
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 QBHW1050 Miniature Circuit Breakers (MCBs) 1P 50A 240V EA
MSRP $122.00Surplus $40.21Eaton QBHW1050 Miniature Circuit Breakers (MCBs) 1P 50A 240V EA​ ARCA SKU: C15-3443 Brand: Eaton MPN: QBHW1050 UPC: 786679392300 Shipping Weight: 0.35 lbs. Shipping Height: 1.00 In...- SKU:
- C15-3443
- Approval:
- UL 489
- Approval:
- CSA
- Amps:
- 50 A
- Interrupting Rating:
- 22000 A at 120/240 VAC
- Interrupting Rating:
- 5000 Amp at 24 to 48 Volt DC
- Mounting:
- Bolt-On
- Poles:
- 1
- Size:
- 1.2 Inch Width x 3.6 Inch Depth x 3.2 Inch Height
- Terminal Type:
- Steel Box Lug Standard Load
- Type:
- Thermal Magnetic
- Type:
- Non-Interchangeable Trip
- Type:
- Miniature
- Volts:
- 120/240 VAC
- Volts:
- 24/48/62.5 VDC
- Gauge:
- 14 to 4 AWG Copper/Aluminum (Standard Load)
- Short Description:
- 120/240 VAC, 50 A, 22 kA Interrupt, 1-Pole, Extended Tang Line/Steel Box Lug Load Terminal, Bolt-On Mount, Thermal Magnetic, Type QBHW, Non-Interchangeable Industrial Circuit Breaker
- TS PIK:
- 21510587
- Current Rating:
- 50 A
- Wire Size:
- 14 to 4 AWG Copper/Aluminum (Standard Load)
- Catalog:
- EatonCorp_00004_V4T1_11_V4T1_12_V4T1_46_CAT.pdf
- Voltage Rating:
- 120/240 VAC
- Number of Poles:
- 1
- Country of Origin:
- Dominican Republic
MSRP $122.00Surplus $40.21 -
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Eaton QC1050 Miniature Circuit Breakers (MCBs) QC 1P 50A 240V 50/60Hz 1Ph
MSRP $80.00Surplus $26.32Eaton QC1050 Miniature Circuit Breakers (MCBs) QC 1P 50A 240V 50/60Hz 1Ph​ ARCA SKU: C15-2700 Brand: Eaton MPN: QC1050 UPC: 786679309032 Shipping Weight: 0.35 Shipping Height: 5.00 In...- SKU:
- C15-2700
- Series:
- QC
- Type:
- Current Limiting
- Type:
- Thermal Magnetic
- Approval:
- UL 489
- Approval:
- CSA
- Volts:
- 120/240 VAC
- Amps:
- 32 A
- Poles:
- 1
- Mounting:
- Cable-In
- Mounting:
- Cable Out
- Interrupting Rating:
- 10000 A at 120/240 VAC
- Interrupting Rating:
- 5000 Ampere at 24 to 48 VDC
- Interrupting Rating:
- 3800 Ampere at 62.5 VDC
- Terminal Type:
- Box Lug
- Wire Size:
- 14 to 4 AWG Aluminum/Copper (Load)
- Short Description:
- 120/240 VAC, 50 A, 10 kA, 1-Pole, Aluminum Box Lug Line/Steel Box Lug Load Terminal, Cable-In/Out Mount, Thermal Magnetic, Miniature
- Catalog:
- Eaton_03771_V4T1_19_V4T1_20_V4T1_46_CAT.pdf
- Current Rating:
- 50 A
- Voltage Rating:
- 120/240 VAC
- Number of Poles:
- 1
- Country of Origin:
- Dominican Republic
MSRP $80.00Surplus $26.32 -
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Eaton QCF1050 Miniature Circuit Breakers (MCBs) QCF 1P 50A 240V 50/60Hz 1Ph
MSRP $65.50Surplus $29.73Eaton QCF1050 Miniature Circuit Breakers (MCBs) QCF 1P 50A 240V 50/60Hz 1Ph​ ARCA SKU: C15-1639 Brand: Eaton MPN: QCF1050 UPC: 786679143209 Shipping Weight: 0.30 Shipping Height: 2.00 In...- SKU:
- C15-1639
- Approval:
- UL 489/E7819
- Approval:
- CSA LR48907
- Amps:
- 50 A
- Interrupting Rating:
- 10000 A at 120/240 VAC
- Interrupting Rating:
- 3000 Amp at 24/48/62.5 Volt DC
- Mounting:
- Front
- Poles:
- 1
- Size:
- 3 Inch Width x 4.6 Inch Depth x 1.2 Inch Height
- Terminal Type:
- Steel Box Lug Standard Load
- Type:
- Thermal Magnetic
- Type:
- Cable-In/Cable-Out
- Type:
- Non-Interchangeable Trip
- Type:
- Miniature
- Volts:
- 120/240 VAC
- Volts:
- 24/48/62.5 VDC
- Gauge:
- 14 to 4 AWG Copper/Aluminum (Standard Load)
- Voltage Rating:
- 120/240 VAC, 24/48/62.5 VDC
- Number of Poles:
- 1
- Wire Size:
- 14 to 4 AWG Copper/Aluminum (Standard Load)
- Current Rating:
- 50 A
- Catalog:
- Eaton_03771_V4T1_3-V4T1_46_CAT.pdf
MSRP $65.50Surplus $29.73 -
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GE FBN16TE050RV Molded Case Breakers (MCCBs)
MSRP $1,116.00Surplus $301.32SKU: C15-16133 Brand: GE MPN: FBN16TE050RV UPC: 78316439415 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-16133
- Maximum AC Voltage Rating:
- 277 V
- Interrupting Rating:
- 65 kA at 240/277 VAC
- Voltage Rating:
- 240/277 VAC
- Frame Type:
- FB100
- Number of Poles:
- 1
- Type:
- Thermal Magnetic
- Approval:
- UL
- Current Rating:
- 50 A
- Short Description:
- 240/277 VAC, 50 A, 65 kA, 1-Pole, 10 to 4 AWG, FB100 Frame, Line and Load Lug Terminal, Thermal Magnetic, Non-Interchangeable Molded Case Circuit Breaker
- Terminal Type:
- Line and Load Lug
MSRP $1,116.00Surplus $301.32 -
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GE FBV16TE050RV Molded Case Breakers (MCCBs)
MSRP $1,115.10Surplus $252.00SKU: C15-10082 Brand: GE MPN: FBV16TE050RV UPC: 78316439402 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-10082
- TS PIK:
- 120720492
- Number of Poles:
- 1
- Terminal Type:
- Line and Load Lug
- Approval:
- UL
- Type:
- Thermal Magnetic
- Short Description:
- 277 VAC, 50 A, 35 kA, 1-Pole, 10 to 4 AWG, FB100 Frame, Line and Load Lug Terminal, Thermal Magnetic, Non-Interchangeable Molded Case Circuit Breaker
- Frame Type:
- FB100
- Voltage Rating:
- 277 VAC
- Maximum AC Voltage Rating:
- 277 V
- Current Rating:
- 50 A
- Interrupting Rating:
- 35 kA at 277 VAC
MSRP $1,115.10Surplus $252.00 -
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GE TED113050 Molded Case Breakers (MCCBs)
MSRP $632.13Surplus $227.56SKU: C15-6007 Brand: GE MPN: TED113050 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- C15-6007
- Interrupting Rating:
- 10 kA at 480 VAC, 14 kA at 120/240/277 VAC, 10 kA at 125 VDC
- Frame Type:
- E150
- Short Description:
- 277 VAC, 125 VDC, 50 A, 14 kA Interrupt, 1-Pole, Aluminum/Copper Load Lug Terminal, E150-Frame, Non-Interchangeable Trip, Core E/Mid Tier, Thermal Magnetic, Industrial Molded Case Circuit Breaker
- Current Rating:
- 50 A
- Number of Poles:
- 1
- Voltage Rating:
- 120/240/277/480 VAC, 125 VDC
- Maximum AC Voltage Rating:
- 480 V
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00542_6_4_6_5_6_9_6_67_CAT.pdf
- Approval:
- UL
- Type:
- Thermal Magnetic
- Maximum DC Voltage Rating:
- 125 V
MSRP $632.13Surplus $227.56 -
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GE TEY1503 Molded Case Breakers (MCCBs)
MSRP $449.24Surplus $121.29SKU: C15-14514 Brand: GE MPN: TEY1503 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- C15-14514
