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
- Price
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GENERAL ELECTRIC THQL2120 Miniature Circuit Breakers (MCBs) EA
MSRP $80.74Surplus $21.28GENERAL ELECTRIC THQL2120 Miniature Circuit Breakers (MCBs) EA​ ARCA SKU: C15-3576 Brand: GENERAL ELECTRIC MPN: THQL2120 UPC: 78316401291 Shipping Weight: 0.65 lbs. Shipping...- SKU:
- C15-3576
- Type:
- Thermal Magnetic
- Type:
- Compact
- Approval:
- UL
- Volts:
- 120/240 VAC
- Amps:
- 32 A
- Poles:
- 2
- 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, 20 A, 10 kA, 2-Pole, 14 to 8 AWG Copper/12 to 8 AWG Aluminum, 1" Plug-In Mount, Box Terminal, Q-Line Frame, Molded Case, Internal Common Trip, Compact, Fixed Thermal Magnetic
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00015_6_8_6_30_CAT.pdf
- Installation/Operator:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00006_INST.pdf
- CAD Drawing:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00499_1_CAD.pdf
- TS PIK:
- 555079
- Voltage Rating:
- 120/240 VAC
- Number of Poles:
- 2
- Current Rating:
- 20 A
- CAD Drawings:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00499_1_CAD.pdf
- Mounting:
- Plug-On
MSRP $80.74Surplus $21.28 -
GENERAL ELECTRIC THQP220 Miniature Circuit Breakers (MCBs) THQP 2P 20A 120V EA
MSRP $164.00Surplus $15.16GENERAL ELECTRIC THQP220 Miniature Circuit Breakers (MCBs) THQP 2P 20A 120V EA​ ARCA SKU: C15-3195 Brand: GENERAL ELECTRIC MPN: THQP220 UPC: 783164085723 Shipping Weight: 0.40 lbs. Shipping...- SKU:
- C15-3195
- Type:
- Thermal Magnetic
- Approval:
- UL
- Size:
- 1/2 Inch Width
- Volts:
- 120/240 VAC
- Amps:
- 32 A
- Poles:
- 2
- 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, 20 A, 10 kA, 2-Pole, 14 to 8 AWG Copper/12 to 8 AWG Aluminum, 1/2" Plug-In Mount, Box Terminal, Q-Line Frame, Molded Case, Internal Common Trip, Fixed Thermal Magnetic
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00015_6_8_6_30_CAT.pdf
- Installation/Operator:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00012_INST.pdf
- CAD Drawing:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00472_1_CAD.pdf
- TS PIK:
- 112127463
- Current Rating:
- 20 A
- Number of Poles:
- 2
- CAD Drawings:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00472_1_CAD.pdf
- Voltage Rating:
- 120/240 VAC
- Mounting:
- Plug-On
- Country of Origin:
- United States
MSRP $164.00Surplus $15.16 -
GENERAL ELECTRIC THQB32020 Miniature Circuit Breakers (MCBs) 3P 20A 240V EA
MSRP $393.25Surplus $81.00SKU: C15-2496 Brand: GENERAL ELECTRIC MPN: THQB32020 UPC: 78316401240 Shipping Weight: 1.10 lbs. Shipping Height: 3.25 In. Shipping Length: 3.50 In. Shipping Width: 3...- SKU:
- C15-2496
- Type:
- Thermal Magnetic
- Type:
- Compact
- Amps:
- 32 A
- Terminal Type:
- Bolt-On
- Short Description:
- 240 VAC, 20 A, 10 kA, 3-Pole, 14 to 4 AWG Copper/12 to 4 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
- TS PIK:
- 112124774
- Current Rating:
- 20 A
- Mounting:
- Bolt-On
- Number of Poles:
- 2
- Series:
- THQ
- Country of Origin:
- United States
MSRP $393.25Surplus $81.00 -
