
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
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Eaton CND3800T106W Molded Case Breakers (MCCBs) CND 3P 800A 600V 50/60Hz 3Ph N Frame
MSRP $30,705.00Surplus $5,249.69SKU: C15-1970 Brand: Eaton MPN: CND3800T106W UPC: 786679050354 Shipping Weight: 48.00 lbs. Shipping Height: 9.63 In. Shipping Length: 21.62 In. Shipping Width: 11.12...- SKU:
- C15-1970
- Series:
- C
- Volts:
- 600 V
- Amps:
- 800 A
- Poles:
- 3
- Frequency Rating:
- 50/60 Hz
- Frame:
- N
- Short Description:
- Series C electronic molded case circuit breaker, NG-frame, CND, Complete breaker, OPTIM 1050, Electronic LSIG trip, Three-pole, 800A, 600 Vac, 85 kAIC at 240 Vac, 50 kAIC at 480 Vac, Without terminals, 50/60 Hz, 100% rated
- Frame Type:
- NG
- Voltage Rating:
- 600 VAC
- Interrupting Rating:
- 85 kA
- Number of Poles:
- 3
- Current Rating:
- 800 A
- Country of Origin:
- United States
MSRP $30,705.00Surplus $5,249.69 -
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Eaton CNDC3800T35W Molded Case Breakers (MCCBs) CND 3P 800A 600V 50/60Hz 3Ph N Frame
MSRP $61,000.00Surplus $14,110.82SKU: C15-2623 Brand: Eaton MPN: CNDC3800T35W UPC: 786679166284 Shipping Weight: 51.40 lbs. Shipping Height: 12.00 In. Shipping Length: 22.00 In. Shipping Width: 11.00...- SKU:
- C15-2623
- Series:
- C
- Volts:
- 600 V
- Amps:
- 800 A
- Poles:
- 3
- Frequency Rating:
- 50/60 Hz
- Frame:
- N
- Short Description:
- Series C electronic molded case circuit breaker, NG-frame, CNDC, Complete breaker, Digitrip 310 RMS, Electronic LSG trip type, Three-pole, 800A, 600 Vac, Without terminals, 100% rated
- Frame Type:
- NG
- Current Rating:
- 800 A
- Voltage Rating:
- 600 VAC
- Number of Poles:
- 3
MSRP $61,000.00Surplus $14,110.82 -
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Eaton HMDL3800F Molded Case Breakers (MCCBs) HMDL 3P 800A 600V 50/60Hz 3Ph M Frame
MSRP $14,827.00Surplus $3,171.70SKU: C15-1820 Brand: Eaton MPN: HMDL3800F UPC: 782114350584 Shipping Weight: 20.95 lbs. Shipping Height: 7.00 In. Shipping Length: 16.00 In. Shipping Width: 9.00 In...- SKU:
- C15-1820
- Series:
- C, HMDL
- Type:
- Polarized
- Approval:
- UL 489
- Approval:
- CSA C22.2
- Size:
- 8.25 Inch Width x 4.06 Inch Depth x 16 Inch Height
- Volts:
- 600 VAC at 50/60 Hertz
- Amps:
- 32 A
- Poles:
- 3
- Interrupting Rating:
- 42 kA at 125/250 VDC
- Interrupting Rating:
- 35 Kiloamp at 600 Volt DC
- Terminal Type:
- Not Included
- Maximum AC Voltage Rating:
- 600 VAC
- Accessory Type:
- Breaker Frame
- Short Description:
- 600 VAC 50/60 Hz, 800 A, 42 kA, 3-Pole, Thermal Magnetic, Electronic RMS 310 Trip, HMDL
- Catalog:
- Eaton_27487_V4T2_349_V4T2_350_V4T2_353_CAT.pdf
- Installation/Operator:
- Hubbell-WiringDevicekellems_00032_INST.pdf
- CAD Drawing:
- Hubbell-WiringDeviceKellems_11845_1_CAD.pdf
- Manufacturer Warranty:
- Hubbell-WiringDeviceKellems_00001_WARR.pdf
- Current Rating:
- 800 A
- Number of Poles:
- 3
- Voltage Rating:
- 600 VAC
- Frame Type:
- MDL
MSRP $14,827.00Surplus $3,171.70 -
