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 MDNSHTR3P Circuit Breaker Accessories Cassette Shutter Field Option Kit 3P 1600A Narrow
MSRP $608.00Surplus $291.85SKU: C15-3611 Brand: Eaton MPN: MDNSHTR3P UPC: 782116106707 Shipping Weight: 6.85 lbs. Shipping Height: 5.00 In. Shipping Length: 18.00 In. Shipping Width: 18.00 In...- SKU:
- C15-3611
- Amps:
- 1600 A
- Poles:
- 3
- Frame:
- Narrow
- Short Description:
- EATON MAGNUM OTHER ACCESSORIES, 800-1600A, THREE-POLE, MAGNUM, NARROW, UP TO 160
- Country of Origin:
- United States
MSRP $608.00Surplus $291.85 -
Eaton MHMVD06R Circuit Breaker Accessories
MSRP $291.00Surplus $79.37Eaton MHMVD06R Circuit Breaker Accessories​ ARCA SKU: C15-2994 Brand: Eaton MPN: MHMVD06R UPC: 782116150076 Shipping Weight: 2.80 Shipping Height: 5.00 In. Shipping Length: 13...- SKU:
- C15-2994
- Short Description:
- RED HANDLE_ 6@ SHAFT-MDL FRAME
- Country of Origin:
- Canada
MSRP $291.00Surplus $79.37 -
Eaton MIC10 Circuit Breaker Accessories Cable Kit 10 FT Cables (2)
MSRP $778.00Surplus $156.12Eaton MIC10 Circuit Breaker Accessories Cable Kit 10 FT Cables (2)​ ARCA SKU: C15-2872 Brand: Eaton MPN: MIC10 UPC: 782114865033 Shipping Weight: 4.00 Shipping Height: 2.00 In. Shipping...- SKU:
- C15-2872
- Short Description:
- EATON MAGNUM MECHANICAL INTERLOCK, UNIVERSAL BREAKER, UNIVERSAL FRAME, 10 FEET C
- Country of Origin:
- United States
MSRP $778.00Surplus $156.12 -
Eaton MOPEG240C Circuit Breaker Accessories Motor Operator 1A 240V EG Frame
MSRP $1,615.00Surplus $256.21SKU: C15-2354 Brand: Eaton MPN: MOPEG240C UPC: 786685221106 Shipping Weight: 2.10 lbs. Shipping Height: 4.50 In. Shipping Length: 6.75 In. Shipping Width: 3.75 In...- SKU:
- C15-2354
- Series:
- G
- Volts:
- 240 V
- Amps:
- 1 A
- Frame:
- EG
- Short Description:
- SERIES G: ELECTRICAL OPERATORS
- Country of Origin:
- China
MSRP $1,615.00Surplus $256.21 -
Eaton MOPJG24D Circuit Breaker Accessories JG 24VDC J-K Frame
MSRP $3,930.00Surplus $892.10SKU: C15-2353 Brand: Eaton MPN: MOPJG24D UPC: 786685299297 Shipping Weight: 2.80 lbs. Shipping Height: 5.00 In. Shipping Length: 5.50 In. Shipping Width: 5.00 In...- SKU:
- C15-2353
- Series:
- G
- Volts:
- 24 VDC
- Frame:
- J-K
- Short Description:
- C-H - JG MOTOR OPERATOR 24 VDC
- Country of Origin:
- United States
MSRP $3,930.00Surplus $892.10 -
Eaton MPLSS1132-2 Circuit Breaker Accessories EA
MSRP $42.46Surplus $17.79Eaton MPLSS1132-2 Circuit Breaker Accessories EA​ ARCA SKU: C15-9406 Brand: Eaton MPN: MPLSS1132-2 UPC: 78668906155 Shipping Weight: 2.50 lbs. Shipping Height: 7.00 In. Shipping...- SKU:
- C15-9406
- TS PIK:
- 127753021
- Short Description:
- EATON POWER PEDESTAL WATER MOUNTING PLATE WITH MOUNTING BRACKETS, LIGHTHOUSE SS/
- Country of Origin:
- United States
MSRP $42.46Surplus $17.79 -
Eaton MTRMMNT Circuit Breaker Accessories Terminal Mounting Kit
