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 EGB34040 Miniature Circuit Breakers (MCBs) EGB 3P 40A 600V 50/60Hz 3Ph EA
MSRP $1,245.00Surplus $301.00Square D EGB34040 Miniature Circuit Breakers (MCBs) EGB 3P 40A 600V 50/60Hz 3Ph EA​ ARCA SKU: C15-4852 Brand: Square D MPN: EGB34040 UPC: 785901311171 Shipping Weight: 3.55 lbs. Shipping...- SKU:
- C15-4852
- Series:
- EGB
- Type:
- Thermal Magnetic
- Type:
- Branch
- Type:
- Miniature
- Approval:
- UL (Canada and US)
- Volts:
- 480 Star/277 VAC
- Amps:
- 32 A
- Used On:
- NF Merchandised Panelboard
- Poles:
- 3
- Interrupting Rating:
- 35 kA at 480 Star/277 VAC
- Application:
- Lighting
- Installation:
- Bolt-On
- Trip Setting:
- 630 A (Hold)
- Trip Setting:
- 1800 Amp (Trip)
- Short Description:
- 480 Star/277 VAC, 40 A, 35 kA, 3-Pole, E-Frame, Bolt-On Mount, Aluminum Lug Terminal, Thermal Magnetic, Branch, Miniature
- Catalog:
- SchneiderElectric-SquareD_32357_9_31-9_33_CAT.pdf
- Data Sheet:
- SchneiderElectric-SquareD_45679_1_2_DATA.pdf
- Installation/Operator:
- SchneiderElectric-SquareD_01117_INST.pdf
- Manufacturer Warranty:
- SchneiderElectric-SquareD_00002_WARR.pdf
- TS PIK:
- 124275625
- Current Rating:
- 40 A
- Number of Poles:
- 3
- Voltage Rating:
- 277/480 VAC
- Mounting:
- Bolt-On
- Country of Origin:
- United States
MSRP $1,245.00Surplus $301.00 -
Contact Us For Quote
Square D QOB140HID Molded Case Breakers (MCCBs)
MSRP $42.00Surplus $11.34SKU: C15-17842 Brand: Square D MPN: QOB140HID UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- C15-17842
- Wire Size:
- 8 to 2 AWG (Aluminum/Copper)
- Short Description:
- 120/240 VAC 50/60 Hz, 40 A, 10 kA Interrupt, 1-Pole, Bolt-On Mount, 1-Panel Space, Box Lug Terminal, High Intensity Discharge, Miniature Circuit Breaker
- Current Rating:
- 40 A
- Series:
- QOB-HID
- Interrupting Rating:
- 10 kA
- Type:
- Thermal Magnetic
- Size:
- 0.75 Inch W x 2.91 Inch D x 3 Inch H
- Installation/Operator:
- SchneiderElectric-SquareD_00832_INST.pdf
- Terminal Type:
- Box Lug
- Poles:
- 1
- Mounting:
- Bolt-On
- Data Sheet:
- SchneiderElectric-SquareD_15131_1_2_DATA.pdf
- Voltage Rating:
- 120/240 VAC at 50/60 Hz (UL/CSA)
- Used On:
- NQ and NQOD Panelboard/Interior
- Application:
- Fluorescent/HID Lighting
- Catalog:
- SchneiderElectric_00260_9_15_CAT.pdf
- Approval:
- UL, CSA
MSRP $42.00Surplus $11.34 -
Square D QOB240 Miniature Circuit Breakers (MCBs) 2P 40A 120V
MSRP $91.54Surplus $31.04Square D QOB240 Miniature Circuit Breakers (MCBs) 2P 40A 120V​ ARCA SKU: C15-6628 Brand: Square D MPN: QOB240 UPC: 78590141694 Shipping Weight: 1.25 lbs. Shipping Height: 4.00 In...- SKU:
- C15-6628
- TS PIK:
- 123180737
- Installation/Operator:
- SchneiderElectric-SquareD_02166_INST.pdf
- Data Sheet:
- SchneiderElectric_21328_1_2_DATA.pdf
- Used On:
- NQ Merchandised Panelboard
- Catalog:
- SchneiderElectric-SquareD_32357_9_10_CAT.pdf
- Current Rating:
- 40 A
- Number of Poles:
- 2
- Type:
- Miniature, Standard
- Short Description:
- 120/240 VAC 50/60 Hz, 48 VDC, 40 A, 10 kA, 2-Pole, Q-Frame, Bolt-On Mount, Box Lug Terminal, Miniature, Standard, Panelboard Circuit Breaker
- Interrupting Rating:
- 10 kA at 120/240 VAC, 5 kA at 48 VDC
- Voltage Rating:
- 120/240 VAC 50/60 Hertz, 48 VDC
- Series:
- QOB
- Mounting:
- Bolt-On
- Country of Origin:
- Mexico
- Approval:
- UL, CSA
- Installation:
- Bolt-On
MSRP $91.54Surplus $31.04 -
Square D QOB240EPD Miniature Circuit Breakers (MCBs)
MSRP $717.88Surplus $243.07Square D QOB240EPD Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-6552 Brand: Square D MPN: QOB240EPD UPC: 78590111649 Shipping Weight: 1.05 lbs. Shipping Height: 2.00 In...- SKU:
- C15-6552
- TS PIK:
- 109594863
- Short Description:
- 120/240 VAC 50/60 Hz, 40 A, 10 kA Interrupt, 2-Pole, Bolt-On Mount, 2-Panel Space, Box Lug Terminal, 30 mA Class B Ground Fault, Miniature Circuit Breaker
- Current Rating:
- 40 A
- Type:
- Thermal Magnetic, Miniature
- Terminal Type:
- Box Lug
- Voltage Rating:
- 120/240 VAC
- Size:
- 1.5 Inch Width x 2.91 Inch Depth x 4.12 Inch Height
- Mounting:
- Bolt-On
- Interrupting Rating:
- 10 kA
- Number of Poles:
- 2
- Catalog:
- SchneiderElectric-SquareD_03283_9_14_CAT.pdf
- Used On:
- NQ/NQOD Panelboard
- Wire Size:
- 12 to 4 AWG (Aluminum), 14 to 6 AWG (Copper)
- Data Sheet:
- SchneiderElectric-SquareD_15170_1_2_DATA.pdf
- Installation/Operator:
- SchneiderElectric-SquareD_00133_INST.pdf
- Prop 65 Warning:
- Yes
- Country of Origin:
- Mexico
- Trip Sensitivity:
- 30 MilliA
- Approval:
- UL, CSA
MSRP $717.88Surplus $243.07 -
Contact Us For Quote
Square D QOB240GFI Molded Case Breakers (MCCBs)
MSRP $653.00Surplus $176.31SKU: C15-18870 Brand: Square D MPN: QOB240GFI UPC: 78590136295 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-18870
- Wire Size:
- 12 to 4 AWG (Aluminum), 14 to 6 AWG (Copper)
- Prop 65 Warning:
- Yes
- Used On:
- NQOD Panelboard/Interior
- Series:
- QOB-GFI
- Current Rating:
- 40 A
- Number of Poles:
- 2
- Type:
- Thermal Magnetic, Common Trip, Equipment Protector
- Terminal Type:
- Box Lug
- Data Sheet:
- SchneiderElectric-SquareD_15171_1_2_DATA.pdf
- Catalog:
- SchneiderElectric-SquareD_03283_9_14_CAT.pdf
- Size:
- 1.5 Inch W x 2.91 Inch D x 4.12 Inch H
- Mounting:
- Bolt-On
- Short Description:
- 120/240 VAC 50/60 Hz, 40 A, 10 kA Interrupt, 2-Pole, Bolt-On Mount, 2-Panel Space, Box Lug Terminal, Pigtail, 6 mA Class A Ground Fault, Miniature Circuit Breaker
- Interrupting Rating:
- 10 kA
- Voltage Rating:
- 120/240 VAC at 50/60 Hz (UL/CSA)
- Approval:
- UL, CSA
- Installation/Operator:
- SchneiderElectric-SquareD_00198_INST.pdf
MSRP $653.00Surplus $176.31
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