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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THQL1120GFT Miniature Circuit Breakers (MCBs) 1P 20A 120V
MSRP $309.40Surplus $73.15THQL1120GFT Miniature Circuit Breakers (MCBs) 1P 20A 120V​ ARCA SKU: C15-3725 Brand: MPN: THQL1120GFT UPC: 783164485301 Shipping Weight: 0.45 Shipping Height: 2.00 In. Shipping...- SKU:
- C15-3725
- Type:
- Compact
- Approval:
- UL
- Volts:
- 120/240 VAC
- Amps:
- 32 A
- Poles:
- 1
- Interrupting Rating:
- 10 kA at 120 VAC
- Terminal Type:
- Plug-On
- Frame Type:
- Q-Line
- Maximum AC Voltage Rating:
- 240 Volt
- Short Description:
- 120/240 VAC, 20 A, 10 kA, 1-Pole, 14 to 8 AWG Copper/12 to 8 AWG Aluminum, 1" Plug-In Mount, Box Terminal, Q-Line Frame, Molded Case, Common Trip, Compact, Fixed Thermal Magnetic, Ground Fault, Self-Test
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00015_6_8_6_32_CAT.pdf
- Installation/Operator:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00006_INST.pdf
- Current Rating:
- 20 A
- Number of Poles:
- 1
- Voltage Rating:
- 120/240 VAC
MSRP $309.40Surplus $73.15 -
THQL1120GFTS Miniature Circuit Breakers (MCBs) 1P 20A 120V
MSRP $200.00Surplus $65.57THQL1120GFTS Miniature Circuit Breakers (MCBs) 1P 20A 120V​ ARCA SKU: C15-3233 Brand: MPN: THQL1120GFTS UPC: 783164618259 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In...- SKU:
- C15-3233
MSRP $200.00Surplus $65.57 -
THQL21100 Miniature Circuit Breakers (MCBs) THQL 2P 100A 120V
MSRP $275.00Surplus $45.03THQL21100 Miniature Circuit Breakers (MCBs) THQL 2P 100A 120V​ ARCA SKU: C15-3785 Brand: MPN: THQL21100 UPC: 783164099232 Shipping Weight: 0.60 Shipping Height: 3.00 In. Shipping...- SKU:
- C15-3785
- Type:
- Thermal Magnetic
- Type:
- Compact
- Approval:
- UL
- Volts:
- 120/240 VAC
- Amps:
- 32 A
- Poles:
- 2
- Interrupting Rating:
- 10 kA at 120/240 VAC
- Terminal Type:
- Plug-On
- Frame Type:
- Q-Line
- Maximum AC Voltage Rating:
- 240 Volt
- Short Description:
- 120/240 VAC, 100 A, 10 kA, 2-Pole, 6 to 1/0 AWG Copper/4 to 1/0 AWG Aluminum, 1" Plug-In Mount, Box Terminal, Q-Line Frame, Molded Case, Internal Common Trip, Compact, Fixed Thermal Magnetic
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00015_6_8_6_30_CAT.pdf
- Installation/Operator:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00006_INST.pdf
- CAD Drawing:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00501_1_CAD.pdf
MSRP $275.00Surplus $45.03 -
THQL21100P Miniature Circuit Breakers (MCBs) THQL 2P 100A 240V
MSRP $140.00Surplus $44.00THQL21100P Miniature Circuit Breakers (MCBs) THQL 2P 100A 240V​ ARCA SKU: C15-4609 Brand: MPN: THQL21100P UPC: 43481006932 Shipping Weight: 0.70 Shipping Height: 3.00 In. Shipping...- SKU:
- C15-4609
- Volts:
- 240 V
- Amps:
- 100 A
- Poles:
- 2
MSRP $140.00Surplus $44.00 -
THQL2120GFT Miniature Circuit Breakers (MCBs) 2P 20A 120V
MSRP $569.30Surplus $148.96SKU: C15-4141 Brand: North American Breaker Company MPN: THQL2120GFT UPC: 78316448534 Shipping Weight: 0.80 lbs. Shipping Height: 2.00 In. Shipping Length: 5.00 In. Shipping...- SKU:
- C15-4141
- Type:
- Compact
- Approval:
- UL
- Volts:
- 120/240 VAC
- Amps:
- 32 A
- Poles:
- 2
- Interrupting Rating:
- 10 kA at 120/240 VAC
- Terminal Type:
- Plug-On
- Frame Type:
- Q-Line
- Maximum AC Voltage Rating:
