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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Square D HJL36070 Molded Case Breakers (MCCBs)
MSRP $2,232.53Surplus $1,484.63SKU: C15-10746 Brand: Square D MPN: HJL36070 UPC: 78590183986 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-10746
- TS PIK:
- 120732134
- Series:
- HJ
- Prop 65 Warning:
- Yes
- Number of Poles:
- 3
- Short Description:
- 600 VAC 50/60 Hz, 250 VDC, 70 A, 25 kA, 3-Pole, H-Frame, Unit Mount, Line/Load Lug Terminal, 80% Continuous Current, Thermal Magnetic, Current Limiting, Molded Case Circuit Breaker
- Size:
- 4.09 Inch Width x 3.39 Inch Depth x 6.42 Inch Height
- CAD Drawings:
- SchneiderElectric-SquareD_74672_1_CAD.pdf
- Terminal Type:
- Line/Load Lug
- Data Sheet:
- SchneiderElectric-SquareD_46816_1-3_DATA.pdf
- Type:
- Thermal Magnetic, Current Limiting
- Current Rating:
- 70 A
- Frame Type:
- H
- Voltage Rating:
- 600 VAC 50/60 Hertz, 250 VDC
- Maximum DC Voltage Rating:
- 250 V
- Catalog:
- SchneiderElectric-SquareD_32357_7_6_7_31_7_33_7_34_CAT.pdf
- Approval:
- UL, CSA, CE
- Maximum AC Voltage Rating:
- 600 V
- Interrupting Rating:
- 25 kA at 600 VAC, 20 kA at 250 VDC
- Installation/Operator:
- SchneiderElectric-Telemecanique_00047_INST.pdf
- Country of Origin:
- Mexico
MSRP $2,232.53Surplus $1,484.63 -
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Square D HLA36070 Molded Case Breakers (MCCBs)
MSRP $2,634.24Surplus $640.12SKU: C15-18781 Brand: Square D MPN: HLA36070 UPC: 78590167311 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-18781
- CAD Drawings:
- SchneiderElectric_29705_1_CAD.pdf
- Application:
- Distribution
- Used On:
- Class 611/612 I-Line Panelboard and Switchboard
- Installation/Operator:
- SchneiderElectric-Telemecanique_00047_INST.pdf
- Trip Setting:
- 800 A (Hold), 1450 A (Trip)
- Type:
- Thermal Magnetic, Current Limiting
- Data Sheet:
- SchneiderElectric-SquareD_46868_1-3_DATA.pdf
- Approval:
- UL, CSA, CE
- Short Description:
- 600 VAC 50/60 Hz, 250 VDC, 70 A, 50 kA, 3-Pole, H-Frame, ABC Phase, Line Lug Load Terminal, Thermal Magnetic, Current Limiting, Panelboard Molded Case Circuit Breaker
- Catalog:
- SchneiderElectric-SquareD_32357_7_31_9_58_CAT.pdf
- Interrupting Rating:
- 50 kA at 600 VAC, 20 kA at 250 VDC
- Number of Poles:
- 3
- Prop 65 Warning:
- Yes
- Current Rating:
- 70 A
- Series:
- HL
- Voltage Rating:
- 600 VAC 50/60 Hertz, 250 VDC
MSRP $2,634.24Surplus $640.12 -
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Square D HLL36070 Molded Case Breakers (MCCBs)
MSRP $2,348.24Surplus $942.41SKU: U00-8202 Brand: Square D MPN: HLL36070 UPC: 78590188382 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- U00-8202
- Approval:
- UL, CSA, CE
- Terminal Type:
- Line/Load Lug
- Voltage Rating:
- 600 VAC 50/60 Hertz, 250 VDC
- Maximum AC Voltage Rating:
- 600 V
- Maximum DC Voltage Rating:
- 250 V
- Short Description:
- 600 VAC 50/60 Hz, 250 VDC, 70 A, 50 kA, 3-Pole, H-Frame, Unit Mount, Line/Load Lug Terminal, 80% Continuous Current, Thermal Magnetic, Current Limiting, Molded Case Circuit Breaker
- Installation/Operator:
- SchneiderElectric-SquareD_00142_INST.pdf
- Catalog:
- SchneiderElectric-SquareD_32357_7_6_7_31_7_33_7_34_CAT.pdf
- Size:
- 4.09 Inch Width x 3.39 Inch Depth x 6.42 Inch Height
- Series:
- HL
- Number of Poles:
- 3
- Current Rating:
- 70 A
- Data Sheet:
- SchneiderElectric-SquareD_46896_1-3_DATA.pdf
- Frame Type:
- H
- Type:
- Thermal Magnetic, Current Limiting
- Interrupting Rating:
- 50 kA at 600 VAC, 20 kA at 250 VDC
- CAD Drawings:
- SchneiderElectric-SquareD_74672_1_CAD.pdf
MSRP $2,348.24Surplus $942.41 -
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Square D KA36070 Molded Case Breakers (MCCBs)
MSRP $2,843.39Surplus $767.72SKU: C15-16713 Brand: Square D MPN: KA36070 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- C15-16713
- Short Description:
- 600 VAC, 250 VDC, 70 A, 22 kA, 3-Pole, K-Frame, I-Line Mount, Thermal Magnetic, Molded Case Circuit Breaker
- Number of Poles:
- 3
- Current Rating:
- 70 A
- Interrupting Rating:
- 42 kA at 240 VAC, 25 kA at 480 VAC, 22 kA at 600 VAC
- Voltage Rating:
- 600 VAC, 250 VDC
- Type:
- Molded Case, Thermal Magnetic, Main
- Catalog:
- SchneiderElectric-SquareD_00935_11_12_11_13_CAT.pdf
- Approval:
- UL, CSA, IEC
- Installation:
- Plug-On
- Used On:
- I-Line Panelboard and Switchboard
- Trip Setting:
- 350 to 700 A
- Application:
- Construction
- Series:
- 655/825/660, kA
MSRP $2,843.39Surplus $767.72 -
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Square D KAL36070 Molded Case Breakers (MCCBs)
MSRP $6,125.85Surplus $1,653.98SKU: C15-16725 Brand: Square D MPN: KAL36070 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- C15-16725
- Series:
- kAL
- Number of Poles:
- 3
- Voltage Rating:
- 120/240/480/600 VAC at 50/60 Hz, 120/240 VAC at 50/60 Hz, 480 VAC Star/277 VAC at 50/60 Hz, (UL/CSA/NOM), 240/415 VAC at 50/60 Hz (IEC), 125 VDC, 250 VDC
- Current Rating:
- 70 A
- Type:
- Molded Case, Thermal Magnetic
- Size:
- 4.5 Inch W x 4.75 Inch D x 8 Inch H
- Catalog:
- SchneiderElectric-SquareD_00935_11_12_11_13_CAT.pdf
- Frame Type:
- K
- Approval:
- UL, CSA, CE
- Short Description:
- 600 VAC, 250 VDC, 70 A, 22 kA, 3-Pole, K-Frame, Individually Mount, Thermal Magnetic, Molded Case Circuit Breaker
- Terminal Type:
- Line Lug, Load Lug
- Interrupting Rating:
- 42 kA at 120 VAC, 42 kA at 120/240 VAC, 42 kA at 240 VAC, 25 kA at 480 VAC Star/277 VAC, 25 kA at 480 VAC, 22 kA at 600 VAC (UL/CSA/NOM), 10 kA at 240/415 VAC (IEC), 10 kA at 125 VDC, 10 kA at 250 VDC
- Maximum DC Voltage Rating:
- 250 V
- Maximum AC Voltage Rating:
- 600 V
MSRP $6,125.85Surplus $1,653.98 -
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Square D QBL32070 Molded Case Breakers (MCCBs)
MSRP $1,237.78Surplus $334.20SKU: C15-18831 Brand: Square D MPN: QBL32070 UPC: 78590144287 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-18831
- Frame Type:
- Q
- Prop 65 Warning:
- Yes
- Number of Poles:
- 3
- Short Description:
- 240 VAC, 70 A, 10 kA Interrupt, 3-Pole, Q-Frame, Line/Load Lug Terminal, Thermal Magnetic, Molded Case Circuit Breaker
- Interrupting Rating:
- 10 kA at 240 VAC (UL/CSA/NOM), 10/5 kA at 240 VAC (IEC)
- Voltage Rating:
- 240 VAC
- Catalog:
- SchneiderElectric_00260_1_45_CAT.pdf
- Size:
- 4.5 Inch W x 3.93 Inch D x 6.47 Inch H
- Maximum AC Voltage Rating:
- 240 V
- Type:
- Molded Case, Thermal Magnetic
- Approval:
- UL, CSA, CE
- Data Sheet:
- SchneiderElectric-SquareD_14656_1_2_DATA.pdf
- Series:
- QB
- Current Rating:
- 70 A
- Terminal Type:
- Line Lug, Load Lug
MSRP $1,237.78Surplus $334.20 -
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Square D QDA32070 Molded Case Breakers (MCCBs)
MSRP $1,728.12Surplus $466.60SKU: C15-18842 Brand: Square D MPN: QDA32070 UPC: 78590147583 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-18842
- Interrupting Rating:
- 25 kA at 240 VAC
- Installation/Operator:
- SchneiderElectric-SquareD_02030_INST.pdf
- Catalog:
- SchneiderElectric-SquareD_32357_9_57_CAT.pdf
- Type:
- Thermal Magnetic
- Data Sheet:
- SchneiderElectric_15701_1_2_DATA.pdf
- CAD Drawings:
- SchneiderElectric_30259_1_CAD.pdf
- Voltage Rating:
- 240 VAC 50/60 Hertz
- Short Description:
- 240 VAC 50/60 Hz, 70 A, 25 kA, 3-Pole, Q-Frame, ABC Phase, Line Lug Load Terminal, Thermal Magnetic, Panelboard Molded Case Circuit Breaker
- Application:
- Power Distribution
- Used On:
- I-Line Panelboard and Switchboard
- Approval:
- UL, CSA
- Number of Poles:
- 3
- Series:
- QD
- Trip Setting:
- 1000 to 1800 A
- Current Rating:
- 70 A
MSRP $1,728.12Surplus $466.60 -
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Square D QDP32070TM Molded Case Breakers (MCCBs) Q 3P 70A 240V 50/60Hz 3Ph
MSRP $2,428.56Surplus $821.97SKU: C15-2157 Brand: Square D MPN: QDP32070TM UPC: 785901678229 Shipping Weight: 4.62 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-2157
- Series:
- QB
- Type:
- Thermal Magnetic
- Type:
- Branch
- Approval:
- UL
- Approval:
- CSA
- Approval:
- ANCE
- Approval:
- IEC
- Size:
- 4.5 Inch W x 3.93 Inch D x 6.47 Inch H
- Volts:
- 120/240 VAC at 50/60 HZ
- Amps:
- 32 A
- Used On:
- EZ METER-PAK Meter Center
- Poles:
- 3
- Mounting:
- Bolt On
- Interrupting Rating:
- 25 kA at 240 VAC
- Terminal Type:
- Lug (On End)
- Terminal Type:
- Stud (Off End)
- Wire Size:
- 4 AWG to 300 KCMIL (Aluminum/Copper)
- Short Description:
- 240 VAC, 70 A, 25 kA Interrupt, 3-Pole, Unit Mount, Lug to Off End/Stud with Nut/Washer to On End Terminal, Q-Frame, Thermal Magnetic
- Catalog:
- SchneiderElectric-SquareD_03391_2_21_CAT.pdf
- Data Sheet:
- SchneiderElectric-SquareD_14726_1_2_DATA.pdf
- Installation/Operator:
- SchneiderElectric-SquareD_00130_INST.pdf
- CAD Drawing:
- SchneiderElectric-SquareD_17838_1_CAD.pdf
- Voltage Rating:
- 240 VAC
- Current Rating:
- 70 A
- CAD Drawings:
- SchneiderElectric-SquareD_17838_1_CAD.pdf
- Number of Poles:
- 3
MSRP $2,428.56Surplus $821.97 -
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Square D QGA32070 Molded Case Breakers (MCCBs)
MSRP $2,171.94Surplus $838.45SKU: U00-8546 Brand: Square D MPN: QGA32070 UPC: 78590145608 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- U00-8546
- Short Description:
- 240 VAC 50/60 Hz, 70 A, 65 kA, 3-Pole, Q-Frame, ABC Phase, Line Lug Load Terminal, Thermal Magnetic, Panelboard Molded Case Circuit Breaker
- Interrupting Rating:
- 65 kA at 240 VAC
- Application:
- Distribution
- Number of Poles:
- 3
- Current Rating:
- 70 A
- Voltage Rating:
- 240 VAC 50/60 Hertz
- Type:
- Thermal Magnetic
- Trip Setting:
- 1000 to 1800 A
- Used On:
- I-Line Panelboard and Switchboard
- Installation/Operator:
- SchneiderElectric-SquareD_02030_INST.pdf
- CAD Drawings:
- SchneiderElectric_30259_1_CAD.pdf
- Approval:
- UL, CSA
- Catalog:
- SchneiderElectric-SquareD_32357_9_57_CAT.pdf
- Series:
- QG
- Data Sheet:
- SchneiderElectric_15740_1_2_DATA.pdf
MSRP $2,171.94Surplus $838.45 -
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Square D QO3701021 Molded Case Breakers (MCCBs)
MSRP $950.19Surplus $256.55SKU: C15-18860 Brand: Square D MPN: QO3701021 UPC: 78590103057 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-18860
- Voltage Rating:
- 240 VAC at 50/60 Hz
- Size:
- 2.25 Inch W x 2.91 Inch D x 3 Inch H
- Catalog:
- SchneiderElectric-SquareD_03264_1_3_1_9_CAT.pdf
- Short Description:
- 120/240 VAC 50/60 Hz, 70 A, 10 kA Interrupt, 3-Pole, Plug-On Mount, 4-Panel Space, Box Lug Terminal, AC Shunt Trip, Standard, Miniature Circuit Breaker
- Number of Poles:
- 3
- Type:
- Common Trip, Thermal Magnetic
- Terminal Type:
- Box Lug
- Interrupting Rating:
- 10 kA
- CAD Drawings:
- SchneiderElectric-SquareD_03059_1_CAD.pdf
- Wire Size:
- 8 to 2 AWG (Aluminum/Copper)
- Approval:
- UL, CSA
- Data Sheet:
- SchneiderElectric-SquareD_15069_1_2_DATA.pdf
- Used On:
- QO Load Center, NQOD Panelboard, OEM Interior/Speed-D Switchboard Distribution Panel
- Mounting:
- Plug-On
- Current Rating:
- 70 A
MSRP $950.19Surplus $256.55 -
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Square D QO370VH Molded Case Breakers (MCCBs)
MSRP $1,219.72Surplus $329.33SKU: C15-17806 Brand: Square D MPN: QO370VH UPC: 78590106023 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-17806
- Current Rating:
- 70 A
- Voltage Rating:
- 120/240 VAC 50/60 Hertz
- Terminal Type:
- Box Lug
- Type:
- Common Trip, Miniature, Standard
- Number of Poles:
- 3
- Wire Size:
- 8 to 2 AWG (Copper/Aluminum)
- Mounting:
- Plug-On
- Used On:
- QO Load Center, NQ/NQOD Panelboard/OEM Interior/Speed-D Switchboard Distribution Panel
- Series:
- QO
- Interrupting Rating:
- 22 kA
- Catalog:
- SchneiderElectric-SquareD_32357_1_2_1_3_CAT.pdf
- Short Description:
- 120/240 VAC 50/60 Hz, 70 A, 22 kA Interrupt, 3-Pole, 8 to 2 AWG Copper/Aluminum, Plug-On Mount, Box Lug Terminal, Standard, Miniature Circuit Breaker
- Installation/Operator:
- SchneiderElectric-SquareD_01265_INST.pdf
- Size:
- 2.24 Inch Width x 2.91 Inch Depth x 3.11 Inch Height
- Data Sheet:
- SchneiderElectric-SquareD_53611_1_2_DATA.pdf
- Approval:
- UL, CSA
MSRP $1,219.72Surplus $329.33 -
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Square D QOB370VH1021 Molded Case Breakers (MCCBs)
MSRP $1,815.97Surplus $490.31SKU: C15-17898 Brand: Square D MPN: QOB370VH1021 UPC: 78590172843 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00...- SKU:
- C15-17898
- Installation:
- Bolt-On
- Installation/Operator:
- SchneiderElectric_00595_INST.pdf
- Short Description:
- 120/240 VAC 50/60 Hz, 70 A, 22 kA, 3-Pole, Q-Frame, Bolt-On Mount, Box Lug Terminal, Miniature, Panelboard Circuit Breaker with 120/208/240 VAC Shunt Trip Package
- Approval:
- UL, CSA
- Number of Poles:
- 3
- Interrupting Rating:
- 22 kA at 120/240 VAC
- Series:
- QOB
- Type:
- Miniature
- Catalog:
- SchneiderElectric-Telemecanique_00033_1_15_9_21_CAT.pdf
- Voltage Rating:
- 120/240 VAC 50/60 Hertz
- Data Sheet:
- SchneiderElectric_11179_1_2_DATA.pdf
- Current Rating:
- 70 A
- Used On:
- NQ Panelboard
MSRP $1,815.97Surplus $490.31 -
Square D QOU370 Miniature Circuit Breakers (MCBs)
MSRP $534.99Surplus $237.00SKU: C15-10937 Brand: Square D MPN: QOU370 UPC: 78590106030 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-10937
- TS PIK:
- 111081745
- Current Rating:
- 70 A
- Number of Poles:
- 3
- Voltage Rating:
- 120/240 VAC 50/60 Hertz, 60 VDC
- Terminal Type:
- Slotted Box Lug Line/Load
- Type:
- Miniature, Standard
- Series:
- QOU
- Installation/Operator:
- SchneiderElectric-SquareD_02171_INST.pdf
- Used On:
- OEM
- CAD Drawings:
- SchneiderElectric_30266_1_CAD.pdf
- Size:
- 2.25 Inch Width x 2.95 Inch Depth x 4.05 Inch Height
- Catalog:
- SchneiderElectric-SquareD_32357_7_19_7_21_CAT.pdf
- Data Sheet:
- SchneiderElectric_21701_1_2_DATA.pdf
- Interrupting Rating:
- 10 kA
- Wire Size:
- 14 to 2 AWG (Copper/Aluminum)
- Short Description:
- 120/240 VAC 50/60 Hz, 60 VDC, 70 A, 10 kA Interrupt, 3-Pole, 14 to 2 AWG Copper/Aluminum, Unit Mount, Slotted Box Lug Line/Load Terminal, Standard, Miniature Circuit Breaker
- Mounting:
- DIN Rail/Unit/Surface/Flush
- Approval:
- UL, CSA
- Country of Origin:
- Mexico
MSRP $534.99Surplus $237.00 -
THQB32070 Miniature Circuit Breakers (MCBs) 3P 70A 120V
MSRP $694.26Surplus $123.88SKU: C15-3998 Brand: GENERAL ELECTRIC MPN: THQB32070 UPC: 78316401245 Shipping Weight: 1.05 lbs. Shipping Height: 4.00 In. Shipping Length: 4.00 In. Shipping Width: 3...- SKU:
- C15-3998
- Type:
- Thermal Magnetic
- Type:
- Compact
- Amps:
- 32 A
- Terminal Type:
- Bolt-On
- Short Description:
- 240 VAC, 70 A, 10 kA, 3-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
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00015_6_8_6_35_CAT.pdf
- Installation/Operator:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00005_INST.pdf
- Current Rating:
- 70 A
- Mounting:
- Bolt-On
- Number of Poles:
- 3
- Series:
- THQ
- Country of Origin:
- United States
MSRP $694.26Surplus $123.88 -
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Westinghouse HMCP070M2CS05 Molded Case Breakers (MCCBs) HMCP 3P 70A 480V 50/60Hz 3Ph
MSRP $816.78Surplus $42.50Westinghouse HMCP070M2CS05 Molded Case Breakers (MCCBs) HMCP 3P 70A 480V 50/60Hz 3Ph​ ARCA SKU: C15-4682 Brand: Westinghouse MPN: HMCP070M2CS05 UPC: Shipping Weight: 4.15 lbs. Shipping...- SKU:
- C15-4682
- Frame Type:
- J-K
- Voltage Rating:
- 480 V
- Current Rating:
- 70 A
- Number of Poles:
- 3
- Short Description:
- Eaton molded case circuit breaker accessory motor protection, Motor circuit protector, 70 A, Three-pole, Frame J-K, 210-700 A, Series C, Non-aluminum
- Series:
- C
MSRP $816.78Surplus $42.50
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