Circuit Breakers
Circuit Breakers - Source rare and hard-to-find breakers with ease
At ARCA Supply, we know that circuit breakers are essential to safeguarding electrical systems, protecting them from overloads and short circuits. Whether you're managing a commercial facility, maintaining industrial equipment, or working on residential projects, having the right circuit breakers ensures uninterrupted performance and peace of mind.
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.
Explore Our Circuit Breaker Categories:
- Air Circuit Breakers (ACBs): Ideal for large-scale industrial applications, ACBs provide superior protection in high-current scenarios.
- Din Rail Mounted Circuit Breakers: These breakers are designed for quick installation in compact spaces, making them perfect for modular setups.
- Main Breakers: As a crucial part of any electrical system, main breakers ensure that circuits are effectively managed and protected from faults.
- Miniature Circuit Breakers (MCBs): Designed for residential and commercial use, MCBs are essential for protecting lower power circuits from damage.
- Molded Case Breakers (MCCBs): When high current protection is needed, MCCBs offer robust and durable performance.
- Motor Circuit Protectors (MCPs): Specifically engineered to protect motors, MCPs offer fast response times to prevent equipment damage.
- Circuit Breaker Accessories: From trip units to mounting kits, we stock a variety of accessories to enhance the functionality of your breakers.
Leading Brands We Carry:
At ARCA Supply, we carry a comprehensive lineup of top brands to ensure you get the best quality and reliability. Our inventory includes trusted names such as Eaton, Square D, Siemens, and General Electric. With over 2,600 Eaton products and hundreds from brands like ABB, Schneider Electric, and Leviton, you can be confident in finding exactly what you need.
Choose the Right Circuit Breaker:
When selecting a circuit breaker, factors such as current rating, voltage rating, and mounting style are critical. Our range includes options for:
- Current Ratings: From 15A to 600A, ensuring the right protection for every application.
- Voltage Ratings: With options ranging from 120V to 600V for both AC and DC applications.
- Mounting Types: Choose from plug-on, DIN rail, or bolt-on mountings to match your installation requirements.
Why Choose ARCA Supply?
As a trusted distributor specializing in hard-to-find electrical components, we ensure that our circuit breakers meet the highest industry standards. Our commitment to the circular economy also means that unsold products are responsibly recycled, helping to reduce waste while supporting your projects.
Explore our extensive collection of circuit breakers today and find the perfect solution for your electrical system’s needs.
-
Air Circuit Breakers (ACBs)
-
Din Rail Mounted Circuit Breakers
-
Main Breakers
-
Miniature Circuit Breakers (MCBs)
-
Molded Case Breakers (MCCBs)
-
Motor Circuit Protector (MCPs)
-
Circuit Breaker Accessories
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
-
Eaton HKD3400W Molded Case Breakers (MCCBs) 3P 400A
