Circuit Breakers
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.
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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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Lug Terminal Kits
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Auxiliary, Shunt, Trip Units and UVRs
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Circuit Breaker Accessories
- Product
- Qty in Cart
- Price
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Square D QOB120CAFI Miniature Circuit Breakers (MCBs)
MSRP $306.00Surplus $98.63Square D QOB120CAFI Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-8587 Brand: Square D MPN: QOB120CAFI UPC: 78312601136 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In...- SKU:
- C15-8587
- TS PIK:
- 21330951
- Series:
- Series QOB-AFI
- Current Rating:
- 20 A
- Short Description:
- 120 VAC, 20 A, 10 kA, 1-Pole, Bolt-On Mount, Combination ARC Fault Circuit Interrupter
- Poles:
- 1
- Wire Size:
- 12 to 8 AWG (Aluminum), 14 to 8 AWG (Copper)
- Interrupting Rating:
- 10 kA
- Catalog:
- SchneiderElectric-SquareD_03283_9_16_CAT.pdf
- Type:
- Thermal Magnetic
- Approval:
- UL, CSA
- Mounting:
- Bolt-On
- Terminal Type:
- Pressure Plate
- Voltage Rating:
- 120 VAC at 50/60 Hz
- Used On:
- NQ and NQOD Panelboard/Interior
- Data Sheet:
- SchneiderElectric-SquareD_15110_1_2_DATA.pdf
- Application:
- HACR
- Size:
- 0.75 Inch W x 2.91 Inch D x 3 Inch H
- Installation/Operator:
- SchneiderElectric-SquareD_00197_INST.pdf
- Country of Origin:
- Mexico
MSRP $306.00Surplus $98.63 -
Siemens Q12000S01 Shunt Trips
MSRP $307.00Surplus $106.40SKU: A13-1401 Brand: Siemens MPN: Q12000S01 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- A13-1401
- TS PIK:
- 21367397
- Terminal Type:
- Load Lug
- Type:
- Thermal and Fixed Magnetic
- Voltage Rating:
- 120 VAC at 50/60 Hz
- Short Description:
- 120/240 VAC, 20 A, 10 kA, 1-Pole, 14 to 6 AWG Copper/Aluminum, Load Lug Terminal, Plug-On Mount, QP Frame, 120 VAC Shunt Trip, Thermal Magnetic Trip Unit, Miniature Circuit Breaker for Load Center
- Current Rating:
- 20 A
- Catalog:
- SiemensAG_00562_1_41_1_46_1_47_CAT.pdf
- Number of Poles:
- 1
- Used On:
- Loadcenter
- Data Sheet:
- SiemensAG_06966_1_DATA.pdf
- Mounting:
- Plug-On
- Size:
- 1 Inch W x 3 Inch D x 3-1/8 Inch H
- Interrupting Rating:
- 10 kA
- Wire Size:
- 14 to 6 AWG (Copper/Aluminum)
- Installation/Operator:
- SiemensAG_00215_INST.pdf
- Country of Origin:
- Mexico
- Approval:
- UL 489, CSA C22.2
MSRP $307.00Surplus $106.40 -
Contact Us For Quote
Square D QO120K Molded Case Breakers (MCCBs)
MSRP $216.00Surplus $58.32SKU: C15-17737 Brand: Square D MPN: QO120K UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- C15-17737
- Terminal Type:
- Pressure Plate
- Catalog:
- SchneiderElectric-SquareD_03264_1_6_CAT.pdf
- CAD Drawings:
- SchneiderElectric-SquareD_03065_1_CAD.pdf
- Approval:
- UL, CSA
- Data Sheet:
- SchneiderElectric-SquareD_14847_1_2_DATA.pdf
- Voltage Rating:
- 120 VAC at 50/60 Hz
- Wire Size:
- 14 to 8 AWG (Aluminum/Copper)
- Used On:
- QO Load Center, NQOD Panelboard, OEM Interior/Speed-D Switchboard Distribution Panel
- Interrupting Rating:
- 10 kA
- Current Rating:
- 20 A
- Size:
- 0.75 Inch W x 2.91 Inch D x 3 Inch H
- Short Description:
- 120/240 VAC 50/60 Hz, 20 A, 10 kA Interrupt, 1-Pole, Plug-On Mount, 1-Panel Space, Pressure Plate Terminal, Key Operated, Miniature Circuit Breaker
- Number of Poles:
- 1
- Mounting:
- Plug-On
- Series:
- QO-K
MSRP $216.00Surplus $58.32
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