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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Square D EJB34080 Miniature Circuit Breakers (MCBs)
MSRP $2,075.22Surplus $812.76SKU: E30-11743 Brand: Square D MPN: EJB34080 UPC: 78590177753 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- E30-11743
- TS PIK:
- 116965071
- Current Rating:
- 80 A
- Data Sheet:
- SchneiderElectric-SquareD_45742_1_2_DATA.pdf
- Catalog:
- SchneiderElectric-SquareD_32357_9_31-9_33_CAT.pdf
- Number of Poles:
- 3
- Interrupting Rating:
- 65 kA at 480 Star/277 VAC
- Voltage Rating:
- 480 Star/277 VAC
- Series:
- EJB
- Used On:
- NF Merchandised Panelboard
- Type:
- Thermal Magnetic, Branch, Miniature
- Installation/Operator:
- SchneiderElectric-SquareD_01117_INST.pdf
- Short Description:
- 480 Star/277 VAC, 80 A, 65 kA, 3-Pole, E-Frame, Bolt-On Mount, Aluminum Lug Terminal, Thermal Magnetic, Branch, Miniature, Panelboard Circuit Breaker
- Country of Origin:
- Mexico
MSRP $2,075.22Surplus $812.76 -
Square D EJB34090 Miniature Circuit Breakers (MCBs)
MSRP $2,075.22Surplus $908.61Square D EJB34090 Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-7707 Brand: Square D MPN: EJB34090 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping...- SKU:
- C15-7707
- Series:
- EJB
- Current Rating:
- 90 A
- Interrupting Rating:
- 65 kA at 480 Star/277 VAC
- Type:
- Thermal Magnetic, Branch, Miniature
- Voltage Rating:
- 480 Star/277 VAC
- Data Sheet:
- SchneiderElectric-SquareD_45744_1_2_DATA.pdf
- Installation/Operator:
- SchneiderElectric-SquareD_01117_INST.pdf
- Catalog:
- SchneiderElectric-SquareD_32357_9_31-9_33_CAT.pdf
- Used On:
- NF Merchandised Panelboard
- Short Description:
- 480 Star/277 VAC, 90 A, 65 kA, 3-Pole, E-Frame, Bolt-On Mount, Aluminum Lug Terminal, Thermal Magnetic, Branch, Miniature, Panelboard Circuit Breaker
- Number of Poles:
- 3
- Country of Origin:
- Mexico
MSRP $2,075.22Surplus $908.61 -
Square D EJB34125 Miniature Circuit Breakers (MCBs) EA
MSRP $4,500.00Surplus $2,125.01SKU: C15-10705 Brand: Square D MPN: EJB34125 UPC: 78590116124 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-10705
- TS PIK:
- 116559442
- Short Description:
- 480 Star/277 VAC, 125 A, 65 kA, 3-Pole, E-Frame, Bolt-On Mount, Aluminum Lug Terminal, Thermal Magnetic, Branch, Miniature, Panelboard Circuit Breaker
- Voltage Rating:
- 480 Star/277 VAC
- Data Sheet:
- SchneiderElectric-SquareD_45748_1_2_DATA.pdf
- Series:
- EJB
- Interrupting Rating:
- 65 kA at 480 Star/277 VAC
- Number of Poles:
- 3
- Current Rating:
- 125 A
- Used On:
- NF Merchandised Panelboard
- Catalog:
- SchneiderElectric-SquareD_32357_9_31-9_33_CAT.pdf
- Type:
- Thermal Magnetic, Branch, Miniature
- Installation/Operator:
- SchneiderElectric-SquareD_01117_INST.pdf
MSRP $4,500.00Surplus $2,125.01 -
Square D FA-32050 Molded Case Breakers (MCCBs) EA
MSRP $800.00Surplus $186.51SKU: C15-10989 Brand: Square D MPN: FA-32050 UPC: Shipping Weight: 5.05 lbs. Shipping Height: 5.00 In. Shipping Length: 9.00 In. Shipping Width: 5.00 In. Product...- SKU:
- C15-10989
MSRP $800.00Surplus $186.51 -
Square D FA-32100 Other Circuit Breakers
MSRP $1,000.00Surplus $111.15SKU: C15-11373 Brand: Square D MPN: FA-32100 UPC: Shipping Weight: 5.10 lbs. Shipping Height: 5.00 In. Shipping Length: 10.00 In. Shipping Width: 5.00 In. Product...- SKU:
- C15-11373
MSRP $1,000.00Surplus $111.15 -
Square D FA12040A Miniature Circuit Breakers (MCBs) EA
MSRP $540.00Surplus $68.67Square D FA12040A Miniature Circuit Breakers (MCBs) EA​ ARCA SKU: C15-10956 Brand: Square D MPN: FA12040A UPC: 785901184423 Shipping Weight: 2.55 lbs. Shipping Height: 3.00 In...- SKU:
- C15-10956
- Number of Poles:
- 1
MSRP $540.00Surplus $68.67 -
Square D FA14060B Molded Case Breakers (MCCBs)
MSRP $540.00Surplus $86.62Square D FA14060B Molded Case Breakers (MCCBs)​ ARCA SKU: C15-7058 Brand: Square D MPN: FA14060B UPC: Shipping Weight: 1.95 lbs. Shipping Height: 5.00 In. Shipping...- SKU:
- C15-7058
MSRP $540.00Surplus $86.62 -
Square D FA24015AB Molded Case Breakers (MCCBs)
MSRP $876.84Surplus $134.20Square D FA24015AB Molded Case Breakers (MCCBs)​ ARCA SKU: E30-10192 Brand: Square D MPN: FA24015AB UPC: Shipping Weight: 3.60 lbs. Shipping Height: 6.00 In. Shipping...- SKU:
- E30-10192
- Current Rating:
- 15 A
- Series:
- FA
- Number of Poles:
- 2
- Short Description:
- 480 VAC, 250 VDC, 15 A, 10/18/25 kA, 1-Phase, 2-Pole, F-Frame, I-Line Mount, Thermal Magnetic, Molded Case Circuit Breaker
- Voltage Rating:
- 240/480 VAC at 50/60 Hz, 480 VAC Star/277 VAC at 50/60 Hz (UL/CSA/NOM), 240/415 VAC at 50/60 Hz (IEC), 250 VDC
- Type:
- Molded Case, Thermal Magnetic
- Installation/Operator:
- SchneiderElectric-SquareD_00076_INST.pdf
- Data Sheet:
- SchneiderElectric-SquareD_04262_1_2_DATA.pdf
- Catalog:
- SchneiderElectric-SquareD_00096_25_28_CAT.pdf
- Interrupting Rating:
- 25 kA at 240 VAC, 18 kA at 480 VAC Star/277 VAC or 480 VAC (UL/CSA/NOM), 10 kA at 415 VAC (IEC), 10 kA at 250 VDC
MSRP $876.84Surplus $134.20 -
Square D FA24015AC Molded Case Breakers (MCCBs) EA
MSRP $927.00Surplus $59.45Square D FA24015AC Molded Case Breakers (MCCBs) EA​ ARCA SKU: C15-9307 Brand: Square D MPN: FA24015AC UPC: Shipping Weight: 4.30 lbs. Shipping Height: 4.50 In. Shipping...- SKU:
- C15-9307
- Catalog:
- SchneiderElectric-SquareD_00096_25_28_CAT.pdf
- Type:
- Molded Case, Thermal Magnetic
- Data Sheet:
- SchneiderElectric-SquareD_04263_1_2_DATA.pdf
- Current Rating:
- 15 A
- Short Description:
- 480 VAC, 250 VDC, 15 A, 10/18/25 kA, 2-Phase, 2-Pole, F-Frame, I-Line Mount, Thermal Magnetic, Molded Case Circuit Breaker
- Number of Poles:
- 2
- Voltage Rating:
- 240/480 VAC at 50/60 Hz, 480 VAC Star/277 VAC at 50/60 Hz (UL/CSA/NOM), 240/415 VAC at 50/60 Hz (IEC), 250 VDC
- Installation/Operator:
- SchneiderElectric-SquareD_00076_INST.pdf
- Series:
- FA
- Interrupting Rating:
- 25 kA at 240 VAC, 18 kA at 480 VAC Star/277 VAC or 480 VAC (UL/CSA/NOM), 10 kA at 415 VAC (IEC), 10 kA at 250 VDC
