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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Siemens EE2B020 Everything Else
MSRP $387.83Surplus $132.40Siemens EE2B020 Everything Else​ ARCA SKU: E30-8838 Brand: Siemens MPN: EE2B020 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In...- SKU:
- E30-8838
MSRP $387.83Surplus $132.40 -
Siemens EE3-B050 3P 50A 480V Molded Case Breakers (MCCBs)
MSRP $660.00Surplus $165.34SKU: C15-11412 Brand: Siemens MPN: EE3-B050 3P 50A 480V UPC: Shipping Weight: 2.00 lbs. Shipping Height: 6.00 In. Shipping Length: 4.50 In. Shipping Width: 3.75 In...- SKU:
- C15-11412
MSRP $660.00Surplus $165.34 -
Siemens F63F250 Molded Case Breakers (MCCBs)
MSRP $1,368.00Surplus $532.70SKU: C15-8778 Brand: Siemens MPN: F63F250 UPC: Shipping Weight: 7.15 lbs. Shipping Height: 7.00 In. Shipping Length: 11.00 In. Shipping Width: 6.00 In. Product...- SKU:
- C15-8778
MSRP $1,368.00Surplus $532.70 -
Siemens FD63F250 Molded Case Breakers (MCCBs)
MSRP $3,323.00Surplus $630.42SKU: C15-7435 Brand: Siemens MPN: FD63F250 UPC: 78364321153 Shipping Weight: 7.85 lbs. Shipping Height: 7.00 In. Shipping Length: 11.00 In. Shipping Width: 6.00 In...- SKU:
- C15-7435
- TS PIK:
- 106248394
- Short Description:
- 600 VAC, 500 VDC, 70 to 250 A, 22 kA, 3-Pole, Molded Case, Thermal Magnetic, FD Frame, Circuit Breaker Frame
- Series:
- FD6
- Voltage Rating:
- 600 VAC, 500 VDC
- Current Rating:
- 250 A
- Number of Poles:
- 3
- Interrupting Rating:
- 65 kA at 240 VAC, 35 kA at 480 VAC, 22 kA at 600 VAC, 18 kA at 500 VDC (UL), 65 kA at 220/240 VAC, 35 kA at 380/415 VAC (IEC)
- Catalog:
- SiemensAG_01698_17_78_17_82_17_83_CAT.pdf
- Installation/Operator:
- SiemensAG_00224_INST.pdf
- Terminal Type:
- Line Lug, Load Lug
- Size:
- 9.5 Inch L x 4.5 Inch W x 4 Inch D
- Type:
- FD Frame
- Country of Origin:
- Mexico
MSRP $3,323.00Surplus $630.42 -
Siemens FD63T110 Molded Case Breakers (MCCBs)
MSRP $3,422.00Surplus $390.16SKU: C15-7436 Brand: Siemens MPN: FD63T110 UPC: 78364321193 Shipping Weight: 1.25 lbs. Shipping Height: 4.00 In. Shipping Length: 5.00 In. Shipping Width: 5.00 In...- SKU:
- C15-7436
- TS PIK:
- 115676320
- Country of Origin:
- Mexico
MSRP $3,422.00Surplus $390.16 -
Siemens FD63T125 Molded Case Breakers (MCCBs)
MSRP $3,422.00Surplus $615.72SKU: C15-8765 Brand: Siemens MPN: FD63T125 UPC: 78364321194 Shipping Weight: 1.20 lbs. Shipping Height: 4.00 In. Shipping Length: 5.00 In. Shipping Width: 5.00 In...- SKU:
- C15-8765
- TS PIK:
- 115243808
- Current Rating:
- 125 A
- Number of Poles:
- 3
- Catalog:
- SiemensAG_09175_17_4_17_81_17_85_17_86_CAT.pdf
- Installation/Operator:
- SiemensAG_00594_INST.pdf
