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 PJL36120 Molded Case Breakers (MCCBs)
MSRP $20,250.00Surplus $7,101.64SKU: C15-7240 Brand: Square D MPN: PJL36120 UPC: 78590188662 Shipping Weight: 39.00 lbs. Shipping Height: 13.00 In. Shipping Length: 21.00 In. Shipping Width: 12.00...- SKU:
- C15-7240
- TS PIK:
- 120071517
- Voltage Rating:
- 600 VAC 50/60 Hertz
- Current Rating:
- 1200 A
- Frame Type:
- P
- Short Description:
- 600 VAC 50/60 Hz, 1200 A, 25 kA, 3-Pole, P-Frame, Unit Mount, Line/Load Lug Terminal, 80% Continuous Current, Basic Electronic ET 1.0I, Molded Case Circuit Breaker
- Interrupting Rating:
- 25 kA at 600 VAC
- Number of Poles:
- 3
- Data Sheet:
- SchneiderElectric_15543_1_2_DATA.pdf
- Size:
- 8.27 Inch Width x 8.05 Inch Depth x 16.16 Inch Height
- Series:
- PJ
- Catalog:
- SchneiderElectric-SquareD_32357_7_41_CAT.pdf
- Maximum AC Voltage Rating:
- 600 V
- Installation/Operator:
- SchneiderElectric-Telemecanique_00352_INST.pdf
- Terminal Type:
- Line/Load Lug
- Type:
- Basic Electronic ET 1.0I, I
- CAD Drawings:
- SchneiderElectric_30244_1_CAD.pdf
- Prop 65 Warning:
- Yes
- Country of Origin:
- Italy
MSRP $20,250.00Surplus $7,101.64 -
Square D PK2MB Circuit Breaker Accessories
MSRP $8.00Surplus $5.64Square D PK2MB Circuit Breaker Accessories​ ARCA SKU: C15-2622 Brand: Square D MPN: PK2MB UPC: 047569517341 Shipping Weight: 0.05 lbs. Shipping Height: 2.00 In. Shipping...- SKU:
- C15-2622
- Type:
- Backfed Main Circuit Breaker Retaining Kit
- Used On:
- QO
- Used On:
- Homeline 6?1 2
- Used On:
- 4? 8
- Used On:
- 8?16 Loadcenter Loadcenter
- Poles:
- 2
- Short Description:
- 3-Pole
- Catalog:
- SchneiderElectric-SquareD_03264_1_27_CAT.pdf
- Data Sheet:
- SchneiderElectric-SquareD_14551_1_DATA.pdf
- Installation/Operator:
- SchneiderElectric-SquareD_00850_INST.pdf
- TS PIK:
- 111093944
- Prop 65 Warning:
- Yes
- Country of Origin:
- United States
MSRP $8.00Surplus $5.64 -
Square D Q1150AN Circuit Breaker Accessories EA
MSRP $32.40Surplus $11.51Square D Q1150AN Circuit Breaker Accessories EA​ ARCA SKU: C15-6578 Brand: Square D MPN: Q1150AN UPC: 78590182153 Shipping Weight: 0.20 lbs. Shipping Height: 1.00 In. Shipping...- SKU:
- C15-6578
- Short Description:
- 150 A, 1 to 4/0 AWG Aluminum/Copper, Panelboard Lug Kit
- Catalog:
- SchneiderElectric-SquareD_08306_15_CAT.pdf
- Prop 65 Warning:
- Yes
- Type:
- Neutral Lug
- Installation/Operator:
- SchneiderElectric-SquareD_00871_INST.pdf
- Data Sheet:
- SchneiderElectric-SquareD_14609_1_2_DATA.pdf
- Used On:
- NQOD Series Merchandised Panelboard
- Country of Origin:
- United States
MSRP $32.40Surplus $11.51 -
Square D Q1B370 Molded Case Breakers (MCCBs)
MSRP $297.00Surplus $95.26Square D Q1B370 Molded Case Breakers (MCCBs)​ ARCA SKU: C15-7234 Brand: Square D MPN: Q1B370 UPC: Shipping Weight: 2.00 lbs. Shipping Height: 3.00 In. Shipping Length: 7...- SKU:
- C15-7234
MSRP $297.00Surplus $95.26 -
Square D Q1L225 Molded Case Breakers (MCCBs)
MSRP $950.00Surplus $173.34Square D Q1L225 Molded Case Breakers (MCCBs)​ ARCA SKU: C15-7236 Brand: Square D MPN: Q1L225 UPC: Shipping Weight: 0.25 lbs. Shipping Height: 2.00 In. Shipping Length: 7...- SKU:
- C15-7236
MSRP $950.00Surplus $173.34 -
Square D Q1L370-1021 Molded Case Breakers (MCCBs)