- Number of Poles:
- 1
- Current Rating:
- 50 A
- Short Description:
- 50 A 14kA 277 Vac
- Interrupting Rating:
- 14kA
- Voltage Rating:
- 277 Vac
MSRP $449.24Surplus $121.29 -
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GE TEYD1050B Molded Case Breakers (MCCBs)
MSRP $674.00Surplus $181.98SKU: C15-14538 Brand: GE MPN: TEYD1050B UPC: 78316446153 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-14538
- Current Rating:
- 50 A
- Number of Poles:
- 1
- Voltage Rating:
- 120/240/277 VAC
- Short Description:
- 120/240/277 VAC, 50 A, 65 kA, 1-Pole, 10 to 4 AWG, Q-Line Frame, Thermal Magnetic, Compact, Lighting Panel Molded Case Circuit Breaker
- Interrupting Rating:
- 25 kA at 277 VAC, 65 kA at 120/240 VAC
- Approval:
- UL
- Type:
- Thermal Magnetic, Compact
MSRP $674.00Surplus $181.98 -
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GE TEYH1050B Molded Case Breakers (MCCBs)
MSRP $743.00Surplus $200.61SKU: C15-18217 Brand: GE MPN: TEYH1050B UPC: 78316446193 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-18217
- Interrupting Rating:
- 35 kA at 277 VAC, 65 kA at 120/240 VAC
- Current Rating:
- 50 A
- Voltage Rating:
- 120/240/277 VAC
- Type:
- Thermal Magnetic, Compact
- Short Description:
- 120/240/277 VAC, 50 A, 65 kA, 1-Pole, 10 to 4 AWG, Q-Line Frame, Thermal Magnetic, Compact, Lighting Panel Molded Case Circuit Breaker
- Number of Poles:
- 1
- Approval:
- UL
MSRP $743.00Surplus $200.61 -
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GE TEYL1050B Molded Case Breakers (MCCBs)
MSRP $283.50Surplus $76.55SKU: C15-18226 Brand: GE MPN: TEYL1050B UPC: 78316446233 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-18226
- Current Rating:
- 50 A
- Approval:
- UL
- Voltage Rating:
- 120/240/277 VAC, 125 VDC
- Interrupting Rating:
- 65 kA at 277 VAC, 100 kA at 120/240 VAC, 15 kA at 125 VDC
- Number of Poles:
- 1
- Type:
- Thermal Magnetic, Compact
- Short Description:
- 120/240/277 VAC, 125 VDC, 50 A, 100 kA, 1-Pole, 10 to 4 AWG, Q-Line Frame, Thermal Magnetic, Compact, Lighting Panel Molded Case Circuit Breaker
MSRP $283.50Surplus $76.55 -
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GE THHQB1150 Miniature Circuit Breakers (MCBs)
MSRP $40.72Surplus $27.08SKU: C15-10198 Brand: GE MPN: THHQB1150 UPC: 78316411830 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-10198
- TS PIK:
- 112128186
- Short Description:
- 120/240 VAC, 50 A, 22 kA, 1-Pole, Q-Line Frame, Bolt-On Terminal, Thermal Magnetic, Compact, Non-Interchangeable Circuit Breaker
- Number of Poles:
- 1
- Voltage Rating:
- 120/240 VAC
- Maximum AC Voltage Rating:
- 240 V
- Approval:
- UL
- Current Rating:
- 50 A
- Frame Type:
- Q-Line
- Type:
- Thermal Magnetic, Compact
- Interrupting Rating:
- 22 kA at 120/240 VAC
- Terminal Type:
- Bolt-On
MSRP $40.72Surplus $27.08 -
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GE THHQC1150LL Molded Case Breakers (MCCBs)
MSRP $169.00Surplus $45.63SKU: C15-14447 Brand: GE MPN: THHQC1150LL UPC: 78316410902 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-14447