MSRP $11,000.00Surplus $1,718.41SKU: C15-4040 Brand: Eaton MPN: HKD3400W UPC: 78667934294 Shipping Weight: 10.95 lbs. Shipping Height: 6.00 In. Shipping Length: 12.00 In. Shipping Width: 7.00 In...- SKU:
- C15-4040
- Approval:
- UL 489
- Approval:
- CSA C22.2
- Amps:
- 400 A
- Frame:
- KD
- Interrupting Rating:
- 65 kA at 480 VAC
- Interrupting Rating:
- 35 Kiloamp at 600 Volt AC
- Interrupting Rating:
- 22 Kiloamp at 250 Volt DC (NEMA/UL/CSA)
- Interrupting Rating:
- 65 Kiloamp at 380/415 Volt AC
- Interrupting Rating:
- 22 Kiloamp at 250 Volt DC (IEC)
- Maximum AC Voltage:
- 600 V
- Maximum DC Voltage:
- 250 V
- Poles:
- 3
- Size:
- 5.49 Inch Width x 4.06 Inch Depth x 10.13 Inch Height
- Terminal Type:
- Line and Load
- Type:
- Thermal Magnetic
- Type:
- High Interrupting Capacity
- Type:
- Molded Case
- Volts:
- 600 VAC 50/60 Hertz
- Volts:
- 250 VDC
- TS PIK:
- 200192
- Number of Poles:
- 3
- Maximum AC Voltage Rating:
- 600 V
- Voltage Rating:
- 600 VAC 50/60 Hertz, 250 VDC
- CAD Drawings:
- Eaton_62668_1_CAD.pdf
- Installation/Operator:
- Eaton_00085_INST.pdf
- Catalog:
- EatonCorp-CutlerHammer_00123_V4T2_254_V4T2_255_V4T2_258_V4T2_299-V4T2_322_CAT.pdf
- Frame Type:
- KD
- Current Rating:
- 400 A
- Maximum DC Voltage Rating:
- 250 V
- Country of Origin:
- Dominican Republic
MSRP $11,000.00Surplus $1,718.41 -
Eaton HKDDC3225WF01 Molded Case Breakers (MCCBs) HKDDC 3P 225A 600V 50/60Hz 3Ph K Frame
MSRP $9,495.00Surplus $2,046.66SKU: C15-2406 Brand: Eaton MPN: HKDDC3225WF01 UPC: 786685584089 Shipping Weight: 8.00 lbs. Shipping Height: 6.50 In. Shipping Length: 12.50 In. Shipping Width: 7.00...- SKU:
- C15-2406
- Series:
- C
- Volts:
- 600 V
- Amps:
- 225 A
- Poles:
- 3
- Frequency Rating:
- 50/60 Hz
- Frame:
- K
- Short Description:
- Series C DC/PvGard complete molded case circuit breaker, K-frame, HKD, Complete breaker, Interchangeable thermal-magnetic trip type, Three-pole, 225A, 600 Vac, 250 Vdc, 42 kAIC at 600 Vac, Without terminals, Vdc, Freeze tested
- Current Rating:
- 225 A
- Country of Origin:
- Dominican Republic
MSRP $9,495.00Surplus $2,046.66 -
Eaton HKDDC3250 Molded Case Breakers (MCCBs) HKD 3P 250A 120V 50/60Hz 3Ph
MSRP $8,575.00Surplus $2,014.41SKU: C15-1849 Brand: Eaton MPN: HKDDC3250 UPC: 786679071373 Shipping Weight: 8.00 lbs. Shipping Height: 5.00 In. Shipping Length: 5.00 In. Shipping Width: 5.00 In...- SKU:
- C15-1849
- Series:
- C
- Volts:
- 120 V
- Amps:
- 250 A
- Poles:
- 3
- Frequency Rating:
- 50/60 Hz
- Short Description:
- EATON SERIES C DC/PVGARD COMPLETE MOLDED CASE CIRCUIT BREAKER, K-FRAME, HKD, COM
- Country of Origin:
- Dominican Republic
MSRP $8,575.00Surplus $2,014.41 -
Eaton HKDDC3250WF01 Molded Case Breakers (MCCBs) HKDDC 3P 250A 600V 50/60Hz 3Ph K Frame
MSRP $9,495.00Surplus $2,115.55SKU: C15-1911 Brand: Eaton MPN: HKDDC3250WF01 UPC: 786685584096 Shipping Weight: 8.00 lbs. Shipping Height: 6.50 In. Shipping Length: 12.50 In. Shipping Width: 7.00...- SKU:
- C15-1911
- Series:
- C
- Volts:
- 600 V
- Amps:
- 250 A
- Poles:
- 3
- Frequency Rating:
- 50/60 Hz
- Frame:
- K
- Short Description:
- Series C DC/PvGard complete molded case circuit breaker, K-frame, HKD, Complete breaker, Interchangeable thermal-magnetic trip type, Three-pole, 250A, 600 Vac, 250 Vdc, 42 kAIC at 600 Vac, Without terminals, Vdc, Freeze tested
- Frame Type:
- K
- Voltage Rating:
- 600 VAC
- Interrupting Rating:
- 42 kA
- Current Rating:
- 250 A
- Number of Poles:
- 3
- Country of Origin:
- Dominican Republic
MSRP $9,495.00Surplus $2,115.55 -
Eaton HKDDC3400 Molded Case Breakers (MCCBs) HKDDC 3P 400A 600V 50/60Hz 3Ph K Frame
MSRP $8,575.00Surplus $1,740.95SKU: C15-1839 Brand: Eaton MPN: HKDDC3400 UPC: 782114206720 Shipping Weight: 3.00 lbs. Shipping Height: 5.00 In. Shipping Length: 5.00 In. Shipping Width: 5.00 In...- SKU:
- C15-1839
- Series:
- C
- Volts:
- 600 V
- Amps:
- 400 A
- Poles:
- 3
- Frequency Rating:
- 50/60 Hz
- Frame:
- K
- Short Description:
- EATON SERIES C DC/PVGARD COMPLETE MOLDED CASE CIRCUIT BREAKER, K-FRAME, HKD, COM
- Country of Origin:
- Dominican Republic
MSRP $8,575.00Surplus $1,740.95 -
Eaton HKDDC3400W Molded Case Breakers (MCCBs) HKDDC 3P 400A 600V 50/60Hz 3Ph K Frame
MSRP $9,078.79Surplus $1,694.68SKU: C15-2413 Brand: Eaton MPN: HKDDC3400W UPC: 786685493640 Shipping Weight: 10.50 lbs. Shipping Height: 6.00 In. Shipping Length: 11.00 In. Shipping Width: 6.00 In...- SKU:
- C15-2413
- Series:
- C
- Volts:
- 600 V
- Amps:
- 400 A
- Poles:
- 3
- Frequency Rating:
- 50/60 Hz
- Frame:
- K
- Short Description:
- Series C DC/PvGard complete molded case circuit breaker, K-frame, HKD, Complete breaker, Interchangeable thermal-magnetic trip type, Three-pole, 400A, 600 Vac, 250 Vdc, 42 kAIC at 600 Vac, Line and load, Vdc
- Number of Poles:
- 3
- Current Rating:
- 400 A
- Country of Origin:
- Dominican Republic
MSRP $9,078.79Surplus $1,694.68 -
Eaton HKW3315V Molded Case Breakers (MCCBs) HKW 3P 315A 600V 50/60Hz 3Ph K Frame EA
MSRP $11,995.13Surplus $3,084.30SKU: C15-2255 Brand: Eaton MPN: HKW3315V UPC: 782116941117 Shipping Weight: 11.84 lbs. Shipping Height: 6.50 In. Shipping Length: 12.00 In. Shipping Width: 7.00 In...- SKU:
- C15-2255
- Series:
- C
- Volts:
- 600 V
- Amps:
- 315 A
- Poles:
- 3
- Frequency Rating:
- 50/60 Hz
- Frame:
- K
- Short Description:
- EATON SERIES C COMPLETE MOLDED CASE CIRCUIT BREAKER, K-FRAME, HKW, COMPLETE BREA
- TS PIK:
- 121524874
- Country of Origin:
- Dominican Republic
MSRP $11,995.13Surplus $3,084.30 -
Eaton HLA3070T Molded Case Breakers (MCCBs) 3P 70A 50/60Hz 3Ph EA
MSRP $6,833.13Surplus $1,837.50SKU: U00-3249 Brand: Eaton MPN: HLA3070T UPC: 78667976829 Shipping Weight: 2.50 lbs. Shipping Height: 6.00 In. Shipping Length: 9.00 In. Shipping Width: 6.00 In...- SKU:
- U00-3249
MSRP $6,833.13Surplus $1,837.50 -
Eaton HLD2600 Molded Case Breakers (MCCBs)
MSRP $15,405.96Surplus $5,665.78SKU: C15-4878 Brand: Eaton MPN: HLD2600 UPC: 78667902302 Shipping Weight: 17.80 lbs. Shipping Height: 8.00 In. Shipping Length: 13.00 In. Shipping Width: 11.00 In...- SKU:
- C15-4878
- TS PIK:
- 126885171
MSRP $15,405.96Surplus $5,665.78 -
Eaton HLD3400 Molded Case Breakers (MCCBs) HLD 3P 400A 600V 50/60Hz 3Ph L Frame
