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.
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Air Circuit Breakers (ACBs)
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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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Circuit Breaker Accessories
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
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Eaton NGHMVD08RTX Circuit Breaker Accessories
MSRP $1,631.72Surplus $446.81SKU: C15-11507 Brand: Eaton MPN: NGHMVD08RTX UPC: 78668576222 Shipping Weight: 7.70 lbs. Shipping Height: 7.00 In. Shipping Length: 13.00 In. Shipping Width: 8.00 In...- SKU:
- C15-11507
- TS PIK:
- 125291199
- Country of Origin:
- France
MSRP $1,631.72Surplus $446.81 -
Eaton NGS308033EC Molded Case Breakers (MCCBs)
MSRP $19,589.92Surplus $6,519.82SKU: C15-11845 Brand: Eaton MPN: NGS308033EC UPC: 78668557416 Shipping Weight: 45.50 lbs. Shipping Height: 11.00 In. Shipping Length: 19.00 In. Shipping Width: 12.00...- SKU:
- C15-11845
- TS PIK:
- 124790694
MSRP $19,589.92Surplus $6,519.82 -
Eaton NHMVD Circuit Breaker Accessories Vari Depth Operating Mech N Frame EA
MSRP $293.00Surplus $49.12Eaton NHMVD Circuit Breaker Accessories Vari Depth Operating Mech N Frame EA​ ARCA SKU: C15-1707 Brand: Eaton MPN: NHMVD UPC: 782116347315 Shipping Weight: 6.15 lbs. Shipping...- SKU:
- C15-1707
- Frame:
- N
- Short Description:
- VARI-DEPTH ROTARY MECH 12 MM (NG)
- TS PIK:
- 120710582
MSRP $293.00Surplus $49.12 -
Eaton NRXCSKT Circuit Breaker Accessories
MSRP $624.75Surplus $156.84Eaton NRXCSKT Circuit Breaker Accessories​ ARCA SKU: C15-9527 Brand: Eaton MPN: NRXCSKT UPC: 78668544036 Shipping Weight: 0.50 lbs. Shipping Height: 3.00 In. Shipping...- SKU:
- C15-9527
- TS PIK:
- 123897480
- Short Description:
- EATON SERIES NRX CELL SWITCH KIT DIGITRIP NF
- Country of Origin:
- United States
MSRP $624.75Surplus $156.84 -
Eaton NRXDTPTM Circuit Breaker Accessories External PT Module
MSRP $1,317.00Surplus $465.61SKU: C15-3528 Brand: Eaton MPN: NRXDTPTM UPC: 786685608150 Shipping Weight: 2.00 lbs. Shipping Height: 6.00 In. Shipping Length: 10.00 In. Shipping Width: 6.00 In...- SKU:
- C15-3528
- Series:
- C
- Short Description:
- EATON SERIES NRX OTHER ACCESSORIES PT MODULE DIGITRIP NF/RF
- Country of Origin:
- United States
MSRP $1,317.00Surplus $465.61 -
Eaton NRXLEVIN3 Circuit Breaker Accessories Levering Mechanism 3P 1600A NF Frame
MSRP $1,211.00Surplus $840.22SKU: C15-3691 Brand: Eaton MPN: NRXLEVIN3 UPC: 786685384566 Shipping Weight: 8.80 lbs. Shipping Height: 12.00 In. Shipping Length: 12.00 In. Shipping Width: 10.00 In...- SKU:
- C15-3691
- Amps:
- 1600 A
- Poles:
- 3
- Frame:
- NF
- Short Description:
- EATON POWER DEFENSE ICCB LEVERING MECHANISM, THREE-POLE, NF FRAME, UP TO 1600A
- Country of Origin:
- United States
MSRP $1,211.00Surplus $840.22 -
Eaton NSB CVS2225XMM Molded Case Breakers (MCCBs) EA
MSRP $1,638.09Surplus $252.17SKU: C15-9317 Brand: Eaton MPN: CVS2225XMM UPC: 00786685705934 Shipping Weight: 3.25 lbs. Shipping Height: 4.00 In. Shipping Length: 8.00 In. Shipping Width: 6.00 In...- SKU:
- C15-9317
- Frame Type:
- CCV
- Current Rating:
- 225 A
- Number of Poles:
- 2
- Interrupting Rating:
- 42 kA
- Short Description:
- Eaton Type CV Molded Case Circuit Breaker,Molded case circuit breaker,225 A,42 kA,Two-pole,#6 - 4/0 Al/Cu,CV,#4/0 kcmil maximum load,Includes mounting kit
- Country of Origin:
- Dominican Republic
MSRP $1,638.09Surplus $252.17 -
Eaton NZM-XSTK Circuit Breaker Accessories
MSRP $68.87Surplus $16.23SKU: C15-11792 Brand: Eaton MPN: NZM-XSTK UPC: Shipping Weight: 0.05 lbs. Shipping Height: 1.00 In. Shipping Length: 7.00 In. Shipping Width: 3.00 In. Product...- SKU:
- C15-11792
- TS PIK:
- 124502594
- Data Sheet:
- Eaton-Moeller_01533_1_2_DATA.pdf
- Short Description:
- 1-Pole, 18 to 16 AWG, Box, Control Terminal for NZM/PN/N Molded Case Circuit Breaker
- Type:
- Control Terminal
- Used On:
- NZM Series Molded Case Circuit Breaker
- Catalog:
- Eaton-Moeller_00013_191_193_199_203_211_CAT.pdf
MSRP $68.87Surplus $16.23 -
Eaton NZM1-XIPA Circuit Breaker Accessories EA
MSRP $56.30Surplus $13.10Eaton NZM1-XIPA Circuit Breaker Accessories EA​ ARCA SKU: C15-11002 Brand: Eaton MPN: NZM1-XIPA UPC: Shipping Weight: 0.10 lbs. Shipping Height: 3.00 In. Shipping...- SKU:
- C15-11002
- Catalog:
- Eaton-Moeller_00013_196_CAT.pdf
- Installation/Operator:
- Eaton-Moeller_00025_INST.pdf
- Short Description:
- Size 1, 3-Pole, IP2X, Finger Protection Cover for NZM1/PN1/N1 Molded Case Circuit Breaker/Power Circuit Breaker
- Data Sheet:
- Eaton-Moeller_00722_1_2_DATA.pdf
- Used On:
- NZM1/PN1/N1 Series Molded Case Circuit Breaker, Power Circuit Breaker
- Type:
- Finger Protection Cover
- Country of Origin:
- Germany
MSRP $56.30Surplus $13.10 -
Eaton NZM1-XKSA Circuit Breaker Accessories EA
MSRP $89.52Surplus $15.01Eaton NZM1-XKSA Circuit Breaker Accessories EA​ ARCA SKU: C15-9403 Brand: Eaton MPN: NZM1-XKSA UPC: 1508260021 Shipping Weight: 0.30 lbs. Shipping Height: 4.00 In. Shipping...- SKU:
- C15-9403
- TS PIK:
- 124502417
- Used On:
- NZM1 Series Molded Case Circuit Breaker
- Short Description:
- Size 1, 3-Pole, Screw Terminal Cover for NZM1/PN1/N1 Molded Case Circuit Breaker
- Installation/Operator:
- Eaton-Moeller_00028_INST.pdf
- Type:
- Cover
- Catalog:
- Eaton-Moeller_00013_193_CAT.pdf
- Data Sheet:
- Eaton-Moeller_01558_1_2_DATA.pdf