MSRP $300.00Surplus $32.16Eaton MTRMMNT Circuit Breaker Accessories Terminal Mounting Kit​ ARCA SKU: C15-4297 Brand: Eaton MPN: MTRMMNT UPC: 821146346124 Shipping Weight: 2.25 Shipping Height: 5.00 In. Shipping...- SKU:
- C15-4297
- Type:
- Terminal Mounting Kit
MSRP $300.00Surplus $32.16 -
Eaton MUBHS332 Circuit Breaker Accessories Universal Bus Adapter Kit 3P 3200A
MSRP $924.00Surplus $395.31SKU: C15-4831 Brand: Eaton MPN: MUBHS332 UPC: 786685493077 Shipping Weight: 5.20 lbs. Shipping Height: 6.00 In. Shipping Length: 11.00 In. Shipping Width: 7.00 In...- SKU:
- C15-4831
- Amps:
- 3200 A
- Poles:
- 3
- Short Description:
- EATON MAGNUM ADAPTER KIT, THREE-POLE, STANDARD FRAME, UNIVERSAL INTERRUPT, UP TO
- Country of Origin:
- United States
MSRP $924.00Surplus $395.31 -
Eaton MUVRH Circuit Breaker Accessories
MSRP $1,229.84Surplus $475.40SKU: C15-11236 Brand: Eaton MPN: MUVRH UPC: 78211447346 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-11236
- TS PIK:
- 121861064
MSRP $1,229.84Surplus $475.40 -
Eaton MVADP16 Circuit Breaker Accessories
MSRP $1,106.00Surplus $395.06SKU: C15-9356 Brand: Eaton MPN: MVADP16 UPC: Shipping Weight: 7.45 lbs. Shipping Height: 6.00 In. Shipping Length: 11.00 In. Shipping Width: 7.00 In. Product...- SKU:
- C15-9356
- TS PIK:
- 120135627
- Country of Origin:
- United States
MSRP $1,106.00Surplus $395.06 -
Eaton MVADPF32 Circuit Breaker Accessories
MSRP $3,116.75Surplus $908.14SKU: C15-9601 Brand: Eaton MPN: MVADPF32 UPC: 78211486896 Shipping Weight: 29.10 lbs. Shipping Height: 8.00 In. Shipping Length: 14.00 In. Shipping Width: 9.00 In...- SKU:
- C15-9601
- TS PIK:
- 121861124
- Short Description:
- EATON MAGNUM ADAPTER KIT, THREE-POLE, STANDARD FRAME, UNIVERSAL INTERRUPT, UP TO
- Country of Origin:
- United States
MSRP $3,116.75Surplus $908.14 -
Eaton N1-125 Molded Case Breakers (MCCBs) 3P 125A 690V 50/60Hz 3Ph
MSRP $600.00Surplus $119.41Eaton N1-125 Molded Case Breakers (MCCBs) 3P 125A 690V 50/60Hz 3Ph​ ARCA SKU: C15-4658 Brand: Eaton MPN: N1-125 UPC: Shipping Weight: 1.80 Shipping Height: 4.00 In. Shipping...- SKU:
- C15-4658
- Voltage Rating:
- 690 V
- Current Rating:
- 125 A
- Number of Poles:
- 3
- Short Description:
- Eaton Moeller series NZM - Molded Case Circuit Breaker. Switch-disconnector 3p 125A BG1
- Series:
- NZM
MSRP $600.00Surplus $119.41 -
Eaton N1-4-63 Disconnects EA
MSRP $1,428.36Surplus $131.15SKU: S21-2071 Brand: Eaton MPN: N1-4-63 UPC: 4015082660024 Shipping Weight: 2.55 lbs. Shipping Height: 4.00 In. Shipping Length: 5.00 In. Shipping Width: 6.00 In...- SKU:
- S21-2071
- Application:
- Industrial
- Conductor Size:
- 0
- Amps:
- 63 A
- Enclosure:
- IP20
- Handle Type:
- Door Coupling Rotary Handle
- Phases:
- 0
- Poles:
- 4
- Power:
- 0
- Size:
- 120 Millimeter Length x 84.5 Millimeter Width x 145 Millimeter Height
- Termination Type:
- M6 Screw
- Type:
- Interlockable
- Type:
- Fusible
- Volts:
- 690 VAC
- Short Description:
- 690 VAC, 63 A, 4-Pole, IP20, Door Coupling Rotary Handle, M6 Screw Terminal, Interlockable, Fusible, Motor Control Disconnect Switch
- Voltage Rating:
- 690 VAC
- Data Sheet:
- Eaton-Moeller_00670_1-6_DATA.pdf
- Installation/Operator:
- Eaton-Moeller_00020_INST.pdf
- Number of Poles:
- 4
- Current Rating:
- 63 A
- Catalog:
- Eaton-Moeller_00013_146_CAT.pdf
MSRP $1,428.36Surplus $131.15 -
Eaton NGC308033E Molded Case Breakers (MCCBs) EA
MSRP $19,345.91Surplus $9,734.27SKU: C15-9316 Brand: Eaton MPN: NGC308033E UPC: 78668537901 Shipping Weight: 44.20 lbs. Shipping Height: 7.00 In. Shipping Length: 9.00 In. Shipping Width: 16.00 In...- SKU:
- C15-9316
- Frame Type:
- NG
- Voltage Rating:
- 480 VAC
- Current Rating:
- 800 A
- Number of Poles:
- 3
- Interrupting Rating:
- 200 kA at 240 VAC, 100 kA at 480 VAC
- Short Description:
- Eaton Series G electronic molded case circuit breaker, NG-frame, NG, Digitrip 310 RMS, Electronic LS trip, Three-pole, 800A, 480 VAC, 200 kA at 240 VAC, 100 kA at 480 VAC, Line and load, Imperial, 50/60 Hz, 80% rated
MSRP $19,345.91Surplus $9,734.27 -
Eaton NGH308032E Molded Case Breakers (MCCBs)
MSRP $21,516.58Surplus $5,228.32SKU: C15-9271 Brand: Eaton MPN: NGH308032E UPC: Shipping Weight: 40.50 lbs. Shipping Height: 8.00 In. Shipping Length: 16.00 In. Shipping Width: 9.00 In. Product...- SKU:
- C15-9271
- Country of Origin:
- United States
- TS PIK:
- 123516267
MSRP $21,516.58Surplus $5,228.32 -
Eaton NGH308033E Molded Case Breakers (MCCBs) NGH 3P 800A 600V 50/60Hz 3Ph N Frame EA
MSRP $17,809.00Surplus $6,300.13SKU: C15-4883 Brand: Eaton MPN: NGH308033E UPC: 786685379166 Shipping Weight: 45.75 lbs. Shipping Height: 11.00 In. Shipping Length: 19.00 In. Shipping Width: 12.00...- SKU:
- C15-4883
- Frame Type:
- NG
- Voltage Rating:
- 690 VAC
- Current Rating:
- 32 A
- Number of Poles:
- 3
- Interrupting Rating:
- 65 kA at 480 VAC
- Type:
- Molded Case
- Maximum AC Voltage Rating:
- 690 VAC
- Terminal Type:
- Line and Load Terminal
- Size:
- 5.5 Inch Width x 8.25 Inch Depth x 16 Inch Height
- Short Description:
- 690 VAC 50/60 Hz, 800 A, 65 kA, 3-Pole, Imperial Tapped Line/Load Terminal, NGH Frame, DigiTrip 310 RMS LS Electronic Trip
- Catalog:
- Eaton_46579_V4T2_203-V4T2_211_CAT.pdf
- Installation/Operator:
- Eaton_00493_INST.pdf
- Specification/Technical:
- Eaton_51797_1-3_SPEC.pdf
- Series:
- G
- Country of Origin:
- United States
- Approval:
- UL, CSA
MSRP $17,809.00Surplus $6,300.13 -
Eaton NGH312032E Molded Case Breakers (MCCBs) NGH 3P 1200A 600V 50/60Hz 3Ph N Frame
MSRP $27,162.43Surplus $7,620.90SKU: C15-4959 Brand: Eaton MPN: NGH312032E UPC: 78668537922 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-4959
- Number of Poles:
- 3
- Short Description:
- 690 VAC 50/60 Hz, 1200 A, 65 kA, 3-Pole, Imperial Tapped Line/Load Terminal, NGH Frame, DigiTrip 310 RMS LSI Electronic Trip, Molded Case Circuit Breaker
- Type:
- Molded Case, Electronic
- Series:
- G
- Installation/Operator:
- Eaton_00493_INST.pdf
- Current Rating:
- 1200 A
- Voltage Rating:
- 690 VAC
- Maximum AC Voltage Rating:
- 690 VAC
- Interrupting Rating:
- 65 kA at 480 VAC
- Catalog:
- Eaton_46579_V4T2_203-V4T2_211_CAT.pdf
- Terminal Type:
- Line and Load Terminal
- Size:
- 5.5 Inch Width x 8.25 Inch Depth x 16 Inch Height
- Frame Type:
- NG
- Country of Origin:
- United States
MSRP $27,162.43Surplus $7,620.90 -
Eaton NGH312033E Molded Case Breakers (MCCBs) NGH 3P 1200A 600V 50/60Hz 3Ph N Frame
MSRP $22,780.00Surplus $11,237.17SKU: C15-3850 Brand: Eaton MPN: NGH312033E UPC: 786685379241 Shipping Weight: 46.90 lbs. Shipping Height: 11.00 In. Shipping Length: 19.00 In. Shipping Width: 12.00...- SKU:
- C15-3850
- Approval:
- UL 489
- Approval:
- CSA C22.2
- Approval:
- CE
- Amps:
- 1200 A
- Frame:
- NG
- Interrupting Rating:
- 100 kA at 240 VAC (UL)
- Interrupting Rating:
- 100 Kiloamp at 220 to 240 Volt AC
- Interrupting Rating:
- 70 Kiloamp at 380 to 415 Volt AC
- Interrupting Rating:
- 65 Kiloamp at 480 Volt AC
- Interrupting Rating:
- 35 Kiloamp at 600 Volt AC
- Interrupting Rating:
- 25 Kiloamp at 690 Volt AC (IEC)
- Maximum AC Voltage:
- 690 V
- Poles:
- 3
- Size:
- 8.25 Inch Width x 5.5 Inch Depth x 16 Inch Height
- Terminal Type:
- Line and Load
- Type:
- Electronic RMS 310 Digitrip LS
- Volts:
- 240/415/480/600/690 VAC 50/60 Hertz
- TS PIK:
- 123516277
- Number of Poles:
- 3
- Short Description:
- EATON SERIES G ELECTRONIC MOLDED CASE CIRCUIT BREAKER, NG-FRAME, NG, DIGITRIP 31
- Maximum AC Voltage Rating:
- 690 V
- Frame Type:
- NG
- Current Rating:
- 1200 A
- Installation/Operator:
- Eaton_00493_INST.pdf
- Voltage Rating:
- 240/415/480/600/690 VAC 50/60 Hertz
- Catalog:
- EatonCorp-CutlerHammer_00123_V4T2_142-V4T2_144_V4T2_203-V4T2_211_CAT.pdf
MSRP $22,780.00Surplus $11,237.17 -
Eaton NGH312038E Molded Case Breakers (MCCBs) NGH 3P 1200A 600V 50/60Hz 3Ph N Frame
MSRP $35,092.06Surplus $18,294.25SKU: C15-3857 Brand: Eaton MPN: NGH312038E UPC: 786685475608 Shipping Weight: 45.45 lbs. Shipping Height: 8.00 In. Shipping Length: 17.00 In. Shipping Width: 9.00 In...- SKU:
- C15-3857
- Frame Type:
- NG
- Voltage Rating:
- 600 V
- Current Rating:
- 1200 A
- Number of Poles:
- 3
- Interrupting Rating:
- 100 kA at 240 Vac 65 kA at 480 Vac
- Short Description:
- NGH 3 POLE 1200 A LSI WITH ARMS_ ENGLISH CONDUCTORS
MSRP $35,092.06Surplus $18,294.25 -
Eaton NGHMVD08BX Circuit Breaker Accessories S2 Handle Mechanism NG Frame
MSRP $544.00Surplus $120.27Eaton NGHMVD08BX Circuit Breaker Accessories S2 Handle Mechanism NG Frame​ ARCA SKU: C15-3671 Brand: Eaton MPN: NGHMVD08BX UPC: 786685293783 Shipping Weight: 7.50 Shipping Height: 7.00 In...- SKU:
- C15-3671
- Frame:
- NG
- Short Description:
- NG VD ROTARY HNDLE KIT_ 10@ SHFT_ S3 BLUE_ 4/4X
- Country of Origin:
- United States
MSRP $544.00Surplus $120.27