70.97 -
Eaton HQP3030H Miniature Circuit Breakers (MCBs) HQP 3P 30A 240V 50/60Hz 3Ph
MSRP $480.00Surplus $198.59Eaton HQP3030H Miniature Circuit Breakers (MCBs) HQP 3P 30A 240V 50/60Hz 3Ph​ ARCA SKU: C15-4149 Brand: Eaton MPN: HQP3030H UPC: 786679344521 Shipping Weight: 0.95 Shipping Height: 4.90 In...- SKU:
- C15-4149
- Approval:
- UL 489
- Approval:
- CSA
- Amps:
- 30 A
- Interrupting Rating:
- 10000 A at 240 VAC
- Mounting:
- Plug-On
- Poles:
- 3
- Size:
- 3.1 Inch Width x 3.8 Inch Depth x 4.9 Inch Height
- Terminal Type:
- Steel Box Lug Standard Load
- Type:
- Fixed Thermal Magnetic
- Type:
- Non-Interchangeable Trip
- Type:
- Miniature
- Volts:
- 240 VAC 60 Hertz
- Gauge:
- 14 to 4 AWG Copper/Aluminum (Standard Load)
- Current Rating:
- 30 A
- Number of Poles:
- 3
- Voltage Rating:
- 240 VAC 60 Hertz
- Wire Size:
- 14 to 4 AWG Copper/Aluminum (Standard Load)
- Catalog:
- Eaton_03771_V4T1_2_V4T1_5_V4T1_6_V4T1_46_CAT.pdf
MSRP $480.00Surplus $198.59 -
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Eaton HRU0757224 Molded Case Breakers (MCCBs) 3P 100A 600V 50/60Hz 3Ph
MSRP $10,000.00Surplus $2,332.35SKU: C15-4357 Brand: Eaton MPN: HRU0757224 UPC: Shipping Weight: 49.55 lbs. Shipping Height: 21.00 In. Shipping Length: 23.00 In. Shipping Width: 21.00 In. Product...- SKU:
- C15-4357
- Voltage Rating:
- 600 V
- Current Rating:
- 100 A
- Number of Poles:
- 3
- Short Description:
- 3P 100A 600V 50/60Hz 3Ph
MSRP $10,000.00Surplus $2,332.35 -
Eaton HTBFD2P Circuit Breaker Accessories Handle Tie 2P F Frame
MSRP $6.00Surplus $3.44Eaton HTBFD2P Circuit Breaker Accessories Handle Tie 2P F Frame​ ARCA SKU: C15-2042 Brand: Eaton MPN: HTBFD2P UPC: 786679164198 Shipping Weight: 0.50 Shipping Height: 0.00 In. Shipping...- SKU:
- C15-2042
- Poles:
- 2
- Type:
- Handle Tie
- Short Description:
- 7" x 5" x 0.5", 2-Pole, Handle Tie for C Series F Frame Molded Case Circuit Breaker
- Specification/Technical:
- EatonCorp_00431_1_2_SPEC.pdf
- Catalog:
- EatonCorp_00274_V4T2_459_CAT.pdf
- Country of Origin:
- Dominican Republic
MSRP $6.00Surplus $3.44 -
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Eaton HTBFD3P Circuit Breaker Accessories Handle Tie 3P F Frame
MSRP $6.00Surplus $2.03Eaton HTBFD3P Circuit Breaker Accessories Handle Tie 3P F Frame​ ARCA SKU: C15-2043 Brand: Eaton MPN: HTBFD3P UPC: 786679164211 Shipping Weight: 0.50 Shipping Height: 0.00 In. Shipping...- SKU:
- C15-2043
- Poles:
- 3
- Type:
- Handle Tie
- Short Description:
- 7" x 5" x 0.5", 3-Pole, Handle Tie for C Series F Frame Molded Case Circuit Breaker
- Specification/Technical:
- EatonCorp_00432_1_2_SPEC.pdf
- Catalog:
- EatonCorp_00274_V4T2_459_CAT.pdf
MSRP $6.00Surplus $2.03 -
Eaton INK100 Circuit Breaker Accessories
MSRP $247.88Surplus $78.64Eaton INK100 Circuit Breaker Accessories​ ARCA SKU: L19-2373 Brand: Eaton MPN: INK100 UPC: 78178625506 Shipping Weight: 0.50 lbs. Shipping Height: 2.00 In. Shipping...- SKU:
- L19-2373
- Type:
- Insulated Groundable Neutral
- Amps:
- 100 A
- Used On:
- Molded Case Circuit Breaker
- Conductor Material:
- Aluminum/Copper
- Main Conductor Size:
- (1) 14 to 1/0 AWG
- Ground Conductor Size:
- (1) 14 to 1/0 AWG
- Short Description:
- 100 A, (1) 14 to 1/0 AWG Ground/Main, Insulated and Groundable
- Catalog:
- Eaton_27487_V4T2_475_CAT.pdf
- TS PIK:
- 21507692
- Country of Origin:
- United States
MSRP $247.88Surplus $78.64 -
Eaton INK250 Circuit Breaker Accessories