- Frame Type:
- FD
- Type:
- Molded Case, Low Vage, Thermal Magnetic, Standard Breaking Capacity
- Country of Origin:
- Mexico
MSRP $3,422.00Surplus $615.72 -
Siemens FD63T150 Molded Case Breakers (MCCBs)
MSRP $3,422.00Surplus $612.03SKU: C15-7667 Brand: Siemens MPN: FD63T150 UPC: 78364321195 Shipping Weight: 1.25 lbs. Shipping Height: 4.00 In. Shipping Length: 5.00 In. Shipping Width: 5.00 In...- SKU:
- C15-7667
- TS PIK:
- 120776289
- Current Rating:
- 150 A
- Series:
- FD6-A
- Short Description:
- 600 VAC, 500 VDC, 150 A, 22/35 kA, 3-Pole, 6 AWG to 350 KCMIL Copper, 4 AWG to 350 KCMIL Aluminum, Line/Load Lug Terminal, FD Frame, Thermal Magnetic, Interchangeable Molded Case Circuit Breaker Trip Unit
- Number of Poles:
- 3
- Type:
- Thermal Magnetic, Interchangeable
- Installation/Operator:
- SiemensAG_00224_INST.pdf
- Catalog:
- SiemensAG_01698_17_78_17_82_17_83_CAT.pdf
- Frame Type:
- FD
- Country of Origin:
- Mexico
MSRP $3,422.00Surplus $612.03 -
Siemens FD63T175 Molded Case Breakers (MCCBs)
MSRP $3,422.00Surplus $460.83SKU: C15-7388 Brand: Siemens MPN: FD63T175 UPC: 78364321196 Shipping Weight: 1.20 lbs. Shipping Height: 4.00 In. Shipping Length: 5.00 In. Shipping Width: 5.00 In...- SKU:
- C15-7388
- TS PIK:
- 106247607
- Series:
- FD6-A
- Current Rating:
- 175 A
- Catalog:
- SiemensAG_01698_17_78_17_82_17_83_CAT.pdf
- Type:
- Interchangeable Trip, Thermal Magnetic
- Frame Type:
- FD
- Short Description:
- 600 VAC, 500 VDC, 175 A, 22/35 kA, 3-Pole, 6 AWG to 350 KCMIL Copper, 4 AWG to 350 KCMIL Aluminum, Line/Load Lug Terminal, FD Frame, Thermal Magnetic, Interchangeable Molded Case Circuit Breaker Trip Unit
- Installation/Operator:
- SiemensAG_00224_INST.pdf
- Number of Poles:
- 3
- Country of Origin:
- Mexico
MSRP $3,422.00Surplus $460.83 -
Siemens FD63T200 Molded Case Breakers (MCCBs) 3P 200A 600V
MSRP $3,422.00Surplus $566.58SKU: A13-1037 Brand: Siemens MPN: FD63T200 UPC: 783643211971 Shipping Weight: 0.80 lbs. Shipping Height: 5.10 In. Shipping Length: 4.70 In. Shipping Width: 4.00 In...- SKU:
- A13-1037
- Series:
- FD6-A
- Type:
- Thermal Magnetic
- Type:
- Interchangeable
- Approval:
- UL 489
- Approval:
- IEC 947-2
- Amps:
- 32 A
- Poles:
- 3
- Frame Type:
- FD
- Short Description:
- 600 VAC, 500 VDC, 200 A, 22/35 kA, 3-Pole, 6 AWG to 350 KCMIL Copper, 4 AWG to 350 KCMIL Aluminum, Line/Load Lug Terminal, FD Frame, Thermal Magnetic
- Catalog:
- SiemensAG_01698_17_78_17_82_17_83_CAT.pdf
- Installation/Operator:
- SiemensAG_00224_INST.pdf
- TS PIK:
- 21367586
- Current Rating:
- 200 A
- Number of Poles:
- 3
- Country of Origin:
- Mexico
MSRP $3,422.00Surplus $566.58 -
Siemens FD63T225 Molded Case Breakers (MCCBs)
