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 QO390 Miniature Circuit Breakers (MCBs)
MSRP $395.28Surplus $105.30Square D QO390 Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-6591 Brand: Square D MPN: QO390 UPC: 78590100440 Shipping Weight: 1.10 lbs. Shipping Height: 4.00 In. Shipping...- SKU:
- C15-6591
- TS PIK:
- 109595133
- Terminal Type:
- Box Lug
- Interrupting Rating:
- 10 kA
- Catalog:
- SchneiderElectric-SquareD_32357_1_2_1_3_CAT.pdf
- Mounting:
- Plug-On
- Data Sheet:
- SchneiderElectric-SquareD_53614_1_2_DATA.pdf
- Number of Poles:
- 3
- Short Description:
- 120/240 VAC 50/60 Hz, 90 A, 10 kA Interrupt, 3-Pole, 4 to 2/0 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 3.5 Inch Height
- Type:
- Common Trip, Miniature, Standard
- Wire Size:
- 4 to 2/0 AWG (Copper/Aluminum)
- Current Rating:
- 90 A
- Voltage Rating:
- 120/240 VAC 50/60 Hertz
- Used On:
- QO Load Center, NQ/NQOD Panelboard/OEM Interior/Speed-D Switchboard Distribution Panel
- Installation/Operator:
- SchneiderElectric-SquareD_01265_INST.pdf
- Country of Origin:
- Mexico
- Approval:
- UL, CSA
MSRP $395.28Surplus $105.30 -
Square D QO290 Miniature Circuit Breakers (MCBs)
MSRP $161.03Surplus $73.24SKU: C15-6456 Brand: Square D MPN: QO290 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- C15-6456
- TS PIK:
- 21032366
- Mounting:
- Plug-On
- Number of Poles:
- 2
- Current Rating:
- 90 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:
- 4 to 2/0 AWG (Copper/Aluminum)
- Catalog:
- SchneiderElectric-SquareD_32357_1_2_1_3_CAT.pdf
- Data Sheet:
- SchneiderElectric-SquareD_53546_1_2_DATA.pdf
- Size:
- 1.5 Inch Width x 2.91 Inch Depth x 3.5 Inch Height
- Type:
- Common Trip, Miniature, Standard
- Series:
- QO
- Short Description:
- 120/240 VAC 50/60 Hz, 90 A, 10 kA Interrupt, 2-Pole, 4 to 2/0 AWG Copper/Aluminum, Plug-On Mount, Box Lug Terminal, Standard, Miniature Circuit Breaker
- Terminal Type:
- Box Lug
- Voltage Rating:
- 120/240 VAC 50/60 Hertz
- Approval:
- UL, CSA
- Country of Origin:
- Mexico
MSRP $161.03Surplus $73.24 -
Square D QO290VH Miniature Circuit Breakers (MCBs)
MSRP $226.00Surplus $150.29SKU: C15-10899 Brand: Square D MPN: QO290VH UPC: 78590106018 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-10899
- TS PIK:
- 111081734
- Number of Poles:
- 2
- Type:
- Common Trip, Miniature, Standard
- Series:
- QO
- Size:
- 1.5 Inch Width x 2.91 Inch Depth x 3.5 Inch Height
- Approval:
- UL, CSA
- Terminal Type:
- Box Lug
- Short Description:
- 120/240 VAC 50/60 Hz, 90 A, 22 kA Interrupt, 2-Pole, 4 to 2/0 AWG Copper/Aluminum, Plug-On Mount, Box Lug Terminal, Standard, Miniature Circuit Breaker
- Data Sheet:
- SchneiderElectric-SquareD_53547_1_2_DATA.pdf
- Catalog:
- SchneiderElectric-SquareD_32357_1_2_1_3_CAT.pdf
- Installation/Operator:
- SchneiderElectric-SquareD_01265_INST.pdf
- Interrupting Rating:
- 22 kA
- Mounting:
- Plug-On
- Current Rating:
- 90 A
- Voltage Rating:
- 120/240 VAC 50/60 Hertz
- Wire Size:
- 4 to 2/0 AWG (Copper/Aluminum)
- Used On:
- QO Load Center, NQ/NQOD Panelboard/OEM Interior/Speed-D Switchboard Distribution Panel
- Country of Origin:
- Mexico
MSRP $226.00Surplus $150.29
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.
