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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Cutler-Hammer BAB3100H Miniature Circuit Breakers (MCBs) 3P 100A 240V NULL EA
MSRP $651.15Surplus $105.00SKU: C15-1110 Brand: Cutler-Hammer MPN: BAB3100H UPC: 78667930400 Shipping Weight: 1.10 lbs. Shipping Height: 3.00 In. Shipping Length: 4.00 In. Shipping Width: 4.00...- SKU:
- C15-1110
- Series:
- BAB
- Type:
- Thermal Magnetic
- Type:
- Non-Interchangeable Trip
- Type:
- Miniature
- Approval:
- UL 489
- Approval:
- CSA
- Size:
- 3 Inch Width x 2.9 Inch Depth x 2.9 Inch Height
- Volts:
- 240 VAC
- Amps:
- 32 A
- Poles:
- 3
- Mounting:
- Bolt-On
- Interrupting Rating:
- 10000 A at 240 VAC
- Terminal Type:
- Steel Box Lug Standard Load
- Wire Size:
- 8 to 1/0 AWG Copper/Aluminum (Standard Load)
- Short Description:
- 240 VAC, 100 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
- TS PIK:
- 21508717
- Current Rating:
- 100 A
- Number of Poles:
- 3
- Voltage Rating:
- 240 VAC
- Country of Origin:
- Dominican Republic
MSRP $651.15Surplus $105.00 -
Eaton BAB2100 Miniature Circuit Breakers (MCBs)
MSRP $379.64Surplus $78.40Eaton BAB2100 Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-1071 Brand: Eaton MPN: BAB2100 UPC: 78667930300 Shipping Weight: 0.65 lbs. Shipping Height: 2.00 In. Shipping...- SKU:
- C15-1071
- Series:
- BAB
- Type:
- Thermal Magnetic
- Approval:
- UL 489
- Approval:
- CSA
- Size:
- 3.9 Inch Length x 2.2 Inch Width x 4.8 Inch Height
- Volts:
- 120/240 VAC
- Amps:
- 32 A
- Poles:
- 2
- Mounting:
- Bolt-On
- Interrupting Rating:
- 10 kA at 120/240 VAC
- Interrupting Rating:
- 5 kA at 24 to 48/62.5/80 Volt DC
- Terminal Type:
- Extended Tang Line
- Terminal Type:
- Box Lug Load
- Wire Size:
- 8 to 1/0 AWG (Copper/Aluminum)
- Short Description:
- 120/240 VAC, 100 A, 10 kA, 2-Pole, Extended Tang Line/Box Lug Load Terminal, Bolt-On Mount, Thermal Magnetic, Miniature
- Catalog:
- Eaton_03771_V4T1_11_V4T1_12_V4T1_46_CAT.pdf
- Voltage Rating:
- 120/240 VAC
- Current Rating:
- 100 A
- Number of Poles:
- 2
- TS PIK:
- 21508701
- Country of Origin:
- Dominican Republic
MSRP $379.64Surplus $78.40 -
Eaton CHH2100H2X Molded Case Breakers (MCCBs) CHH 2P 100A 240V 50/60Hz 1Ph
MSRP $2,650.00Surplus $306.97SKU: C15-1694 Brand: Eaton MPN: CHH2100H2X UPC: 782113032016 Shipping Weight: 4.50 lbs. Shipping Height: 5.00 In. Shipping Length: 9.00 In. Shipping Width: 4.00 In...- SKU:
- C15-1694
- Series:
- CHH
- Volts:
- 120/240 VAC
- Amps:
- 32 A
- Used On:
- 1MP/1MM/3MM Series 200 A Modular Meter Stack
- Poles:
- 2
- Mounting:
- Bolt-On
- Interrupting Rating:
- 25 kA
- Short Description:
- 120/240 VAC, 100 A, 25 kA, 2-Pole, Bolt-On Mount, Main Tenant
- Catalog:
- Eaton_00062_14_CAT.pdf
- Installation/Operator:
- Eaton_00008_INST.pdf
- Manufacturer Warranty:
- Eaton_00009_WARR.pdf
- Number of Poles:
- 2
- Current Rating:
- 100 A
- Voltage Rating:
- 120/240 VAC
- Country of Origin:
- Dominican Republic
MSRP $2,650.00Surplus $306.97 -
