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 HQJ23B100H Molded Case Breakers (MCCBs)
MSRP $4,222.00Surplus $627.25SKU: C15-7464 Brand: Siemens MPN: HQJ23B100H UPC: Shipping Weight: 4.55 lbs. Shipping Height: 4.00 In. Shipping Length: 8.00 In. Shipping Width: 5.00 In. Product...- SKU:
- C15-7464
MSRP $4,222.00Surplus $627.25 -
Siemens HQR22B100 Molded Case Breakers (MCCBs) EA
MSRP $2,000.00Surplus $659.45SKU: C15-10448 Brand: Siemens MPN: HQR22B100 UPC: 80476613632 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-10448
- TS PIK:
- 127183117
- Country of Origin:
- Mexico
- Short Description:
- 240 VAC 50/60 Hz, 100 A, 65 kA, 2-Pole, QR Frame, Molded Case, Thermal Magnetic, Circuit Breaker
- Current Rating:
- 100 A
- Number of Poles:
- 2
- Frame Type:
- QR
- Type:
- Molded Case, Thermal Magnetic
- Interrupting Rating:
- 65 kA at 240 V
- Size:
- 3 Inch Width x 2.53 Inch Depth x 7 Inch Height
- Voltage Rating:
- 240 VAC 50/60 Hertz (UL)
- Maximum AC Voltage Rating:
- 240 V
- Terminal Type:
- No
- Catalog:
- SiemensAG_00882_17_1_17_9_17_118_17_119_17_131_CAT.pdf
MSRP $2,000.00Surplus $659.45 -
Siemens HQR22B125 Molded Case Breakers (MCCBs) EA
MSRP $2,000.00Surplus $659.45SKU: C15-10449 Brand: Siemens MPN: HQR22B125 UPC: 80476613633 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-10449
- TS PIK:
- 127022985
- Country of Origin:
- Mexico
MSRP $2,000.00Surplus $659.45 -
Siemens HQR22B125H Molded Case Breakers (MCCBs) EA
MSRP $2,000.00Surplus $687.24SKU: C15-10450 Brand: Siemens MPN: HQR22B125H UPC: 80476613647 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-10450
- TS PIK:
- 127022989
- Country of Origin:
- Mexico
MSRP $2,000.00Surplus $687.24 -
Siemens HQR22B250 Molded Case Breakers (MCCBs) EA
MSRP $3,000.00Surplus $879.45SKU: C15-10452 Brand: Siemens MPN: HQR22B250 UPC: 80476613638 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-10452
- TS PIK:
- 127112834
- Country of Origin:
- Mexico
MSRP $3,000.00Surplus $879.45 -
Siemens HQR23B100 Molded Case Breakers (MCCBs) EA
MSRP $4,000.00Surplus $1,307.97SKU: C15-10453 Brand: Siemens MPN: HQR23B100 UPC: 80476613690 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-10453
- TS PIK:
- 127183125
- Country of Origin:
- Mexico
MSRP $4,000.00Surplus $1,307.97 -
Siemens HQR23B125 Molded Case Breakers (MCCBs) EA
MSRP $4,000.00Surplus $1,345.26SKU: C15-10454 Brand: Siemens MPN: HQR23B125 UPC: 80476613691 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-10454
- TS PIK:
- 126908870
- Voltage Rating:
- 240 VAC 50/60 Hertz
- Interrupting Rating:
- 65 kA at 240 VAC
- Country of Origin:
- Mexico
- Frame Type:
- QR
- Number of Poles:
- 3
- Current Rating:
- 125 A
- Type:
- Molded Case, Low Vage, Thermal Magnetic
- Installation/Operator:
- SiemensAG_00598_INST.pdf
- Data Sheet:
- SiemensAG_09583_1_2_DATA.pdf