GENERAL ELECTRIC THQB2120 Miniature Circuit Breakers (MCBs) 2P 20A 120V EA
MSRP $126.75Surplus $25.20GENERAL ELECTRIC THQB2120 Miniature Circuit Breakers (MCBs) 2P 20A 120V EA​ ARCA SKU: C15-2495 Brand: GENERAL ELECTRIC MPN: THQB2120 UPC: 78316401224 Shipping Weight: 0.60 lbs. Shipping...- SKU:
- C15-2495
- Approval:
- UL
- Amps:
- 20 A
- Interrupting Rating:
- 10 kA
- Mounting:
- Bolt-On
- Poles:
- 2
- Terminal Type:
- Molded Case
- Type:
- Fixed Thermal Magnetic
- Type:
- Non-Interchangeable/Common Trip
- Type:
- Compact
- Used On:
- Load Center
- Used On:
- Lighting Panelboard
- Volts:
- 120/240 VAC
- Gauge:
- 14 to 8 AWG (Copper)
- Gauge:
- 12 to 8 AWG (Aluminum)
- Short Description:
- 120/240 VAC, 20 A, 10 kA Interrupt Rating, 2-Pole, 14 to 8 AWG Copper/12 to 8 AWG Aluminum, 1" Bolt-On Mount, Q-Line Frame, LI Trip Function, Fixed Thermal Magnetic, Non-Interchangeable/Common Trip, Compact, Molded Case, Miniature Circuit Breaker
- Series:
- THQB
- TS PIK:
- 112124759
- Voltage Rating:
- 120/240 VAC
- Current Rating:
- 20 A
- Number of Poles:
- 2
- Installation/Operator:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00005_INST.pdf
- Wire Size:
- 14 to 8 AWG (Copper), 12 to 8 AWG (Aluminum)
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_06341_11_16_11_17_CAT.pdf
- CAD Drawings:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_10470_1_CAD.pdf
- Main Category:
- Miniature Circuit Breakers (MCBs)
- Country of Origin:
- United States
MSRP $126.75Surplus $25.20 -
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GENERAL ELECTRIC THQB2120GF Molded Case Breakers (MCCBs)
MSRP $354.11Surplus $266.00GENERAL ELECTRIC THQB2120GF Molded Case Breakers (MCCBs)​ ARCA SKU: C15-5975 Brand: GENERAL ELECTRIC MPN: THQB2120GF UPC: Shipping Weight: 1.05 lbs. Shipping Height: 4.00 In...- SKU:
- C15-5975
- Interrupting Rating:
- 10 kA
- Number of Poles:
- 2
- Installation/Operator:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00124_INST.pdf
- Series:
- THQB
- Terminal Type:
- Load Lug
- CAD Drawings:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_04204_1_CAD.pdf
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_01912_6_36_CAT.pdf
- Voltage Rating:
- 120/240 VAC
- Type:
- Molded Case, Fixed Thermal Magnetic, Non-Interchangeable Trip
- Current Rating:
- 20 A
- Size:
- 2 Inch Width x 2-3/8 Inch Depth x 3-9/32 Inch Height
- Short Description:
- 120/240 VAC, 20 A, 2-Pole, 10 kA, 14 to 8 AWG Copper, 12 to 8 AWG Aluminum, Bolt-On Mount, Molded Case, Thermal Magnetic, Self-Test, Ground Fault Circuit Breaker
- Used On:
- Load Center, Lighting Panelboard
- Mounting:
- Bolt-On
- Wire Size:
- 14 to 8 AWG (Copper), 12 to 8 AWG (Aluminum)
- Approval:
- UL, UL (Canada and US), CSA
MSRP $354.11Surplus $266.00 -
Contact Us For Quote
GENERAL ELECTRIC THQB2120ST1 Miniature Circuit Breakers (MCBs) 2P 20A 240V
MSRP $370.99Surplus $162.26GENERAL ELECTRIC THQB2120ST1 Miniature Circuit Breakers (MCBs) 2P 20A 240V​ ARCA SKU: C15-5915 Brand: GENERAL ELECTRIC MPN: THQB2120ST1 UPC: 78316403368 Shipping Weight: 3.55 lbs. Shipping...- SKU:
- C15-5915
- Current Rating:
- 20 A
- Terminal Type:
- Bolt-On