- 240 Volt
- Short Description:
- 120/240 VAC, 20 A, 10 kA, 2-Pole, 14 to 8 AWG Copper/12 to 8 AWG Aluminum, 1" Plug-In Mount, Box Terminal, Q-Line Frame, Molded Case, Common Trip, Compact, Fixed Thermal Magnetic, Ground Fault, Self-Test
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00015_6_8_6_32_CAT.pdf
- Installation/Operator:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00006_INST.pdf
MSRP $569.30Surplus $148.96 -
THQL2130GFT Miniature Circuit Breakers (MCBs) 2P 30A 120V
MSRP $690.00Surplus $148.96SKU: C15-3025 Brand: MPN: THQL2130GFT UPC: 783164485363 Shipping Weight: 0.80 lbs. Shipping Height: 3.00 In. Shipping Length: 5.00 In. Shipping Width: 4.00 In...- SKU:
- C15-3025
- Type:
- Compact
- Approval:
- UL
- Volts:
- 120/240 VAC
- Amps:
- 32 A
- Poles:
- 2
- Interrupting Rating:
- 10 kA at 120/240 VAC
- Terminal Type:
- Plug-On
- Frame Type:
- Q-Line
- Maximum AC Voltage Rating:
- 240 V
- Short Description:
- 120/240 VAC, 30 A, 10 kA, 2-Pole, 14 to 8 AWG Copper/12 to 8 AWG Aluminum, 1" Plug-In Mount, Box Terminal, Q-Line Frame, Molded Case, Common Trip, Compact, Fixed Thermal Magnetic, Ground Fault, Self-Test
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00015_6_8_6_32_CAT.pdf
- Installation/Operator:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00006_INST.pdf
- Current Rating:
- 30 A
- Number of Poles:
- 2
- Voltage Rating:
- 120/240 VAC
MSRP $690.00Surplus $148.96 -
THQL2140ST1 Miniature Circuit Breakers (MCBs) THQL 2P 40A 120V
MSRP $415.00Surplus $154.28SKU: C15-2981 Brand: MPN: THQL2140ST1 UPC: 783164419085 Shipping Weight: 1.05 lbs. Shipping Height: 3.00 In. Shipping Length: 3.50 In. Shipping Width: 3.00 In...- SKU:
- C15-2981
- Volts:
- 120/240 V
- Amps:
- 32 A
- Poles:
- 2
- Interrupting Rating:
- 10 kA
- Short Description:
- 120/240 VAC, 40 A, 10 kA Interrupt, 2-Pole, 8 to 3 AWG Aluminum/Copper Load Lug Terminal, 1" Plug-In Mount, Q-Line Frame, Internal Common Trip, Compact, Fixed Thermal Magnetic
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00542_1_10_CAT.pdf
- Current Rating:
- 40 A
- Number of Poles:
- 2
- Voltage Rating:
- 120/240 V
MSRP $415.00Surplus $154.28 -
THQL2150GFT Miniature Circuit Breakers (MCBs) THQL 50A 120-240 VAC
MSRP $1,812.94Surplus $374.09SKU: C15-3598 Brand: MPN: THQL2150GFT UPC: 783164485387 Shipping Weight: 0.90 lbs. Shipping Height: 4.00 In. Shipping Length: 6.00 In. Shipping Width: 5.00 In...- SKU:
- C15-3598
- Type:
- Thermal Magnetic
- Type:
- Compact
- Approval:
- UL
- Volts:
- 120/240 VAC
- Amps:
- 32 A
- Poles:
- 2
- Interrupting Rating:
- 10 kA at 120/240 VAC
- Terminal Type:
- Plug-On
- Frame Type:
- Q-Line
- Maximum AC Voltage Rating:
- 240 Volt
- Short Description:
- 120/240 VAC, 50 A, 10 kA, 2-Pole, 8 to 3 AWG Copper/Aluminum, 1" Plug-In Mount, Box Terminal, Q-Line Frame, Molded Case, Common Trip, Compact, Fixed Thermal Magnetic, Ground Fault, Self-Test
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00015_6_8_6_32_CAT.pdf
- Installation/Operator:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00006_INST.pdf
- Voltage Rating:
- 120/240 VAC
- Current Rating:
- 50 A
- Number of Poles:
- 2
MSRP $1,812.94Surplus $374.09 -
THQL32030 Miniature Circuit Breakers (MCBs) 3P 30A 240V