Siemens B3100 Miniature Circuit Breakers (MCBs) B 3P 100A 240V
MSRP $720.00Surplus $96.09SKU: C15-2266 Brand: Siemens MPN: B3100 UPC: Shipping Weight: 0.85 lbs. Shipping Height: 3.00 In. Shipping Length: 4.00 In. Shipping Width: 3.00 In. Product...- SKU:
- C15-2266
- Type:
- Molded Case
- Type:
- Branch
- Type:
- Common Trip
- Type:
- Thermal Magnetic
- Approval:
- UL 489
- Approval:
- CSA C22.2
- Volts:
- 240 VAC
- Amps:
- 32 A
- Used On:
- P1 Panelboard
- Poles:
- 3
- Interrupting Rating:
- 10 kA
- Application:
- Electrical Distribution
- Installation:
- Bolt-On
- Short Description:
- 240 VAC, 100 A, 10 kA, 3-Pole, Bolt-On Mount, Molded Case, Branch, Common Trip, Thermal Magnetic
- Catalog:
- SiemensAG_00876_5_18_5_19_CAT.pdf
- Data Sheet:
- SiemensAG_01604_1_DATA.pdf
- Number of Poles:
- 3
- Current Rating:
- 100 A
- Voltage Rating:
- 240 VAC
- Mounting:
- Bolt-On
- Series:
- B
- Country of Origin:
- Mexico
MSRP $720.00Surplus $96.09 -
Siemens BQ3B100 Miniature Circuit Breakers (MCBs) EA
MSRP $252.94Surplus $120.40SKU: C15-6235 Brand: Siemens MPN: BQ3B100 UPC: 78364310266 Shipping Weight: 1.05 lbs. Shipping Height: 3.00 In. Shipping Length: 4.00 In. Shipping Width: 3.00 In...- SKU:
- C15-6235
- TS PIK:
- 117726856
- Data Sheet:
- SiemensAG_05408_1_DATA.pdf
- Current Rating:
- 100 A
- Type:
- Molded Case, Thermal and Fixed Magnetic Trip, Common Trip
- Catalog:
- SiemensAG_01698_17_1_17_7_CAT.pdf
- Interrupting Rating:
- 10 kA at 240 VAC Symmetrical (UL)
- Series:
- BQ
- Number of Poles:
- 3
- Mounting:
- Bolt-On
- Terminal Type:
- Load Lug
- Voltage Rating:
- 240 VAC at 60 Hz
- Wire Size:
- 4 to 1/0 AWG (Copper), 2 to 1/0 AWG (Aluminum)
- Short Description:
- 240 VAC, 100 A, 10 kA, 3-Pole, Load Lug Terminal, BQ Frame, Bolt-On, Common Trip, Molded Case Circuit Breaker
- Country of Origin:
- Mexico
- Approval:
- UL 489, CSA C22.2
MSRP $252.94Surplus $120.40 -
Eaton BAB2100S Miniature Circuit Breakers (MCBs) EA
MSRP $767.02Surplus $297.92SKU: C15-5227 Brand: Eaton MPN: BAB2100S UPC: 78667950963 Shipping Weight: 0.95 lbs. Shipping Height: 4.00 In. Shipping Length: 4.00 In. Shipping Width: 3.00 In...- SKU:
- C15-5227
- Approval:
- UL 489
- Approval:
- CSA
- Amps:
- 100 A
- Interrupting Rating:
- 10000 A at 120/240 VAC
- Interrupting Rating:
- 5000 Amp at 24 to 48/62.5/80 Volt DC
- Mounting:
- Bolt-On
- Poles:
- 2
- Size:
- 3.3 Inch Width x 3.8 Inch Depth x 4.9 Inch Height
- Terminal Type:
- Steel Box Lug Standard Load
- Type:
- Thermal Magnetic
- Type:
- Non-Interchangeable Trip
- Type:
- Miniature
- Volts:
- 120/240 VAC
- Volts:
- 24/48/80 VDC
- Gauge:
- 8 to 1/0 AWG Copper/Aluminum (Standard Load)
- Country of Origin:
- Dominican Republic
- Number of Poles:
- 2
- Short Description:
- QUICKLAG INDUSTRIAL THERMAL-MAGNETIC CIRCUIT BREAKER, TWO-POLE, 120VAC SHUNT TRIP, 100A, 10 kAIC, 120/240V, NON-INTERCHANGEABLE, BOLT-ON MOUNTING
- Wire Size:
- 8 to 1/0 AWG Copper/Aluminum (Standard Load)
- Catalog:
- Eaton_03771_V4T1_3-V4T1_46_CAT.pdf
- Current Rating:
- 100 A
- Voltage Rating:
