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 QF250A Miniature Circuit Breakers (MCBs)
MSRP $404.00Surplus $102.91Siemens QF250A Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-8841 Brand: Siemens MPN: QF250A UPC: 88762121675 Shipping Weight: 1.02 lbs. Shipping Height: 3.00 In. Shipping...- SKU:
- C15-8841
- TS PIK:
- 116017976
- Catalog:
- SiemensAG_57237_1_35_CAT.pdf
- Number of Poles:
- 2
- Interrupting Rating:
- 10 kA
- Type:
- Ground Fault Circuit Interrupter
- Voltage Rating:
- 120/240 VAC
- Short Description:
- 120/240 VAC, 50 A, 10 kA, 5 mA, 2-Pole, QPF-Frame, Ground Fault, Circuit Breaker
- Used On:
- Load Center
- Installation/Operator:
- SiemensAG_00697_INST.pdf
- Data Sheet:
- SiemensAG_09373_1_2_DATA.pdf
- Current Rating:
- 50 A
- Country of Origin:
- Philippines
MSRP $404.00Surplus $102.91 -
Siemens QF260A Miniature Circuit Breakers (MCBs) 2P 60A
MSRP $396.00Surplus $169.48Siemens QF260A Miniature Circuit Breakers (MCBs) 2P 60A​ ARCA SKU: C15-6281 Brand: Siemens MPN: QF260A UPC: 88762121678 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping...- SKU:
- C15-6281
- TS PIK:
- 126513863
- Data Sheet:
- SiemensAG_07109_1_DATA.pdf
- Used On:
- Load Center
- Catalog:
- SiemensAG_00562_1_40_CAT.pdf
- Type:
- Circuit Interrupter
- Interrupting Rating:
- 10 kA
- Number of Poles:
- 2
- Short Description:
- 120/240 VAC, 60 A, 10 kA, 5 mA, 2-Pole, Plug-On Mount, QPF Frame, GFCI, Thermal Magnetic Trip Unit, Miniature Circuit Breaker for Load Center
- Current Rating:
- 60 A
- Voltage Rating:
- 120/240 V
- Country of Origin:
- Philippines
MSRP $396.00Surplus $169.48 -
Siemens QJ22B100 Molded Case Breakers (MCCBs) 2P 100A 240V
MSRP $801.00Surplus $720.20Siemens QJ22B100 Molded Case Breakers (MCCBs) 2P 100A 240V​ ARCA SKU: C15-6282 Brand: Siemens MPN: QJ22B100 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping...- SKU:
- C15-6282
MSRP $801.00Surplus $720.20 -
Siemens QJ22B225 Molded Case Breakers (MCCBs)
MSRP $801.00Surplus $394.69SKU: C15-6200 Brand: Siemens MPN: QJ22B225 UPC: 78364319375 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-6200
- TS PIK:
- 21367155
MSRP $801.00Surplus $394.69 -
Siemens QJ23B06000S01 Molded Case Breakers (MCCBs)
MSRP $2,705.00Surplus $444.41SKU: C15-7496 Brand: Siemens MPN: QJ23B06000S01 UPC: 78364320410 Shipping Weight: 4.60 lbs. Shipping Height: 4.00 In. Shipping Length: 8.00 In. Shipping Width: 5.00...- SKU:
- C15-7496
- TS PIK:
- 115459276
- Interrupting Rating:
- 10 kA
- Type:
- Low Vage, Trip Free Mechanism, Shunt Trip
- Current Rating:
- 60 A
- Number of Poles:
- 3
- Terminal Type:
- Not Included
- Voltage Rating:
- 120 VAC
- Country of Origin:
- Mexico
MSRP $2,705.00Surplus $444.41 -
Siemens QJ23B10000S07 Molded Case Breakers (MCCBs)
MSRP $2,705.00Surplus $499.49SKU: C15-7692 Brand: Siemens MPN: QJ23B10000S07 UPC: 78364320815 Shipping Weight: 4.75 lbs. Shipping Height: 4.00 In. Shipping Length: 8.00 In. Shipping Width: 6.00...- SKU:
- C15-7692
- TS PIK:
- 21333945
- Country of Origin:
- Mexico
MSRP $2,705.00Surplus $499.49 -