MSRP $294.93Surplus $64.80THQL32030 Miniature Circuit Breakers (MCBs) 3P 30A 240V​ ARCA SKU: C15-3004 Brand: MPN: THQL32030 UPC: 783164013023 Shipping Weight: 1.05 Shipping Height: 3.00 In. Shipping...- SKU:
- C15-3004
- Type:
- Thermal Magnetic
- Type:
- Compact
- Approval:
- UL
- Volts:
- 120/240 VAC
- Amps:
- 32 A
- Poles:
- 3
- Interrupting Rating:
- 10 kA at 120/240 VAC
- Terminal Type:
- Plug-On
- Frame Type:
- Q-Line
- Maximum AC Voltage Rating:
- 240 V
- Short Description:
- 240 VAC, 30 A, 10 kA, 3-Pole, 14 to 8 AWG Copper/12 to 8 AWG Aluminum, 1" Plug-In Mount, Box Terminal, Q-Line Frame, Molded Case, Non-Interchangeable/Internal Common Trip, Compact, Fixed Thermal Magnetic
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00015_6_8_6_31_CAT.pdf
- Installation/Operator:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00006_INST.pdf
- CAD Drawing:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00499_1_CAD.pdf
- CAD Drawings:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00499_1_CAD.pdf
- Current Rating:
- 30 A
- Voltage Rating:
- 120/240 VAC
- Number of Poles:
- 3
MSRP $294.93Surplus $64.80 -
THQL32050ST1 Miniature Circuit Breakers (MCBs) THQL 3P 50A 120V
MSRP $650.00Surplus $211.47SKU: C15-2600 Brand: MPN: THQL32050ST1 UPC: 783164074086 Shipping Weight: 1.40 lbs. Shipping Height: 3.00 In. Shipping Length: 3.50 In. Shipping Width: 4.00 In...- SKU:
- C15-2600
- Type:
- Thermal Magnetic
- Type:
- Common Trip
- Volts:
- 240 V
- Amps:
- 32 A
- Poles:
- 3
- Interrupting Rating:
- 10 kA
- Short Description:
- 120/240 VAC, 50 A, 10 kA Interrupt, 3-Pole, 8 to 3 AWG Aluminum/Copper Load Lug Terminal, 1" Plug-In Mount, Q-Line Frame, Internal Common Trip, Compact, Fixed Thermal Magnetic
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00542_1_10_CAT.pdf
- Current Rating:
- 50 A
- Voltage Rating:
- 240 V
- Number of Poles:
- 3
MSRP $650.00Surplus $211.47 -
THQL32080 Miniature Circuit Breakers (MCBs) THQL 3P 80A 240VAC
MSRP $258.00Surplus $102.41THQL32080 Miniature Circuit Breakers (MCBs) THQL 3P 80A 240VAC​ ARCA SKU: C15-3186 Brand: MPN: THQL32080 UPC: 783164135756 Shipping Weight: 1.05 lbs. Shipping Height: 3.00 In. Shipping...- SKU:
- C15-3186
- Type:
- Thermal Magnetic
- Type:
- Compact
- Approval:
- UL
- Volts:
- 120/240 VAC
- Amps:
- 32 A
- Poles:
- 3
- Interrupting Rating:
- 10 kA at 120/240 VAC
- Terminal Type:
- Plug-On
- Frame Type:
- Q-Line
- Maximum AC Voltage Rating:
- 240 V
- Short Description:
- 240 VAC, 80 A, 10 kA, 3-Pole, 6 to 1/0 AWG Copper/4 to 1/0 AWG Aluminum, 1" Plug-In Mount, Box Terminal, Q-Line Frame, Molded Case, Non-Interchangeable/Internal Common Trip, Compact, Fixed Thermal Magnetic
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00015_6_8_6_31_CAT.pdf
- Installation/Operator:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00006_INST.pdf
- CAD Drawing:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00499_1_CAD.pdf
- Number of Poles:
- 3
- Voltage Rating:
- 120/240 VAC
- Current Rating:
- 80 A
- CAD Drawings:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00499_1_CAD.pdf
MSRP $258.00Surplus $102.41 -
TMQL21100 Miniature Circuit Breakers (MCBs) 2P 100A 240V 50/60Hz
MSRP $261.00Surplus $127.51TMQL21100 Miniature Circuit Breakers (MCBs) 2P 100A 240V 50/60Hz​ ARCA SKU: C15-4158 Brand: MPN: TMQL21100 UPC: 783164294279 Shipping Weight: 0.75 lbs. Shipping Height: 3.00 In. Shipping...- SKU:
- C15-4158
- Series:
- TMQL
- Approval:
- UL
- Volts:
- 120/240 VAC 1-Phase 3-Wire
- Volts:
- 208 VAC Star/120 VAC 3-Phase 4-Wire
- Amps:
- 100 A
- Used On:
- Meter MOD III Modular Metering
- Poles:
- 2
- Interrupting Rating:
- 42000 A
- Wire Size:
- 10 to 1/0 AWG (Copper/Aluminum)
- Short Description:
- 100 A, 42 kA Interrupt, 8 to 1 AWG Aluminum/Copper, 2-Pole
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00542_2_9_2_30_CAT.pdf
- CAD Drawing:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_01843_1_CAD.pdf
- Voltage Rating:
- 120/240 VAC 1-Phase 3-Wire, 208 VAC Star/120 VAC 3-Phase 4-Wire
- Current Rating:
- 100 A
- Number of Poles:
- 2
- CAD Drawings:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_01843_1_CAD.pdf
MSRP $261.00Surplus $127.51 -
Toshiba P115A Miniature Circuit Breakers (MCBs)
MSRP $9.88Surplus $2.38Toshiba P115A Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-8786 Brand: Toshiba MPN: P115A UPC: Shipping Weight: 0.25 lbs. Shipping Height: 2.00 In. Shipping...- SKU:
- C15-8786
- Number of Poles:
- 1
MSRP $9.88Surplus $2.38 -
TYCO Electronics W58-XC4C12A-30 Other Circuit Breakers
MSRP $15.00Surplus $20.29SKU: C15-11814 Brand: Tyco Electronics MPN: W58-XC4C12A-30 UPC: Shipping Weight: 0.05 lbs. Shipping Height: 2.00 In. Shipping Length: 2.00 In. Shipping Width: 1.00...- SKU:
- C15-11814
MSRP $15.00Surplus $20.29 -
Unbranded 6085C42H02 Circuit Breaker Accessories
MSRP $15.00Surplus $5.40SKU: C15-11766 Brand: Unbranded MPN: 6085C42H02 UPC: Shipping Weight: 0.10 lbs. Shipping Height: 1.00 In. Shipping Length: 8.00 In. Shipping Width: 6.00 In. Product...- SKU:
- C15-11766
MSRP $15.00Surplus $5.40 -
Unbranded FEDERAL PACIFIC 015 1P 15A PLUG-IN Miniature Circuit Breakers (MCBs) EA
MSRP $30.00Surplus $14.81Unbranded FEDERAL PACIFIC 015 1P 15A PLUG-IN Miniature Circuit Breakers (MCBs) EA​ ARCA SKU: C15-9434 Brand: Unbranded MPN: FEDERAL PACIFIC 015 1P 15A PLUG-IN UPC: Shipping Weight: 0.02 lbs...- SKU:
- C15-9434
MSRP $30.00Surplus $14.81 -
Wago 234-516 Circuit Breaker Accessories
MSRP $1,300.00Surplus $380.54SKU: C15-11619 Brand: Wago MPN: 234-516 UPC: 4044918652247 Shipping Weight: 1.80 lbs. Shipping Height: 4.00 In. Shipping Length: 11.00 In. Shipping Width: 3.00 In...- SKU:
- C15-11619
MSRP $1,300.00Surplus $380.54 -
Wago 750-557 DIN Rail and Accessories
MSRP $598.00Surplus $193.59SKU: U00-9712 Brand: Wago MPN: 750-557 UPC: 4045454475437 Shipping Weight: 0.15 lbs. Shipping Height: 3.00 In. Shipping Length: 4.00 In. Shipping Width: 1.00 In...- SKU:
- U00-9712
MSRP $598.00Surplus $193.59 -
Weidmuller 9925460000 Other Circuit Breakers
MSRP $40.00Surplus $14.40SKU: C15-11815 Brand: Weidmuller MPN: 9925460000 UPC: Shipping Weight: 0.25 lbs. Shipping Height: 3.00 In. Shipping Length: 4.00 In. Shipping Width: 1.00 In...- SKU:
- C15-11815
MSRP $40.00Surplus $14.40 -
Weidmuller BR1D20AC Miniature Circuit Breakers (MCBs) 1P 20A 120V 50/60Hz 1Ph
MSRP $32.00Surplus $3.28Weidmuller BR1D20AC Miniature Circuit Breakers (MCBs) 1P 20A 120V 50/60Hz 1Ph​ ARCA SKU: C15-4670 Brand: Weidmuller MPN: BR1D20AC UPC: Shipping Weight: 0.30 Shipping Height: 1.00 In...- SKU:
- C15-4670
- Volts:
- 120 V
- Amps:
- 20 A
- Poles:
- 1
- Frequency Rating:
- 50/60 Hz
- Number of Poles:
- 1
- Series:
- BR
MSRP $32.00Surplus $3.28