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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THQL32030 Miniature Circuit Breakers (MCBs) 3P 30A 240V
MSRP $294.93Surplus $64.80THQL32030 Miniature Circuit Breakers (MCBs) 3P 30A 240V​ ARCA SKU: C15-3004 Brand: MPN: THQL32030 UPC: 783164013023 Shipping Weight: 1.05 Shipping Height: 3.00 In. Shipping...- SKU:
- C15-3004
- Type:
- Thermal Magnetic
- Type:
- Compact
- Approval:
- UL
- Volts:
- 120/240 VAC
- Amps:
- 32 A
- Poles:
- 3
- Interrupting Rating:
- 10 kA at 120/240 VAC
- Terminal Type:
- Plug-On
- Frame Type:
- Q-Line
- Maximum AC Voltage Rating:
- 240 V
- Short Description:
- 240 VAC, 30 A, 10 kA, 3-Pole, 14 to 8 AWG Copper/12 to 8 AWG Aluminum, 1" Plug-In Mount, Box Terminal, Q-Line Frame, Molded Case, Non-Interchangeable/Internal Common Trip, Compact, Fixed Thermal Magnetic
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00015_6_8_6_31_CAT.pdf
- Installation/Operator:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00006_INST.pdf
- CAD Drawing:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00499_1_CAD.pdf
- CAD Drawings:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00499_1_CAD.pdf
- Current Rating:
- 30 A
- Voltage Rating:
- 120/240 VAC
- Number of Poles:
- 3
MSRP $294.93Surplus $64.80 -
THQL32050ST1 Miniature Circuit Breakers (MCBs) THQL 3P 50A 120V
MSRP $650.00Surplus $211.47SKU: C15-2600 Brand: MPN: THQL32050ST1 UPC: 783164074086 Shipping Weight: 1.40 lbs. Shipping Height: 3.00 In. Shipping Length: 3.50 In. Shipping Width: 4.00 In...- SKU:
- C15-2600
- Type:
- Thermal Magnetic
- Type:
- Common Trip
- Volts:
- 240 V
- Amps:
- 32 A
- Poles:
- 3
- Interrupting Rating:
- 10 kA
- Short Description:
- 120/240 VAC, 50 A, 10 kA Interrupt, 3-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:
- 50 A
- Voltage Rating:
- 240 V
- Number of Poles:
- 3
MSRP $650.00Surplus $211.47 -
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THQL32060 Miniature Circuit Breakers (MCBs) 3P 60A 120V
MSRP $222.22Surplus $68.57THQL32060 Miniature Circuit Breakers (MCBs) 3P 60A 120V​ ARCA SKU: C15-3463 Brand: MPN: THQL32060 UPC: 783164012132 Shipping Weight: 1.10 Shipping Height: 3.00 In. Shipping...- SKU:
- C15-3463
- Type:
- Thermal Magnetic
- Type:
- Compact
- Approval:
- UL
- Volts:
- 120/240 VAC
- Amps:
- 32 A
- Poles:
- 3
- Interrupting Rating:
- 10 kA at 120/240 Volt AC
- Terminal Type:
- Plug-In
- Frame Type:
- Q-Line
- Maximum AC Voltage Rating:
- 240 Volt
- Short Description:
- 240 VAC, 60 A, 10 kA, 3-Pole, 8 to 3 AWG Copper/Aluminum, 1" Plug-In Mount, Box Terminal, Q-Line Frame, Molded Case, Non-Interchangeable/Internal Common Trip, Compact, Fixed Thermal Magnetic
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00015_6_8_6_31_CAT.pdf
- Installation/Operator:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00006_INST.pdf
- CAD Drawing:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00499_1_CAD.pdf
MSRP $222.22Surplus $68.57 -
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THQL32080 Miniature Circuit Breakers (MCBs) THQL 3P 80A 240VAC
MSRP $258.00Surplus $102.41THQL32080 Miniature Circuit Breakers (MCBs) THQL 3P 80A 240VAC​ ARCA SKU: C15-3186 Brand: MPN: THQL32080 UPC: 783164135756 Shipping Weight: 1.05 lbs. Shipping Height: 3.00 In. Shipping...- SKU:
- C15-3186
- Type:
- Thermal Magnetic
- Type:
- Compact
- Approval:
- UL
- Volts:
- 120/240 VAC
- Amps:
- 32 A
- Poles:
- 3
- Interrupting Rating:
- 10 kA at 120/240 VAC
- Terminal Type:
- Plug-On
- Frame Type:
- Q-Line
- Maximum AC Voltage Rating:
- 240 V
- Short Description:
- 240 VAC, 80 A, 10 kA, 3-Pole, 6 to 1/0 AWG Copper/4 to 1/0 AWG Aluminum, 1" Plug-In Mount, Box Terminal, Q-Line Frame, Molded Case, Non-Interchangeable/Internal Common Trip, Compact, Fixed Thermal Magnetic
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00015_6_8_6_31_CAT.pdf
- Installation/Operator:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00006_INST.pdf
- CAD Drawing:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00499_1_CAD.pdf
- Number of Poles:
- 3
- Voltage Rating:
- 120/240 VAC
- Current Rating:
- 80 A
- CAD Drawings:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00499_1_CAD.pdf
MSRP $258.00Surplus $102.41 -
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THQLRK2 Circuit Breaker Accessories Main Breaker Retainer 4P
MSRP $14.00Surplus $19.18THQLRK2 Circuit Breaker Accessories Main Breaker Retainer 4P​ ARCA SKU: C15-3064 Brand: MPN: THQLRK2 UPC: 783164275452 Shipping Weight: 0.10 Shipping Height: 0.75 In. Shipping...- SKU:
- C15-3064
- Number of Breakers:
- 0
- Poles:
- 0
- Type:
- Retainer Kit
- Used On:
- THQL PowerMark Gold 6 to 8 Circuit Main Breaker Load Center
- Short Description:
- Retainer Kit for PowerMark Gold THQL 6 to 8 Circuit Breaker
- Installation/Operator:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00010_INST.pdf
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00022_1_28_CAT.pdf
MSRP $14.00Surplus $19.18 -
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THQLRK3 Circuit Breaker Accessories Main Breaker Retainer 2P
MSRP $24.00Surplus $8.64THQLRK3 Circuit Breaker Accessories Main Breaker Retainer 2P​ ARCA SKU: C15-3681 Brand: MPN: THQLRK3 UPC: 783164328295 Shipping Weight: 0.05 Shipping Height: 2.00 In. Shipping...- SKU:
- C15-3681
- Number of Breakers:
- 0
- Poles:
- 0
- Type:
- Retainer
- Used On:
- TM/TLM1212CCU Mod 2 Current Main Breaker Load Center
- Short Description:
- Retainer Kit for PowerMark Gold THQL Circuit Breaker/TM/TLM1212CCU Load Center
- Installation/Operator:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00011_INST.pdf
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00022_1_28_CAT.pdf
MSRP $24.00Surplus $8.64 -
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THQMV200D Miniature Circuit Breakers (MCBs) 2P 200A 240V
MSRP $259.00Surplus $158.45THQMV200D Miniature Circuit Breakers (MCBs) 2P 200A 240V​ ARCA SKU: C15-3283 Brand: MPN: THQMV200D UPC: 783164338508 Shipping Weight: 2.55 Shipping Height: 5.00 In. Shipping...- SKU:
- C15-3283
- Approval:
- UL
- Amps:
- 200 A
- Used On:
- Load Center
- Interrupting Rating:
- 10 kA
- Short Description:
- 200 A, 22 kA
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00022_1_1_1_2_1_6_CAT.pdf
MSRP $259.00Surplus $158.45 -
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THQMV225D Miniature Circuit Breakers (MCBs) 2P 225A 120/240V
MSRP $259.00Surplus $93.24SKU: C15-3042 Brand: MPN: THQMV225D UPC: 783164338492 Shipping Weight: 2.33 lbs. Shipping Height: 4.50 In. Shipping Length: 8.75 In. Shipping Width: 6.75 In...- SKU:
- C15-3042
- Approval:
- UL
- Amps:
- 225 A
- Used On:
- Load Center
- Interrupting Rating:
- 10 kA
- Short Description:
- 225 A, 22 kA Interrupt, 1 AWG to 300 KCMIL, 2/0 AWG to 300 KCMIL, Multi-Pole, Box Lug Terminal, Common Trip
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00542_1_8_CAT.pdf
MSRP $259.00Surplus $93.24 -
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THQP22020 Miniature Circuit Breakers (MCBs) 2P 20A 120V
MSRP $41.20Surplus $23.43THQP22020 Miniature Circuit Breakers (MCBs) 2P 20A 120V​ ARCA SKU: C15-4348 Brand: MPN: THQP22020 UPC: Shipping Weight: 0.40 Shipping Height: 3.00 In. Shipping Length: 4.00 In...- SKU:
- C15-4348
- Volts:
- 120 V
- Amps:
- 20 A
- Poles:
- 2
MSRP $41.20Surplus $23.43 -
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THQP235 Miniature Circuit Breakers (MCBs) THQP 2P 35A 240V
MSRP $105.00Surplus $21.85THQP235 Miniature Circuit Breakers (MCBs) THQP 2P 35A 240V​ ARCA SKU: C15-2428 Brand: MPN: THQP235 UPC: 783164085747 Shipping Weight: 21.25 Shipping Height: 3.63 In. Shipping...- SKU:
- C15-2428
- 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 Volt AC
- Terminal Type:
- Plug-In
- Frame Type:
- Q-Line
- Maximum AC Voltage Rating:
- 240 Volt
- Short Description:
- 120/240 VAC, 35 A, 10 kA Interrupt, 2-Pole, 8 to 4 AWG Aluminum/Copper Load Lug Terminal, 1/2" Plug-In Mount, Q-Line Frame, Non-Interchangeable/Internal Common Trip, Compact, Fixed Thermal Magnetic
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00542_1_6_1_7_CAT.pdf
- CAD Drawing:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_01810_1_CAD.pdf
MSRP $105.00Surplus $21.85 -
TMQL21100 Miniature Circuit Breakers (MCBs) 2P 100A 240V 50/60Hz
MSRP $261.00Surplus $127.51TMQL21100 Miniature Circuit Breakers (MCBs) 2P 100A 240V 50/60Hz​ ARCA SKU: C15-4158 Brand: MPN: TMQL21100 UPC: 783164294279 Shipping Weight: 0.75 lbs. Shipping Height: 3.00 In. Shipping...- SKU:
- C15-4158
- Series:
- TMQL
- Approval:
- UL
- Volts:
- 120/240 VAC 1-Phase 3-Wire
- Volts:
- 208 VAC Star/120 VAC 3-Phase 4-Wire
- Amps:
- 100 A
- Used On:
- Meter MOD III Modular Metering
- Poles:
- 2
- Interrupting Rating:
- 42000 A
- Wire Size:
- 10 to 1/0 AWG (Copper/Aluminum)
- Short Description:
- 100 A, 42 kA Interrupt, 8 to 1 AWG Aluminum/Copper, 2-Pole
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00542_2_9_2_30_CAT.pdf
- CAD Drawing:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_01843_1_CAD.pdf
- Voltage Rating:
- 120/240 VAC 1-Phase 3-Wire, 208 VAC Star/120 VAC 3-Phase 4-Wire
- Current Rating:
- 100 A
- Number of Poles:
- 2
- CAD Drawings:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_01843_1_CAD.pdf
MSRP $261.00Surplus $127.51 -
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Topaz 638S Conduit Fittings EMT
MSRP $35.00Surplus $26.96Topaz 638S Conduit Fittings EMT​ ARCA SKU: C26-2372 Brand: Topaz MPN: 638S UPC: 751338230705 Shipping Weight: 1.55 Shipping Height: 5.00 In. Shipping Length: 5.00 In. Shipping...- SKU:
- C26-2372
- Type:
- Set Screw
- Approval:
- UL
- Material:
- Zinc Plated Steel
- Used On:
- EMT/Rigid Conduit
- Standard Package:
- 12 per Case
- Length:
- 3.938 Inch
- Trade Size:
- 3 Inch
