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 QO370 Miniature Circuit Breakers (MCBs) 3P 70A 240V
MSRP $340.20Surplus $135.66Square D QO370 Miniature Circuit Breakers (MCBs) 3P 70A 240V​ ARCA SKU: C15-6590 Brand: Square D MPN: QO370 UPC: 78590100438 Shipping Weight: 1.05 lbs. Shipping Height: 3.00 In...- SKU:
- C15-6590
- TS PIK:
- 109595132
- Mounting:
- Plug-On
- Short Description:
- 120/240 VAC 50/60 Hz, 70 A, 10 kA Interrupt, 3-Pole, 8 to 2 AWG Copper/Aluminum, Plug-In Mount, Box Lug Terminal, Standard, Miniature Circuit Breaker
- Series:
- QO
- Size:
- 2.24 Inch Width x 2.91 Inch Depth x 3.11 Inch Height
- Voltage Rating:
- 120/240 VAC
- Terminal Type:
- Box Lug
- Number of Poles:
- 3
- Type:
- Common Trip, Miniature, Standard
- Current Rating:
- 70 A
- Interrupting Rating:
- 10 kA
- Installation/Operator:
- SchneiderElectric-SquareD_01265_INST.pdf
- Used On:
- QO Load Center, NQ/NQOD Panelboard/OEM Interior/Speed-D Switchboard Distribution Panel
- Wire Size:
- 8 to 2 AWG (Copper/Aluminum)
- Data Sheet:
- SchneiderElectric-SquareD_53610_1_2_DATA.pdf
- Catalog:
- SchneiderElectric-SquareD_32357_1_2_1_3_CAT.pdf
- Country of Origin:
- United States
- Approval:
- UL, CSA
MSRP $340.20Surplus $135.66 -
Square D QO170 Miniature Circuit Breakers (MCBs)
MSRP $67.00Surplus $19.50Square D QO170 Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-6531 Brand: Square D MPN: QO170 UPC: 78590147747 Shipping Weight: 0.35 lbs. Shipping Height: 3.00 In. Shipping...- SKU:
- C15-6531
- TS PIK:
- 109595036
- Number of Poles:
- 1
- Series:
- QO
- Type:
- Miniature, Standard
- Mounting:
- Plug-On
- Current Rating:
- 70 A
- Size:
- 0.75 Inch Width x 2.91 Inch Depth x 3.11 Inch Height
- Wire Size:
- 8 to 2 AWG (Copper/Aluminum)
- Voltage Rating:
- 120/240 VAC
- Installation/Operator:
- SchneiderElectric-SquareD_01259_INST.pdf
- Interrupting Rating:
- 5/10 kA
- Used On:
- QO Load Center, NQ/NQOD Panelboard/OEM Interior/Speed-D Switchboard Distribution Panel
- Short Description:
- 120/240 VAC 50/60 Hz, 48 VDC, 70 A, 5/10 kA Interrupt, 1-Pole, 8 to 2 AWG Copper/Aluminum, Plug-In Mount, Box Lug Terminal, Standard, Miniature Circuit Breaker
- Data Sheet:
- SchneiderElectric-SquareD_53445_1_2_DATA.pdf
- Catalog:
- SchneiderElectric-SquareD_32357_1_2_1_3_CAT.pdf
- Terminal Type:
- Box Lug
- Country of Origin:
- Mexico
- Approval:
- UL, CSA
MSRP $67.00Surplus $19.50 -
Square D QO270 Miniature Circuit Breakers (MCBs) QO 2P 70A 240V 50/60Hz 1Ph EA
MSRP $144.72Surplus $52.65Square D QO270 Miniature Circuit Breakers (MCBs) QO 2P 70A 240V 50/60Hz 1Ph EA​ ARCA SKU: C15-3708 Brand: Square D MPN: QO270 UPC: 78590140058 Shipping Weight: 0.60 lbs. Shipping...- SKU:
- C15-3708
- Series:
- QO
- Type:
- Common Trip
- Type:
- Miniature
- Type:
- Standard
- Approval:
- UL
- Approval:
- CSA
- Size:
- 1.5 Inch Width x 2.91 Inch Depth x 3.11 Inch Height
- Volts:
- 120/240 VAC 50/60 Hertz
- Volts:
- 48 VDC
- Amps:
- 32 A
- Used On:
- QO Load Center
- Used On:
- NQ/NQOD Panelboard/OEM Interior/Speed-D Switchboard Distribution Panel
- Poles:
- 2
- Mounting:
- Plug-On
- Interrupting Rating:
- 5/10 kA
- Terminal Type:
- Box Lug
- Wire Size:
- 8 to 2 AWG (Copper/Aluminum)
- Short Description:
- 120/240 VAC 50/60 Hz, 48 VDC, 70 A, 5/10 kA Interrupt, 2-Pole, 8 to 2 AWG Copper/Aluminum, Plug-In Mount, Box Lug Terminal, Standard
- Catalog:
- SchneiderElectric-SquareD_32357_1_2_1_3_CAT.pdf
- Data Sheet:
- SchneiderElectric-SquareD_53541_1_2_DATA.pdf
- Installation/Operator:
- SchneiderElectric-SquareD_01265_INST.pdf
- Manufacturer Warranty:
- SchneiderElectric-SquareD_00002_WARR.pdf
- TS PIK:
- 597390
- Number of Poles:
- 2
- Voltage Rating:
- 120/240 VAC
- Current Rating:
- 70 A
- Country of Origin:
- Mexico
MSRP $144.72Surplus $52.65
Disclaimer: ARCA Supply is not an authorized distributor, reseller or representative of any manufacturer, brand or product listed. All product names, trademarks, brands and logos are the property of their respective owners. The depiction, description or sale of products featuring these names, trademarks, brands and logos is for identification purposes only and is not intended to indicate any affiliation with or authorization by any rights holder. All items sold by ARCA Supply are covered under ARCA Supply's warranty and not the manufacturer warranty.