- Interrupting Rating:
- 22 kA at 120/240 VAC
- Current Rating:
- 50 A
- Voltage Rating:
- 120/240 VAC
- Number of Poles:
- 1
- Short Description:
- 120/240 VAC, 50 A, 22 kA, 1-Pole, Q-Line Frame, Lug Terminal, Thermal Magnetic, Compact, Non-Interchangeable Circuit Breaker
- Frame Type:
- Q-Line
- Approval:
- UL
- Maximum AC Voltage Rating:
- 240 V
- Type:
- Thermal Magnetic, Compact
- Terminal Type:
- Lug
MSRP $169.00Surplus $45.63 -
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GE THHQC1150WL3 Molded Case Breakers (MCCBs)
MSRP $40.50Surplus $10.94SKU: C15-14376 Brand: GE MPN: THHQC1150WL3 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- C15-14376
- Voltage Rating:
- 120/240 Vac
- Interrupting Rating:
- 22kA
- Current Rating:
- 50 A
- Number of Poles:
- 1
- Short Description:
- 50 A 22kA 120/240 Vac
MSRP $40.50Surplus $10.94 -
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GE THQC1150LL Molded Case Breakers (MCCBs)
MSRP $89.00Surplus $24.03SKU: C15-14438 Brand: GE MPN: THQC1150LL UPC: 78316410874 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-14438
- Frame Type:
- Q-Line
- Current Rating:
- 50 A
- Voltage Rating:
- 120/240 VAC
- Approval:
- UL
- Terminal Type:
- Lug
- Type:
- Thermal Magnetic, Compact
- Short Description:
- 120/240 VAC, 50 A, 10 kA, 1-Pole, Q-Line Frame, Lug Terminal, Thermal Magnetic, Compact, Non-Interchangeable Circuit Breaker
- Maximum AC Voltage Rating:
- 240 V
- Interrupting Rating:
- 10 kA at 120/240 VAC
- Number of Poles:
- 1
MSRP $89.00Surplus $24.03 -
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GE THQC1150WL3 Molded Case Breakers (MCCBs)
MSRP $20.25Surplus $5.47SKU: C15-14340 Brand: GE MPN: THQC1150WL3 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- C15-14340
- Current Rating:
- 50 A
- Short Description:
- 50 A 10kA 120/240 Vac
- Number of Poles:
- 1
- Voltage Rating:
- 120/240 Vac
- Interrupting Rating:
- 10kA
MSRP $20.25Surplus $5.47 -
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GE THQL1150HM Miniature Circuit Breakers (MCBs)
MSRP $34.00Surplus $9.18SKU: C15-14201 Brand: GE MPN: THQL1150HM UPC: 78316413832 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-14201
- Frame Type:
- Q-Line
- Number of Poles:
- 1
- Terminal Type:
- Plug-On
- Voltage Rating:
- 120/240 VAC
- Short Description:
- 120/240 VAC, 50 A, 10 kA, 1-Pole, Copper/Aluminum Load Lug Terminal, Q-Line Frame, LI Trip Function, 1" Plug-On Mount, Molded Case, Fixed Thermal Magnetic, Non-Interchangeable Trip, High In-Rush Load, Miniature Circuit Breaker
- Approval:
- UL
- Interrupting Rating:
- 10 kA at 120/240 VAC
- Maximum AC Voltage Rating:
- 240 V
- Current Rating:
- 50 A
MSRP $34.00Surplus $9.18 -
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GE THQL1150ST1 Molded Case Breakers (MCCBs)
MSRP $60.00Surplus $16.20SKU: C15-14120 Brand: GE MPN: THQL1150ST1 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- C15-14120
- Interrupting Rating:
- 10kA
- Short Description:
- 50 A 10kA 120/240 Vac