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Eaton HND3800T32W Molded Case Breakers (MCCBs) HND 3P 800A 600V 50/60Hz 3Ph N Frame
MSRP $39,855.00Surplus $12,320.00SKU: C15-2283 Brand: Eaton MPN: HND3800T32W UPC: 786679264027 Shipping Weight: 48.20 lbs. Shipping Height: 10.80 In. Shipping Length: 18.50 In. Shipping Width: 11.70...- SKU:
- C15-2283
- Series:
- C
- Approval:
- UL
- Approval:
- CSA
- Size:
- 8.25 Inch Width x 5.5 Inch Depth x 16 Inch Height
- Volts:
- 600 VAC at 50/60 Hertz
- Amps:
- 32 A
- Poles:
- 3
- Interrupting Rating:
- 100 kA at 240 VAC
- Interrupting Rating:
- 65 kA at 480 Volt AC
- Interrupting Rating:
- 35 kA at 600 Volt AC (UL 489)
- Terminal Type:
- Not Included
- Frame Type:
- HND
- Maximum AC Voltage Rating (V):
- 600
- Short Description:
- 600 VAC 50/60 Hz, 800 A, 100 kA, 3-Pole, HND Frame, DigiTrip OPTIM 310 LSI Electronic Trip, Non-Interchangeable Trip
- Catalog:
- Eaton_46579_V4T2_254_V4T2_255_V4T2_360-V4T2_374_CAT.pdf
- Installation/Operator:
- Eaton_00081_INST.pdf
- Voltage Rating:
- 600 VAC
- Current Rating:
- 800 A
- Number of Poles:
- 3
MSRP $39,855.00Surplus $12,320.00 -
Eaton LW3800VW Molded Case Breakers (MCCBs) LW 3P 800A 690V 50/60Hz 3Ph L Frame
MSRP $16,368.70Surplus $2,257.51SKU: C15-1916 Brand: Eaton MPN: LW3800VW UPC: Shipping Weight: 25.55 lbs. Shipping Height: 9.00 In. Shipping Length: 19.00 In. Shipping Width: 11.00 In. Product...- SKU:
- C15-1916
- Frame Type:
- L
- Voltage Rating:
- 600 VAC
- Current Rating:
- 800 A
- Number of Poles:
- 3
- Interrupting Rating:
- 45 kA at 415 Vac
- Short Description:
- Eaton Series C complete molded case circuit breaker, L-frame, LW, Complete breaker, Interchangeable thermal-magnetic trip type, Three-pole, 800A, 690 Vac, 250 Vdc, 45 kA at 415 Vac, Without terminals, World
- Series:
- C
- Country of Origin:
- Dominican Republic
MSRP $16,368.70Surplus $2,257.51 -
Eaton MDL3800 Molded Case Breakers (MCCBs) MDL 3P 800A 240V 50/60Hz 3Ph M Frame EA
MSRP $13,140.22Surplus $3,505.61SKU: C15-1819 Brand: Eaton MPN: MDL3800 UPC: 782114586006 Shipping Weight: 30.00 lbs. Shipping Height: 8.00 In. Shipping Length: 18.00 In. Shipping Width: 11.00 In...- SKU:
- C15-1819
- Frame Type:
- MDL
- Voltage Rating:
- 600 VAC
- Current Rating:
- 800 A
- Number of Poles:
- 3
- Interrupting Rating:
- 50 kA at 480 VAC
- Type:
- Line and Load Terminal
- Maximum AC Voltage Rating:
- 600 VAC
- Terminal Type:
- Line and Load Terminal
- Size:
- 8.25 Inch Width x 4.06 Inch Depth x 16 Inch Height
- Short Description:
- 600 VAC 50/60 Hz, 800 A, 50 kA, 3-Pole, MDL Frame, Thermal Magnetic, Molded Case, Interchangeable Trip Circuit Breaker
- Catalog:
- Eaton_27487_V4T2_254_V4T2_255_V4T2_349-V4T2_351_CAT.pdf
- Installation/Operator:
- Eaton_00237_INST.pdf
- Specification/Technical:
- Eaton_39889_1_2_SPEC.pdf
- Series:
- C
- Maximum DC Voltage Rating:
- 250 V
- Approval:
- UL 489, CSA C22.2,CE
- Country of Origin:
- United States
MSRP $13,140.22Surplus $3,505.61 -
Siemens MD63F800 Molded Case Breakers (MCCBs) MD 3P 800A 600V 50/60Hz 3Ph