MSRP $927.00Surplus $59.45 -
Square D FA24020AC Molded Case Breakers (MCCBs)
MSRP $522.73Surplus $140.43SKU: E30-10177 Brand: Square D MPN: FA24020AC UPC: Shipping Weight: 3.50 lbs. Shipping Height: 6.00 In. Shipping Length: 9.00 In. Shipping Width: 3.00 In. Product...- SKU:
- E30-10177
- Number of Poles:
- 2
- Catalog:
- SchneiderElectric-SquareD_00096_25_28_CAT.pdf
- Current Rating:
- 20 A
- Installation/Operator:
- SchneiderElectric-SquareD_00076_INST.pdf
- Short Description:
- 480 VAC, 250 VDC, 20 A, 10/18/25 kA, 2-Phase, 2-Pole, F-Frame, I-Line Mount, Thermal Magnetic, Molded Case Circuit Breaker
- Type:
- Molded Case, Thermal Magnetic, Main
- Interrupting Rating:
- 18 kA at 480/600 VAC
- Voltage Rating:
- 480 VAC, 250 VDC
- Series:
- 650, FA
- Data Sheet:
- SchneiderElectric-SquareD_04266_1_2_DATA.pdf
MSRP $522.73Surplus $140.43 -
Square D FA24035AC Miniature Circuit Breakers (MCBs) EA
MSRP $600.00Surplus $325.77Square D FA24035AC Miniature Circuit Breakers (MCBs) EA​ ARCA SKU: C15-10966 Brand: Square D MPN: FA24035AC UPC: 785901337256 Shipping Weight: 4.40 lbs. Shipping Height: 5.00 In...- SKU:
- C15-10966
- Number of Poles:
- 2
MSRP $600.00Surplus $325.77 -
Square D FA24040AB Molded Case Breakers (MCCBs)
MSRP $1,392.00Surplus $348.60SKU: C15-7056 Brand: Square D MPN: FA24040AB UPC: Shipping Weight: 3.90 lbs. Shipping Height: 4.00 In. Shipping Length: 11.00 In. Shipping Width: 7.00 In. Product...- SKU:
- C15-7056
- Type:
- Molded Case, Thermal Magnetic, Main
- Current Rating:
- 40 A
- Catalog:
- SchneiderElectric-SquareD_00096_25_28_CAT.pdf
- Interrupting Rating:
- 18 kA at 480/600 VAC
- Short Description:
- 480 VAC, 250 VDC, 40 A, 10/18/25 kA, 1-Phase, 2-Pole, F-Frame, I-Line Mount, Thermal Magnetic, Molded Case Circuit Breaker
- Series:
- 650, FA
- Number of Poles:
- 2
- Data Sheet:
- SchneiderElectric-SquareD_04275_1_2_DATA.pdf
- Installation/Operator:
- SchneiderElectric-SquareD_00076_INST.pdf
- Voltage Rating:
- 480 VAC, 250 VDC
MSRP $1,392.00Surplus $348.60 -
Square D FA24050AC Molded Case Breakers (MCCBs)
MSRP $1,392.00Surplus $269.29SKU: C15-7057 Brand: Square D MPN: FA24050AC UPC: Shipping Weight: 4.35 lbs. Shipping Height: 5.00 In. Shipping Length: 13.00 In. Shipping Width: 8.00 In. Product...- SKU:
- C15-7057
- Interrupting Rating:
- 25 kA at 240 VAC, 18 kA at 480 VAC Star/277 VAC or 480 VAC (UL/CSA/NOM), 10 kA at 415 VAC (IEC), 10 kA at 250 VDC
- Short Description:
- 480 VAC, 250 VDC, 50 A, 10/18/25 kA, 2-Phase, 2-Pole, F-Frame, I-Line Mount, Thermal Magnetic, Molded Case Circuit Breaker
- Catalog:
- SchneiderElectric-SquareD_00096_25_28_CAT.pdf
- Current Rating:
- 50 A
- Series:
- FA
- Voltage Rating:
- 240/480 VAC at 50/60 Hz, 480 VAC Star/277 VAC at 50/60 Hz (UL/CSA/NOM), 240/415 VAC at 50/60 Hz (IEC), 250 VDC
- Number of Poles:
- 2
- Installation/Operator:
- SchneiderElectric-SquareD_00076_INST.pdf
- Type:
- Molded Case, Thermal Magnetic
- Data Sheet:
- SchneiderElectric-SquareD_04279_1_2_DATA.pdf
MSRP $1,392.00Surplus $269.29 -