- 120/240 VAC, 24/48/80 VDC
MSRP $767.02Surplus $297.92 -
Crouse Hinds CCV2100 Miniature Circuit Breakers (MCBs)
MSRP $1,396.00Surplus $371.07SKU: C15-8018 Brand: Crouse Hinds MPN: CCV2100 UPC: 78668536833 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-8018
- TS PIK:
- 123986986
- Short Description:
- 240 VAC, 100 A, 10 kA, 2-Pole, Lug Screw Terminal, Bolt-On Mount, Thermal Magnetic, Main Tenant, Enclosed Circuit Breaker
- Type:
- Thermal Magnetic, Main
- Voltage Rating:
- 120/240 VAC
- Interrupting Rating:
- 10 kA
- Size:
- 7.7 Inch Length x 4.5 Inch Width x 5.4 Inch Height
- Series:
- CCV
- Used On:
- ECC Unit Enclosure
- Wire Size:
- 2/0 AWG to 300 KCMIL (Copper/Aluminum)
- Number of Poles:
- 2
- Terminal Type:
- Lug
- Mounting:
- Bolt-On
- Catalog:
- Eaton_36620_V1T1_101_CAT.pdf
- Current Rating:
- 100 A
- Approval:
- UL, CSA C22.2
- Country of Origin:
- United States
MSRP $1,396.00Surplus $371.07 -
Eaton BAB2100 Molded Case Breakers (MCCBs)
MSRP $110.25Surplus $150.21SKU: C15-11033 Brand: Eaton MPN: BAB2100 UPC: 78667930300 Shipping Weight: 0.75 lbs. Shipping Height: 3.00 In. Shipping Length: 4.00 In. Shipping Width: 2.00 In...- SKU:
- C15-11033
- TS PIK:
- 21508701
- Short Description:
- 120/240 VAC, 100 A, 10 kA, 2-Pole, Extended Tang Line/Box Lug Load Terminal, Bolt-On Mount, Thermal Magnetic, Miniature, Circuit Breaker
- Number of Poles:
- 2
- Series:
- BAB
- Current Rating:
- 100 A
- Voltage Rating:
- 120/240 VAC
- Catalog:
- Eaton_03771_V4T1_11_V4T1_12_V4T1_46_CAT.pdf
- Interrupting Rating:
- 10 kA at 120/240 VAC, 5 kA at 24 to 48/62.5/80 VDC
- Type:
- Thermal Magnetic
- Size:
- 3.9 Inch Length x 2.2 Inch Width x 4.8 Inch Height
- Terminal Type:
- Extended Tang Line, Box Lug Load
- Approval:
- UL 489, CSA
- Wire Size:
- 8 to 1/0 AWG (Copper/Aluminum)
- Mounting:
- Bolt-On
- Country of Origin:
- Dominican Republic
MSRP $110.25Surplus $150.21 -
Eaton BAB2100H Miniature Circuit Breakers (MCBs) BAB 2P 100A 240V 50/60Hz 1Ph EA
MSRP $516.00Surplus $107.64SKU: C15-1072 Brand: Eaton MPN: BAB2100H UPC: 786679303023 Shipping Weight: 0.70 lbs. Shipping Height: 2.00 In. Shipping Length: 4.00 In. Shipping Width: 4.00 In...- SKU:
- C15-1072
- Series:
- BAB
- Type:
- Thermal Magnetic
- Approval:
- UL 489
- Approval:
- CSA
- Volts:
- 240 VAC
- Amps:
- 32 A
- Poles:
- 2
- Mounting:
- Bolt-On
- Interrupting Rating:
- 10000 A at 120/240 VAC
- Interrupting Rating:
- 5000 A at 24 to 48/62.5/80 VDC
- Terminal Type:
- Extended Tang Line Terminal
- Terminal Type:
- Box Lug Load Terminal
- Wire Size:
- 8 to 1/0 AWG (Aluminum/Copper
- Wire Size:
- Load)
- Short Description:
- 240 VAC, 100 A, 10 kA, 2-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
- TS PIK:
- 21508702
- Current Rating:
- 100 A
- Number of Poles:
- 2
- Voltage Rating:
- 240 VAC
- Country of Origin:
- Dominican Republic
MSRP $516.00Surplus $107.64 -
Eaton BAB3100HS Miniature Circuit Breakers (MCBs) BA 3P 100A 240V 50/60Hz 3Ph EA
