
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
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- Qty in Cart
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TEY140 Miniature Circuit Breakers (MCBs) 1P 40A 277VAC
MSRP $200.15Surplus $152.08TEY140 Miniature Circuit Breakers (MCBs) 1P 40A 277VAC​ ARCA SKU: C15-4761 Brand: MPN: TEY140 UPC: 783164182132 Shipping Weight: 0.80 lbs. Shipping Height: 2.00 In. Shipping...- SKU:
- C15-4761
- Type:
- Thermal Magnetic
- Type:
- Compact
- Approval:
- UL
- Volts:
- 120/240/277 VAC
- Amps:
- 32 A
- Poles:
- 1
- Interrupting Rating:
- 14 kA at 120/240/277 V AC
- Interrupting Rating:
- 65 kA at 120 Volt AC
- Terminal Type:
- Bolt-On
- Frame Type:
- TEY
- Maximum AC Voltage Rating:
- 277 Volt
- Short Description:
- 480 VAC Star/277 VAC, 40 A, 65 kA Interrupt, 1-Pole, 10 to 4 AWG Aluminum/Copper Integral Load Lug Terminal, 1" Bolt-On Mount, Non-Interchangeable Trip, Compact, Thermal Magnetic
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00542_6_9_6_64_CAT.pdf
- Installation/Operator:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00022_INST.pdf
- CAD Drawing:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_01762_1_CAD.pdf
- Voltage Rating:
- 120/240/277 V AC
- Current Rating:
- 40 A
- CAD Drawings:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_01762_1_CAD.pdf
- Number of Poles:
- 1
MSRP $200.15Surplus $152.08 -
THQB2140 Miniature Circuit Breakers (MCBs) THQB 2P 40A 120/240V
MSRP $172.54Surplus $61.11THQB2140 Miniature Circuit Breakers (MCBs) THQB 2P 40A 120/240V​ ARCA SKU: C15-4046 Brand: MPN: THQB2140 UPC: 783164012262 Shipping Weight: 0.65 Shipping Height: 2.00 In. Shipping...- SKU:
- C15-4046
- Amps:
- 40 A
- Terminal Type:
- Bolt-On
- Type:
- Thermal Magnetic
- Type:
- Compact
- Short Description:
- 120/240 VAC, 40 A, 10 kA, 2-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
- Country of Origin:
- United States
MSRP $172.54Surplus $61.11 -
Contact Us For Quote
THQB22040 Miniature Circuit Breakers (MCBs) THQB 2P 40A 240V
MSRP $270.90Surplus $184.67THQB22040 Miniature Circuit Breakers (MCBs) THQB 2P 40A 240V​ ARCA SKU: C15-3782 Brand: MPN: THQB22040 UPC: 783164012330 Shipping Weight: 0.65 lbs. Shipping Height: 2.00 In...- SKU:
- C15-3782
- Amps:
- 40 A
- Terminal Type:
- Bolt-On
- Type:
- Thermal Magnetic
- Type:
- Compact
- Short Description:
- 240 VAC, 40 A, 10 kA Interrupt, 2-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, Miniature Molded Case Circuit Breaker
- Current Rating:
- 40 A
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00542_6_4_6_5_6_8_6_35_CAT.pdf
- CAD Drawings:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_01786_1_CAD.pdf
- Installation/Operator:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00024_INST.pdf
MSRP $270.90Surplus $184.67 -
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 -
Contact Us For Quote
THQL1140 Miniature Circuit Breakers (MCBs) THQL 1P 40A 240V
MSRP $73.27Surplus $14.85THQL1140 Miniature Circuit Breakers (MCBs) THQL 1P 40A 240V​ ARCA SKU: C15-3820 Brand: MPN: THQL1140 UPC: 783164012880 Shipping Weight: 0.30 Shipping Height: 1.00 In. Shipping...- SKU:
- C15-3820
- Type:
- Thermal Magnetic
- Type:
- Compact
- Approval:
- UL
- Volts:
- 120/240 VAC
- Amps:
- 32 A
- Poles:
- 1
- Interrupting Rating:
- 10 kA at 120/240 VAC
- Terminal Type:
- Plug-On
- Frame Type:
- Q-Line
- Maximum AC Voltage Rating:
- 240 V
- Short Description:
- 120/240 VAC, 40 A, 10 kA Interrupt, 1-Pole, (1) 8 to 3 AWG Aluminum/Copper Load Lug Terminal, 1" Plug-In Mount, Q-Line Frame, Non-Interchangeable Trip, Compact, Fixed Thermal Magnetic
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00542_1_7_CAT.pdf
- CAD Drawing:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_01789_1_CAD.pdf
- Voltage Rating:
- 120/240 VAC
- Current Rating:
- 40 A
- Number of Poles:
- 1
- CAD Drawings:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_01789_1_CAD.pdf
MSRP $73.27Surplus $14.85 -
Contact Us For Quote
THQL2140ST1 Miniature Circuit Breakers (MCBs) THQL 2P 40A 120V
MSRP $564.94Surplus $274.44SKU: C15-2981 Brand: MPN: THQL2140ST1 UPC: 783164419085 Shipping Weight: 1.05 lbs. Shipping Height: 3.00 In. Shipping Length: 3.50 In. Shipping Width: 3.00 In...- SKU:
- C15-2981
- Volts:
- 120/240 V
- Amps:
- 32 A
- Poles:
- 2
- Interrupting Rating:
- 10 kA
- Short Description:
- 120/240 VAC, 40 A, 10 kA Interrupt, 2-Pole, 8 to 3 AWG Aluminum/Copper Load Lug Terminal, 1" Plug-In Mount, Q-Line Frame, Internal Common Trip, Compact, Fixed Thermal Magnetic
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00542_1_10_CAT.pdf
- Current Rating:
- 40 A
- Number of Poles:
- 2
- Voltage Rating:
- 120/240 V
MSRP $564.94Surplus $274.44
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