MSRP $1,500.00Surplus $200.40Square D Q1L370-1021 Molded Case Breakers (MCCBs)​ ARCA SKU: C15-7239 Brand: Square D MPN: Q1L370-1021 UPC: Shipping Weight: 2.20 lbs. Shipping Height: 4.00 In. Shipping...- SKU:
- C15-7239
MSRP $1,500.00Surplus $200.40 -
Square D Q221150AB Molded Case Breakers (MCCBs)
MSRP $1,140.00Surplus $211.76Square D Q221150AB Molded Case Breakers (MCCBs)​ ARCA SKU: C15-6446 Brand: Square D MPN: Q221150AB UPC: Shipping Weight: 3.95 lbs. Shipping Height: 4.00 In. Shipping...- SKU:
- C15-6446
MSRP $1,140.00Surplus $211.76 -
Square D Q2L2125 Molded Case Breakers (MCCBs)
MSRP $1,100.00Surplus $164.62Square D Q2L2125 Molded Case Breakers (MCCBs)​ ARCA SKU: C15-7233 Brand: Square D MPN: Q2L2125 UPC: Shipping Weight: 2.75 lbs. Shipping Height: 4.00 In. Shipping...- SKU:
- C15-7233
MSRP $1,100.00Surplus $164.62 -
Square D Q2L3100H Molded Case Breakers (MCCBs)
MSRP $1,050.00Surplus $249.57Square D Q2L3100H Molded Case Breakers (MCCBs)​ ARCA SKU: C15-7235 Brand: Square D MPN: Q2L3100H UPC: Shipping Weight: 4.15 lbs. Shipping Height: 5.00 In. Shipping...- SKU:
- C15-7235
MSRP $1,050.00Surplus $249.57 -
Square D Q2L3125 Molded Case Breakers (MCCBs)
MSRP $1,250.00Surplus $251.25SKU: C15-7217 Brand: Square D MPN: Q2L3125 UPC: Shipping Weight: 4.05 lbs. Shipping Height: 5.00 In. Shipping Length: 8.00 In. Shipping Width: 5.00 In. Product...- SKU:
- C15-7217
MSRP $1,250.00Surplus $251.25 -
Square D Q2L3150 Molded Case Breakers (MCCBs)
MSRP $912.00Surplus $157.59SKU: C15-7218 Brand: Square D MPN: Q2L3150 UPC: Shipping Weight: 4.00 lbs. Shipping Height: 5.00 In. Shipping Length: 8.00 In. Shipping Width: 5.00 In. Product...- SKU:
- C15-7218
MSRP $912.00Surplus $157.59 -
Square D Q2L3225 Molded Case Breakers (MCCBs)
MSRP $625.00Surplus $121.53Square D Q2L3225 Molded Case Breakers (MCCBs)​ ARCA SKU: C15-7216 Brand: Square D MPN: Q2L3225 UPC: Shipping Weight: 4.05 lbs. Shipping Height: 5.00 In. Shipping...- SKU:
- C15-7216
MSRP $625.00Surplus $121.53 -
Square D Q2L3225H Molded Case Breakers (MCCBs)
MSRP $2,497.32Surplus $208.37SKU: C15-2189 Brand: Square D MPN: Q2L3225H UPC: Shipping Weight: 3.80 lbs. Shipping Height: 5.00 In. Shipping Length: 8.00 In. Shipping Width: 5.00 In. Product...- SKU:
- C15-2189
- Frame Type:
- Q
- Voltage Rating:
- 240 V
- Current Rating:
- 225 A
- Number of Poles:
- 3
- Short Description:
- Q2L3225H Molded Case Circuit Breaker manufactured by Square D. Key features include 225 Aerage, Feed-Thru Connection, LI - Long-Time and Instantaneous Functions, 3 Phase, 3 Poles
- Series:
- Q
- Number of Phases:
- 3
MSRP $2,497.32Surplus $208.37 -
Square D Q2M2200VH Molded Case Breakers (MCCBs)
MSRP $1,691.00Surplus $254.01SKU: C15-7220 Brand: Square D MPN: Q2M2200VH UPC: Shipping Weight: 2.70 lbs. Shipping Height: 5.00 In. Shipping Length: 8.00 In. Shipping Width: 4.00 In. Product...- SKU:
- C15-7220
MSRP $1,691.00Surplus $254.01 -
Square D Q2M3100MT Molded Case Breakers (MCCBs)
MSRP $1,400.00Surplus $337.77SKU: C15-7211 Brand: Square D MPN: Q2M3100MT UPC: Shipping Weight: 3.80 lbs. Shipping Height: 5.00 In. Shipping Length: 8.00 In. Shipping Width: 6.00 In. Product...- SKU:
- C15-7211
MSRP $1,400.00Surplus $337.77 -
Square D Q2M32000MT Molded Case Breakers (MCCBs)