MSRP $3,422.00Surplus $297.24SKU: C15-7683 Brand: Siemens MPN: FD63T225 UPC: 78364321198 Shipping Weight: 1.25 lbs. Shipping Height: 4.00 In. Shipping Length: 5.00 In. Shipping Width: 5.00 In...- SKU:
- C15-7683
- TS PIK:
- 21263418
- Catalog:
- SiemensAG_01698_17_78_17_82_17_83_CAT.pdf
- Installation/Operator:
- SiemensAG_00224_INST.pdf
- Series:
- FD6-A
- Type:
- Thermal Magnetic, Interchangeable
- Number of Poles:
- 3
- Frame Type:
- FD
- Short Description:
- 600 VAC, 500 VDC, 225 A, 22/35 kA, 3-Pole, 6 AWG to 350 KCMIL Copper, 4 AWG to 350 KCMIL Aluminum, Line/Load Lug Terminal, FD Frame, Thermal Magnetic, Interchangeable Molded Case Circuit Breaker Trip Unit
- Current Rating:
- 225 A
- Country of Origin:
- Mexico
MSRP $3,422.00Surplus $297.24 -
Siemens FD63T250 Molded Case Breakers (MCCBs)
MSRP $7,240.00Surplus $1,317.42SKU: C15-8767 Brand: Siemens MPN: FD63T250 UPC: 78364321199 Shipping Weight: 1.15 lbs. Shipping Height: 5.00 In. Shipping Length: 4.00 In. Shipping Width: 5.00 In...- SKU:
- C15-8767
- TS PIK:
- 106248808
- Current Rating:
- 250 A
- Short Description:
- 600 VAC, 500 VDC, 250 A, 22/35 kA, 3-Pole, 6 AWG to 350 KCMIL Copper, 4 AWG to 350 KCMIL Aluminum, Line/Load Lug Terminal, FD Frame, Thermal Magnetic, Interchangeable Molded Case Circuit Breaker Trip Unit
- Catalog:
- SiemensAG_01698_17_78_17_82_17_83_CAT.pdf
- Installation/Operator:
- SiemensAG_00224_INST.pdf
- Type:
- Interchangeable
- Series:
- FD6-A
- Number of Poles:
- 3
- Country of Origin:
- Mexico
MSRP $7,240.00Surplus $1,317.42 -
Siemens FJ63B150 Molded Case Breakers (MCCBs)
MSRP $1,180.37Surplus $309.92SKU: E30-11686 Brand: Siemens MPN: FJ63B150 UPC: Shipping Weight: 8.75 lbs. Shipping Height: 7.00 In. Shipping Length: 11.00 In. Shipping Width: 6.00 In. Product...- SKU:
- E30-11686
MSRP $1,180.37Surplus $309.92 -
Siemens FJ63B200 Molded Case Breakers (MCCBs)
MSRP $2,359.00Surplus $431.60SKU: C15-8772 Brand: Siemens MPN: FJ63B200 UPC: Shipping Weight: 8.35 lbs. Shipping Height: 5.00 In. Shipping Length: 10.00 In. Shipping Width: 5.00 In. Product...- SKU:
- C15-8772
MSRP $2,359.00Surplus $431.60 -
Siemens FJ63B225 Molded Case Breakers (MCCBs)
MSRP $1,459.00Surplus $362.33SKU: C15-8773 Brand: Siemens MPN: FJ63B225 UPC: Shipping Weight: 8.30 lbs. Shipping Height: 7.00 In. Shipping Length: 11.00 In. Shipping Width: 6.00 In. Product...- SKU:
- C15-8773
MSRP $1,459.00Surplus $362.33 -
Siemens FXD62B090 Motor Circuit Protector (MCPs) EA
MSRP $6,000.00Surplus $1,834.58SKU: C15-10400 Brand: Siemens MPN: FXD62B090 UPC: 78364321110 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-10400
- TS PIK:
- 21367511
