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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GENERAL ELECTRIC THQL2170 Miniature Circuit Breakers (MCBs)
MSRP $186.70Surplus $53.20GENERAL ELECTRIC THQL2170 Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-3861 Brand: GENERAL ELECTRIC MPN: THQL2170 UPC: 78316409920 Shipping Weight: 0.65 lbs. Shipping Height: 3...- SKU:
- C15-3861
- 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, 70 A, 10 kA, 2-Pole, 6 to 1/0 AWG Copper/4 to 1/0 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_00504_1_CAD.pdf
- TS PIK:
- 555975
- Current Rating:
- 70 A
- Number of Poles:
- 2
- CAD Drawings:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00504_1_CAD.pdf
- Voltage Rating:
- 120/240 VAC
- Mounting:
- Plug-On
- Country of Origin:
- United States
MSRP $186.70Surplus $53.20 -
Eaton CH270 Miniature Circuit Breakers (MCBs) CH 2P 70A 240V 50/60Hz 1Ph EA
MSRP $203.42Surplus $51.77Eaton CH270 Miniature Circuit Breakers (MCBs) CH 2P 70A 240V 50/60Hz 1Ph EA​ ARCA SKU: C15-3957 Brand: Eaton MPN: CH270 UPC: 782113101897 Shipping Weight: 0.55 lbs. Shipping...- SKU:
- C15-3957
- Approval:
- UL 489
- Amps:
- 70 A
- Interrupting Rating:
- 10 kA
- Mounting:
- Plug-On
- Poles:
- 2
- Terminal Type:
- Common Trip
- Used On:
- Type CH Loadcenter
- Volts:
- 120/240 V
- Gauge:
- 14 to 2 AWG (Aluminum/Copper)
- Short Description:
- 120/240 VAC, 70 A, 10 kA, 2-Pole, Plug-On Mount, Common Trip, Thermal Magnetic, Circuit Breaker
- Series:
- Type CH
- TS PIK:
- 531271
- Current Rating:
- 70 A
- Type:
- Common Trip
- Wire Size:
- 14 to 2 AWG (Aluminum/Copper)
- Number of Poles:
- 2
- Catalog:
- Eaton_36620_V1T1_36_V1T1_37_CAT.pdf
- Installation/Operator:
- Eaton_00231_INST.pdf
- Voltage Rating:
- 120/240 V
- Country of Origin:
- Dominican Republic
MSRP $203.42Surplus $51.77 -
Eaton BR370 Miniature Circuit Breakers (MCBs) 1P 15A 240V EA
MSRP $596.20Surplus $42.40Eaton BR370 Miniature Circuit Breakers (MCBs) 1P 15A 240V EA​ ARCA SKU: C15-1266 Brand: Eaton MPN: BR370 UPC: 786676368001 Shipping Weight: 1.00 lbs. Shipping Height: 3.00 In...- SKU:
- C15-1266
- Series:
- BR
- Type:
- Bi-Metallic
- Approval:
- UL 489
- Size:
- 1.9 Inch Length x 2.9 Inch Width x 2.5 Inch Height
- Volts:
- 240 VAC
- Amps:
- 32 A
- Used On:
- Type BR Load Center
- Poles:
- 3
- Mounting:
- Plug-On
- Interrupting Rating:
- 10 kA at 240 VAC
- Enclosure:
- IP20
- Wire Size:
- 4 to 1/0 AWG (Aluminum/Copper)
- Short Description:
- 240 VAC, 70 A, 10 kA, 3-Pole, Plug-On Mount, Common Trip
- Catalog:
- Eaton_36620_V1T1_85_CAT.pdf
- Data Sheet:
- Eaton_41007_1-6_DATA.pdf
- TS PIK:
- 21493900
- Number of Poles:
- 3
- Voltage Rating:
- 240 VAC
- Current Rating:
- 70 A
- Country of Origin:
- Dominican Republic
MSRP $596.20Surplus $42.40 -
Siemens Q170 Miniature Circuit Breakers (MCBs) 1P 70A
MSRP $90.75Surplus $17.77Siemens Q170 Miniature Circuit Breakers (MCBs) 1P 70A​ ARCA SKU: C15-6345 Brand: Siemens MPN: Q170 UPC: 66286200399 Shipping Weight: 0.30 lbs. Shipping Height: 3.00 In. Shipping...- SKU:
- C15-6345
- TS PIK:
- 115580534
- Size:
- 1 Inch W x 3 Inch D x 3-1/8 Inch H
- Mounting:
- Plug-On
- Used On:
- Loadcenter
- Current Rating:
- 70 A
- Interrupting Rating:
- 10 kA
- Short Description:
- 120/240 VAC, 70 A, 10 kA, 1-Pole, 8 to 2/0 AWG Copper/Aluminum, Load Lug Terminal, Plug-In Mount, QP Frame, Thermal Magnetic Trip Unit, Miniature Circuit Breaker for Load Center
- Number of Poles:
- 1
- Voltage Rating:
- 120 VAC
- Wire Size:
- 8 to 2/0 AWG (Copper/Aluminum)
- Data Sheet:
- SiemensAG_06980_1_DATA.pdf
- Installation/Operator:
- SiemensAG_00215_INST.pdf
- Terminal Type:
- Load Lug
- Catalog:
- SiemensAG_00562_1_41_1_46_1_47_CAT.pdf
- Type:
- Thermal and Fixed Magnetic
- Country of Origin:
- MEX
- Approval:
- UL 489, CSA C22.2
MSRP $90.75Surplus $17.77 -
Crouse-Hinds CH270 Miniature Circuit Breakers (MCBs)
MSRP $203.42Surplus $35.47SKU: C15-8030 Brand: Crouse-Hinds MPN: CH270 UPC: 78211310189 Shipping Weight: 0.60 lbs. Shipping Height: 2.00 In. Shipping Length: 4.00 In. Shipping Width: 4.00 In...- SKU:
- C15-8030
- TS PIK:
- 116113430
- Voltage Rating:
- 120/240 VAC
- Series:
- CH
- Interrupting Rating:
- 10 kA at 120/240 VAC
- Wire Size:
- 14 to 2 AWG (Copper/Aluminum), 3/0 AWG (Copper/Aluminum)
- Number of Poles:
- 2
- Type:
- Common Trip
- Short Description:
- 120/240 VAC, 70 A, 2-Pole, 10 kA, Plug-On Mount, Common Trip, Thermal Magnetic, Standard Circuit Breaker
- Used On:
- CH Series LoadCentre
- Current Rating:
- 70 A
- Mounting:
- Plug-On
- Catalog:
- Eaton_00001_V1T1_37_CAT.pdf
- Approval:
- UL 489
- Installation/Operator:
- Eaton_00231_INST.pdf
- Country of Origin:
- United States
MSRP $203.42Surplus $35.47 -
Murray MP270 Miniature Circuit Breakers (MCBs) 2P 70A 120V
MSRP $295.20Surplus $49.06Murray MP270 Miniature Circuit Breakers (MCBs) 2P 70A 120V​ ARCA SKU: C15-6308 Brand: Murray MPN: MP270 UPC: 04089227980 Shipping Weight: 4.00 lbs. Shipping Height: 4.00 In...- SKU:
- C15-6308
- TS PIK:
- 120071984
- Installation/Operator:
- SiemensAG_00215_INST.pdf
- Type:
- Common Trip
- Voltage Rating:
- 120/240 VAC
- Interrupting Rating:
- 10 kA
- Data Sheet:
- SiemensAG_06636_1_DATA.pdf
- Short Description:
- 120/240 VAC, 70 A, 10 kA, 2-Pole, Plug-In Mount, MP-T Frame, Thermal Magnetic Trip Unit, Miniature Circuit Breaker
- Used On:
- Loadcenter
- Size:
- 2 Inch W x 3 Inch D x 3 1/8 Inch H
- Series:
- MP-T
- Number of Poles:
- 2
- Current Rating:
- 70 A
- Terminal Type:
- Load Lug
- Wire Size:
- 8 to 2/0 AWG (Copper/Aluminum)
- Mounting:
- Plug-On
- Country of Origin:
- Mexico
MSRP $295.20Surplus $49.06 -
Eaton CH370 Miniature Circuit Breakers (MCBs) CH 3P 70A 240V 50/60Hz 3Ph EA
MSRP $485.56Surplus $252.70Eaton CH370 Miniature Circuit Breakers (MCBs) CH 3P 70A 240V 50/60Hz 3Ph EA​ ARCA SKU: C15-3279 Brand: Eaton MPN: CH370 UPC: 782113102139 Shipping Weight: 0.90 lbs. Shipping...- SKU:
- C15-3279
- Series:
- CH
- Type:
- Thermal Magnetic
- Type:
- Common Trip
- Type:
- Branch
- Approval:
- UL 489
- Approval:
- CSA
- Volts:
- 240 VAC
- Amps:
- 32 A
- Used On:
- CH Series Load Center
- Poles:
- 3
- Mounting:
- Plug-On
- Interrupting Rating:
- 10 kA
- Terminal Type:
- Box Lug
- Wire Size:
- 10 to 1/0 AWG (Copper/Aluminum)
- Short Description:
- 240 VAC, 70 A, 10 kA, 3-Pole, Plug-On Mount, Common Trip, Thermal Magnetic
- Catalog:
- Eaton_36620_V1T1_36_V1T1_37_CAT.pdf
- TS PIK:
- 531280
- Voltage Rating:
- 240 VAC
- Number of Poles:
- 3
- Current Rating:
- 70 A
- Country of Origin:
- Dominican Republic
MSRP $485.56Surplus $252.70 -
Cutler-Hammer BR370 Miniature Circuit Breakers (MCBs)
MSRP $994.00Surplus $426.95SKU: C15-11451 Brand: Cutler-Hammer MPN: BR370 UPC: Shipping Weight: 1.00 lbs. Shipping Height: 3.00 In. Shipping Length: 3.00 In. Shipping Width: 3.00 In. Product...- SKU:
- C15-11451
- TS PIK:
- 21493900
- Number of Poles:
- 3
- Wire Size:
- 4 to 1/0 AWG (Aluminum/Copper)
- Short Description:
- 240 VAC, 70 A, 10 kA, 3-Pole, Plug-On Mount, Common Trip, Circuit Breaker
- Used On:
- Type BR Load Center
- Voltage Rating:
- 240 VAC
- Type:
- Common Trip
- Series:
- BR
- Mounting:
- Plug-On
- Current Rating:
- 70 A
- Catalog:
- Eaton_36620_V1T1_85_CAT.pdf
- Size:
- 1.9 Inch Length x 2.9 Inch Width x 2.5 Inch Height
- Interrupting Rating:
- 10 kA at 240 VAC
- Approval:
- UL 489
- Country of Origin:
- Dominican Republic
MSRP $994.00Surplus $426.95 -
Eaton BR270 Miniature Circuit Breakers (MCBs) 2P 70A 120V EA
MSRP $194.20Surplus $46.82Eaton BR270 Miniature Circuit Breakers (MCBs) 2P 70A 120V EA​ ARCA SKU: C15-1244 Brand: Eaton MPN: BR270 UPC: 78667636315 Shipping Weight: 0.65 lbs. Shipping Height: 2.00 In...- SKU:
- C15-1244
- Series:
- BR
- Type:
- Common Trip
- Approval:
- UL 489
- Volts:
- 120/240 VAC
- Amps:
- 32 A
- Used On:
- BR Series Load Center
- Poles:
- 2
- Mounting:
- Plug-On
- Interrupting Rating:
- 10 kA
- Wire Size:
- 8 to 1/0 AWG (Copper/Aluminum)
- Short Description:
- 120/240 VAC, 70 A, 10 kA, 2-Pole, Plug-On Mount, Common Trip, Duplex, Thermal Magnetic
- Catalog:
- Eaton_36620_V1T1_84_CAT.pdf
- TS PIK:
- 21493862
- Number of Poles:
- 2
- Voltage Rating:
- 120/240 VAC
- Current Rating:
- 70 A
- Country of Origin:
- Dominican Republic
MSRP $194.20Surplus $46.82 -
Leviton LB270 Miniature Circuit Breakers (MCBs) EA
MSRP $42.72Surplus $19.62Leviton LB270 Miniature Circuit Breakers (MCBs) EA​ ARCA SKU: C15-9631 Brand: Leviton MPN: LB270 UPC: 078477814536 Shipping Weight: 1.05 lbs. Shipping Height: 4.00 In. Shipping...- SKU:
- C15-9631
- TS PIK:
- 127323480
- Type:
- Hydraulic-Magnetic Trip, Standard
- Number of Poles:
- 2
- Size:
- 2 Inch Width x 3.1 Inch Depth x 3.9 Inch Height
- Terminal Type:
- Lug
- Interrupting Rating:
- 10 kA
- Voltage Rating:
- 120 to 240 VAC
- Mounting:
- Plug-On
- Current Rating:
- 70 A
- Short Description:
- 120/240 VAC, 70 A, 10 kA, 2-Pole, Plug-On Mount, Hydraulic Magnetic Trip, Standard, Branch Circuit Breaker
- Installation/Operator:
- Leviton_00261_INST.pdf
- Catalog:
- Leviton_00008_A2_A3_A6_A7_CAT.pdf
- Data Sheet:
- Leviton_05225_1-4_DATA.pdf
MSRP $42.72Surplus $19.62 -
Siemens Q27000S01 Miniature Circuit Breakers (MCBs)
MSRP $493.00Surplus $186.84SKU: C15-10555 Brand: Siemens MPN: Q27000S01 UPC: 78364323758 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-10555
- TS PIK:
- 115559534
- Type:
- Thermal and Fixed Magnetic, Common Trip
- Voltage Rating:
- 120/240 VAC at 50/60 Hz
- Current Rating:
- 70 A
- Installation/Operator:
- SiemensAG_00215_INST.pdf
- Terminal Type:
- Load Lug
- Short Description:
- 120/240 VAC, 70 A, 10 kA, 2-Pole, 8 to 2/0 AWG Copper/Aluminum, Load Lug Terminal, Plug-On Mount, QP Frame, 120 VAC Shunt Trip, Thermal Magnetic Trip Unit, Miniature Circuit Breaker for Load Center
- Mounting:
- Plug-On
- Size:
- 2 Inch W x 3 Inch D x 3-1/8 Inch H
- Used On:
- Loadcenter
- Interrupting Rating:
- 10 kA
- Wire Size:
- 8 to 2/0 AWG (Copper/Aluminum)
- Catalog:
- SiemensAG_00562_1_41_1_46_1_47_CAT.pdf
- Data Sheet:
- SiemensAG_07043_1_DATA.pdf
- Number of Poles:
- 2
- Country of Origin:
- Mexico
- Approval:
- UL 489, CSA C22.2
MSRP $493.00Surplus $186.84 -
Square D QO170 Miniature Circuit Breakers (MCBs)
MSRP $67.00Surplus $22.59Square D QO170 Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-6531 Brand: Square D MPN: QO170 UPC: 78590147747 Shipping Weight: 0.35 lbs. Shipping Height: 3.00 In. Shipping...- SKU:
- C15-6531
- TS PIK:
- 109595036
- Number of Poles:
- 1
- Series:
- QO
- Type:
- Miniature, Standard
- Mounting:
- Plug-On
- Current Rating:
- 70 A
- Size:
- 0.75 Inch Width x 2.91 Inch Depth x 3.11 Inch Height
- Wire Size:
- 8 to 2 AWG (Copper/Aluminum)
- Voltage Rating:
- 120/240 VAC
- Installation/Operator:
- SchneiderElectric-SquareD_01259_INST.pdf
- Interrupting Rating:
- 5/10 kA
- Used On:
- QO Load Center, NQ/NQOD Panelboard/OEM Interior/Speed-D Switchboard Distribution Panel
- Short Description:
- 120/240 VAC 50/60 Hz, 48 VDC, 70 A, 5/10 kA Interrupt, 1-Pole, 8 to 2 AWG Copper/Aluminum, Plug-In Mount, Box Lug Terminal, Standard, Miniature Circuit Breaker
- Data Sheet:
- SchneiderElectric-SquareD_53445_1_2_DATA.pdf
- Catalog:
- SchneiderElectric-SquareD_32357_1_2_1_3_CAT.pdf
- Terminal Type:
- Box Lug
- Country of Origin:
- Mexico
- Approval:
- UL, CSA
MSRP $67.00Surplus $22.59 -
Square D QO270VH Miniature Circuit Breakers (MCBs)
MSRP $224.00Surplus $141.75SKU: C15-10898 Brand: Square D MPN: QO270VH UPC: 78590105498 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-10898
- TS PIK:
- 111081463
- Voltage Rating:
- 120/240 VAC 50/60 Hertz
- Series:
- QO
- Data Sheet:
- SchneiderElectric-SquareD_53542_1_2_DATA.pdf
- Mounting:
- Plug-On
- Type:
- Common Trip, Miniature, Standard
- Interrupting Rating:
- 22 kA
- Current Rating:
- 70 A
- Catalog:
- SchneiderElectric-SquareD_32357_1_2_1_3_CAT.pdf
- Installation/Operator:
- SchneiderElectric-SquareD_01265_INST.pdf
- Used On:
- QO Load Center, NQ/NQOD Panelboard/OEM Interior/Speed-D Switchboard Distribution Panel
- Terminal Type:
- Box Lug
- Number of Poles:
- 2
- Short Description:
- 120/240 VAC 50/60 Hz, 70 A, 22 kA Interrupt, 2-Pole, 8 to 2 AWG Copper/Aluminum, Plug-On Mount, Box Lug Terminal, Standard, Miniature Circuit Breaker
- Wire Size:
- 8 to 2 AWG (Copper/Aluminum)
- Size:
- 1.5 Inch Width x 2.91 Inch Depth x 3.11 Inch Height
- Approval:
- UL, CSA
- Country of Origin:
- Mexico
MSRP $224.00Surplus $141.75
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