MSRP $22,350.00Surplus $5,826.73SKU: C15-3684 Brand: Eaton MPN: HLD3400 UPC: Shipping Weight: 16.55 lbs. Shipping Height: 5.00 In. Shipping Length: 9.00 In. Shipping Width: 11.00 In. Product...- SKU:
- C15-3684
- Frame Type:
- L
- Voltage Rating:
- 600 VAC
- Current Rating:
- 32 A
- Number of Poles:
- 3
- Interrupting Rating:
- 65 kA at 480 VAC
- Type:
- Molded Case
- Maximum AC Voltage Rating:
- 600 VAC
- Maximum DC Voltage Rating:
- 250 VDC
- Terminal Type:
- Line and Load Terminal
- Size:
- 8.25 Inch Width x 4.06 Inch Depth x 10.75 Inch Height
- Short Description:
- 600 VAC 50/60 Hz, 250 VDC, 400 A, 65 kA at 480 VAC, 3-Pole, Line and Load Terminal, L-Frame, High Interrupting Capacity, Interchangeable Trip Unit, Thermal Magnetic Switch
- Catalog:
- Eaton_14666_V4T2_326_CAT.pdf
- Installation/Operator:
- EatonCorp-CutlerHammer_00006_INST.pdf
- Specification/Technical:
- EatonCorp-CutlerHammer_00043_1_2_SPEC.pdf
- Series:
- C, HLD
- Country of Origin:
- United States
- Approval:
- UL, CE
MSRP $22,350.00Surplus $5,826.73 -
Eaton HLD3600 Molded Case Breakers (MCCBs) HLD 3P 600A 600V 50/60Hz 3Ph L Frame EA
MSRP $18,046.68Surplus $4,454.57SKU: C15-1850 Brand: Eaton MPN: HLD3600 UPC: 786679009611 Shipping Weight: 17.00 lbs. Shipping Height: 7.70 In. Shipping Length: 13.30 In. Shipping Width: 10.90 In...- SKU:
- C15-1850
- Frame Type:
- L
- Voltage Rating:
- 600 VAC
- Current Rating:
- 32 A
- Number of Poles:
- 3
- Interrupting Rating:
- 65 kA at 480 VAC
- Type:
- Molded Case
- Maximum AC Voltage Rating:
- 600 VAC
- Maximum DC Voltage Rating:
- 250 VDC
- Terminal Type:
- Line and Load Terminal
- Size:
- 8.25 Inch Width x 4.06 Inch Depth x 10.75 Inch Height
- Short Description:
- 600 VAC 50/60 Hz, 250 VDC, 600 A, 65 kA, 3-Pole, HLD Frame, Thermal Magnetic, Molded Case
- Catalog:
- Eaton_27487_V4T2_254_V4T2_255_V4T2_323_V4T2_324_CAT.pdf
- Specification/Technical:
- Eaton_13801_1_2_SPEC.pdf
- TS PIK:
- 110190246
- Series:
- C
- Approval:
- UL, CE
MSRP $18,046.68Surplus $4,454.57 -
Eaton HLD3600F Molded Case Breakers (MCCBs) HLD 3P 600A 600V 50/60Hz 3Ph L Frame EA
MSRP $13,737.02Surplus $3,013.02SKU: C15-1673 Brand: Eaton MPN: HLD3600F UPC: 786679138014 Shipping Weight: 15.05 lbs. Shipping Height: 8.00 In. Shipping Length: 11.00 In. Shipping Width: 9.00 In...- SKU:
- C15-1673
- Approval:
- UL 489
- Approval:
- CSA C22.2
- Approval:
- CE
- Amps:
- 600 A
- Interrupting Rating:
- 65 kA at 480 VAC
- Interrupting Rating:
- 35 Kiloamp at 600 Volt AC
- Interrupting Rating:
- 25 Kiloamp at 250 Volt DC (UL)
- Interrupting Rating:
- 70 Kiloamp at 415 Volt AC
- Interrupting Rating:
- 25 Kiloamp at 690 Volt AC
- Interrupting Rating:
- 20 Kiloamp at 250 Volt DC (IEC)
- Maximum AC Voltage:
- 600 V
- Maximum DC Voltage:
- 250 V
- Poles:
- 3
- Size:
- 8.25 Inch Width x 4.06 Inch Depth x 10.75 Inch Height
- Terminal Type:
- Aluminum Standard Pressure Line and Load
- Type:
- Fixed Thermal Magnetic
- Type:
- LD Frame
- Volts:
- 600 VAC 50/60 Hertz
- Volts:
- 250 VDC
- Short Description:
- 600 VAC 50/60 Hz, 250 VDC, 600 A, 3-Pole, 100/60 kA Interrupt, L Frame, Fixed Thermal Magnetic, High Interrupting, HLD, Molded Case Circuit Breaker Frame
- Specification/Technical:
- images.tradeservi ...