MSRP $407.48Surplus $177.27SKU: C15-5178 Brand: Eaton MPN: INK250 UPC: 10786679255237 Shipping Weight: 0.85 lbs. Shipping Height: 3.00 In. Shipping Length: 6.00 In. Shipping Width: 5.00 In...- SKU:
- C15-5178
- TS PIK:
- 110193524
- Short Description:
- 250 A, (1) 4 AWG to 300 KCMIL Ground, (1) 6 AWG to 350 KCMIL Main, Insulated and Groundable, Circuit Breaker Neutral Kit
- Used On:
- Molded Case Circuit Breaker
- Type:
- Insulated Groundable Neutral
- Catalog:
- Eaton_27487_V4T2_475_CAT.pdf
- Country of Origin:
- United States
- Conductor Material:
- Copper/Aluminum
- Accessory Type:
- Neutral Kit
MSRP $407.48Surplus $177.27 -
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Eaton INK600 Circuit Breaker Accessories
MSRP $656.57Surplus $505.40SKU: C15-5760 Brand: Eaton MPN: INK600 UPC: Shipping Weight: 1.90 lbs. Shipping Height: 5.00 In. Shipping Length: 9.00 In. Shipping Width: 5.00 In. Product...- SKU:
- C15-5760
- Used On:
- C/G Series Enclosed Molded Case Circuit Breaker
- Type:
- Insulated and Groundable
- Catalog:
- Eaton_03771_V4T2_441_CAT.pdf
MSRP $656.57Surplus $505.40 -
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Eaton IPB1 Circuit Breaker Accessories Barrier Kit F Frame EA
MSRP $70.00Surplus $16.61Eaton IPB1 Circuit Breaker Accessories Barrier Kit F Frame EA​ ARCA SKU: C15-2020 Brand: Eaton MPN: IPB1 UPC: 786679304822 Shipping Weight: 0.10 lbs. Shipping Height: 1.00 In...- SKU:
- C15-2020
- Frame:
- F
- Short Description:
- EATON MOLDED CASE CIRCUIT BREAKER ACCESSORY INTERPHASE BARRIER, INTERPHASE BARRI
- TS PIK:
- 107001072
MSRP $70.00Surplus $16.61 -
Eaton IPB3 Circuit Breaker Accessories Interphase Barrier Kit K & J Frame EA
MSRP $88.00Surplus $23.05Eaton IPB3 Circuit Breaker Accessories Interphase Barrier Kit K & J Frame EA​ ARCA SKU: C15-2017 Brand: Eaton MPN: IPB3 UPC: 786679114278 Shipping Weight: 0.20 lbs. Shipping...- SKU:
- C15-2017
- Frame:
- K & J
- Short Description:
- EATON MOLDED CASE CIRCUIT BREAKER ACCESSORY INTERPHASE BARRIER, INTERPHASE BARRI
- TS PIK:
- 106998154
- Country of Origin:
- United States
MSRP $88.00Surplus $23.05 -
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Eaton IPB34 Circuit Breaker Accessories EA
MSRP $67.38Surplus $17.59Eaton IPB34 Circuit Breaker Accessories EA​ ARCA SKU: C15-8774 Brand: Eaton MPN: IPB34 UPC: 10786679072629 Shipping Weight: 0.25 lbs. Shipping Height: 1.00 In. Shipping...- SKU:
- C15-8774
- Country of Origin:
- United States
- Short Description:
- EATON MOLDED CASE CIRCUIT BREAKER ACCESSORY INTERPHASE BARRIER, EATON MOLDED CAS
MSRP $67.38Surplus $17.59 -
Eaton IPB5 Circuit Breaker Accessories
MSRP $155.97Surplus $54.06Eaton IPB5 Circuit Breaker Accessories​ ARCA SKU: C15-2934 Brand: Eaton MPN: IPB5 UPC: 10786679225506 Shipping Weight: 0.20 lbs. Shipping Height: 1.00 In. Shipping...- SKU:
- C15-2934
- Short Description:
- EATON MOLDED CASE CIRCUIT BREAKER ACCESSORY BARRIER KIT ACCESSORY, INTERPHASE BA
- UOM:
- EA
- Type:
- Interphase Barrier Kit
- Frame Type:
- N
- Box Quantity:
- 1
- TS PIK:
- 106999738
- Country of Origin:
- United States
MSRP $155.97Surplus $54.06 -
Eaton IQ35M-ENC DIN Rail and Accessories EA
MSRP $293.07Surplus $105.83Eaton IQ35M-ENC DIN Rail and Accessories EA​ ARCA SKU: C26-7288 Brand: Eaton MPN: IQ35M-ENC UPC: 78668547172 Shipping Weight: 2.80 lbs. Shipping Height: 6.00 In. Shipping...- SKU:
- C26-7288
- Short Description:
- IQ35M ENCLOSURE_ NEMA 4X
- UOM:
- EA
- Type:
- ENERGY METER DIN RAIL ENCLOSURE
- Box Quantity:
- 1
- Enclosure:
- NEMA 4X
MSRP $293.07Surplus $105.83
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.