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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Square D FC34015 Molded Case Breakers (MCCBs)
MSRP $4,650.00Surplus $465.29SKU: C15-7020 Brand: Square D MPN: FC34015 UPC: Shipping Weight: 4.15 lbs. Shipping Height: 5.00 In. Shipping Length: 9.00 In. Shipping Width: 5.00 In. Product...- SKU:
- C15-7020
- 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
- Interrupting Rating:
- 100 kA at 240 VAC, 65 kA at 480 VAC
- Current Rating:
- 15 A
- Number of Poles:
- 3
- Series:
- FC
- Voltage Rating:
- 480 VAC, 250 VDC
- Catalog:
- SchneiderElectric-SquareD_00096_25_28_29_CAT.pdf
- Type:
- Molded Case, Thermal Magnetic, Main
- Installation/Operator:
- SchneiderElectric-SquareD_00076_INST.pdf
MSRP $4,650.00Surplus $465.29 -
Square D FC34090 Molded Case Breakers (MCCBs)
MSRP $3,000.00Surplus $547.76SKU: C15-7034 Brand: Square D MPN: FC34090 UPC: Shipping Weight: 4.15 lbs. Shipping Height: 5.00 In. Shipping Length: 9.00 In. Shipping Width: 5.00 In. Product...- SKU:
- C15-7034
- Catalog:
- SchneiderElectric-SquareD_00096_25_28_29_CAT.pdf
- Current Rating:
- 90 A
- Type:
- Molded Case, Thermal Magnetic, Main
- Number of Poles:
- 3
- Series:
- FC
- Short Description:
- 480 VAC, 250 VDC, 90 A, 10/18/25 kA, 3-Pole, F-Frame, I-Line Mount, Thermal Magnetic, Molded Case Circuit Breaker
- Interrupting Rating:
- 100 kA at 240 VAC, 65 kA at 480 VAC
- Installation/Operator:
- SchneiderElectric-SquareD_00076_INST.pdf
- Voltage Rating:
- 480 VAC, 250 VDC
MSRP $3,000.00Surplus $547.76 -
Square D FCB34070 Molded Case Breakers (MCCBs)
MSRP $4,203.00Surplus $534.29SKU: C15-7042 Brand: Square D MPN: FCB34070 UPC: Shipping Weight: 4.95 lbs. Shipping Height: 7.00 In. Shipping Length: 11.00 In. Shipping Width: 5.00 In. Product...- SKU:
- C15-7042
- Number of Poles:
- 3
MSRP $4,203.00Surplus $534.29 -
Square D FCL34100 Molded Case Breakers (MCCBs)
MSRP $3,650.00Surplus $760.91SKU: C15-7035 Brand: Square D MPN: FCL34100 UPC: Shipping Weight: 3.30 lbs. Shipping Height: 5.00 In. Shipping Length: 7.00 In. Shipping Width: 5.00 In. Product...- SKU:
- C15-7035
- Terminal Type:
- Line Lug, Load Lug
- Short Description:
- 480 VAC, 250 VDC, 100 A, 65 kA, 3-Pole, F-Frame, Individually Mount, Thermal Magnetic, Molded Case Circuit Breaker
- Installation/Operator:
- SchneiderElectric-SquareD_00076_INST.pdf
- Interrupting Rating:
- 100 kA at 240 VAC, 65 kA at 480 VAC Star/277 VAC or 480 VAC (UL/CSA/NOM), 10 kA at 240/415 VAC (IEC)
- Voltage Rating:
- 240 VAC at 50/60 Hz, 480 VAC Star/277 VAC at 50/60 Hz, 480 VAC at 50/60 Hz (UL/CSA/NOM), 240/415 VAC at 50/60 Hz (IEC)
- Catalog:
- SchneiderElectric-SquareD_00935_11_11_11_23_CAT.pdf
- Type:
- Molded Case, Thermal Magnetic
- Frame Type:
- F
- Maximum AC Voltage Rating:
- 480 V
- Number of Poles:
- 3
- Current Rating:
- 100 A
- Size:
- 4.5 Inch W x 4.13 Inch D x 6 Inch H
MSRP $3,650.00Surplus $760.91 -
Square D FCL341001027 Molded Case Breakers (MCCBs)
MSRP $5,795.00Surplus $755.89SKU: C15-7046 Brand: Square D MPN: FCL341001027 UPC: Shipping Weight: 3.80 lbs. Shipping Height: 5.00 In. Shipping Length: 8.00 In. Shipping Width: 6.00 In. Product...- SKU:
- C15-7046
- Number of Poles:
- 3
MSRP $5,795.00Surplus $755.89 -
Square D FCL341001422 Molded Case Breakers (MCCBs)
MSRP $5,795.00Surplus $755.89SKU: C15-7037 Brand: Square D MPN: FCL341001422 UPC: Shipping Weight: 3.85 lbs. Shipping Height: 5.00 In. Shipping Length: 8.00 In. Shipping Width: 6.00 In. Product...- SKU:
- C15-7037
- Number of Poles:
- 3
MSRP $5,795.00Surplus $755.89 -
Square D FH16020B Molded Case Breakers (MCCBs)
MSRP $674.49Surplus $112.86Square D FH16020B Molded Case Breakers (MCCBs)​ ARCA SKU: C15-6365 Brand: Square D MPN: FH16020B UPC: Shipping Weight: 2.20 lbs. Shipping Height: 5.00 In. Shipping...- SKU:
- C15-6365
- Type:
- Molded Case
- Data Sheet:
- SchneiderElectric-SquareD_04525_1_2_DATA.pdf
- Voltage Rating:
- 240 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
- Catalog:
- SchneiderElectric_00256_11_9_CAT.pdf
- Interrupting Rating:
- 65 kA at 240 VAC or 480 VAC Star/277 VAC (UL/CSA/NOM); 18 kA at 240 VAC, 10 kA at 415 VAC (IEC); 10 kA at 250 VDC
- Installation/Operator:
- SchneiderElectric-SquareD_00076_INST.pdf
- Number of Poles:
- 1
- Series:
- FH
- Short Description:
- 277 VAC, 125 VDC, 20 A, 65/10 kA, 1-Pole, F-Frame, I-Line Mount, Thermal Magnetic, Molded Case Circuit Breaker
- Current Rating:
- 20 A
MSRP $674.49Surplus $112.86 -
Square D FH26020AB Molded Case Breakers (MCCBs)
MSRP $1,600.00Surplus $193.60SKU: C15-7183 Brand: Square D MPN: FH26020AB UPC: Shipping Weight: 4.36 lbs. Shipping Height: 9.00 In. Shipping Length: 13.00 In. Shipping Width: 6.00 In. Product...- SKU:
- C15-7183
- Interrupting Rating:
- 18 kA at 600 VAC
- Short Description:
- 240/480/600 VAC, 250 VDC, 20 A, 65/25/18/10 kA, 1-Phase, 2-Pole, F-Frame, I-Line Mount, Thermal Magnetic, Molded Case Circuit Breaker
- Series:
- 650, FH
- Voltage Rating:
- 600 VAC, 250 VDC
- Data Sheet:
- SchneiderElectric-SquareD_04531_1_2_DATA.pdf
- Current Rating:
- 20 A
- Catalog:
- SchneiderElectric_00256_11_9_CAT.pdf
- Number of Poles:
- 2
- Type:
- Molded Case, Thermal Magnetic, Main
- Installation/Operator:
- SchneiderElectric-SquareD_00076_INST.pdf
- Prop 65 Warning:
- Yes
MSRP $1,600.00Surplus $193.60 -
