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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Eaton BAB3040H Miniature Circuit Breakers (MCBs) 3P 40A 240V EA
MSRP $629.51Surplus $114.35SKU: C15-1094 Brand: Eaton MPN: BAB3040H UPC: 78667930340 Shipping Weight: 0.95 lbs. Shipping Height: 3.00 In. Shipping Length: 4.00 In. Shipping Width: 4.00 In...- SKU:
- C15-1094
- Series:
- BAB
- Type:
- Thermal Magnetic
- Approval:
- UL 489
- Approval:
- CSA
- Volts:
- 240 VAC
- Amps:
- 32 A
- Poles:
- 3
- Mounting:
- Bolt-On
- Interrupting Rating:
- 10 kA at 240 VAC
- Terminal Type:
- Extended Tang Line
- Terminal Type:
- Box Lug Load
- Wire Size:
- 14 to 4 AWG Copper/Aluminum (Load)
- Short Description:
- 240 VAC, 40 A, 10 kA, 3-Pole, Extended Tang Line/Box Lug Load Terminal, Bolt-On Mount, Thermal Magnetic, Miniature
- Catalog:
- Eaton_03771_V4T1_3_V4T1_11_V4T1_12_CAT.pdf
- Number of Poles:
- 3
- Voltage Rating:
- 240 VAC
- Current Rating:
- 40 A
- TS PIK:
- 21508710
- Country of Origin:
- Dominican Republic
MSRP $629.51Surplus $114.35 -
GENERAL ELECTRIC THHQB32040 Miniature Circuit Breakers (MCBs)
MSRP $1,558.69Surplus $200.45GENERAL ELECTRIC THHQB32040 Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-4848 Brand: GENERAL ELECTRIC MPN: THHQB32040 UPC: 78316411860 Shipping Weight: 1.15 lbs. Shipping...- SKU:
- C15-4848
- Type:
- Thermal Magnetic
- Type:
- Compact
- Approval:
- UL
- Volts:
- 120/240 VAC
- Amps:
- 32 A
- Poles:
- 3
- Interrupting Rating:
- 22 kA at 120/240 VAC
- Terminal Type:
- Bolt-On
- Frame Type:
- Q-Line
- Maximum AC Voltage Rating:
- 240 V
- Short Description:
- 120/240 VAC, 40 A, 22 kA Interrupt, 3-Pole, 8 to 3 AWG Aluminum/Copper Load Lug Terminal, 1" Bolt-On Mount, Q-Line Frame, Non-Interchangeable/Internal Common Trip, Compact, Fixed Thermal Magnetic
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00542_6_4_6_5_6_8_6_38_CAT.pdf
- Installation/Operator:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00025_INST.pdf
- CAD Drawing:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_01786_1_CAD.pdf
- TS PIK:
- 125338449
- Voltage Rating:
- 120/240 VAC
- Current Rating:
- 40 A
- CAD Drawings:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_01786_1_CAD.pdf
- Number of Poles:
- 3
- Mounting:
- Bolt-On
- Series:
- THHQ
- Country of Origin:
- United States
MSRP $1,558.69Surplus $200.45 -
Eaton CHB340 Miniature Circuit Breakers (MCBs)
MSRP $1,143.95Surplus $869.05Eaton CHB340 Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-5015 Brand: Eaton MPN: CHB340 UPC: Shipping Weight: 0.40 lbs. Shipping Height: 3.00 In. Shipping Length: 4...- SKU:
- C15-5015
- Amps:
- 40 A
- Mounting:
- Bolt-On
- Poles:
- 3
- Terminal Type:
- Molded Case
- Used On:
- PB Series Panel board
- Volts:
- 240 VAC
- Short Description:
- 240 VAC, 40 A, 10 kA, 3-Pole, Bolt-On Mount, Molded Case, Circuit Breaker
