
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 QO2501021 Miniature Circuit Breakers (MCBs) EA
MSRP $348.49Surplus $525.05Square D QO2501021 Miniature Circuit Breakers (MCBs) EA​ ARCA SKU: C15-9350 Brand: Square D MPN: QO2501021 UPC: 78590149401 Shipping Weight: 0.95 lbs. Shipping Height: 3.00 In...- SKU:
- C15-9350
- TS PIK:
- 111089497
- CAD Drawings:
- SchneiderElectric-SquareD_03059_1_CAD.pdf
- Mounting:
- Plug-On
- Voltage Rating:
- 120/240 VAC at 50/60 Hz
- Number of Poles:
- 2
- Terminal Type:
- Box Lug
- Interrupting Rating:
- 10 kA
- Catalog:
- SchneiderElectric-SquareD_03264_1_3_1_9_1_39_CAT.pdf
- Current Rating:
- 50 A
- Wire Size:
- 8 to 2 AWG (Aluminum/Copper)
- Used On:
- QO Load Center, NQOD Panelboard, OEM Interior/Speed-D Switchboard Distribution Panel
- Type:
- Common Trip, Thermal Magnetic
- Size:
- 1.5 Inch W x 2.91 Inch D x 3 Inch H
- Data Sheet:
- SchneiderElectric-SquareD_14982_1_2_DATA.pdf
- Short Description:
- 120/240 VAC 50/60 Hz, 48 VDC, 50 A, 10 kA Interrupt, 2-Pole, Plug-On Mount, 3-Panel Space, Box Lug Terminal, AC Shunt Trip, Standard, Miniature Circuit Breaker
- Country of Origin:
- Mexico
MSRP $348.49Surplus $525.05 -
Square D QO2151021 Miniature Circuit Breakers (MCBs)
MSRP $348.49Surplus $368.83SKU: C15-10884 Brand: Square D MPN: QO2151021 UPC: 78590149392 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-10884
- TS PIK:
- 111089493
- Type:
- Common Trip, Thermal Magnetic
- Terminal Type:
- Pressure Plate
- Short Description:
- 120/240 VAC 50/60 Hz, 48 VDC, 15 A, 10 kA Interrupt, 2-Pole, Plug-On Mount, 3-Panel Space, Pressure Plate Terminal, Standard, Miniature Circuit Breaker
- Size:
- 1.5 Inch W x 2.91 Inch D x 3 Inch H
- Catalog:
- SchneiderElectric-SquareD_03264_1_3_1_9_1_39_1_47_CAT.pdf
- Current Rating:
- 15 A
- Number of Poles:
- 2
- Interrupting Rating:
- 10 kA
- Data Sheet:
- SchneiderElectric-SquareD_14939_1_2_DATA.pdf
- Mounting:
- Plug-On
- Voltage Rating:
- 120/240 VAC at 50/60 Hz
- Wire Size:
- 14 to 8 AWG (Aluminum/Copper), (2) 14 to 10 AWG (Copper)
- Used On:
- QO Load Center, NQOD Panelboard, OEM Interior/Speed-D Switchboard Distribution Panel
MSRP $348.49Surplus $368.83 -
Square D QO2201021 Miniature Circuit Breakers (MCBs) 120V
Surplus $525.05Square D QO2201021 Miniature Circuit Breakers (MCBs) 120V​ ARCA SKU: C15-8610 Brand: Square D MPN: QO2201021 UPC: 78312604212 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In...- SKU:
- C15-8610
- TS PIK:
- 21331636
- Type:
- Common Trip, Thermal Magnetic
- Voltage Rating:
- 120/240 VAC at 50/60 Hz
- Number of Poles:
- 2
- Mounting:
- Plug-On
- Short Description:
- 120/240 VAC 50/60 Hz, 48 VDC, 20 A, 10 kA Interrupt, 2-Pole, Plug-On Mount, 3-Panel Space, Pressure Plate Terminal, AC Shunt Trip, Standard, Miniature Circuit Breaker
- Data Sheet:
- SchneiderElectric-SquareD_14950_1_2_DATA.pdf
- Current Rating:
- 20 A
- Wire Size:
- 14 to 8 AWG (Aluminum/Copper), (2) 14 to 10 AWG (Copper)
- Terminal Type:
- Pressure Plate
- Interrupting Rating:
- 10 kA
- Size:
- 1.5 Inch W x 2.91 Inch D x 3 Inch H
- Catalog:
- SchneiderElectric-SquareD_03264_1_3_1_9_CAT.pdf
- Used On:
- QO Load Center, NQOD Panelboard, OEM Interior/Speed-D Switchboard Distribution Panel
Surplus $525.05 -
Square D QO2301021 Miniature Circuit Breakers (MCBs)
