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
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Eaton 66C1478G10 Miniature Circuit Breakers (MCBs) CH 1P 20A 240V 50/60Hz 1Ph EA
MSRP $272.40Surplus $89.99Eaton 66C1478G10 Miniature Circuit Breakers (MCBs) CH 1P 20A 240V 50/60Hz 1Ph EA​ ARCA SKU: C15-1003 Brand: Eaton MPN: 66C1478G10 UPC: 786670008255 Shipping Weight: 0.50 lbs. Shipping...- SKU:
- C15-1003
- Volts:
- 240 V
- Amps:
- 20 A
- Poles:
- 1
- Frequency Rating:
- 50/60 Hz
- Short Description:
- EATON CH ARC FAULT / GROUND FAULT CIRCUIT BREAKER
- Number of Poles:
- 1
- Country of Origin:
- Dominican Republic
MSRP $272.40Surplus $89.99 -
Eaton 66C1488G12 Miniature Circuit Breakers (MCBs) BR 1P 15A 120V 50/60Hz 1Ph EA
MSRP $490.00Surplus $71.78Eaton 66C1488G12 Miniature Circuit Breakers (MCBs) BR 1P 15A 120V 50/60Hz 1Ph EA​ ARCA SKU: C15-2883 Brand: Eaton MPN: 66C1488G12 UPC: 786670008217 Shipping Weight: 0.55 lbs. Shipping...- SKU:
- C15-2883
- Volts:
- 120 V
- Amps:
- 15 A
- Poles:
- 1
- Frequency Rating:
- 50/60 Hz
- Short Description:
- EATON BR ARC FAULT / GROUND FAULT CIRCUIT BREAKER
- TS PIK:
- 126287060
- Number of Poles:
- 1
- Country of Origin:
- Dominican Republic
MSRP $490.00Surplus $71.78 -
Eaton 68C5010G01 Circuit Breaker Accessories EA
MSRP $2,854.00Surplus $617.62SKU: C15-9355 Brand: Eaton MPN: 68C5010G01 UPC: Shipping Weight: 18.00 lbs. Shipping Height: 5.00 In. Shipping Length: 18.00 In. Shipping Width: 16.00 In. Product...- SKU:
- C15-9355
- Country of Origin:
- United States
MSRP $2,854.00Surplus $617.62 -
Eaton 68C6048G01 Circuit Breaker Accessories EA
MSRP $145.37Surplus $90.13Eaton 68C6048G01 Circuit Breaker Accessories EA​ ARCA SKU: C15-2025 Brand: Eaton MPN: 68C6048G01 UPC: 786685284620 Shipping Weight: 0.55 lbs. Shipping Height: 2.00 In. Shipping...- SKU:
- C15-2025
- Series:
- C
- Approval:
- UL
- Enclosure:
- NEMA 1/3R/12/4/4X
- Accessory Type:
- Operating Mechanism
- Switch Type:
- Molded Case
- Breaker Type:
- EG/JG/LG/GD/FD Frame
- Handle Type:
- Blue/Black Rotary
- Handle Included:
- Yes
- Handle to Device Connection:
- Variable Depth Shaft
- Short Description:
- EG/JG/LG/GD/FD-Frame, Blue/Black, Molded Case Switch, NEMA 1/3R/12
- Catalog:
- Eaton_14666_V4T2_539-V4T2_543_CAT.pdf
- Installation/Operator:
- Eaton_00688_INST.pdf
- CAD Drawing:
- Eaton_57568_1_CAD.pdf
- CAD Drawings:
- Eaton_57568_1_CAD.pdf
MSRP $145.37Surplus $90.13 -
Eaton 68C6048G03 Circuit Breaker Accessories
MSRP $214.34Surplus $78.13Eaton 68C6048G03 Circuit Breaker Accessories​ ARCA SKU: C15-3223 Brand: Eaton MPN: 68C6048G03 UPC: 786685284644 Shipping Weight: 0.55 lbs. Shipping Height: 3.00 In. Shipping...- SKU:
- C15-3223
- Volts:
- 600 V
- Short Description:
- VARI-DEPTH HNDL S2 BLACK 4/4X(EG/JG/LG-GD/FD/JD/KD/LD/MDL)
MSRP $214.34Surplus $78.13 -
Eaton 68C6048G05 Circuit Breaker Accessories
MSRP $174.01Surplus $64.59SKU: C15-11805 Brand: Eaton MPN: 68C6048G05 UPC: Shipping Weight: 0.65 lbs. Shipping Height: 3.00 In. Shipping Length: 12.00 In. Shipping Width: 4.00 In. Product...- SKU:
- C15-11805
- TS PIK:
- 124954931
MSRP $174.01Surplus $64.59 -
Eaton 68C6048G28 Circuit Breaker Accessories
