
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.
-
Din Rail Mounted Circuit Breakers
-
Main Breakers
-
Miniature Circuit Breakers (MCBs)
-
Molded Case Breakers (MCCBs)
-
Motor Circuit Protector (MCPs)
-
Lug Terminal Kits
-
Auxiliary, Shunt, Trip Units and UVRs
-
Circuit Breaker Accessories
- Product
- Qty in Cart
- Price
-
Eaton KDC3400 Molded Case Breakers (MCCBs) KDC 3P 400A 120V 50/60Hz 3Ph K Frame EA
MSRP $18,685.83Surplus $1,414.95SKU: C15-1845 Brand: Eaton MPN: KDC3400 UPC: 786679341704 Shipping Weight: 13.34 lbs. Shipping Height: 6.00 In. Shipping Length: 14.25 In. Shipping Width: 7.00 In...- SKU:
- C15-1845
- Approval:
- UL 489
- Approval:
- CSA C22.2
- Amps:
- 400 A
- Frame:
- KD
- Interrupting Rating:
- 100 kA at 480 VAC
- Interrupting Rating:
- 65 Amp at 600 Volt AC
- Interrupting Rating:
- 22 Kiloamp at 250 Volt DC (NEMA/UL/CSA)
- Interrupting Rating:
- 100 Volt AC at 380/415 Volt AC
- Interrupting Rating:
- 22 Kiloamp at 250 Volt DC (IEC)
- Maximum AC Voltage:
- 600 V
- Maximum DC Voltage:
- 250 V
- Poles:
- 3
- Size:
- 5.5 Inch Width x 4.1 Inch Depth x 10.13 Inch Height
- Terminal Type:
- Aluminum Line and Load
- Type:
- Thermal Magnetic
- Type:
- Ultra High Interrupting Capacity
- Type:
- Molded Case
- Volts:
- 600 VAC 50/60 Hertz
- Volts:
- 250 VDC
- Short Description:
- 600 VAC 50/60 Hz, 250 VDC, 400 A, 35 kA Interrupt, 3-Pole, KD Frame, Line and Load Terminal, Thermal Magnetic, Molded Case, Interchangeable Trip Circuit Breaker
- TS PIK:
- 107001722
- Frame Type:
- KD
- Catalog:
- EatonCorp_00274_V4T2_259_V4T2_260_V4T2_304_V4T2_305_V4T2_307_CAT.pdf
- CAD Drawings:
- EatonCorp_00504_1_CAD.pdf
- Number of Poles:
- 3
- Maximum DC Voltage Rating:
- 250 V
- Installation/Operator:
- EatonCorp_00025_INST.pdf
- Current Rating:
- 400 A
- Voltage Rating:
- 600 VAC 50/60 Hertz, 250 VDC
- Maximum AC Voltage Rating:
- 600 V
- Country of Origin:
- Dominican Republic
MSRP $18,685.83Surplus $1,414.95 -
Eaton HKD3400K Molded Case Breakers (MCCBs) HKD 3P 400A 600V 50/60Hz 3Ph K Frame EA
MSRP $13,165.13Surplus $2,945.66SKU: C15-2980 Brand: Eaton MPN: HKD3400K UPC: 786679010822 Shipping Weight: 13.00 lbs. Shipping Height: 7.00 In. Shipping Length: 15.00 In. Shipping Width: 7.00 In...- SKU:
- C15-2980
- Approval:
- UL 489
- Approval:
- CSA C22.2
- Amps:
- 400 A
- Frame:
- KD
- Interrupting Rating:
- 65 kA at 480 VAC
- Interrupting Rating:
- 35 Kiloamp at 600 Volt AC
- Interrupting Rating:
- 22 Kiloamp at 250 Volt DC (NEMA/UL/CSA)
- Interrupting Rating:
- 65 Kiloamp at 380/415 Volt AC
- Interrupting Rating:
- 22 Kiloamp at 250 Volt DC (IEC)
- Maximum AC Voltage:
- 600 V
- Maximum DC Voltage:
- 250 V
- Poles:
- 3
- Size:
- 5.49 Inch Width x 4.06 Inch Depth x 10.13 Inch Height
- Terminal Type:
- Line and Load
- Type:
- Thermal Magnetic
- Type:
- High Interrupting Capacity
- Type:
- Molded Case
- Volts:
- 600 VAC 50/60 Hertz
- Volts:
- 250 VDC
- TS PIK:
- 110190360
- Installation/Operator:
- Eaton_00085_INST.pdf
