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 QOB350GFI Miniature Circuit Breakers (MCBs) EA
MSRP $836.00Surplus $957.60SKU: C15-10919 Brand: Square D MPN: QOB350GFI UPC: 78590169018 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-10919
- TS PIK:
- 124273845
- Short Description:
- 208 VAC Star/120 VAC, 50 A, 10 kA Interrupt, 3-Pole, Bolt-On Mount, 3-Panel Space, Box Lug Terminal, Pigtail, 6 mA Class A Ground Fault, Miniature Circuit Breaker
- Series:
- QOB
- Prop 65 Warning:
- Yes
- Data Sheet:
- SchneiderElectric-SquareD_15232_1_2_DATA.pdf
- Type:
- Miniature, Thermal Magnetic
- Number of Poles:
- 3
- Terminal Type:
- Box Lug
- Catalog:
- SchneiderElectric-SquareD_03283_9_14_CAT.pdf
- Current Rating:
- 50 A
- Voltage Rating:
- 208 VAC Star/120 VAC at 50/60 Hz
- Mounting:
- Bolt-On
- Wire Size:
- 12 to 4 AWG (Aluminum), 14 to 6 AWG (Copper)
- Installation/Operator:
- SchneiderElectric-SquareD_00894_INST.pdf
- Used On:
- NQ Panelboard/Interior
- Interrupting Rating:
- 10 kA
- Size:
- 2.25 Inch W x 2.91 Inch D x 4.12 Inch H
- Approval:
- UL, CSA
- Trip Sensitivity:
- 6 MilliA
MSRP $836.00Surplus $957.60 -
Square D QOM100VH8106 Miniature Circuit Breakers (MCBs) EA
MSRP $242.00Surplus $69.15Square D QOM100VH8106 Miniature Circuit Breakers (MCBs) EA​ ARCA SKU: C15-9374 Brand: Square D MPN: QOM100VH8106 UPC: Shipping Weight: 1.10 lbs. Shipping Height: 4.00 In. Shipping...- SKU:
- C15-9374
- TS PIK:
- 122966518
- Data Sheet:
- SchneiderElectric-SquareD_05139_1_2_DATA.pdf
- Short Description:
- 120/240 VAC 50/60 Hz, 100 A, 22 kA, 2-Pole, 12 to 2/0 AWG Aluminum/Copper, Bolt-On Mount, Miniature Circuit Breaker
- Wire Size:
- 12 to 2/0 AWG (Aluminum/Copper)
- Interrupting Rating:
- 22 kA
- Voltage Rating:
- 120/240 VAC
- Current Rating:
- 100 A
- CAD Drawings:
- SchneiderElectric-SquareD_05485_1_CAD.pdf
- Mounting:
- Bolt-On
- Number of Poles:
- 1
- Country of Origin:
- Mexico
MSRP $242.00Surplus $69.15 -
THQB32040 Miniature Circuit Breakers (MCBs) THQB 3P 40A 240V
MSRP $393.25Surplus $75.60THQB32040 Miniature Circuit Breakers (MCBs) THQB 3P 40A 240V​ ARCA SKU: C15-2470 Brand: MPN: THQB32040 UPC: 783164012422 Shipping Weight: 1.15 Shipping Height: 3.00 In. Shipping...- SKU:
- C15-2470
- Amps:
- 40 A
- Terminal Type:
- Bolt-On
- Type:
- Thermal Magnetic
- Type:
- Compact
- Short Description:
- 240 VAC, 40 A, 10 kA, 3-Pole, 8 to 3 AWG Copper/Aluminum, 1" Bolt-On Mount, Q-Line Frame, Molded Case, Non-Interchangeable/Common Trip, Compact, Fixed Thermal Magnetic, Circuit Breaker
- Current Rating:
- 40 A
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00015_6_8_6_35_CAT.pdf
- Installation/Operator:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00005_INST.pdf
- Mounting:
- Bolt-On
- Number of Poles:
- 3
- Series:
- THQB
- Country of Origin:
- United States
MSRP $393.25Surplus $75.60 -
THQB32070 Miniature Circuit Breakers (MCBs) 3P 70A 120V
MSRP $510.00Surplus $97.97SKU: C15-3998 Brand: GENERAL ELECTRIC MPN: THQB32070 UPC: 78316401245 Shipping Weight: 1.05 lbs. Shipping Height: 4.00 In. Shipping Length: 4.00 In. Shipping Width: 3...- SKU:
- C15-3998
- Type:
- Thermal Magnetic
- Type:
- Compact
- Amps:
- 32 A
- Terminal Type:
- Bolt-On
- Short Description:
- 240 VAC, 70 A, 10 kA, 3-Pole, 6 to 1/0 AWG Copper/4 to 1/0 AWG Aluminum, 1" Bolt-On Mount, Q-Line Frame, Molded Case, Non-Interchangeable/Common Trip, Compact, Fixed Thermal Magnetic
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00015_6_8_6_35_CAT.pdf
- Installation/Operator:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00005_INST.pdf
- Current Rating:
- 70 A
- Mounting:
- Bolt-On
- Number of Poles:
- 3
- Series:
- THQ
MSRP $510.00Surplus $97.97
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