MSRP $348.49Surplus $327.12SKU: C15-10891 Brand: Square D MPN: QO2301021 UPC: 78590149395 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-10891
- TS PIK:
- 111089495
- Data Sheet:
- SchneiderElectric-SquareD_14962_1_2_DATA.pdf
- Current Rating:
- 30 A
- Voltage Rating:
- 120/240 VAC at 50/60 Hz
- Type:
- Common Trip, Thermal Magnetic
- Terminal Type:
- Pressure Plate
- Short Description:
- 120/240 VAC 50/60 Hz, 48 VDC, 30 A, 10 kA Interrupt, 2-Pole, Plug-On Mount, 3-Panel Space, Pressure Plate Terminal, AC Shunt Trip, Standard, Miniature Circuit Breaker
- CAD Drawings:
- SchneiderElectric-SquareD_03068_1_CAD.pdf
- Wire Size:
- 14 to 8 AWG (Aluminum/Copper), (2) 14 to 10 AWG (Copper)
- Used On:
- QO Load Center, NQOD Panelboard, OEM Interior/Speed-D Switchboard Distribution Panel
- Size:
- 1.5 Inch W x 2.91 Inch D x 3 Inch H
- Catalog:
- SchneiderElectric-SquareD_03264_1_3_1_9_CAT.pdf
- Interrupting Rating:
- 10 kA
- Number of Poles:
- 2
- Mounting:
- Plug-On
MSRP $348.49Surplus $327.12 -
Square D QO2401021 Miniature Circuit Breakers (MCBs) QO 2P 40A 240V 50/60Hz 1Ph
MSRP $367.55Surplus $525.05Square D QO2401021 Miniature Circuit Breakers (MCBs) QO 2P 40A 240V 50/60Hz 1Ph​ ARCA SKU: C15-3914 Brand: Square D MPN: QO2401021 UPC: 785901493983 Shipping Weight: 0.95 Shipping...- SKU:
- C15-3914
- Type:
- Common Trip
- Type:
- Thermal Magnetic
- Approval:
- UL
- Approval:
- CSA
- Size:
- 1.5 Inch W x 2.91 Inch D x 3 Inch H
- Volts:
- 120/240 VAC at 50/60 Hz
- Amps:
- 32 A
- Used On:
- QO Load Center
- Used On:
- NQOD Panelboard
- Used On:
- OEM Interior/Speed-D Switchboard Distribution Panel
- Poles:
- 2
- Mounting:
- Plug-On
- Interrupting Rating:
- 10 kA
- Terminal Type:
- Box Lug
- Wire Size:
- 8 to 2 AWG (Aluminum/Copper)
- Short Description:
- 120/240 VAC 50/60 Hz, 48 VDC, 40 A, 10 kA Interrupt, 2-Pole, Plug-In Mount, 3-Panel Space, Box Lug Terminal, AC Shunt Trip, Standard
- Catalog:
- SchneiderElectric-SquareD_03264_1_3_1_9_1_39_CAT.pdf
- Data Sheet:
- SchneiderElectric-SquareD_14970_1_2_DATA.pdf
- CAD Drawing:
- SchneiderElectric-SquareD_03068_1_CAD.pdf
- Voltage Rating:
- 120/240 VAC at 50/60 Hz
- CAD Drawings:
- SchneiderElectric-SquareD_03068_1_CAD.pdf
- Number of Poles:
- 2
- Current Rating:
- 40 A
- Country of Origin:
- Mexico
MSRP $367.55Surplus $525.05 -
Square D QO260EPD Miniature Circuit Breakers (MCBs)
MSRP $970.61Surplus $482.96SKU: C15-10897 Brand: Square D MPN: QO260EPD UPC: 78590194080 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-10897
- TS PIK:
- 123370568
- Type:
- Thermal Magnetic, Common Trip, Equipment Protector
- Short Description:
- 120/240 VAC, 60 A, 2-Pole, 10 kA, Plug-On, Box Lug Terminal, Thermal Magnetic, Common Trip, Equipment Protector, Miniature Circuit Breaker
- Terminal Type:
- Box Lug
- Prop 65 Warning:
- Yes
- Catalog:
- SchneiderElectric-SquareD_03264_1_6_CAT.pdf
- Installation/Operator:
- SchneiderElectric-SquareD_00133_INST.pdf
- Voltage Rating:
- 120/240 VAC at 50/60 Hz
- Data Sheet:
- SchneiderElectric-SquareD_05126_1_2_DATA.pdf
- Mounting:
- Plug-On
- Wire Size:
- 12 to 4 AWG (Aluminum), 14 to 6 AWG (Copper)
- Size:
- 1.5 Inch W x 2.91 Inch D x 3.12 Inch H
- Used On:
- QO Loadcenter, NQOD Panelboard, OEM Interior/Speed-D Switchboard Distribution Panel
- Number of Poles:
- 2
- Interrupting Rating:
- 10 kA
- Current Rating:
- 60 A
MSRP $970.61Surplus $482.96
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