- Voltage Rating:
- 600 VAC 50/60 Hertz, 250 VDC
- Short Description:
- EATON SERIES C MOLDED CASE SWITCH, K-FRAME, HKD, MOLDED CASE SWITCH, FIXED THERM
- Current Rating:
- 400 A
- Frame Type:
- KD
- CAD Drawings:
- Eaton_62668_1_CAD.pdf
- Number of Poles:
- 3
- Maximum DC Voltage Rating:
- 250 V
- Maximum AC Voltage Rating:
- 600 V
- Catalog:
- EatonCorp-CutlerHammer_00123_V4T2_254_V4T2_255_V4T2_258_V4T2_299-V4T2_322_CAT.pdf
- Series:
- C
- Country of Origin:
- United States
MSRP $13,165.13Surplus $2,945.66 -
Eaton HKD3400W Molded Case Breakers (MCCBs) 3P 400A
MSRP $14,974.30Surplus $3,052.25SKU: C15-4040 Brand: Eaton MPN: HKD3400W UPC: 78667934294 Shipping Weight: 10.95 lbs. Shipping Height: 6.00 In. Shipping Length: 12.00 In. Shipping Width: 7.00 In...- SKU:
- C15-4040
- Approval:
- UL 489
- Approval:
- CSA C22.2
- Amps:
- 400 A
- Frame:
- KD
- Interrupting Rating:
- 65 kA at 480 VAC
- Interrupting Rating:
- 35 Kiloamp at 600 Volt AC
- Interrupting Rating:
- 22 Kiloamp at 250 Volt DC (NEMA/UL/CSA)
- Interrupting Rating:
- 65 Kiloamp at 380/415 Volt AC
- Interrupting Rating:
- 22 Kiloamp at 250 Volt DC (IEC)
- Maximum AC Voltage:
- 600 V
- Maximum DC Voltage:
- 250 V
- Poles:
- 3
- Size:
- 5.49 Inch Width x 4.06 Inch Depth x 10.13 Inch Height
- Terminal Type:
- Line and Load
- Type:
- Thermal Magnetic
- Type:
- High Interrupting Capacity
- Type:
- Molded Case
- Volts:
- 600 VAC 50/60 Hertz
- Volts:
- 250 VDC
- TS PIK:
- 200192
- Number of Poles:
- 3
- Maximum AC Voltage Rating:
- 600 V
- Voltage Rating:
- 600 VAC 50/60 Hertz, 250 VDC
- CAD Drawings:
- Eaton_62668_1_CAD.pdf
- Installation/Operator:
- Eaton_00085_INST.pdf
- Catalog:
- EatonCorp-CutlerHammer_00123_V4T2_254_V4T2_255_V4T2_258_V4T2_299-V4T2_322_CAT.pdf
- Frame Type:
- KD
- Current Rating:
- 400 A
- Maximum DC Voltage Rating:
- 250 V
- Country of Origin:
- Dominican Republic
MSRP $14,974.30Surplus $3,052.25 -
Eaton KD3400V Molded Case Breakers (MCCBs)
MSRP $12,081.54Surplus $1,965.04SKU: C15-11897 Brand: Eaton MPN: KD3400V UPC: Shipping Weight: 12.90 lbs. Shipping Height: 6.00 In. Shipping Length: 15.00 In. Shipping Width: 7.00 In. Product...- SKU:
- C15-11897
- TS PIK:
- 115288616
- Type:
- Fixed Thermal Magnetic Trip
- Voltage Rating:
- 600 VAC 50/60 Hertz, 250 VDC
- Approval:
- UL
- Frame Type:
- K
- Short Description:
- 600 VAC 50/60 Hz, 250 VDC, 400 A, 35 kA, 3-Pole, Line/Load Terminal, KD Frame, Interchangeable Trip, Fixed Thermal, Molded Case Circuit Breaker with 50 Deg C Calibration
- Current Rating:
- 400 A
- Number of Poles:
- 3
- Maximum DC Voltage Rating:
- 250
- Maximum AC Voltage Rating:
- 600 V
- Catalog:
- Eaton_46579_V4T2_254_V4T2_255_V4T2_258_V4T2_300-V4T2_322_CAT.pdf
- Installation/Operator:
- Eaton_00085_INST.pdf
- Interrupting Rating:
- 65 kA at 240 VAC, 35 kA at 480 VAC
- Terminal Type:
- Line and Load
- CAD Drawings:
- Eaton_10161_1_CAD.pdf
- Size:
- 5.5 Inch Width x 4.1 Inch Depth x 5.5 Inch Height
