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 QOB320 Miniature Circuit Breakers (MCBs)
MSRP $430.77Surplus $104.82Square D QOB320 Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-6396 Brand: Square D MPN: QOB320 UPC: 78590141709 Shipping Weight: 2.50 lbs. Shipping Height: 3.00 In. Shipping...- SKU:
- C15-6396
- TS PIK:
- 124024414
- Current Rating:
- 20 A
- Voltage Rating:
- 120/240 VAC 50/60 Hertz, 48 VDC
- Used On:
- NQ Panelboard
- Installation/Operator:
- SchneiderElectric-SquareD_02166_INST.pdf
- Data Sheet:
- SchneiderElectric_21373_1_2_DATA.pdf
- Interrupting Rating:
- 10 kA at 120/240 VAC, 5 kA at 48 VDC
- Short Description:
- 120/240 VAC 50/60 Hz, 48 VDC, 20 A, 10 kA, 3-Pole, Q-Frame, Bolt-On Mount, Pressure Plate Terminal, Miniature, Standard, Panelboard Circuit Breaker
- Catalog:
- SchneiderElectric-SquareD_32357_9_16_CAT.pdf
- Type:
- Miniature, Standard
- Series:
- QOB
- Number of Poles:
- 3
- Mounting:
- Bolt-On
- Country of Origin:
- Ireland
- Approval:
- UL, CSA
- Installation:
- Bolt-On
MSRP $430.77Surplus $104.82 -
Square D QOB250 Miniature Circuit Breakers (MCBs) 2P 50A 120V EA
MSRP $124.61Surplus $33.35Square D QOB250 Miniature Circuit Breakers (MCBs) 2P 50A 120V EA​ ARCA SKU: C15-6658 Brand: Square D MPN: QOB250 UPC: 78590141698 Shipping Weight: 0.60 lbs. Shipping Height: 3.11 In...- SKU:
- C15-6658
- TS PIK:
- 111088427
- Voltage Rating:
- 120/240 VAC 50/60 Hertz, 48 VDC
- Series:
- QOB
- Short Description:
- 120/240 VAC 50/60 Hz, 48 VDC, 50 A, 10 kA, 2-Pole, Q-Frame, Bolt-On Mount, Box Lug Terminal, Miniature, Standard, Panelboard Circuit Breaker
- Current Rating:
- 50 A
- Number of Poles:
- 2
- Type:
- Miniature, Standard
- Interrupting Rating:
- 10 kA at 120/240 VAC, 5 kA at 48 VDC
- Catalog:
- SchneiderElectric-SquareD_32357_9_16_CAT.pdf
- Data Sheet:
- SchneiderElectric_21336_1_2_DATA.pdf
- Installation/Operator:
- SchneiderElectric-SquareD_02166_INST.pdf
- Used On:
- NQ Panelboard
- Mounting:
- Bolt-On
- Country of Origin:
- United States
- Approval:
- UL, CSA
- Installation:
- Bolt-On
MSRP $124.61Surplus $33.35 -
Square D QOB130 Miniature Circuit Breakers (MCBs) 30A 120V
MSRP $54.18Surplus $17.15Square D QOB130 Miniature Circuit Breakers (MCBs) 30A 120V​ ARCA SKU: C15-6649 Brand: Square D MPN: QOB130 UPC: 78590141676 Shipping Weight: 0.30 lbs. Shipping Height: 1.00 In...- SKU:
- C15-6649
- TS PIK:
- 109595202
- Short Description:
- 120/240 VAC 50/60 Hz, 48 VDC, 30 A, 10 kA, 1-Pole, Q-Frame, Bolt-On Mount, Pressure Plate Terminal, Miniature, Standard, Panelboard Circuit Breaker
- Type:
- Miniature, Standard
- Voltage Rating:
- 120/240 VAC 50/60 Hertz, 48 VDC
- Series:
- QOB
- Current Rating:
- 30 A
- Interrupting Rating:
- 10 kA at 120/240 VAC, 5 kA at 48 VDC
- Catalog:
- SchneiderElectric-SquareD_32357_9_16_CAT.pdf
- Number of Poles:
- 1
- Installation/Operator:
- SchneiderElectric-SquareD_02166_INST.pdf
- Data Sheet:
- SchneiderElectric_21264_1_2_DATA.pdf
- Used On:
- NQ Panelboard
- Mounting:
- Bolt-On
- Country of Origin:
- Ireland
- Approval:
- UL, CSA
- Installation:
- Bolt-On
MSRP $54.18Surplus $17.15 -
Contact Us For Quote
Square D QOB210 Miniature Circuit Breakers (MCBs)