- Size:
- 4.5 Inch Width x 2.53 Inch Depth x 7 Inch Height
- Catalog:
- SiemensAG_09175_17_1_17_10_CAT.pdf
- Maximum AC Voltage Rating:
- 240 V
- Terminal Type:
- Not Included
MSRP $4,000.00Surplus $1,345.26 -
Siemens HQR23B150 Molded Case Breakers (MCCBs) EA
MSRP $4,000.00Surplus $1,345.26SKU: C15-10455 Brand: Siemens MPN: HQR23B150 UPC: 80476613692 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-10455
- TS PIK:
- 126908871
- Voltage Rating:
- 240 VAC 50/60 Hertz
- Country of Origin:
- Mexico
- Frame Type:
- QR
- Catalog:
- SiemensAG_09175_17_1_17_10_CAT.pdf
- Installation/Operator:
- SiemensAG_00598_INST.pdf
- Type:
- Molded Case, Low Vage, Thermal Magnetic
- Number of Poles:
- 3
- Interrupting Rating:
- 65 kA at 240 VAC
- Maximum AC Voltage Rating:
- 240 V
- Data Sheet:
- SiemensAG_09584_1_2_DATA.pdf
- Terminal Type:
- Not Included
- Size:
- 4.5 Inch Width x 2.53 Inch Depth x 7 Inch Height
- Current Rating:
- 150 A
MSRP $4,000.00Surplus $1,345.26 -
Siemens HQR23B175 Molded Case Breakers (MCCBs) EA
MSRP $4,000.00Surplus $1,303.26SKU: C15-10456 Brand: Siemens MPN: HQR23B175 UPC: 80476613693 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-10456
- TS PIK:
- 127022997
- Country of Origin:
- Mexico
MSRP $4,000.00Surplus $1,303.26 -
Siemens HQR23B200 Molded Case Breakers (MCCBs) EA
MSRP $4,000.00Surplus $1,345.26SKU: C15-10457 Brand: Siemens MPN: HQR23B200 UPC: 80476613694 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-10457
- TS PIK:
- 126824613
- Short Description:
- 240 VAC, 200 A, 65 kA, 3-Pole, QR Frame, Thermal Magnetic Trip Unit, Molded Case Circuit Breaker
- Frame Type:
- QR
- Voltage Rating:
- 240 VAC
- Country of Origin:
- Mexico
- Number of Poles:
- 3
- Interrupting Rating:
- 65 kA at 240 VAC
- Current Rating:
- 200 A
- Data Sheet:
- SiemensAG_06240_1_DATA.pdf
- Size:
- 3 Inch Width x 2.53 Inch Depth x 7 Inch Height
- Catalog:
- SiemensAG_00564_7_3-7_5_7_40_CAT.pdf
- Maximum AC Voltage Rating:
- 240 V
- Type:
- Molded Case, Thermal Magnetic
MSRP $4,000.00Surplus $1,345.26 -
Siemens HQR23B225 Molded Case Breakers (MCCBs) EA
MSRP $4,000.00Surplus $1,345.26SKU: C15-10458 Brand: Siemens MPN: HQR23B225 UPC: 80476613695 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-10458
- TS PIK:
- 126824614
- Country of Origin:
- Mexico
MSRP $4,000.00Surplus $1,345.26 -
Siemens HQR23B250 Molded Case Breakers (MCCBs) EA
MSRP $4,000.00Surplus $1,345.26SKU: C15-10459 Brand: Siemens MPN: HQR23B250 UPC: 80476613696 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-10459
- TS PIK:
- 127112917
- Country of Origin:
- Mexico
MSRP $4,000.00Surplus $1,345.26 -
Siemens JD63B200 Molded Case Breakers (MCCBs)
MSRP $10,761.00Surplus $2,976.80SKU: C15-7465 Brand: Siemens MPN: JD63B200 UPC: 78364321316 Shipping Weight: 18.25 lbs. Shipping Height: 7.00 In. Shipping Length: 15.00 In. Shipping Width: 9.00 In...- SKU:
- C15-7465
- TS PIK:
- 21367660
- Size:
- 7.5 Inch Width x 4 Inch Depth x 11 Inch Height
- Number of Poles:
- 3
- Terminal Type:
- Line/Load Lug
- Catalog:
- SiemensAG_01698_17_78_17_85_17_110_CAT.pdf
- Type:
- Molded Case, Thermal Magnetic
- Short Description:
- 600 VAC, 500 VDC, 200 A at 40 Deg C, 35 kA at 480 VAC, 3-Pole, 3/0 AWG to 500 KCMIL Copper/4/0 AWG to 500 KCMIL Aluminum, Line/Load Lug Terminal, JD Frame, Thermal Magnetic Trip Unit, Interchangeable Trip, Molded Case Circuit Breaker
- Maximum AC Voltage Rating:
- 600 V
- Maximum DC Voltage Rating:
- 500 V
- Frame Type:
- JD
- Series:
- JD6-A
- Interrupting Rating:
- 65 kA at 240 VAC (UL 489), 35 kA at 480 VAC (UL 489), 25 kA at 600 VAC (UL 489), 25 kA at 500 VDC (UL 489), 65/33 kA at 220/240 VAC (IEC), 40/20 kA at 380/415 VAC (IEC)
- Voltage Rating:
- 600 VAC, 500 VDC
- Current Rating:
- 200 A
- Country of Origin:
- Mexico
MSRP $10,761.00Surplus $2,976.80 -
Siemens JD63F400 Molded Case Breakers (MCCBs)
MSRP $4,621.00Surplus $508.04SKU: C15-7520 Brand: Siemens MPN: JD63F400 UPC: 78364321323 Shipping Weight: 20.15 lbs. Shipping Height: 7.00 In. Shipping Length: 15.00 In. Shipping Width: 9.00 In...- SKU:
- C15-7520
- TS PIK:
- 21367667
- Short Description:
- 600 VAC, 500 VDC, 200 to 400 A, 25 kA, 3-Pole, Molded Case, Thermal Magnetic, JD Frame, Circuit Breaker Frame
- Type:
- JD Frame
- Number of Poles:
- 3
- Maximum AC Voltage Rating:
- 600 V
- Catalog:
- SiemensAG_01698_17_78_17_85_CAT.pdf
- Terminal Type:
- Line Lug, Load Lug
- Current Rating:
- 200 to 400 A
- Size:
- 11 Inch L x 7.5 Inch W x 4 Inch D
- Maximum DC Voltage Rating:
- 500 V
- Interrupting Rating:
- 65 kA at 240 VAC, 35 kA at 480 VAC, 25 kA at 600 VAC/500 VDC (UL), 65 kA at 220/240 VAC, 40 kA at 380/415 VAC (IEC)
- Voltage Rating:
- 600 VAC at 50/60 Hz, 500 VDC
- Country of Origin:
- Mexico
MSRP $4,621.00Surplus $508.04 -
Siemens JD63T200 Molded Case Breakers (MCCBs)
MSRP $5,638.00Surplus $1,254.92SKU: C15-7521 Brand: Siemens MPN: JD63T200 UPC: 78364321344 Shipping Weight: 2.40 lbs. Shipping Height: 6.00 In. Shipping Length: 9.00 In. Shipping Width: 6.00 In...- SKU:
- C15-7521
- TS PIK:
- 115459694
- Country of Origin:
- Mexico
MSRP $5,638.00Surplus $1,254.92 -
Siemens JD63T225 Molded Case Breakers (MCCBs)
MSRP $5,638.00Surplus $659.94SKU: C15-7466 Brand: Siemens MPN: JD63T225 UPC: 78364321345 Shipping Weight: 2.50 lbs. Shipping Height: 6.00 In. Shipping Length: 9.00 In. Shipping Width: 6.00 In...- SKU:
- C15-7466
- TS PIK:
- 126675143
- Short Description:
- 600 VAC, 500 VDC, 225 A, 22/35 kA, 3-Pole, 3/0 AWG to 500 KCMIL Copper, 4/0 AWG to 500 KCMIL Aluminum, Line/Load Lug Terminal, JD Frame, Thermal Magnetic, Interchangeable Molded Case Circuit Breaker Trip Unit