MSRP $6,952.00Surplus $3,766.14SKU: C15-1443 Brand: Siemens MPN: MD63F800 UPC: 783643214507 Shipping Weight: 48.50 lbs. Shipping Height: 10.00 In. Shipping Length: 19.00 In. Shipping Width: 12.00...- SKU:
- C15-1443
- Type:
- MD Frame
- Size:
- 16 Inch L x 9 Inch W x 6 Inch D
- Volts:
- 600 VAC/500 VDC
- Amps:
- 32 A
- Poles:
- 3
- Interrupting Rating:
- 65 kA at 240 VAC
- Interrupting Rating:
- 50 kA at 480 VAC
- Interrupting Rating:
- 25 kA at 600 VAC/500 VDC (UL)
- Interrupting Rating:
- 65 kA at 220/240 VAC
- Interrupting Rating:
- 40 kA at 380/415 VAC (IEC)
- Terminal Type:
- Line Lug
- Terminal Type:
- Load Lug
- Maximum AC Voltage Rating:
- 600 V
- Maximum DC Voltage Rating:
- 500 V
- Short Description:
- 600 VAC, 500 VDC, 500 to 800 A, 25 kA, 3-Pole, Molded Case, Thermal Magnetic, MD Frame
- Catalog:
- SiemensAG_00564_7_3-7_5_7_129_CAT.pdf
- Number of Poles:
- 3
- Current Rating:
- 800 A
- Voltage Rating:
- 600 VAC
- Frame Type:
- MD
- Country of Origin:
- Mexico
MSRP $6,952.00Surplus $3,766.14 -
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Square D MA36800 Miniature Circuit Breakers (MCBs)
MSRP $3,878.35Surplus $1,396.21SKU: C15-7728 Brand: Square D MPN: MA36800 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- C15-7728
- Series:
- 670, MA
- Type:
- Molded Case, Thermal Magnetic, Main
- Short Description:
- 600 VAC, 800 A, 22 kA, 3-Pole, M-Frame, I-Line Mount, Thermal Magnetic, Molded Case Circuit Breaker
- Approval:
- UL, CSA, IEC
- Voltage Rating:
- 600 VAC
- Current Rating:
- 800 A
- Installation/Operator:
- SchneiderElectric-SquareD_00439_INST.pdf
- Number of Poles:
- 3
- Used On:
- I-Line Panelboard and Switchboard
- Installation:
- Plug-On
- Catalog:
- SchneiderElectric-SquareD_00096_79_CAT.pdf
- Trip Setting:
- 4000 to 8000 A
- Interrupting Rating:
- 42 kA at 240 VAC, 30 kA at 480 VAC, 22 kA at 600 VAC
MSRP $3,878.35Surplus $1,396.21 -
Square D MGL36800 Molded Case Breakers (MCCBs)
MSRP $10,722.00Surplus $7,130.13SKU: U00-8357 Brand: Square D MPN: MGL36800 UPC: 78590157580 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- U00-8357
- Short Description:
- 600 VAC 50/60 Hz, 800 A, 18 kA Interrupt, 3-Pole, M-Frame, Line/Load Lug Terminal, Unit Mount, Electronic Trip, Molded Case Circuit Breaker
- Prop 65 Warning:
- Yes
- Current Rating:
- 800 A
- Frame Type:
- M
- Series:
- 612, MGL
- Voltage Rating:
- 600 VAC
- Terminal Type:
- Lug
- CAD Drawings:
- SchneiderElectric-SquareD_17793_1_CAD.pdf
- Data Sheet:
- SchneiderElectric-SquareD_14190_1-3_DATA.pdf
- Approval:
- UL, CSA, IEC
- Catalog:
- SchneiderElectric-SquareD_03280_7_40_CAT.pdf
- Installation/Operator:
- SchneiderElectric-SquareD_00524_INST.pdf
- Size:
- 8.27 Inch Width x 8.05 Inch Depth x 12.86 Inch Height
- Number of Poles:
- 3
- Type:
- Electronic
- Interrupting Rating:
- 65 kA at 240 V, 35 kA at 480 V, 18 kA at 600 V
- Country of Origin:
- Mexico
MSRP $10,722.00Surplus $7,130.13 -
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Square D MHL36800 Molded Case Breakers (MCCBs)