MSRP $1,073.84Surplus $396.24SKU: C15-3883 Brand: Eaton MPN: BAB3100HS UPC: 786679509722 Shipping Weight: 1.40 lbs. Shipping Height: 4.00 In. Shipping Length: 4.00 In. Shipping Width: 3.00 In...- SKU:
- C15-3883
- 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:
- 8 to 1/0 AWG (Aluminum/Copper
- Wire Size:
- Load)
- Short Description:
- 240 VAC, 100 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:
- 100 A
- Voltage Rating:
- 240 VAC
- Number of Poles:
- 3
- TS PIK:
- 107004142
- Country of Origin:
- Dominican Republic
MSRP $1,073.84Surplus $396.24 -
Eaton CCV2100X Molded Case Breakers (MCCBs)
MSRP $1,050.00Surplus $178.46SKU: C15-2251 Brand: Eaton MPN: CCV2100X UPC: 786685368344 Shipping Weight: 2.75 lbs. Shipping Height: 5.00 In. Shipping Length: 8.00 In. Shipping Width: 6.00 In...- SKU:
- C15-2251
- Series:
- CCV
- Type:
- Thermal Magnetic
- Type:
- Main
- Approval:
- UL
- Size:
- 8 Inch Length x 4.5 Inch Width x 5.5 Inch Height
- Volts:
- 120/240 V
- Amps:
- 32 A
- Used On:
- ECC Unit Enclosure
- Poles:
- 2
- Mounting:
- Bolt-On
- Interrupting Rating:
- 10 kA
- Terminal Type:
- Load Lug
- Wire Size:
- 2/0 AWG to 300 KCMIL (Copper/Aluminum)
- Short Description:
- 120/240 VAC, 100 A, 10 kA, 2-Pole, Load Lug Terminal, Bolt-On Mount, Thermal Magnetic, Main Tenant
- Catalog:
- Eaton_36620_V1T4_88_V1T4_123_V1T4_134_CAT.pdf
- TS PIK:
- 123986987
- Voltage Rating:
- 120/240 V
- Current Rating:
- 100 A
- Number of Poles:
- 2
- Country of Origin:
- United States
MSRP $1,050.00Surplus $178.46 -
Eaton CHB2100 Miniature Circuit Breakers (MCBs) CH 2P 100A 240V 50/60Hz 1Ph
MSRP $810.00Surplus $300.11SKU: C15-2003 Brand: Eaton MPN: CHB2100 UPC: 782113112671 Shipping Weight: 0.60 lbs. Shipping Height: 4.00 In. Shipping Length: 4.00 In. Shipping Width: 2.00 In...- SKU:
- C15-2003
- Series:
- CHB
- Type:
- Thermal Magnetic
- Type:
- Common Trip
- Approval:
- UL 489
- Size:
- 3.6 Inch Length x 1.5 Inch Width x 3.5 Inch Height
- Volts:
- 120/240 VAC
- Amps:
- 32 A
- Used On:
- CH Series Load Center
- Poles:
- 2
- Mounting:
- Bolt-On
- Interrupting Rating:
- 10 kA at 120/240 VAC
- Wire Size:
- 4 to 1/0 AWG
- Short Description:
- 120/240 VAC, 100 A, 10 kA, 2-Pole, Bolt-On Mount, Thermal Magnetic
- Current Rating:
- 100 A
- Voltage Rating:
- 120/240 VAC
- Number of Poles:
- 2
- Country of Origin:
- United States
MSRP $810.00Surplus $300.11 -
Eaton QBHW2100 Miniature Circuit Breakers (MCBs) QBHW 2P 100A 240V 50/60Hz 1Ph EA
MSRP $955.00Surplus $180.83SKU: C15-3606 Brand: Eaton MPN: QBHW2100 UPC: 786679393109 Shipping Weight: 0.75 lbs. Shipping Height: 4.00 In. Shipping Length: 4.00 In. Shipping Width: 4.00 In...- SKU:
- C15-3606
- Series:
- QBHW
- Type:
- Thermal Magnetic
- Approval:
- UL 489
- Approval:
- CSA
- Volts:
- 120/240 VAC
- Amps:
- 32 A
- Poles:
- 2
- Mounting:
- Bolt-On
- Interrupting Rating:
- 22000 A at 120/240 VAC
- Interrupting Rating:
- 5000 A at 24 to 48/62.5/80 VDC
- Terminal Type:
- Extended Tang Line Terminal
- Terminal Type:
- Box Lug Load Terminal
- Wire Size:
- 8 to 1/0 AWG (Aluminum/Copper
- Wire Size:
- Load)