Siemens QJ23B125H Molded Case Breakers (MCCBs)
MSRP $4,114.00Surplus $558.40SKU: C15-7498 Brand: Siemens MPN: QJ23B125H UPC: 78364319397 Shipping Weight: 4.55 lbs. Shipping Height: 4.00 In. Shipping Length: 8.00 In. Shipping Width: 5.00 In...- SKU:
- C15-7498
- TS PIK:
- 115459280
- Terminal Type:
- Load Lug
- Catalog:
- SiemensAG_01842_7_CAT.pdf
- Type:
- Molded Case, Thermal and Fixed Magnetic
- Short Description:
- 240 VAC, 125 A, 42 kA, 3-Pole, Load Lug Terminal, QJ Frame, Molded Case Circuit Breaker
- Current Rating:
- 125 A
- Interrupting Rating:
- 42 kA at 240 VAC (UL)
- Voltage Rating:
- 240 VAC at 50/60 Hz (UL)
- Number of Poles:
- 3
- Series:
- QJ2H
- Size:
- 4.5 Inch W x 2.53 Inch D x 7 Inch H
- Country of Origin:
- Mexico
MSRP $4,114.00Surplus $558.40 -
Siemens QJ23B150H Molded Case Breakers (MCCBs)
MSRP $3,604.00Surplus $532.74SKU: C15-7380 Brand: Siemens MPN: QJ23B150H UPC: 78364319398 Shipping Weight: 4.50 lbs. Shipping Height: 4.00 In. Shipping Length: 8.00 In. Shipping Width: 5.00 In...- SKU:
- C15-7380
- TS PIK:
- 106247396
- Terminal Type:
- P1/P2/P3/P4/P5 Panelboard
- Size:
- 4.5 Inch W x 2.53 Inch D x 7 Inch H
- Frame Type:
- QJ
- Series:
- QJ2
- Current Rating:
- 150 A
- Voltage Rating:
- 240 VAC at 50/60 Hz (UL)
- Catalog:
- SiemensAG_01842_7_CAT.pdf
- Maximum AC Voltage Rating:
- 150 A
- Type:
- Molded Case, Thermal and Fixed Magnetic
- Interrupting Rating:
- 42 kA at 240 VAC (UL)
- Number of Poles:
- 3
- Short Description:
- 240 VAC, 150 A, 42 kA, 3-Pole, Load Lug Terminal, QJ Frame, Molded Case Circuit Breaker
- Country of Origin:
- Mexico
MSRP $3,604.00Surplus $532.74 -
Siemens QJ23B175 Molded Case Breakers (MCCBs)
MSRP $2,316.00Surplus $306.83SKU: C15-7499 Brand: Siemens MPN: QJ23B175 UPC: 78364319379 Shipping Weight: 4.40 lbs. Shipping Height: 4.00 In. Shipping Length: 8.00 In. Shipping Width: 5.00 In...- SKU:
- C15-7499
- TS PIK:
- 115459283
- Type:
- Thermal Magnetic
- Number of Poles:
- 3
- Current Rating:
- 175 A
- Terminal Type:
- P1/P2/P3/P4/P5 Panelboard
- Catalog:
- SiemensAG_01842_7_CAT.pdf
- Size:
- 4.5 Inch W x 2.53 Inch D x 7 Inch H
- Short Description:
- 240 VAC, 175 A, 10 kA, 3-Pole, Load Lug Terminal, QJ Frame, Molded Case Circuit Breaker
- Voltage Rating:
- 240 VAC at 50/60 Hz (UL)
- Frame Type:
- QJ
- Interrupting Rating:
- 10 kA at 240 VAC (UL 489)
- Series:
- QJ2
- Country of Origin:
- Mexico
MSRP $2,316.00Surplus $306.83 -
Siemens QJ23B17501S01 Molded Case Breakers (MCCBs) QJ2 3P 175A 240V 50/60Hz 3Ph QJ Frame
MSRP $3,210.00Surplus $261.90SKU: C15-3327 Brand: Siemens MPN: QJ23B17501S01 UPC: 783643206533 Shipping Weight: 4.00 lbs. Shipping Height: 5.00 In. Shipping Length: 7.00 In. Shipping Width: 5.00...- SKU:
- C15-3327
- Volts:
- 240 V
- Amps:
- 175 A
- Poles:
- 3
- Frequency Rating:
- 50/60 Hz
- Frame:
- QJ
- Short Description:
- BRKR QJ2 3P 240V 175A 10KA 48V ST/AUX
- Country of Origin:
- Mexico
MSRP $3,210.00Surplus $261.90 -
Siemens QJ23S225A Molded Case Breakers (MCCBs)