MSRP $450.00Surplus $60.70Square D Q2M32000MT Molded Case Breakers (MCCBs)​ ARCA SKU: C15-7213 Brand: Square D MPN: Q2M32000MT UPC: Shipping Weight: 3.75 lbs. Shipping Height: 5.00 In. Shipping...- SKU:
- C15-7213
MSRP $450.00Surplus $60.70 -
Square D Q4L23001021 Molded Case Breakers (MCCBs)
MSRP $3,250.00Surplus $433.21SKU: C15-7224 Brand: Square D MPN: Q4L23001021 UPC: Shipping Weight: 15.15 lbs. Shipping Height: 9.00 In. Shipping Length: 18.00 In. Shipping Width: 12.00 In...- SKU:
- C15-7224
MSRP $3,250.00Surplus $433.21 -
Square D QBA32125 Molded Case Breakers (MCCBs)
MSRP $1,913.00Surplus $476.17SKU: C15-7225 Brand: Square D MPN: QBA32125 UPC: 78590140518 Shipping Weight: 6.80 lbs. Shipping Height: 6.00 In. Shipping Length: 12.00 In. Shipping Width: 8.00 In...- SKU:
- C15-7225
- TS PIK:
- 120071915
- Number of Poles:
- 3
- Installation/Operator:
- SchneiderElectric-SquareD_02030_INST.pdf
- Catalog:
- SchneiderElectric-SquareD_32357_9_57_CAT.pdf
- Type:
- Thermal Magnetic
- Interrupting Rating:
- 10 kA at 240 VAC
- Series:
- QB
- Data Sheet:
- SchneiderElectric_15643_1_2_DATA.pdf
- Voltage Rating:
- 240 VAC 50/60 Hertz
- CAD Drawings:
- SchneiderElectric_30259_1_CAD.pdf
- Current Rating:
- 125 A
- Short Description:
- 240 VAC 50/60 Hz, 125 A, 10 kA, 3-Pole, Q-Frame, ABC Phase, Line Lug Load Terminal, Thermal Magnetic, Panelboard Molded Case Circuit Breaker
- Prop 65 Warning:
- Yes
- Country of Origin:
- Mexico
MSRP $1,913.00Surplus $476.17 -
Square D QBA32150 Molded Case Breakers (MCCBs) EA
MSRP $1,913.00Surplus $863.17SKU: C15-7221 Brand: Square D MPN: QBA32150 UPC: 78590141265 Shipping Weight: 6.35 lbs. Shipping Height: 6.00 In. Shipping Length: 10.00 In. Shipping Width: 9.00 In...- SKU:
- C15-7221
- TS PIK:
- 119493638
- Installation/Operator:
- SchneiderElectric-SquareD_02030_INST.pdf
- Short Description:
- 240 VAC 50/60 Hz, 150 A, 10 kA, 3-Pole, Q-Frame, ABC Phase, Line Lug Load Terminal, Thermal Magnetic, Panelboard Molded Case Circuit Breaker
- Prop 65 Warning:
- Yes
- Number of Poles:
- 3
- Series:
- QB
- CAD Drawings:
- SchneiderElectric_30259_1_CAD.pdf
- Voltage Rating:
- 240 VAC 50/60 Hertz
- Type:
- Thermal Magnetic
- Catalog:
- SchneiderElectric-SquareD_32357_9_57_CAT.pdf
- Data Sheet:
- SchneiderElectric_15644_1_2_DATA.pdf
- Current Rating:
- 150 A
- Interrupting Rating:
- 10 kA at 240 VAC
- Country of Origin:
- Mexico
MSRP $1,913.00Surplus $863.17 -
Square D QBA32175 Molded Case Breakers (MCCBs)
MSRP $1,913.00Surplus $883.27SKU: C15-10847 Brand: Square D MPN: QBA32175 UPC: 78590140514 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-10847
- TS PIK:
- 119493610
- Number of Poles:
- 3
- CAD Drawings:
- SchneiderElectric_30259_1_CAD.pdf
- Type:
- Thermal Magnetic
- Short Description:
- 240 VAC 50/60 Hz, 175 A, 10 kA, 3-Pole, Q-Frame, ABC Phase, Line Lug Load Terminal, Thermal Magnetic, Panelboard Molded Case Circuit Breaker
- Interrupting Rating:
- 10 kA at 240 VAC
- Installation/Operator:
- SchneiderElectric-SquareD_02030_INST.pdf
- Current Rating:
- 175 A
- Catalog:
- SchneiderElectric-SquareD_32357_9_57_CAT.pdf
- Prop 65 Warning:
- Yes
- Series:
- QB
- Data Sheet:
- SchneiderElectric_15645_1_2_DATA.pdf
- Voltage Rating:
- 240 VAC 50/60 Hertz
- Country of Origin:
- Mexico
MSRP $1,913.00Surplus $883.27