- Country of Origin:
- Mexico
MSRP $6,000.00Surplus $1,834.58 -
Siemens FXD62B125 Motor Circuit Protector (MCPs)
MSRP $5,311.00Surplus $625.89SKU: C15-7401 Brand: Siemens MPN: FXD62B125 UPC: 78364321113 Shipping Weight: 7.65 lbs. Shipping Height: 7.00 In. Shipping Length: 11.00 In. Shipping Width: 5.00 In...- SKU:
- C15-7401
- TS PIK:
- 106248864
- Short Description:
- 600 VAC 50/60 Hz, 250 VDC, 125 A, 35 kA at 480 VAC, 2-Pole, FD Frame, Thermal Magnetic Trip Unit, Non-Interchangeable Trip, Molded Case Circuit Breaker
- Series:
- FXD6-A
- Voltage Rating:
- 600 VAC
- Current Rating:
- 125 A
- Maximum AC Voltage Rating:
- 600 V
- Number of Poles:
- 2
- Catalog:
- SiemensAG_01698_17_78_17_82_17_111_CAT.pdf
- Installation/Operator:
- SiemensAG_00224_INST.pdf
- Type:
- Thermal Magnetic
- Frame Type:
- FD
- Size:
- 4.5 Inch Width x 5.25 Inch Depth x 9.5 Inch Height
- Terminal Type:
- Not Included
- Interrupting Rating:
- 65 kA at 240 VAC (UL 489), 35 kA at 480 VAC (UL 489), 22 kA at 600 VAC (UL 489), 30 kA at 250 VDC (UL 489), 65/33 kA at 220/240 VAC (IEC), 35/9 kA at 380/415 VAC (IEC), 20/10 kA at 500 VAC (IEC)
- Country of Origin:
- Mexico
- Approval:
- UL 489, IEC 947-2
MSRP $5,311.00Surplus $625.89 -
Siemens FXD62B150 Motor Circuit Protector (MCPs) EA
MSRP $6,000.00Surplus $1,834.58SKU: C15-10402 Brand: Siemens MPN: FXD62B150 UPC: 78364321114 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-10402
- TS PIK:
- 21367515
- Short Description:
- 600 VAC 50/60 Hz, 250 VDC, 150 A, 35 kA at 480 VAC, 2-Pole, FD Frame, Thermal Magnetic Trip Unit, Non-Interchangeable Trip, Molded Case Circuit Breaker
- Frame Type:
- FD
- Interrupting Rating:
- 65 kA at 240 VAC (UL 489), 35 kA at 480 VAC (UL 489), 22 kA at 600 VAC (UL 489), 30 kA at 250 VDC (UL 489), 65/33 kA at 220/240 VAC (IEC), 35/9 kA at 380/415 VAC (IEC), 20/10 kA at 500 VAC (IE
- Series:
- FXD6-A
- Voltage Rating:
- 600 VAC
- Current Rating:
- 150 A
- Number of Poles:
- 2
- Type:
- Thermal Magnetic
- Installation/Operator:
- SiemensAG_00224_INST.pdf
- Terminal Type:
- Not Included
- Catalog:
- SiemensAG_01698_17_78_17_82_17_111_CAT.pdf
- Country of Origin:
- Mexico
- Approval:
- UL 489, IEC
MSRP $6,000.00Surplus $1,834.58 -
Siemens FXD62B200 Motor Circuit Protector (MCPs) EA
MSRP $6,000.00Surplus $1,834.58SKU: C15-10403 Brand: Siemens MPN: FXD62B200 UPC: 78364321116 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-10403
- TS PIK:
- 21367517
- Current Rating:
- 200 A
- Frame Type:
- FD
- Series:
- FXD6-A
- Short Description:
- 600 VAC 50/60 Hz, 250 VDC, 200 A, 35 kA at 480 VAC, 2-Pole, FD Frame, Thermal Magnetic Trip Unit, Non-Interchangeable Trip, Molded Case Circuit Breaker