MSRP $124.61Surplus $94.15Square D QOB210 Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-6549 Brand: Square D MPN: QOB210 UPC: 78590150996 Shipping Weight: 0.60 lbs. Shipping Height: 2.00 In. Shipping...- SKU:
- C15-6549
- TS PIK:
- 109595193
- Current Rating:
- 10 A
- Type:
- Miniature, Standard
- Short Description:
- 120/240 VAC 50/60 Hz, 48 VDC, 10 A, 10 kA, 2-Pole, Q-Frame, Bolt-On Mount, Pressure Plate Terminal, Miniature, Standard, Panelboard Circuit Breaker
- Series:
- QOB
- Interrupting Rating:
- 10 kA at 120/240 VAC, 5 kA at 48 VDC
- Number of Poles:
- 2
- Installation/Operator:
- SchneiderElectric-SquareD_02166_INST.pdf
- Catalog:
- SchneiderElectric-SquareD_32357_9_16_CAT.pdf
- Used On:
- NQ Panelboard
- Voltage Rating:
- 120/240 VAC 50/60 Hertz, 48 VDC
- Data Sheet:
- SchneiderElectric_21286_1_2_DATA.pdf
- Mounting:
- Bolt-On
- Installation:
- Bolt-On
- Approval:
- UL, CSA
MSRP $124.61Surplus $94.15 -
Contact Us For Quote
Square D QOB150 Everything Else
MSRP $43.89Surplus $35.31Square D QOB150 Everything Else​ ARCA SKU: C15-6389 Brand: Square D MPN: QOB150 UPC: 78590141680 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0...- SKU:
- C15-6389
- TS PIK:
- 111088422
- Series:
- QOB
- Current Rating:
- 50 A
- Voltage Rating:
- 120/240 VAC 50/60 Hertz, 48 VDC
- Data Sheet:
- SchneiderElectric_21277_1_2_DATA.pdf
- Catalog:
- SchneiderElectric-SquareD_32357_9_16_CAT.pdf
- Interrupting Rating:
- 10 kA at 120/240 VAC, 5 kA at 48 VDC
- Installation/Operator:
- SchneiderElectric-SquareD_02166_INST.pdf
- Used On:
- NQ Panelboard
- Short Description:
- 120/240 VAC 50/60 Hz, 48 VDC, 50 A, 10 kA, 1-Pole, Q-Frame, Bolt-On Mount, Box Lug Terminal, Miniature, Standard, Panelboard Circuit Breaker
- Type:
- Miniature, Standard
- Number of Poles:
- 1
- Mounting:
- Bolt-On
- Country of Origin:
- United States
- Approval:
- UL, CSA
- Installation:
- Bolt-On
MSRP $43.89Surplus $35.31 -
Square D QOB240 Miniature Circuit Breakers (MCBs) 2P 40A 120V
MSRP $124.61Surplus $42.25Square 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 $124.61Surplus $42.25 -
Square D QOB270 Miniature Circuit Breakers (MCBs) 2P 70A 120V
MSRP $246.99Surplus $95.96Square D QOB270 Miniature Circuit Breakers (MCBs) 2P 70A 120V​ ARCA SKU: C15-6395 Brand: Square D MPN: QOB270 UPC: 78590141704 Shipping Weight: 0.60 lbs. Shipping Height: 2.00 In...- SKU:
- C15-6395
- TS PIK:
- 124024938
- Short Description:
- 120/240 VAC 50/60 Hz, 48 VDC, 70 A, 10 kA, 2-Pole, Q-Frame, Bolt-On Mount, Box Lug Terminal, Miniature, Standard, Panelboard Circuit Breaker
- Type:
- Miniature, Standard
- Current Rating:
- 70 A
- Voltage Rating:
- 120/240 VAC 50/60 Hertz, 48 VDC
- Interrupting Rating:
- 10 kA at 120/240 VAC, 5 kA at 48 VDC
- Series:
- QOB
- Used On:
- NQ Panelboard
- Catalog:
- SchneiderElectric-SquareD_32357_9_16_CAT.pdf
- Data Sheet:
- SchneiderElectric_21348_1_2_DATA.pdf
- Installation/Operator:
- SchneiderElectric-SquareD_02166_INST.pdf
- Number of Poles:
- 2
- Mounting:
- Bolt-On
- Country of Origin:
- Mexico
- Approval:
- UL, CSA
- Installation:
- Bolt-On
MSRP $246.99Surplus $95.96
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.