MSRP $2,078.00Surplus $259.69SKU: C15-7501 Brand: Siemens MPN: QJ23S225A UPC: 78364319850 Shipping Weight: 4.40 lbs. Shipping Height: 4.00 In. Shipping Length: 8.00 In. Shipping Width: 5.00 In...- SKU:
- C15-7501
- TS PIK:
- 115459292
- Size:
- 4.5 Inch W x 2.53 Inch D x 7 Inch H
- Short Description:
- 240 VAC, 225 A, 10 kA, 3-Pole, Load Lug Terminal, QJ Frame, Molded Case Circuit Breaker
- Current Rating:
- 225 A
- Maximum AC Voltage Rating:
- 240 V
- Type:
- Molded Case Switch
- Number of Poles:
- 3
- Interrupting Rating:
- 10 kA at 240 VAC (UL)
- Terminal Type:
- Load Lug
- Frame Type:
- QJ2
- Voltage Rating:
- 240 VAC at 50/60 Hz
- Country of Origin:
- Mexico
MSRP $2,078.00Surplus $259.69 -
Siemens QJ3B125 Molded Case Breakers (MCCBs)
MSRP $1,443.42Surplus $653.12SKU: E30-11692 Brand: Siemens MPN: QJ3B125 UPC: Shipping Weight: 4.20 lbs. Shipping Height: 3.00 In. Shipping Length: 7.00 In. Shipping Width: 5.00 In. Product...- SKU:
- E30-11692
MSRP $1,443.42Surplus $653.12 -
Siemens QJH22B225 Molded Case Breakers (MCCBs)
MSRP $1,914.00Surplus $448.34SKU: E30-11709 Brand: Siemens MPN: QJH22B225 UPC: 78364319386 Shipping Weight: 3.25 lbs. Shipping Height: 4.00 In. Shipping Length: 8.00 In. Shipping Width: 5.00 In...- SKU:
- E30-11709
- TS PIK:
- 21367166
- Series:
- QJH2
- Short Description:
- 240 VAC, 225 A, 22 kA, 2-Pole, Load Lug Terminal, QJ Frame, Molded Case Circuit Breaker
- Voltage Rating:
- 240 VAC at 50/60 Hz (UL)
- Number of Poles:
- 2
- Type:
- Molded Case, Thermal and Fixed Magnetic
- Current Rating:
- 225 A
- Terminal Type:
- Load Lug
- Interrupting Rating:
- 22 kA at 240 VAC (UL)
- Catalog:
- SiemensAG_01842_7_CAT.pdf
- Size:
- 3 Inch W x 2.53 Inch D x 7 Inch H
- Country of Origin:
- Mexico
MSRP $1,914.00Surplus $448.34 -
Siemens QJH23B070 Molded Case Breakers (MCCBs) EA
MSRP $2,000.00Surplus $821.58SKU: C15-10586 Brand: Siemens MPN: QJH23B070 UPC: 78364320116 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-10586
- TS PIK:
- 115559372
- Country of Origin:
- Mexico
MSRP $2,000.00Surplus $821.58 -
Siemens QJH23B175 Molded Case Breakers (MCCBs)
MSRP $3,242.00Surplus $375.43SKU: E30-11710 Brand: Siemens MPN: QJH23B175 UPC: 78364319389 Shipping Weight: 4.50 lbs. Shipping Height: 4.00 In. Shipping Length: 8.00 In. Shipping Width: 5.00 In...- SKU:
- E30-11710
- TS PIK:
- 120632284
- Number of Poles:
- 3
- Terminal Type:
- Load Lug
- Catalog:
- SiemensAG_01842_7_CAT.pdf
- Voltage Rating:
- 240 VAC at 50/60 Hz (UL)
- Series:
- QJH2
- Current Rating:
- 175 A
- Size:
- 4.5 Inch W x 2.53 Inch D x 7 Inch H
- Short Description:
- 240 VAC, 175 A, 22 kA, 3-Pole, Load Lug Terminal, QJ Frame, Molded Case Circuit Breaker
- Interrupting Rating:
- 22 kA at 240 VAC (UL)
- Type:
- Molded Case, Thermal and Fixed Magnetic
- Country of Origin:
- Mexico
- Approval:
- UL 489, CSA C22.2
- Wire Size:
- 6 AWG to 300 KCMIL (Copper), 4 AWG to 300 KCMIL (Aluminum)
MSRP $3,242.00Surplus $375.43 -
Siemens QJH23B20000S01 Molded Case Breakers (MCCBs)
MSRP $3,538.00Surplus $806.61SKU: C15-7504 Brand: Siemens MPN: QJH23B20000S01 UPC: 78364331999 Shipping Weight: 4.75 lbs. Shipping Height: 4.00 In. Shipping Length: 8.00 In. Shipping Width: 5.00...- SKU:
- C15-7504
- TS PIK:
- 115459298
- Short Description:
- 240 VAC, 200 A, 22 kA, 3-Pole, Load Lug Terminal, QJ Frame, 120/240 VAC Shunt Trip, Molded Case Circuit Breaker
- Number of Poles:
- 3
- Size:
- 4.5 Inch W x 2.53 Inch D x 7 Inch H
- Series:
- QJH2
- Voltage Rating:
- 240 VAC at 50/60 Hz (UL)
- Current Rating:
- 200 A
- Interrupting Rating:
- 22 kA at 240 VAC (UL)
- Type:
- Molded Case, Thermal and Fixed Magnetic
- Terminal Type:
- Load Lug
- Country of Origin:
- Mexico
MSRP $3,538.00Surplus $806.61 -
Siemens QN2150 Miniature Circuit Breakers (MCBs) QN 2P 150A 120/240VAC
MSRP $817.00Surplus $195.51SKU: C15-1495 Brand: Siemens MPN: QN2150 UPC: 783643204270 Shipping Weight: 1.60 lbs. Shipping Height: 2.50 In. Shipping Length: 7.70 In. Shipping Width: 4.10 In...- SKU:
- C15-1495
- Series:
- QN
- Type:
- Thermal Magnetic
- Type:
- Common Trip
- Approval:
- UL 489
- Size:
- 1.9 Inch W x 3.5 Inch D x 6.65 Inch H
- Volts:
- 120/240 VAC (UL)
- Amps:
- 32 A
- Used On:
- Loadcenter
- Poles:
- 2
- Mounting:
- Plug-On
- Interrupting Rating:
- 10 kA (UL)
- Terminal Type:
- Load Lug
- Wire Size:
- 1 AWG to 300 KCMIL (Copper/Aluminum)
- Short Description:
- 120/240 VAC, 150 A, 10 kA, 2-Pole, Plug-In Mount, QN Frame, Thermal Magnetic Trip Unit, Non-Reversible
- Catalog:
- SiemensAG_00564_7_24_CAT.pdf
- Data Sheet:
- SiemensAG_07116_1_DATA.pdf
- Number of Poles:
- 2
- Current Rating:
- 150 A
- Voltage Rating:
- 120/240 VAC (UL)
- Country of Origin:
- Mexico
MSRP $817.00Surplus $195.51 -
Siemens QN2175 Miniature Circuit Breakers (MCBs) EA
MSRP $700.00Surplus $267.29SKU: C15-10588 Brand: Siemens MPN: QN2175 UPC: 78364320428 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-10588
- TS PIK:
- 117091800
- Short Description:
- 120/240 VAC, 175 A, 10 kA, 2-Pole, Plug-On Mount, QN Frame, Thermal Magnetic Trip Unit, Non-Reversible, Main Circuit Breaker for Load Center
- Series:
- QN
- Type:
- Main/Branch, Common Trip
- Terminal Type:
- Load Lug
- Number of Poles:
- 2
- Mounting:
- Plug-On
- Interrupting Rating:
- 10 kA (UL)
- Voltage Rating:
- 120/240 VAC (UL)
- Size:
- 1.9 Inch W x 3.5 Inch D x 6.65 Inch H
- Current Rating:
- 175 A
- Data Sheet:
- SiemensAG_07119_1_DATA.pdf
- Catalog:
- SiemensAG_00564_7_24_CAT.pdf
- Used On:
- Loadcenter
- Wire Size:
- 1 AWG to 300 KCMIL (Copper/Aluminum)
- Country of Origin:
- Mexico
MSRP $700.00Surplus $267.29 -
Siemens QN2175H Miniature Circuit Breakers (MCBs) EA
MSRP $822.00Surplus $314.75SKU: C15-10589 Brand: Siemens MPN: QN2175H UPC: 78364320431 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-10589
- TS PIK:
- 117091803
- Country of Origin:
- Mexico
MSRP $822.00Surplus $314.75 -
Siemens QN2175R Miniature Circuit Breakers (MCBs) EA
MSRP $667.00Surplus $266.28SKU: C15-10590 Brand: Siemens MPN: QN2175R UPC: 78364320424 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-10590
- TS PIK:
- 117091798
- Country of Origin:
- Mexico
MSRP $667.00Surplus $266.28