Square D FA24050BC Molded Case Breakers (MCCBs)
MSRP $1,235.00Surplus $351.05SKU: C15-7054 Brand: Square D MPN: FA24050BC UPC: Shipping Weight: 4.40 lbs. Shipping Height: 5.00 In. Shipping Length: 13.00 In. Shipping Width: 8.00 In. Product...- SKU:
- C15-7054
- Short Description:
- 480 VAC, 250 VDC, 50 A, 10/18/25 kA, 4-Phase, 2-Pole, F-Frame, I-Line Mount, Thermal Magnetic, Molded Case Circuit Breaker
- Series:
- 650, FA
- Number of Poles:
- 2
- Voltage Rating:
- 480 VAC, 250 VDC
- Type:
- Molded Case, Thermal Magnetic, Main
- Installation/Operator:
- SchneiderElectric-SquareD_00076_INST.pdf
- Data Sheet:
- SchneiderElectric-SquareD_04280_1_2_DATA.pdf
- Current Rating:
- 50 A
- Catalog:
- SchneiderElectric-SquareD_00096_25_28_CAT.pdf
- Interrupting Rating:
- 18 kA at 480/600 VAC
MSRP $1,235.00Surplus $351.05 -
Square D FA24060AC Molded Case Breakers (MCCBs)
MSRP $1,044.00Surplus $318.89Square D FA24060AC Molded Case Breakers (MCCBs)​ ARCA SKU: C15-7055 Brand: Square D MPN: FA24060AC UPC: Shipping Weight: 4.20 lbs. Shipping Height: 7.00 In. Shipping...- SKU:
- C15-7055
- Data Sheet:
- SchneiderElectric-SquareD_04282_1_2_DATA.pdf
- Installation/Operator:
- SchneiderElectric-SquareD_00076_INST.pdf
- Current Rating:
- 60 A
- Catalog:
- SchneiderElectric-SquareD_00096_25_28_CAT.pdf
- Series:
- FA
- Interrupting Rating:
- 25 kA at 240 VAC, 18 kA at 480 VAC Star/277 VAC or 480 VAC (UL/CSA/NOM), 10 kA at 415 VAC (IEC), 10 kA at 250 VDC
- Short Description:
- 480 VAC, 250 VDC, 60 A, 10/18/25 kA, 2-Phase, 2-Pole, F-Frame, I-Line Mount, Thermal Magnetic, Molded Case Circuit Breaker
- Voltage Rating:
- 240/480 VAC at 50/60 Hz, 480 VAC Star/277 VAC at 50/60 Hz (UL/CSA/NOM), 240/415 VAC at 50/60 Hz (IEC), 250 VDC
- Number of Poles:
- 2
- Type:
- Molded Case, Thermal Magnetic
- Prop 65 Warning:
- Yes
MSRP $1,044.00Surplus $318.89 -
Square D FA26035AB Molded Case Breakers (MCCBs)
MSRP $1,252.00Surplus $199.84Square D FA26035AB Molded Case Breakers (MCCBs)​ ARCA SKU: C15-7053 Brand: Square D MPN: FA26035AB UPC: Shipping Weight: 3.55 lbs. Shipping Height: 5.00 In. Shipping...- SKU:
- C15-7053
- Number of Poles:
- 2
MSRP $1,252.00Surplus $199.84 -
Square D FA26050AB Miniature Circuit Breakers (MCBs) EA
MSRP $1,200.00Surplus $162.39SKU: C15-10980 Brand: Square D MPN: FA26050AB UPC: Shipping Weight: 3.55 lbs. Shipping Height: 3.00 In. Shipping Length: 9.00 In. Shipping Width: 5.00 In. Product...- SKU:
- C15-10980
- Interrupting Rating:
- 10/25 kA at 240 VAC, 18 kA at 480 VAC Star/277 VAC or 480 VAC, 14 kA at 600 VAC Star/347 VAC or 600 VAC (UL/CSA/NOM); 10 kA at 415 VAC (IEC); 10 kA at 250 VDC
- Short Description:
- 600 VAC, 250 VDC, 50 A, 10/14/18/25 kA, 1-Phase, 2-Pole, F-Frame, I-Line Mount, Thermal Magnetic, Molded Case Circuit Breaker
- Voltage Rating:
- 240/480/600 VAC at 50/60 Hz, 480 VAC Star/277 VAC at 50/60 Hz, 600 VAC Star/347 VAC at 50/60 Hz (UL/CSA/NOM), 415 VAC at 50/60 Hz (IEC), 250 VDC
- Catalog:
- SchneiderElectric-SquareD_00096_25_28_CAT.pdf