- Country of Origin:
- Germany
MSRP $89.52Surplus $15.01 -
Eaton NZM1-XKSFA Circuit Breaker Accessories
MSRP $81.00Surplus $18.87SKU: C15-11470 Brand: Eaton MPN: NZM1-XKSFA UPC: 01508100680 Shipping Weight: 0.10 lbs. Shipping Height: 3.00 In. Shipping Length: 3.00 In. Shipping Width: 3.00 In...- SKU:
- C15-11470
- TS PIK:
- 124501358
- Type:
- Terminal Cover, Knockout
- Installation/Operator:
- Eaton-Moeller_00030_INST.pdf
- Data Sheet:
- Eaton-Moeller_00729_1_2_DATA.pdf
- Catalog:
- Eaton-Moeller_00013_193_CAT.pdf
- Used On:
- NZM1 Series Molded Case Circuit Breaker, Switch Disconnector
- Short Description:
- 3-Pole, Knockout, Terminal Cover for NZM1/PN1/N1 Molded Case Circuit Breaker/Switch Disconnector
- Country of Origin:
- Germany
MSRP $81.00Surplus $18.87 -
Eaton NZM2-4-XFI Other Circuit Breakers EA
MSRP $2,391.00Surplus $641.12SKU: C15-5348 Brand: Eaton MPN: NZM2-4-XFI UPC: 0123124303 Shipping Weight: 5.15 lbs. Shipping Height: 4.00 In. Shipping Length: 6.00 In. Shipping Width: 4.00 In...- SKU:
- C15-5348
MSRP $2,391.00Surplus $641.12 -
Eaton NZM2-4-XKSA Circuit Breaker Accessories
MSRP $154.00Surplus $27.63Eaton NZM2-4-XKSA Circuit Breaker Accessories​ ARCA SKU: C15-11220 Brand: Eaton MPN: NZM2-4-XKSA UPC: 1508266770 Shipping Weight: 0.65 lbs. Shipping Height: 4.00 In. Shipping...- SKU:
- C15-11220
- TS PIK:
- 129128182
- Country of Origin:
- Germany
MSRP $154.00Surplus $27.63 -
Eaton NZM2-XKR Circuit Breaker Accessories EA
MSRP $825.00Surplus $61.00Eaton NZM2-XKR Circuit Breaker Accessories EA​ ARCA SKU: C15-5136 Brand: Eaton MPN: NZM2-XKR UPC: 4015082667658 Shipping Weight: 1.10 lbs. Shipping Height: 4.00 In. Shipping...- SKU:
- C15-5136
- Type:
- Connector
- Type:
- On-Rear
- Used On:
- NZM2/PN2/N2 Series Molded Case Circuit Breaker
- Used On:
- Power Circuit Breaker
- Short Description:
- 3-Pole, 300 A Copper/250 A Aluminum, On-Rear
- Catalog:
- Eaton-Moeller_00013_199_CAT.pdf
- Data Sheet:
- Eaton-Moeller_00853_1_2_DATA.pdf
- Installation/Operator:
- Eaton-Moeller_00041_INST.pdf
- Country of Origin:
- Germany
MSRP $825.00Surplus $61.00 -
Eaton NZM2-XSVS Circuit Breaker Accessories
MSRP $709.00Surplus $183.45Eaton NZM2-XSVS Circuit Breaker Accessories​ ARCA SKU: C15-3043 Brand: Eaton MPN: NZM2-XSVS UPC: 015082666990 Shipping Weight: 4.35 lbs. Shipping Height: 7.00 In. Shipping...- SKU:
- C15-3043
- Type:
- Socket
- Amps:
- 32 A
- Used On:
- NZM2 Series Molded Case Circuit Breaker
- Used On:
- Power Circuit Breaker
- Short Description:
- 18.75 W, 230 A, 3-Pole, IP2X, Plug-In Unit, Screw Terminal
- Catalog:
- Eaton-Moeller_00013_231_CAT.pdf
- Data Sheet:
- Eaton-Moeller_00878_1-3_DATA.pdf
- Installation/Operator:
- Eaton-Moeller_00046_INST.pdf