MSRP $9,381.00Surplus $2,532.87SKU: C15-16919 Brand: Square D MPN: MHL36800 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- C15-16919
- Approval:
- UL
- Series:
- 601, MHL
- Current Rating:
- 800 A
- Terminal Type:
- Lug
- Short Description:
- 600 VAC, 250 VDC, 800 A, 25 kA, 3-Pole, M-Frame, Individually Mount, Thermal Magnetic, Molded Case Circuit Breaker
- Maximum AC Voltage Rating (V):
- 600
- Frame Type:
- MHL
- Installation/Operator:
- SchneiderElectric-SquareD_00439_INST.pdf
- Number of Poles:
- 3
- Size:
- 8.96 Inch Width x 6.55 Inch Depth x 14 Inch Height
- Interrupting Rating:
- 65 kA at 120/240/277/480 VAC, 25 kA at 600 VAC, 65/33 kA at 240/415 VAC (IEC 60947-2)
- Voltage Rating:
- 600 VAC
- Type:
- Thermal Magnetic, Molded Case
- Data Sheet:
- SchneiderElectric-SquareD_04921_1_DATA.pdf
- Prop 65 Warning:
- Yes
- Catalog:
- SchneiderElectric-SquareD_00935_11_32_CAT.pdf
MSRP $9,381.00Surplus $2,532.87 -
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Square D PGL36080CU31A Molded Case Breakers (MCCBs)
MSRP $20,892.00Surplus $5,640.84SKU: C15-17446 Brand: Square D MPN: PGL36080CU31A UPC: 78590153656 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00...- SKU:
- C15-17446
- Prop 65 Warning:
- Yes
- Short Description:
- 600 VAC, 800A, 18 kA Interrupt, 3-Pole, Line/Load Lug Terminal, Unit Mount, P-Frame, LI Function, Standard, Electronic, Molded Case Circuit Breaker
- Frame Type:
- P
- Current Rating:
- 800 A
- Terminal Type:
- Load/Line Lug
- Type:
- Molded Case
- Maximum AC Voltage Rating:
- 600 V
- Size:
- 8.27 Inch Width x 8.05 Inch Depth x 12.86 Inch Height
- Approval:
- UL, CSA
- CAD Drawings:
- SchneiderElectric-SquareD_17823_1_CAD.pdf
- Number of Poles:
- 3
- Voltage Rating:
- 600 VAC
- Catalog:
- SchneiderElectric-SquareD_00098_72_74_76_CAT.pdf
- Interrupting Rating:
- 65 kA at 240 VAC, 35 kA at 480 VAC, 18 kA at 600 VAC
- Data Sheet:
- SchneiderElectric-SquareD_14527_1_2_DATA.pdf
MSRP $20,892.00Surplus $5,640.84 -
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Square D PGL36080U33A Molded Case Breakers (MCCBs)
MSRP $11,076.45Surplus $2,990.64SKU: C15-17450 Brand: Square D MPN: PGL36080U33A UPC: 78590165794 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00...- SKU:
- C15-17450
- Short Description:
- 600 V, 800 A, 3-Pole, P-Frame, Lug Load/Line, Molded Case Circuit Breaker
- Number of Poles:
- 3
- Interrupting Rating:
- 65 kA at 240 VAC, 35 kA at 480 VAC, 18 kA at 600 VAC
- Prop 65 Warning:
- Yes
- Size:
- 8.27 Inch Width x 8.05 Inch Depth x 12.86 Height
- Terminal Type:
- Load/Line Lug
- Current Rating:
- 800 A
- Type:
- Molded Case
- Approval:
- UL, CSA
- Voltage Rating:
- 600 VAC
- Maximum AC Voltage Rating:
- 600 V
- CAD Drawings:
- SchneiderElectric-SquareD_05472_1_CAD.pdf
- Frame Type:
- P
- Catalog:
- SchneiderElectric-SquareD_00098_72_73_CAT.pdf
- Data Sheet:
- SchneiderElectric-SquareD_04998_1_2_DATA.pdf
MSRP $11,076.45Surplus $2,990.64
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