- Voltage Rating:
- 120/240 Vac
- Number of Poles:
- 1
- Current Rating:
- 50 A
MSRP $60.00Surplus $16.20 -
GENERAL ELECTRIC THQC1150WL Din Rail Mounted Circuit Breakers 1P 50A 120V
MSRP $336.38Surplus $8.68GENERAL ELECTRIC THQC1150WL Din Rail Mounted Circuit Breakers 1P 50A 120V​ ARCA SKU: C15-5921 Brand: GENERAL ELECTRIC MPN: THQC1150WL UPC: 78316404861 Shipping Weight: 1.25 lbs. Shipping...- SKU:
- C15-5921
- Voltage Rating:
- 120/240 VAC
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00542_6_4_6_5_6_8_6_40_CAT.pdf
- CAD Drawings:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_01788_1_CAD.pdf
- Short Description:
- 120/240 VAC, 50 A, 10 kA Interrupt, 1-Pole, 8 to 3 AWG Aluminum/Copper Line/Load Lug Terminal, 35 MM DIN Rail Mount, Q-Line Frame, Non-Interchangeable Trip, Compact, Fixed Thermal Magnetic, Cable-In Cable-Out, Miniature Molded Case Circuit Breaker
- Type:
- Thermal Magnetic
- Current Rating:
- 50 A
- Number of Poles:
- 1
- Terminal Type:
- Lug
- Interrupting Rating:
- 10 kA
- Mounting:
- DIN Rail
- Approval:
- UL
- Country of Origin:
- United States
- Frame Type:
- Q-Line
- Maximum AC Voltage Rating:
- 240 V
MSRP $336.38Surplus $8.68 -
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Siemens B150H Miniature Circuit Breakers (MCBs)
Surplus $28.73SKU: C15-12078 Brand: Siemens MPN: B150H UPC: 783643263857 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-12078
- Interrupting Rating:
- 22 kA at 120 VAC (UL)
- Number of Poles:
- 1
- Type:
- Molded Case, Thermal and Fixed Magnetic
- Approval:
- UL 489, CSA C22.2
- Voltage Rating:
- 120 VAC at 50/60 Hz (UL)
- Installation:
- Bolt-On
- Country of Origin:
- MEX
- Catalog:
- SiemensAG_00564_7_29_CAT.pdf
- Data Sheet:
- SiemensAG_05177_1_DATA.pdf
- Used On:
- P1/P2/P3/P4/P5 Panelboard
- Application:
- Lighting, Distribution
- Installation/Operator:
- SiemensAG_00215_INST.pdf
- Short Description:
- 120 VAC, 50 A, 22 kA, 1-Pole, Bolt-On Mount, Molded Case, Branch, Panelboard Circuit Breaker
- Current Rating:
- 50 A
Surplus $28.73 -
Siemens BQ1B050 Miniature Circuit Breakers (MCBs) 50A 120V
MSRP $85.50Surplus $27.94Siemens BQ1B050 Miniature Circuit Breakers (MCBs) 50A 120V​ ARCA SKU: C15-6129 Brand: Siemens MPN: BQ1B050 UPC: 78364310238 Shipping Weight: 0.35 lbs. Shipping Height: 3.00 In...- SKU:
- C15-6129
- TS PIK:
- 115270499
- Terminal Type:
- Load Lug
- Short Description:
- 120/240 VAC, 50 A, 10 kA, 1-Pole, Load Lug Terminal, BQ Frame, Bolt-On, Molded Case Circuit Breaker
- Series:
- BQ
- Voltage Rating:
- 120 VAC
- Catalog:
- SiemensAG_01698_17_1_17_7_CAT.pdf
- Current Rating:
- 50 A
- Interrupting Rating:
- 10 kA at 120 VAC Symmetrical (UL)
- Number of Poles:
- 1
- Size:
- 1 Inch W x 3 Inch D x 3-3/4 Inch H
- Data Sheet:
- SiemensAG_05359_1_DATA.pdf
- Wire Size:
- 8 to 6 AWG (Copper), 8 to 4 AWG (Aluminum)
- Used On:
- P1/P2/P3/P4/P5 Panelboard
- Type:
- Molded Case, Thermal and Fixed Magnetic
- Country of Origin:
- Mexico
- Approval:
- UL
MSRP $85.50Surplus $27.94
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