- CAD Drawings:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_04203_1_CAD.pdf
- Type:
- Thermal Magnetic, Compact
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_01912_6_8_6_37_CAT.pdf
- Short Description:
- 120 VAC, 20 A, 2-Pole, 10 kA, 1" Bolt-On Mount, Fixed Thermal Magnetic, Molded Case, Q-Line Circuit Breaker
- Mounting:
- Bolt-On
- Number of Poles:
- 2
MSRP $370.99Surplus $162.26 -
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GENERAL ELECTRIC THQB32020ST1 Miniature Circuit Breakers (MCBs) 3P 20A 240V
MSRP $1,253.00Surplus $281.96GENERAL ELECTRIC THQB32020ST1 Miniature Circuit Breakers (MCBs) 3P 20A 240V​ ARCA SKU: C15-4819 Brand: GENERAL ELECTRIC MPN: THQB32020ST1 UPC: 78316403405 Shipping Weight: 1.50 lbs. Shipping...- SKU:
- C15-4819
- Type:
- Thermal Magnetic
- Type:
- Compact
- Amps:
- 32 A
- Terminal Type:
- Bolt-On
- Short Description:
- 120 VAC, 20 A, 10 kA Interrupt, 3-Pole, 14 to 8 AWG Copper/12 to 8 AWG Aluminum 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_37_CAT.pdf
- CAD Drawing:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_01799_1_CAD.pdf
- TS PIK:
- 121140884
- Current Rating:
- 20 A
- CAD Drawings:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_01799_1_CAD.pdf
- Number of Poles:
- 2
MSRP $1,253.00Surplus $281.96 -
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GENERAL ELECTRIC THHQL22020 Miniature Circuit Breakers (MCBs)
MSRP $200.00Surplus $74.34SKU: C15-3931 Brand: GENERAL ELECTRIC MPN: THHQL22020 UPC: 783164117547 Shipping Weight: 0.65 lbs. Shipping Height: 3.00 In. Shipping Length: 4.00 In. Shipping...- SKU:
- C15-3931
- TS PIK:
- 123893822
- Type:
- Thermal Magnetic, Compact
- Terminal Type:
- Plug-On
- Current Rating:
- 20 A
- Maximum AC Voltage Rating:
- 240 V
- Number of Poles:
- 2
- Short Description:
- 240 VAC, 20 A, 22 kA, 2-Pole, Copper/Aluminum Load Lug Terminal, Q-Line Frame, LI Trip Function, 1" Plug-On Mount, Molded Case, Fixed Thermal Magnetic, Compact, Internal Common/Non-Interchangeable Trip, Miniature Circuit Breaker
- CAD Drawings:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_12194_1_CAD.pdf
- Voltage Rating:
- 120/240 VAC
- Approval:
- UL
- Interrupting Rating:
- 22 kA at 120/240 VAC
- Frame Type:
- Q-Line
MSRP $200.00Surplus $74.34 -
GENERAL ELECTRIC THQC2120WL Din Rail Mounted Circuit Breakers 2P 20A 120V
MSRP $119.57Surplus $14.78GENERAL ELECTRIC THQC2120WL Din Rail Mounted Circuit Breakers 2P 20A 120V​ ARCA SKU: C15-5922 Brand: GENERAL ELECTRIC MPN: THQC2120WL UPC: 78316401253 Shipping Weight: 0.80 lbs. Shipping...- SKU:
- C15-5922
- Voltage Rating:
- 120/240 VAC
- Terminal Type:
- Lug
- Type:
- Thermal Magnetic
- Current Rating:
- 20 A
- Number of Poles:
- 2
- Interrupting Rating:
- 10 kA
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00542_6_4_6_5_6_8_6_40_CAT.pdf
- CAD Drawings:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_01788_1_CAD.pdf
- Mounting:
- DIN Rail
- Approval:
- UL
- Country of Origin:
- United States
- Frame Type:
- Q-Line
- Maximum AC Voltage Rating:
- 240 V
MSRP $119.57Surplus $14.78
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