MSRP $90.00Surplus $38.89SKU: C15-11789 Brand: Eaton MPN: 68C6048G28 UPC: Shipping Weight: 0.65 lbs. Shipping Height: 3.00 In. Shipping Length: 12.00 In. Shipping Width: 5.00 In. Product...- SKU:
- C15-11789
MSRP $90.00Surplus $38.89 -
Eaton 68C6048G41 Circuit Breaker Accessories EA
MSRP $124.14Surplus $28.43Eaton 68C6048G41 Circuit Breaker Accessories EA​ ARCA SKU: C15-5231 Brand: Eaton MPN: 68C6048G41 UPC: 786685627359 Shipping Weight: 0.45 lbs. Shipping Height: 3.00 In. Shipping...- SKU:
- C15-5231
- Series:
- C
- Approval:
- UL
- Enclosure:
- NEMA 1/3R/12
- Accessory Type:
- Operating Mechanism
- Switch Type:
- Molded Case
- Breaker Type:
- EG/JG/GC/GD/GMCP Frame
- Handle Type:
- Blue/Black Rotary
- Handle Included:
- Yes
- Handle to Device Connection:
- Variable Depth Shaft
- Short Description:
- EG/JG/GC/GD/GMCP Frame, Blue/Black, Molded Case Switch, NEMA 1/3R/12
- Catalog:
- Eaton_14666_V4T2_539-V4T2_543_CAT.pdf
- Installation/Operator:
- Eaton_00688_INST.pdf
- Country of Origin:
- France
MSRP $124.14Surplus $28.43 -
Eaton 68C6048G43 Circuit Breaker Accessories
MSRP $183.56Surplus $122.23SKU: C15-11803 Brand: Eaton MPN: 68C6048G43 UPC: Shipping Weight: 0.45 lbs. Shipping Height: 3.00 In. Shipping Length: 7.00 In. Shipping Width: 6.00 In. Product...- SKU:
- C15-11803
- TS PIK:
- 125267044
- Short Description:
- Blue/Black, High Performance Through-The-Door, Handle for FD Frame Molded Case Circuit Breaker
- Catalog:
- Eaton_03771_V4T2_500_V4T2_512_CAT.pdf
MSRP $183.56Surplus $122.23 -
Eaton 68C6048G49 Circuit Breaker Accessories EA
MSRP $89.62Surplus $23.45Eaton 68C6048G49 Circuit Breaker Accessories EA​ ARCA SKU: C15-9415 Brand: Eaton MPN: 68C6048G49 UPC: Shipping Weight: 0.10 lbs. Shipping Height: 1.00 In. Shipping...- SKU:
- C15-9415
- TS PIK:
- 125267045
- Catalog:
- Eaton_03771_V4T2_498_V4T2_499_V4T2_511_V4T2_512_CAT.pdf
- Short Description:
- EATON MOLDED CASE CIRCUIT BREAKER ACCESSORY HANDLE MECHANISM, HIGH PERFORMANCE H
- Country of Origin:
- France
MSRP $89.62Surplus $23.45 -
Eaton 68C6050G12 Circuit Breaker Accessories EA
MSRP $2,855.00Surplus $575.14SKU: C15-9360 Brand: Eaton MPN: 68C6050G12 UPC: Shipping Weight: 0.50 lbs. Shipping Height: 3.00 In. Shipping Length: 6.00 In. Shipping Width: 3.00 In. Product...- SKU:
- C15-9360
MSRP $2,855.00Surplus $575.14 -
Eaton 82B5279G03 Circuit Breaker Accessories Mounting Screw Kit
MSRP $15.00Surplus $2.46Eaton 82B5279G03 Circuit Breaker Accessories Mounting Screw Kit​ ARCA SKU: C15-4428 Brand: Eaton MPN: 82B5279G03 UPC: Shipping Weight: 0.05 Shipping Height: 1.00 In. Shipping...- SKU:
- C15-4428
- Type:
- Mounting Screw Kit
MSRP $15.00Surplus $2.46 -
Eaton 8651C91G02 Circuit Breaker Accessories EA
MSRP $454.00Surplus $225.63Eaton 8651C91G02 Circuit Breaker Accessories EA​ ARCA SKU: C15-11029 Brand: Eaton MPN: 8651C91G02 UPC: Shipping Weight: 11.05 lbs. Shipping Height: 13.00 In. Shipping...- SKU:
- C15-11029
- TS PIK:
- 122753623
MSRP $454.00Surplus $225.63 -
Eaton 9253C03H06 Circuit Breaker Accessories
MSRP $168.80Surplus $65.25Eaton 9253C03H06 Circuit Breaker Accessories​ ARCA SKU: C15-2358 Brand: Eaton MPN: 9253C03H06 UPC: 782114455449 Shipping Weight: 3.45 lbs. Shipping Height: 7.00 In. Shipping...- SKU:
- C15-2358
- Volts:
- 600 V
- Amps:
- 800 A
- Frequency Rating:
- 50-400 Hz
- Short Description:
- EATON MAGNUM DS NEUTRAL CURRENT SENSOR 800:1
- TS PIK:
- 119836558
MSRP $168.80Surplus $65.25 -
Eaton 99-4176 Circuit Breaker Accessories
MSRP $69.00Surplus $16.39Eaton 99-4176 Circuit Breaker Accessories​ ARCA SKU: C15-11309 Brand: Eaton MPN: 99-4176 UPC: Shipping Weight: 0.05 lbs. Shipping Height: 1.00 In. Shipping Length: 8.00...- SKU:
- C15-11309
- TS PIK:
- 116176233
- Country of Origin:
- United States
MSRP $69.00Surplus $16.39 -
Eaton 99-4176-2 Circuit Breaker Accessories EA
MSRP $80.00Surplus $17.85Eaton 99-4176-2 Circuit Breaker Accessories EA​ ARCA SKU: C15-4851 Brand: Eaton MPN: 99-4176-2 UPC: Shipping Weight: 0.05 lbs. Shipping Height: 1.00 In. Shipping Length: 9.00...- SKU:
- C15-4851
- Short Description:
- GROUP METERING ACCESSORIES AND RENEWAL PARTS
- Country of Origin:
- United States
MSRP $80.00Surplus $17.85 -
Eaton A1L1RPK Circuit Breaker Accessories
MSRP $700.00Surplus $120.63Eaton A1L1RPK Circuit Breaker Accessories​ ARCA SKU: C15-2549 Brand: Eaton MPN: A1L1RPK UPC: 786679149553 Shipping Weight: 0.30 lbs. Shipping Height: 3.00 In. Shipping...- SKU:
- C15-2549
- Volts:
- 600 V
- Frequency Rating:
- 50/60 Hz
- Frame:
- F
- Short Description:
- EATON MOLDED CASE CIRCUIT BREAKER ACCESSORY ALARM SWITCH, ALARM SWITCH FACTORY I
- TS PIK:
- 106998398
- Country of Origin:
- Dominican Republic
MSRP $700.00Surplus $120.63 -
Eaton A1L3RTK Circuit Breaker Accessories Al/Lo Switch 600V 50/60Hz
MSRP $377.00Surplus $131.93Eaton A1L3RTK Circuit Breaker Accessories Al/Lo Switch 600V 50/60Hz​ ARCA SKU: C15-3245 Brand: Eaton MPN: A1L3RTK UPC: 621037165670 Shipping Weight: 0.35 Shipping Height: 2.00 In. Shipping...- SKU:
- C15-3245
- Type:
- Alarm Switch
- Used On:
- Molded Case Circuit Breaker
- Short Description:
- 1-Set Contact, Right Pole Mount, Terminal Block, Alarm Switch for HMCP K-Frame Molded Case Circuit Breaker
- Specification/Technical:
- Eaton_05072_1_2_SPEC.pdf
- Catalog:
- Eaton_14666_V4T2_414_CAT.pdf
- Country of Origin:
- Dominican Republic
MSRP $377.00Surplus $131.93 -
Eaton A1L4LPK Circuit Breaker Accessories 250V
MSRP $429.00Surplus $217.95SKU: C15-2556 Brand: Eaton MPN: A1L4LPK UPC: 786679575123 Shipping Weight: 0.45 lbs. Shipping Height: 3.00 In. Shipping Length: 6.00 In. Shipping Width: 3.10 In...- SKU:
- C15-2556
- Short Description:
- EATON MOLDED CASE CIRCUIT BREAKER ACCESSORY ALARM SWITCH, HMCP ALARM SWITCH FACT
- Volts:
- 250 V
- Type:
- CIRCUIT BREAKER ALARM SWITCH
- Country of Origin:
- United States
MSRP $429.00Surplus $217.95 -
Eaton AA115RPK Circuit Breaker Accessories Auxillary and Alarm Switch Combo 250V
MSRP $820.00Surplus $179.57Eaton AA115RPK Circuit Breaker Accessories Auxillary and Alarm Switch Combo 250V​ ARCA SKU: C15-3252 Brand: Eaton MPN: AA115RPK UPC: 786678262482 Shipping Weight: 0.25 Shipping Height: 2...- SKU:
- C15-3252
- Volts:
- 250 V
- Short Description:
- EATON MOLDED CASE CIRCUIT BREAKER ACCESSORY AUXILIARY BELL ALARM COMBINATION, AU
- Country of Origin:
- United States
MSRP $820.00Surplus $179.57