- Voltage Rating:
- 600 VAC
- Type:
- Thermal Magnetic
- Number of Poles:
- 2
- Interrupting Rating:
- 65 kA at 240 VAC (UL 489), 35 kA at 480 VAC (UL 489), 22 kA at 600 VAC (UL 489), 30 kA at 250 VDC (UL 489), 65/33 kA at 220/240 VAC (IEC), 35/9 kA at 380/415 VAC (IEC), 20/10 kA at 500 VAC (IE
- Installation/Operator:
- SiemensAG_00224_INST.pdf
- Catalog:
- SiemensAG_01698_17_78_17_82_17_111_CAT.pdf
- Terminal Type:
- Not Included
- Country of Origin:
- Mexico
- Approval:
- UL 489, IEC
MSRP $6,000.00Surplus $1,834.58 -
Siemens FXD62B250 Motor Circuit Protector (MCPs)
MSRP $9,024.00Surplus $880.81SKU: C15-7402 Brand: Siemens MPN: FXD62B250 UPC: 78364321118 Shipping Weight: 7.05 lbs. Shipping Height: 7.00 In. Shipping Length: 11.00 In. Shipping Width: 6.00 In...- SKU:
- C15-7402
- TS PIK:
- 115495159
- Frame Type:
- FD
- Short Description:
- 600 VAC 50/60 Hz, 250 VDC, 250 A, 35 kA at 480 VAC, 2-Pole, FD Frame, Thermal Magnetic Trip Unit, Non-Interchangeable Trip, Molded Case Circuit Breaker
- Voltage Rating:
- 600 VAC at 50/60 Hz, 250 VDC
- Current Rating:
- 250 A
- Type:
- Molded Case, Thermal Magnetic
- Interrupting Rating:
- 22 kA at 600 VAC, 30 kA at 250 VDC
- Catalog:
- SiemensAG_01698_17_78_17_82_17_111_CAT.pdf
- Maximum DC Voltage Rating:
- 250 V
- Installation/Operator:
- SiemensAG_00224_INST.pdf
- Number of Poles:
- 2
- Series:
- FXD6-A
- Size:
- 4.5 Inch W x 5.25 Inch D x 9.5 Inch H
- Maximum AC Voltage Rating:
- 600 V
- Terminal Type:
- Not Included
- Country of Origin:
- Mexico
- Approval:
- UL, CSA, IEC
MSRP $9,024.00Surplus $880.81 -
Siemens FXD63B080 Motor Circuit Protector (MCPs)
MSRP $6,159.00Surplus $723.33SKU: C15-7512 Brand: Siemens MPN: FXD63B080 UPC: 78364321120 Shipping Weight: 9.20 lbs. Shipping Height: 7.00 In. Shipping Length: 11.00 In. Shipping Width: 6.00 In...- SKU:
- C15-7512
- TS PIK:
- 120631995
- Frame Type:
- FD
- Current Rating:
- 80 A
- Series:
- FXD6-A
- Catalog:
- SiemensAG_01698_17_78_17_82_17_111_CAT.pdf
- Type:
- Thermal Magnetic, Non-Interchangeable Trip
- Number of Poles:
- 3
- Voltage Rating:
- 600 VAC, 500 VDC
- Interrupting Rating:
- 22 kA at 600 VAC, 18 kA at 500 VDC
- Size:
- 4.5 Inch Width x 4 Inch Depth x 9.5 Inch Height
- Maximum DC Voltage Rating:
- 500 V
- Installation/Operator:
- SiemensAG_00224_INST.pdf
- Maximum AC Voltage Rating:
- 600 V
- Short Description:
- 600 VAC 50/60 Hz, 500 VDC, 80 A, 35 kA at 480 VAC, 3-Pole, FD Frame, Thermal Magnetic Trip Unit, Non-Interchangeable Trip, Molded Case Circuit Breaker
- Country of Origin:
- Mexico
- Approval:
- UL 489, CSA C22.2, CE, Federal Specification Class 20A
MSRP $6,159.00Surplus $723.33