- Type:
- Thermal Magnetic, Interchangeable
- Frame Type:
- JD
- Series:
- JD63T
- Catalog:
- SiemensAG_01698_17_78_17_85_CAT.pdf
- Number of Poles:
- 3
- Current Rating:
- 225 A
- Country of Origin:
- Mexico
- Approval:
- UL 489, IEC 947-2
MSRP $5,638.00Surplus $659.94 -
Siemens JD63T250 Molded Case Breakers (MCCBs)
MSRP $5,172.00Surplus $1,565.78Siemens JD63T250 Molded Case Breakers (MCCBs)​ ARCA SKU: C15-7613 Brand: Siemens MPN: JD63T250 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping...- SKU:
- C15-7613
- Short Description:
- 600 VAC, 500 VDC, 250 A, 22/35 kA, 3-Pole, 3/0 AWG to 500 KCMIL Copper, 4/0 AWG to 500 KCMIL Aluminum, Line/Load Lug Terminal, JD Frame, Thermal Magnetic, Interchangeable Molded Case Circuit Breaker Trip Unit
- Series:
- JD63T
- Frame Type:
- JD
- Current Rating:
- 250 A
- Number of Poles:
- 3
- Catalog:
- SiemensAG_01698_17_78_17_85_CAT.pdf
- Type:
- Thermal Magnetic, Interchangeable
- Country of Origin:
- Mexico
MSRP $5,172.00Surplus $1,565.78 -
Siemens JD63T350 Molded Case Breakers (MCCBs)
MSRP $5,638.00Surplus $622.31SKU: C15-7467 Brand: Siemens MPN: JD63T350 UPC: 78364321348 Shipping Weight: 2.55 lbs. Shipping Height: 6.00 In. Shipping Length: 9.00 In. Shipping Width: 6.00 In...- SKU:
- C15-7467
- TS PIK:
- 126672093
- Series:
- JD63T
- Short Description:
- 600 VAC, 500 VDC, 350 A, 22/35 kA, 3-Pole, 3/0 AWG to 500 KCMIL Copper, 4/0 AWG to 500 KCMIL Aluminum, Line/Load Lug Terminal, JD Frame, Thermal Magnetic, Interchangeable Molded Case Circuit Breaker Trip Unit
- Current Rating:
- 350 A
- Frame Type:
- JD
- Type:
- Thermal Magnetic, Interchangeable
- Catalog:
- SiemensAG_01698_17_78_17_85_CAT.pdf
- Number of Poles:
- 3
- Country of Origin:
- Mexico
MSRP $5,638.00Surplus $622.31 -
Siemens JD63T400 Molded Case Breakers (MCCBs)
MSRP $5,638.00Surplus $445.23SKU: C15-7468 Brand: Siemens MPN: JD63T400 UPC: 78364321349 Shipping Weight: 2.15 lbs. Shipping Height: 3.00 In. Shipping Length: 7.00 In. Shipping Width: 2.00 In...- SKU:
- C15-7468
- TS PIK:
- 126672091
- Series:
- JD63T
- Short Description:
- 600 VAC, 500 VDC, 400 A, 22/35 kA, 3-Pole, 3/0 AWG to 500 KCMIL Copper, 4/0 AWG to 500 KCMIL Aluminum, Line/Load Lug Terminal, JD Frame, Thermal Magnetic, Interchangeable Molded Case Circuit Breaker Trip Unit
- Frame Type:
- JD
- Type:
- Thermal Magnetic, Interchangeable
- Catalog:
- SiemensAG_01698_17_78_17_85_CAT.pdf
- Number of Poles:
- 3
- Current Rating:
- 400 A
- Country of Origin:
- Mexico
MSRP $5,638.00Surplus $445.23 -
Siemens JD63T400A Molded Case Breakers (MCCBs)
MSRP $5,638.00Surplus $696.70SKU: C15-8784 Brand: Siemens MPN: JD63T400A UPC: Shipping Weight: 2.45 lbs. Shipping Height: 5.00 In. Shipping Length: 9.00 In. Shipping Width: 5.00 In. Product...- SKU:
- C15-8784
MSRP $5,638.00Surplus $696.70