- TS PIK:
- 21505000
- Voltage Rating:
- 600 VAC 50/60 Hertz, 250 VDC
- Installation/Operator:
- EatonCorp_00026_INST.pdf
- Number of Poles:
- 3
- Catalog:
- EatonCorp_00274_V4T2_329-V4T2_332_CAT.pdf
- Maximum AC Voltage Rating:
- 600 V
- Maximum DC Voltage Rating:
- 250 V
- Current Rating:
- 600 A
- Frame Type:
- L
- Country of Origin:
- United States
MSRP $13,737.02Surplus $3,013.02 -
Eaton HLK4 Circuit Breaker Accessories Handle Lock Hasp LD Frame EA Watertight/Oiltight
MSRP $117.78Surplus $61.58Eaton HLK4 Circuit Breaker Accessories Handle Lock Hasp LD Frame EA Watertight/Oiltight​ ARCA SKU: C15-1734 Brand: Eaton MPN: HLK4 UPC: 786679401040 Shipping Weight: 0.35 lbs. Shipping...- SKU:
- C15-1734
- Series:
- C
- Type:
- Padlockable
- Type:
- HASP
- Used On:
- L/M Frame Circuit Breaker
- Accessory Type:
- Handle Accessories
- Locking Provision:
- On/Off
- Short Description:
- ON/OFF Locking Provision, Side Mount, Padlockable, HASP
- Catalog:
- Eaton_27487_V4T2_455_V4T2_494_V4T2_518_CAT.pdf
- TS PIK:
- 107002907
- Country of Origin:
- United States
MSRP $117.78Surplus $61.58 -
Eaton HLK4SOFF Circuit Breaker Accessories Hasp Lock Off Only J-K Frame
MSRP $117.78Surplus $34.75Eaton HLK4SOFF Circuit Breaker Accessories Hasp Lock Off Only J-K Frame​ ARCA SKU: C15-3662 Brand: Eaton MPN: HLK4SOFF UPC: 786679009758 Shipping Weight: 0.65 Shipping Height: 2.00 In...- SKU:
- C15-3662
- Frame:
- J-K
- Short Description:
- EATON MOLDED CASE CIRCUIT BREAKER ACCESSORY HANDLE MECHANISM, PADLOCKABLE HANDLE
- Country of Origin:
- United States
MSRP $117.78Surplus $34.75 -
Eaton HM3R06 Circuit Breaker Accessories
MSRP $177.00Surplus $69.16SKU: C15-11636 Brand: Eaton MPN: HM3R06 UPC: Shipping Weight: 4.55 lbs. Shipping Height: 6.00 In. Shipping Length: 20.00 In. Shipping Width: 10.00 In. Product...- SKU:
- C15-11636
- Catalog:
- Eaton_03771_V4T2_514_V4T2_515_CAT.pdf
MSRP $177.00Surplus $69.16 -
Eaton HMCC1R Circuit Breaker Accessories EA
MSRP $311.00Surplus $46.19Eaton HMCC1R Circuit Breaker Accessories EA​ ARCA SKU: C15-5139 Brand: Eaton MPN: HMCC1R UPC: 00782114396933 Shipping Weight: 1.05 Shipping Height: 5.00 In. Shipping Length: 8...- SKU:
- C15-5139
- Short Description:
- F FR DIRECT ROTARY HANDLE(RED) IEC RATED
- Country of Origin:
- Canada
MSRP $311.00Surplus $46.19 -
Eaton HMCC3B Circuit Breaker Accessories
MSRP $252.00Surplus $104.06SKU: C15-11657 Brand: Eaton MPN: HMCC3B UPC: Shipping Weight: 1.10 lbs. Shipping Height: 5.00 In. Shipping Length: 7.00 In. Shipping Width: 6.00 In. Product...- SKU:
- C15-11657
- TS PIK:
- 115793049
- Country of Origin:
- China
MSRP $252.00Surplus $104.06 -
Eaton HMCP007C0A10 Motor Circuit Protector (MCPs)
MSRP $972.00Surplus $190.30SKU: C15-11620 Brand: Eaton MPN: HMCP007C0A10 UPC: Shipping Weight: 4.45 lbs. Shipping Height: 5.00 In. Shipping Length: 8.00 In. Shipping Width: 5.00 In. Product...- SKU:
- C15-11620
- TS PIK:
- 110190071
MSRP $972.00Surplus $190.30 -
Eaton HMCP015E0A06B03 Molded Case Breakers (MCCBs)
MSRP $500.00Surplus $125.30SKU: C15-11513 Brand: Eaton MPN: HMCP015E0A06B03 UPC: Shipping Weight: 4.40 lbs. Shipping Height: 5.00 In. Shipping Length: 8.00 In. Shipping Width: 6.00 In...- SKU:
- C15-11513
MSRP $500.00Surplus $125.30 -
Eaton HMCP050K2CA0510 Molded Case Breakers (MCCBs)
MSRP $500.00Surplus $151.04SKU: C15-11839 Brand: Eaton MPN: HMCP050K2CA0510 UPC: Shipping Weight: 4.60 lbs. Shipping Height: 5.00 In. Shipping Length: 8.00 In. Shipping Width: 5.00 In...- SKU:
- C15-11839
MSRP $500.00Surplus $151.04