- Type:
- Molded Case
- Series:
- FA
- Data Sheet:
- SchneiderElectric-SquareD_04304_1_2_DATA.pdf
- Number of Poles:
- 2
- Installation/Operator:
- SchneiderElectric-SquareD_00076_INST.pdf
- Used On:
- Class 650/651 I-Line Panelboard/Switchboard
- Current Rating:
- 50 A
MSRP $1,200.00Surplus $162.39 -
Square D FA32020 Molded Case Breakers (MCCBs)
MSRP $708.22Surplus $299.71Square D FA32020 Molded Case Breakers (MCCBs)​ ARCA SKU: E30-10194 Brand: Square D MPN: FA32020 UPC: Shipping Weight: 6.15 lbs. Shipping Height: 6.00 In. Shipping...- SKU:
- E30-10194
- Interrupting Rating:
- 10 kA at 240 VAC, 25 kA at 480 VAC, 25 kA at 600 VAC
- Current Rating:
- 20 A
- Type:
- Molded Case, Thermal Magnetic, Main
- Number of Poles:
- 3
- Data Sheet:
- SchneiderElectric-SquareD_04322_1_2_DATA.pdf
- Voltage Rating:
- 240 VAC
- Installation/Operator:
- SchneiderElectric-SquareD_00076_INST.pdf
- Series:
- 650, FA
- Short Description:
- 240 VAC, 250 VDC, 20 A, 5/10 kA, 3-Pole, F-Frame, I-Line Mount, Thermal Magnetic, Molded Case Circuit Breaker
MSRP $708.22Surplus $299.71 -
Square D FA32030 Molded Case Breakers (MCCBs)
MSRP $843.12Surplus $135.35Square D FA32030 Molded Case Breakers (MCCBs)​ ARCA SKU: E30-10195 Brand: Square D MPN: FA32030 UPC: Shipping Weight: 6.35 lbs. Shipping Height: 6.00 In. Shipping...- SKU:
- E30-10195
- Number of Poles:
- 3
- Data Sheet:
- SchneiderElectric-SquareD_04324_1_2_DATA.pdf
- Interrupting Rating:
- 10 kA at 240 VAC, 25 kA at 480 VAC, 25 kA at 600 VAC
- Voltage Rating:
- 240 VAC
- Short Description:
- 240 VAC, 250 VDC, 30 A, 5/10 kA, 3-Pole, F-Frame, I-Line Mount, Thermal Magnetic, Molded Case Circuit Breaker
- Current Rating:
- 30 A
- Catalog:
- SchneiderElectric-SquareD_00096_25_28_CAT.pdf
- Series:
- 650, FA
- Installation/Operator:
- SchneiderElectric-SquareD_00076_INST.pdf
- Type:
- Molded Case, Thermal Magnetic, Main
MSRP $843.12Surplus $135.35 -
Square D FA34015 Miniature Circuit Breakers (MCBs)
MSRP $1,060.48Surplus $263.18SKU: C15-1430 Brand: Square D MPN: FA34015 UPC: Shipping Weight: 6.17 lbs. Shipping Height: 6.50 In. Shipping Length: 10.80 In. Shipping Width: 5.10 In. Product...- SKU:
- C15-1430
- Application:
- Power Distribution
- Approval:
- UL
- Approval:
- CSA
- Amps:
- 15 A
- Installation:
- 0
- Interrupting Rating:
- 18 kA at 480 VAC
- Interrupting Rating:
- 10 Kiloamp at 250 Volt DC
- Poles:
- 3
- Trip Setting:
- 275 to 600 Amp
- Type:
- Thermal Magnetic
- Type:
- Molded Case
- Used On:
- Class 650/651 I-Line Panelboard/Switchboard
- Volts:
- 480 VAC at 50/60 Hertz
- Volts:
- 250 VDC
- Short Description:
- 480 VAC, 250 VDC, 15 A, 10/18/25 kA, 3-Pole, F-Frame, I-Line Mount, Thermal Magnetic, Molded Case Circuit Breaker
- Series:
- FA
- Data Sheet:
- image ...
- Voltage Rating:
- 480 VAC, 250 VDC
- Current Rating:
- 15 A
- Number of Poles:
- 3
- Catalog:
- SchneiderElectric-SquareD_00096_25_28_CAT.pdf
- Installation/Operator:
- SchneiderElectric-SquareD_00076_INST.pdf
MSRP $1,060.48Surplus $263.18