Square D FH26050AB Molded Case Breakers (MCCBs)
MSRP $1,059.00Surplus $225.46Square D FH26050AB Molded Case Breakers (MCCBs)​ ARCA SKU: C15-7184 Brand: Square D MPN: FH26050AB UPC: Shipping Weight: 3.75 lbs. Shipping Height: 7.00 In. Shipping...- SKU:
- C15-7184
- Short Description:
- 240/480/600 VAC, 250 VDC, 50 A, 65/25/18/10 kA, 1-Phase, 2-Pole, F-Frame, I-Line Mount, Thermal Magnetic, Molded Case Circuit Breaker
- Interrupting Rating:
- 18 kA at 600 VAC
- Catalog:
- SchneiderElectric_00256_11_9_CAT.pdf
- Series:
- 650, FH
- Type:
- Molded Case, Thermal Magnetic, Main
- Current Rating:
- 50 A
- Voltage Rating:
- 600 VAC, 250 VDC
- Data Sheet:
- SchneiderElectric-SquareD_04540_1_2_DATA.pdf
- Installation/Operator:
- SchneiderElectric-SquareD_00076_INST.pdf
- Number of Poles:
- 2
- Number of Phases:
- 1
- Prop 65 Warning:
- Yes
MSRP $1,059.00Surplus $225.46 -
Square D FH26050BC Molded Case Breakers (MCCBs)
MSRP $959.00Surplus $257.30Square D FH26050BC Molded Case Breakers (MCCBs)​ ARCA SKU: C15-7186 Brand: Square D MPN: FH26050BC UPC: Shipping Weight: 4.03 lbs. Shipping Height: 7.00 In. Shipping...- SKU:
- C15-7186
- Short Description:
- 240/480/600 VAC, 250 VDC, 50 A, 65/25/18/10 kA, 4-Phase, 2-Pole, F-Frame, I-Line Mount, Thermal Magnetic, Molded Case Circuit Breaker
- Current Rating:
- 50 A
- Interrupting Rating:
- 65 kA at 120/240 VAC, 25 kA at 480 VAC Star/277 VAC/480 VAC, 18 kA at 600 VAC (UL), 50 kA at 125/250 VDC
- Series:
- 650, FH
- Voltage Rating:
- 120/240/480/600 VAC, 480 VAC Star/277 VAC (UL), 125/250 VDC
- Number of Poles:
- 2
- Installation/Operator:
- SchneiderElectric-SquareD_00076_INST.pdf
- Data Sheet:
- SchneiderElectric-SquareD_04542_1_2_DATA.pdf
- Type:
- Molded Case, Thermal Magnetic
- Catalog:
- SchneiderElectric_00256_11_9_CAT.pdf
- Prop 65 Warning:
- Yes
MSRP $959.00Surplus $257.30 -
Square D FH36015G Molded Case Breakers (MCCBs)
MSRP $2,369.00Surplus $220.43SKU: C15-7188 Brand: Square D MPN: FH36015G UPC: Shipping Weight: 5.95 lbs. Shipping Height: 7.00 In. Shipping Length: 10.00 In. Shipping Width: 5.00 In. Product...- SKU:
- C15-7188
MSRP $2,369.00Surplus $220.43 -
Square D FH36045 Molded Case Breakers (MCCBs)
MSRP $1,900.00Surplus $659.67SKU: C15-7198 Brand: Square D MPN: FH36045 UPC: Shipping Weight: 6.35 lbs. Shipping Height: 6.00 In. Shipping Length: 13.00 In. Shipping Width: 8.00 In. Product...- SKU:
- C15-7198
- Series:
- FH
- Number of Poles:
- 3
- Short Description:
- 240/480/600 VAC, 250 VDC, 45 A, 65/25/18/10 kA, 3-Pole, F-Frame, I-Line Mount, Thermal Magnetic, Molded Case Circuit Breaker
- Data Sheet:
- SchneiderElectric-SquareD_04556_1_2_DATA.pdf
- Installation/Operator:
- SchneiderElectric-SquareD_00076_INST.pdf
- Current Rating:
- 45 A
- Catalog:
- SchneiderElectric_00256_11_9_CAT.pdf
- Interrupting Rating:
- 10/65 kA at 240 VAC, 25 kA at 480 VAC Star/277 VAC or 480 VAC, 18 kA at 600 VAC Star/347 VAC or 600 VAC (UL/CSA/NOM); 10 kA at 415 VAC (IEC); 50 kA at 250 VDC
- 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
- Type:
- Molded Case
- Prop 65 Warning:
- Yes
MSRP $1,900.00Surplus $659.67 -
Square D FH36080G Molded Case Breakers (MCCBs)
MSRP $2,280.00Surplus $535.50SKU: C15-7197 Brand: Square D MPN: FH36080G UPC: Shipping Weight: 6.25 lbs. Shipping Height: 7.00 In. Shipping Length: 11.00 In. Shipping Width: 5.00 In. Product...- SKU:
- C15-7197
MSRP $2,280.00Surplus $535.50 -
Square D FH36100 Molded Case Breakers (MCCBs) EA
MSRP $1,050.00Surplus $352.24SKU: C15-7174 Brand: Square D MPN: FH36100 UPC: Shipping Weight: 5.40 lbs. Shipping Height: 6.00 In. Shipping Length: 9.00 In. Shipping Width: 5.00 In. Product...- SKU:
- C15-7174
- Short Description:
- 240/480/600 VAC, 250 VDC, 100 A, 65/25/18/10 kA, 3-Pole, F-Frame, I-Line Mount, Thermal Magnetic, Molded Case Circuit Breaker
- Installation/Operator:
- SchneiderElectric-SquareD_00076_INST.pdf
- Interrupting Rating:
- 18 kA at 600 VAC
- Data Sheet:
- SchneiderElectric-SquareD_04564_1_2_DATA.pdf
- Type:
- Molded Case, Thermal Magnetic, Main
- Catalog:
- SchneiderElectric_00256_11_9_CAT.pdf
- Series:
- 650, FH
- Voltage Rating:
- 600 VAC, 250 VDC
- Current Rating:
- 100 A
- Number of Poles:
- 3
MSRP $1,050.00Surplus $352.24 -
Square D FHL26040 Molded Case Breakers (MCCBs)
MSRP $800.00Surplus $335.98Square D FHL26040 Molded Case Breakers (MCCBs)​ ARCA SKU: C15-7173 Brand: Square D MPN: FHL26040 UPC: Shipping Weight: 3.05 lbs. Shipping Height: 5.00 In. Shipping...- SKU:
- C15-7173
- Short Description:
- 600 VAC, 250 VDC, 40 A, 18/50 kA, 2-Pole, F-Frame, Unit Mount, Thermal Magnetic, Molded Case Circuit Breaker
- Number of Poles:
- 2
- Current Rating:
- 40 A
- Catalog:
- SchneiderElectric_00256_11_8_CAT.pdf
- Installation/Operator:
- SchneiderElectric-SquareD_00076_INST.pdf
- Interrupting Rating:
- 18 kA at 600 VAC
- Size:
- 3 Inch Width x 4.13 Inch Depth x 6 Inch Height
- Series:
- 650, FHL
- Type:
- Thermal Magnetic
- Frame Type:
- F
- Data Sheet:
- SchneiderElectric-SquareD_04570_1_2_DATA.pdf
- Voltage Rating:
- 600 VAC, 250 VDC
- Terminal Type:
- Lug
- Prop 65 Warning:
- Yes
MSRP $800.00Surplus $335.98 -
Square D FHL36020 Molded Case Breakers (MCCBs)
MSRP $927.43Surplus $213.60SKU: E30-10208 Brand: Square D MPN: FHL36020 UPC: Shipping Weight: 4.60 lbs. Shipping Height: 5.00 In. Shipping Length: 8.00 In. Shipping Width: 6.00 In. Product...- SKU:
- E30-10208
- Current Rating:
- 20 A
- Series:
- FH
- 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
- Short Description:
- 600 VAC, 250 VDC, 20 A, 18/10 kA, 3-Pole, F-Frame, Unit Mount, Thermal Magnetic, Molded Case Circuit Breaker
- Maximum AC Voltage Rating:
- 600 V
- Size:
- 4.5 Inch W x 4.13 Inch D x 6 Inch H
- Terminal Type:
- Line Lug, Load Lug
- Maximum DC Voltage Rating:
- 250 V
- Catalog:
- SchneiderElectric_00256_11_8_CAT.pdf
- Installation/Operator:
- SchneiderElectric-SquareD_00076_INST.pdf
- Data Sheet:
- SchneiderElectric-SquareD_04574_1_2_DATA.pdf
- Frame Type:
- F
- Number of Poles:
- 3
- Type:
- Molded Case, Thermal Magnetic
- Interrupting Rating:
- 65 kA at 240 VAC, 25 kA at 480 VAC Star/277 VAC, 25 kA at 480 VAC, 18 kA at 600 VAC Star/347 VAC, 18 kA at 600 VAC (UL/CSA/NOM), 10/2.5 kA at 415 VAC (IEC), 50 kA at 250 VDC
- Prop 65 Warning:
- Yes
MSRP $927.43Surplus $213.60 -
Square D FHL36040 Molded Case Breakers (MCCBs) EA
MSRP $814.00Surplus $254.13SKU: C15-10982 Brand: Square D MPN: FHL36040 UPC: Shipping Weight: 4.40 lbs. Shipping Height: 7.00 In. Shipping Length: 5.00 In. Shipping Width: 5.00 In. Product...- SKU:
- C15-10982
MSRP $814.00Surplus $254.13 -
Square D FHL36050 Molded Case Breakers (MCCBs)
MSRP $826.26Surplus $301.91SKU: C15-6427 Brand: Square D MPN: FHL36050 UPC: Shipping Weight: 4.60 lbs. Shipping Height: 5.00 In. Shipping Length: 7.00 In. Shipping Width: 6.00 In. Product...- SKU:
- C15-6427
- Type:
- Thermal Magnetic
- Number of Poles:
- 3
- Frame Type:
- F
- Interrupting Rating:
- 18 kA at 600 VAC
- Catalog:
- SchneiderElectric_00256_11_8_CAT.pdf
- Current Rating:
- 50 A
- Voltage Rating:
- 600 VAC, 250 VDC
- Data Sheet:
- SchneiderElectric-SquareD_04576_1_2_DATA.pdf
- Size:
- 4.5 Inch Width x 4.13 Inch Depth x 6 Inch Height
- Short Description:
- 600 VAC, 250 VDC, 50 A, 18/10 kA, 3-Pole, F-Frame, Unit Mount, Thermal Magnetic, Molded Case Circuit Breaker
- Terminal Type:
- Lug
- Installation/Operator:
- SchneiderElectric-SquareD_00076_INST.pdf
- Series:
- FH
- Prop 65 Warning:
- Yes
MSRP $826.26Surplus $301.91 -
Square D FJA34050 Molded Case Breakers (MCCBs)
MSRP $5,448.00Surplus $960.12SKU: C15-7180 Brand: Square D MPN: FJA34050 UPC: Shipping Weight: 5.20 lbs. Shipping Height: 5.00 In. Shipping Length: 14.00 In. Shipping Width: 7.00 In. Product...- SKU:
- C15-7180
MSRP $5,448.00Surplus $960.12 -
Square D FY-14015-A Other Circuit Breakers
MSRP $170.00Surplus $55.42Square D FY-14015-A Other Circuit Breakers​ ARCA SKU: C15-7181 Brand: Square D MPN: FY-14015-A UPC: Shipping Weight: 1.55 lbs. Shipping Height: 2.00 In. Shipping...- SKU:
- C15-7181
MSRP $170.00Surplus $55.42