- Short Description:
- 120/240 VAC, 100 A, 22 kA, 2-Pole, Extended Tang Line/Steel Box Lug Load Terminal, Bolt-On Mount, Thermal Magnetic, Miniature
- Catalog:
- Eaton_03771_V4T1_12_CAT.pdf
- TS PIK:
- 21510603
- Voltage Rating:
- 120/240 VAC
- Number of Poles:
- 2
- Current Rating:
- 100 A
- Country of Origin:
- Dominican Republic
MSRP $955.00Surplus $180.83 -
Eaton QBHW3100H Miniature Circuit Breakers (MCBs) 3P 100A 240V EA
MSRP $996.58Surplus $84.78SKU: C15-4120 Brand: Eaton MPN: QBHW3100H UPC: 786679393659 Shipping Weight: 1.15 lbs. Shipping Height: 3.00 In. Shipping Length: 4.00 In. Shipping Width: 4.00 In...- SKU:
- C15-4120
- Series:
- QBHW
- Type:
- Thermal Magnetic
- Approval:
- UL 489
- Approval:
- CSA
- Size:
- 2.9 Inch Length x 2.9 Inch Width x 3 Inch Height
- Volts:
- 240 VAC
- Amps:
- 32 A
- Poles:
- 3
- Mounting:
- Bolt-On
- Interrupting Rating:
- 22 kA at 240 VAC
- Terminal Type:
- Extended Tang Line
- Terminal Type:
- Box Lug Load
- Wire Size:
- 8 to 1/0 AWG (Copper/Aluminum)
- Short Description:
- 240 VAC, 100 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:
- 21510616
- Current Rating:
- 100 A
- Number of Poles:
- 3
- Voltage Rating:
- 240 VAC
- Country of Origin:
- Dominican Republic
MSRP $996.58Surplus $84.78 -
GE THQB21100 Miniature Circuit Breakers (MCBs) EA
MSRP $323.38Surplus $63.00GE THQB21100 Miniature Circuit Breakers (MCBs) EA​ ARCA SKU: C15-6022 Brand: GE MPN: THQB21100 UPC: 78316413574 Shipping Weight: 0.75 lbs. Shipping Height: 3.40 In. Shipping...- SKU:
- C15-6022
- TS PIK:
- 112128611
- Type:
- Thermal Magnetic, Compact
- Terminal Type:
- Bolt-On
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00015_6_8_6_35_CAT.pdf
- Installation/Operator:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00005_INST.pdf
- Short Description:
- 120/240 VAC, 100 A, 10 kA, 2-Pole, 6 to 1/0 AWG Copper/4 to 1/0 AWG Aluminum, 1" Bolt-On Mount, Q-Line Frame, Molded Case, Non-Interchangeable/Common Trip, Compact, Fixed Thermal Magnetic, Circuit Breaker
- Current Rating:
- 100 A
- Mounting:
- Bolt-On
- Number of Poles:
- 2
- Country of Origin:
- United States
MSRP $323.38Surplus $63.00 -
Square D QOM100VH8106 Miniature Circuit Breakers (MCBs) EA
MSRP $242.00Surplus $69.15Square D QOM100VH8106 Miniature Circuit Breakers (MCBs) EA​ ARCA SKU: C15-9374 Brand: Square D MPN: QOM100VH8106 UPC: Shipping Weight: 1.10 lbs. Shipping Height: 4.00 In. Shipping...- SKU:
- C15-9374
- TS PIK:
- 122966518
- Data Sheet:
- SchneiderElectric-SquareD_05139_1_2_DATA.pdf
- Short Description:
- 120/240 VAC 50/60 Hz, 100 A, 22 kA, 2-Pole, 12 to 2/0 AWG Aluminum/Copper, Bolt-On Mount, Miniature Circuit Breaker
- Wire Size:
- 12 to 2/0 AWG (Aluminum/Copper)
- Interrupting Rating:
- 22 kA
- Voltage Rating:
- 120/240 VAC
- Current Rating:
- 100 A
- CAD Drawings:
- SchneiderElectric-SquareD_05485_1_CAD.pdf
- Mounting:
- Bolt-On
- Number of Poles:
- 1
- Country of Origin:
- Mexico
- Approval:
- UL
MSRP $242.00Surplus $69.15
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