MSRP $12,081.54Surplus $1,965.04 -
Contact Us For Quote
GENERAL ELECTRIC LAL364008041 Molded Case Breakers (MCCBs)
MSRP $11,318.53Surplus $808.75SKU: C15-8738 Brand: GENERAL ELECTRIC MPN: LAL364008041 UPC: 78590115364 Shipping Weight: 14.85 lbs. Shipping Height: 8.00 In. Shipping Length: 15.00 In. Shipping...- SKU:
- C15-8738
- TS PIK:
- 116559307
- Voltage Rating:
- 600 VAC 50/60 Hertz, 250 VDC
- Frame Type:
- L
- Short Description:
- 600 VAC 50/60 Hz, 250 VDC, 400 A, 22 kA, 3-Pole, L-Frame, Unit Mount, Line/Load Lug Terminal, Thermal Magnetic, Adjustable, Molded Case Circuit Breaker with Control Wire Terminal
- Interrupting Rating:
- 22 kA at 600 VAC, 10 kA at 250 VDC
- Catalog:
- SchneiderElectric-SquareD_32357_7_37_CAT.pdf
- Current Rating:
- 400 A
- Series:
- LA
- Number of Poles:
- 3
- Size:
- 6 Inch Width x 5.84 Inch Depth x 11 Inch Height
- Data Sheet:
- SchneiderElectric_14570_1_2_DATA.pdf
- Installation/Operator:
- SchneiderElectric-SquareD_01906_INST.pdf
- CAD Drawings:
- SchneiderElectric-SquareD_74682_1_CAD.pdf
- Terminal Type:
- Line/Load Lug
- Maximum DC Voltage Rating:
- 250 V
- Type:
- Thermal Magnetic, Adjustable
- Maximum AC Voltage Rating:
- 600 V
- Prop 65 Warning:
- Yes
- Country of Origin:
- Mexico
- Approval:
- UL, CSA
MSRP $11,318.53Surplus $808.75 -
Square D LAL36400 Molded Case Breakers (MCCBs)
MSRP $5,093.15Surplus $4,452.87SKU: C15-7720 Brand: Square D MPN: LAL36400 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- C15-7720
- TS PIK:
- 21332364
- Series:
- LA
- Voltage Rating:
- 600 VAC 50/60 Hertz, 250 VDC
- Frame Type:
- L
- Data Sheet:
- SchneiderElectric_14560_1_2_DATA.pdf
- Current Rating:
- 400 A
- CAD Drawings:
- SchneiderElectric-SquareD_74682_1_CAD.pdf
- Number of Poles:
- 3
- Maximum DC Voltage Rating:
- 250 V
- Installation/Operator:
- SchneiderElectric-SquareD_01906_INST.pdf
- Terminal Type:
- Line/Load Lug
- Maximum AC Voltage Rating:
- 600 V
- Size:
- 6 Inch Width x 5.84 Inch Depth x 11 Inch Height
- Short Description:
- 600 VAC 50/60 Hz, 250 VDC, 400 A, 22 kA, 3-Pole, L-Frame, Unit Mount, Line/Load Lug Terminal, Thermal Magnetic, Adjustable, Molded Case Circuit Breaker
- Catalog:
- SchneiderElectric-SquareD_32357_7_37_CAT.pdf
- Type:
- Thermal Magnetic, Adjustable
- Interrupting Rating:
- 22 kA at 600 VAC, 10 kA at 250 VDC
- Country of Origin:
- United States
- Approval:
- UL, CSA
MSRP $5,093.15Surplus $4,452.87
Disclaimer: ARCA Supply is not an authorized distributor, reseller or representative of any manufacturer, brand or product listed. All product names, trademarks, brands and logos are the property of their respective owners. The depiction, description or sale of products featuring these names, trademarks, brands and logos is for identification purposes only and is not intended to indicate any affiliation with or authorization by any rights holder. All items sold by ARCA Supply are covered under ARCA Supply's warranty and not the manufacturer warranty.