- Series:
- CHB
- Type:
- Molded Case
- Current Rating:
- 40 A
- Voltage Rating:
- 240 VAC
- Catalog:
- Eaton_03653_V12T3_9_CAT.pdf
- Number of Poles:
- 3
- Wire Size:
- 8 to 4 AWG
- Interrupting Rating:
- 10 kA at 240 VAC
- Country of Origin:
- Dominican Republic
- Approval:
- UL 489
MSRP $1,143.95Surplus $869.05 -
Square D EGB34040 Miniature Circuit Breakers (MCBs) EGB 3P 40A 600V 50/60Hz 3Ph EA
MSRP $1,694.82Surplus $409.75Square D EGB34040 Miniature Circuit Breakers (MCBs) EGB 3P 40A 600V 50/60Hz 3Ph EA​ ARCA SKU: C15-4852 Brand: Square D MPN: EGB34040 UPC: 785901311171 Shipping Weight: 3.55 lbs. Shipping...- SKU:
- C15-4852
- Series:
- EGB
- Type:
- Thermal Magnetic
- Type:
- Branch
- Type:
- Miniature
- Approval:
- UL (Canada and US)
- Volts:
- 480 Star/277 VAC
- Amps:
- 32 A
- Used On:
- NF Merchandised Panelboard
- Poles:
- 3
- Interrupting Rating:
- 35 kA at 480 Star/277 VAC
- Application:
- Lighting
- Installation:
- Bolt-On
- Trip Setting:
- 630 A (Hold)
- Trip Setting:
- 1800 Amp (Trip)
- Short Description:
- 480 Star/277 VAC, 40 A, 35 kA, 3-Pole, E-Frame, Bolt-On Mount, Aluminum Lug Terminal, Thermal Magnetic, Branch, Miniature
- Catalog:
- SchneiderElectric-SquareD_32357_9_31-9_33_CAT.pdf
- Data Sheet:
- SchneiderElectric-SquareD_45679_1_2_DATA.pdf
- Installation/Operator:
- SchneiderElectric-SquareD_01117_INST.pdf
- Manufacturer Warranty:
- SchneiderElectric-SquareD_00002_WARR.pdf
- TS PIK:
- 124275625
- Current Rating:
- 40 A
- Number of Poles:
- 3
- Voltage Rating:
- 277/480 VAC
- Mounting:
- Bolt-On
- Country of Origin:
- United States
MSRP $1,694.82Surplus $409.75 -
Eaton QBHW3040H Miniature Circuit Breakers (MCBs) QBHW 3P 40A 240V 50/60Hz 3Ph EA
MSRP $938.98Surplus $134.29Eaton QBHW3040H Miniature Circuit Breakers (MCBs) QBHW 3P 40A 240V 50/60Hz 3Ph EA​ ARCA SKU: C15-1784 Brand: Eaton MPN: QBHW3040H UPC: 786679393406 Shipping Weight: 1.10 lbs. Shipping...- SKU:
- C15-1784
- Series:
- QBHW
- Type:
- Molded Case
- Type:
- Thermal Magnetic
- Approval:
- UL 489
- Approval:
- CSA
- Volts:
- 240 VAC
- Amps:
- 32 A
- Poles:
- 3
- Mounting:
- Bolt-On
- Interrupting Rating:
- 22000 A at 240 VAC
- Terminal Type:
- Extended Tang Line Terminal
- Terminal Type:
- Box Lug Load Terminal
- Wire Size:
- 14 to 4 AWG Aluminum/Copper (Load)
- Short Description:
- 240 VAC, 40 A, 22 kA, 3-Pole, Extended Tang Line/Steel Box Lug Load Terminal, Bolt-On Mount, Thermal Magnetic, Miniature
- Catalog:
- Eaton_03771_V4T1_12_CAT.pdf
- TS PIK:
- 21510609
- Voltage Rating:
- 240 VAC
- Number of Poles:
- 3
- Current Rating:
- 40 A
- Country of Origin:
- Dominican Republic
MSRP $938.98Surplus $134.29 -
Eaton BAB3040HS Miniature Circuit Breakers (MCBs) BAB 3P 40A 240V 50/60Hz 3Ph
MSRP $1,061.81Surplus $429.53SKU: C15-1095 Brand: Eaton MPN: BAB3040HS UPC: 786679509661 Shipping Weight: 1.25 lbs. Shipping Height: 4.00 In. Shipping Length: 4.00 In. Shipping Width: 4.00 In...- SKU:
- C15-1095
- Series:
- BAB
- Type:
- Thermal Magnetic
- Approval:
- UL 489
- Approval:
- CSA
- Volts:
- 240 VAC
- Amps:
- 32 A
- Poles:
- 3
- Mounting:
- Bolt-On
- Interrupting Rating:
- 10000 A at 240 VAC
- Terminal Type:
- Extended Tang Line Terminal
- Terminal Type:
- Box Lug Load Terminal
- Wire Size:
- 14 to 4 AWG Aluminum/Copper (Load)
- Short Description:
- 240 VAC, 40 A, 10 kA, 3-Pole, Extended Tang Line/Box Lug Load Terminal, Bolt-On Mount, Shunt Trip, Thermal Magnetic, Miniature
- Catalog:
- Eaton_03771_V4T1_11_V4T1_12_V4T1_45_CAT.pdf
- Current Rating:
- 40 A
- Number of Poles:
- 3
- Voltage Rating:
- 240 VAC
- Country of Origin:
- Dominican Republic
MSRP $1,061.81Surplus $429.53 -
Siemens B340 Miniature Circuit Breakers (MCBs) B 3P 40A 240V EA
MSRP $886.21Surplus $132.51Siemens B340 Miniature Circuit Breakers (MCBs) B 3P 40A 240V EA​ ARCA SKU: C15-2265 Brand: Siemens MPN: B340 UPC: 783643263734 Shipping Weight: 0.95 lbs. Shipping Height: 3.00 In...- SKU:
- C15-2265
- Type:
- Molded Case
- Type:
- Branch
- Type:
- BL
- Approval:
- UL 489
- Volts:
- 240 VAC
- Amps:
- 32 A
- Poles:
- 3
- Interrupting Rating:
- 10 kA
- Application:
- Electrical Distribution
- Installation:
- Bolt-On
- Short Description:
- 240 VAC, 40 A, 10 kA, 3-Pole, Bolt-On Mount, Molded Case, Branch, Common Trip
- Catalog:
- SiemensAG_00876_5_18_5_19_CAT.pdf
- TS PIK:
- 21368401
- Voltage Rating:
- 240 VAC
- Number of Poles:
- 3
- Current Rating:
- 40 A
- Mounting:
- Bolt-On
- Series:
- B
- Country of Origin:
- Mexico
MSRP $886.21Surplus $132.51 -
Siemens BQ3B040 Miniature Circuit Breakers (MCBs) BQ 3P 40A 240V EA
MSRP $401.58Surplus $33.30Siemens BQ3B040 Miniature Circuit Breakers (MCBs) BQ 3P 40A 240V EA​ ARCA SKU: C15-2268 Brand: Siemens MPN: BQ3B040 UPC: 783643102613 Shipping Weight: 1.05 lbs. Shipping Height: 3.00...- SKU:
- C15-2268
- Series:
- BQ
- Type:
- Molded Case
- Type:
- Thermal Magnetic
- Type:
- Common Trip
- Approval:
- UL 489
- Size:
- 4.7 Inch Width x 12.7 Inch Depth x 3.7 Inch Height
- Volts:
- 240 VAC
- Amps:
- 32 A
- Poles:
- 3
- Mounting:
- Bolt-On
- Interrupting Rating:
- 10 kA
- Terminal Type:
- Lug-In/Lug-Out with Insta-Wire
- Short Description:
- 240 VAC, 50 A, 10 kA Interrupt, 3-Pole, BQ-Frame, Load Lug Terminal, Bolt-On Mount, Thermal Magnetic, Common Trip
- Catalog:
- SiemensAG_00876_1_5_5_18_5_24_CAT.pdf
- Data Sheet:
- SiemensAG_01611_1_DATA.pdf
- TS PIK:
- 21366197
- Current Rating:
- 40 A
- Voltage Rating:
- 240 VAC
- Number of Poles:
- 3
- Country of Origin:
- Mexico
MSRP $401.58Surplus $33.30 -
THQB32040 Miniature Circuit Breakers (MCBs) THQB 3P 40A 240V
MSRP $535.33Surplus $102.91THQB32040 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 $535.33Surplus $102.91
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