- Diameter:
- 4.688 Inch
- Constructional Feature:
- Concrete Tight
- Thread Length:
- 0.938 Inch
- Short Description:
- 3", Zinc Plated, Steel, Concrete Tight, Set Screw
- Catalog:
- TopazLighting_00119_1_3_CAT.pdf
MSRP $35.00Surplus $26.96 -
Toshiba P115A Miniature Circuit Breakers (MCBs)
MSRP $9.88Surplus $2.38Toshiba P115A Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-8786 Brand: Toshiba MPN: P115A UPC: Shipping Weight: 0.25 lbs. Shipping Height: 2.00 In. Shipping...- SKU:
- C15-8786
- Number of Poles:
- 1
MSRP $9.88Surplus $2.38 -
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TQ1120 Miniature Circuit Breakers (MCBs) 1P 20A 120V 50/60Hz
MSRP $22.00Surplus $11.92TQ1120 Miniature Circuit Breakers (MCBs) 1P 20A 120V 50/60Hz​ ARCA SKU: C15-3254 Brand: MPN: TQ1120 UPC: 783164083811 Shipping Weight: 0.30 Shipping Height: 1.00 In. Shipping...- SKU:
- C15-3254
- Size:
- 3/4 Inch Width
- Volts:
- 120/240 V
- Amps:
- 20 A
- Used On:
- Load Center
- Poles:
- 1
- Interrupting Rating:
- 10 kA
- Short Description:
- 20 A, 1-Pole, 10 kA, Plug-In Mount, Box Lug Terminal
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_01912_1_4_1_10_CAT.pdf
MSRP $22.00Surplus $11.92 -
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TQAL21125 Miniature Circuit Breakers (MCBs) TQL 2P 125A 120-240 VAC
MSRP $162.00Surplus $33.14TQAL21125 Miniature Circuit Breakers (MCBs) TQL 2P 125A 120-240 VAC​ ARCA SKU: C15-4364 Brand: MPN: TQAL21125 UPC: Shipping Weight: 0.70 Shipping Height: 3.00 In. Shipping...- SKU:
- C15-4364
- Volts:
- 120-240 VAC
- Amps:
- 125 A
- Poles:
- 2
MSRP $162.00Surplus $33.14 -
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TQDST1 Shunt Trips 120V 50/60Hz
MSRP $395.00Surplus $167.07TQDST1 Shunt Trips 120V 50/60Hz​ ARCA SKU: A13-1269 Brand: MPN: TQDST1 UPC: 78316413137 Shipping Weight: 0.20 lbs. Shipping Height: 2.00 In. Shipping Length: 4.00 In...- SKU:
- A13-1269
MSRP $395.00Surplus $167.07 -
TYCO Electronics W58-XC4C12A-30 Other Circuit Breakers
MSRP $25.00Surplus $17.19SKU: C15-11814 Brand: Tyco Electronics MPN: W58-XC4C12A-30 UPC: Shipping Weight: 0.05 lbs. Shipping Height: 2.00 In. Shipping Length: 2.00 In. Shipping Width: 1.00...- SKU:
- C15-11814
MSRP $25.00Surplus $17.19 -
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Unbranded 0523NR Molded Case Breakers (MCCBs)
MSRP $200.00Surplus $42.94Unbranded 0523NR Molded Case Breakers (MCCBs)​ ARCA SKU: C15-4683 Brand: Unbranded MPN: 0523NR UPC: Shipping Weight: 3.60 Shipping Height: 5.00 In. Shipping Length: 6.00 In...- SKU:
- C15-4683
MSRP $200.00Surplus $42.94 -
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Unbranded 3P70 Miniature Circuit Breakers (MCBs)
MSRP $340.00Surplus $65.32Unbranded 3P70 Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-4680 Brand: Unbranded MPN: 3P70 UPC: Shipping Weight: 1.25 lbs. Shipping Height: 3.00 In. Shipping...- SKU:
- C15-4680
MSRP $340.00Surplus $65.32 -
Unbranded 6085C42H02 Circuit Breaker Accessories
MSRP $15.00Surplus $5.40SKU: C15-11766 Brand: Unbranded MPN: 6085C42H02 UPC: Shipping Weight: 0.10 lbs. Shipping Height: 1.00 In. Shipping Length: 8.00 In. Shipping Width: 6.00 In. Product...- SKU:
- C15-11766
MSRP $15.00Surplus $5.40
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