- Country of Origin:
- Germany
MSRP $709.00Surplus $183.45 -
Eaton NZM2/3-XHIV Circuit Breaker Accessories EA
MSRP $289.65Surplus $89.91Eaton NZM2/3-XHIV Circuit Breaker Accessories EA​ ARCA SKU: C15-9414 Brand: Eaton MPN: NZM2/3-XHIV UPC: 01508259430 Shipping Weight: 0.15 lbs. Shipping Height: 2.00 In. Shipping...- SKU:
- C15-9414
- TS PIK:
- 124502365
- Short Description:
- 500 VAC, 220 VDC, 2NO, Screw Connection, Auxiliary Contact for NZM Circuit Breaker
- Series:
- NZM2
- Installation/Operator:
- Eaton-Moeller_00033_INST.pdf
- Data Sheet:
- Eaton-Moeller_00808_1_2_DATA.pdf
- Used On:
- NZM-24/34, PN-24/34 Circuit Breaker
- Catalog:
- Eaton-Moeller_00013_235_CAT.pdf
- Country of Origin:
- Germany
MSRP $289.65Surplus $89.91 -
Eaton NZM3-XKR Circuit Breaker Accessories EA
MSRP $863.32Surplus $84.23Eaton NZM3-XKR Circuit Breaker Accessories EA​ ARCA SKU: C15-5133 Brand: Eaton MPN: NZM3-XKR UPC: 4015082667924 Shipping Weight: 2.75 lbs. Shipping Height: 5.00 In. Shipping...- SKU:
- C15-5133
- Poles:
- 3
- Short Description:
- EATON MOLDED CASE CIRCUIT BREAKER ACCESSORY TERMINAL, ACCESSORIES AND TERMINALS,
- Country of Origin:
- Germany
MSRP $863.32Surplus $84.23 -
Eaton NZM4-4-XAVS Circuit Breaker Accessories Socket Base 4P 1600A
MSRP $12,200.00Surplus $1,506.72SKU: C15-2598 Brand: Eaton MPN: NZM4-4-XAVS UPC: 015082667140 Shipping Weight: 76.70 lbs. Shipping Height: 16.00 In. Shipping Length: 24.00 In. Shipping Width: 15.00...- SKU:
- C15-2598
- Type:
- Class K5
- Amps:
- 32 A
- Used On:
- NZM4 Series Molded Case Circuit Breaker
- Short Description:
- 76.8 W, 1488 A, 4-Pole, IP2X, Vertical Mount, Screw Terminal
- Catalog:
- Eaton-Moeller_00013_232_CAT.pdf
- Data Sheet:
- Mersen_00082_PF30_PF31_DATA.pdf
- CAD Drawing:
- Mersen_00413_1_CAD.pdf
- Installation/Operator:
- Eaton-Moeller_00056_INST.pdf
- Country of Origin:
- Germany
MSRP $12,200.00Surplus $1,506.72 -
Eaton NZM4-4-XKP Circuit Breaker Accessories EA
MSRP $712.16Surplus $104.64Eaton NZM4-4-XKP Circuit Breaker Accessories EA​ ARCA SKU: C15-6848 Brand: Eaton MPN: NZM4-4-XKP UPC: 4015082815967 Shipping Weight: 0.70 lbs. Shipping Height: 4.00 In. Shipping...- SKU:
- C15-6848
- Country of Origin:
- Germany
MSRP $712.16Surplus $104.64 -
Eaton NZM4-4-XKV1P Circuit Breaker Accessories Jumper Kit 4P EA Link Set + Cover
MSRP $5,860.17Surplus $438.58SKU: C15-3137 Brand: Eaton MPN: NZM4-4-XKV1P UPC: 15081177374 Shipping Weight: 15.00 lbs. Shipping Height: 10.00 In. Shipping Length: 10.00 In. Shipping Width: 5.00...- SKU:
- C15-3137
- Poles:
- 4
- Short Description:
- EATON MOLDED CASE CIRCUIT BREAKER ACCESSORY JUMPER KIT, JUMPER KIT, MOLDED COVER
- Country of Origin:
- Germany
MSRP $5,860.17Surplus $438.58