
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 HKD3400K Molded Case Breakers (MCCBs) HKD 3P 400A 600V 50/60Hz 3Ph K Frame EA
MSRP $9,671.00Surplus $2,820.01SKU: 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
MSRP $9,671.00Surplus $2,820.01 -
Contact Us For Quote
Eaton HKD3400T52WPN Molded Case Breakers (MCCBs) HKD 3P 400A 600V 50/60Hz 3Ph K Frame
MSRP $13,250.00Surplus $3,671.12SKU: C15-1846 Brand: Eaton MPN: HKD3400T52WPN UPC: 782113529301 Shipping Weight: 17.00 lbs. Shipping Height: 7.70 In. Shipping Length: 13.30 In. Shipping Width: 10.90...- SKU:
- C15-1846
- Series:
- C
- Volts:
- 600 V
- Amps:
- 400 A
- Poles:
- 3
- Frequency Rating:
- 50/60 Hz
- Frame:
- K
- Short Description:
- HKD 400A BRK W OPTIM 550 LSI/POWERNET_ W/O LUGS
MSRP $13,250.00Surplus $3,671.12 -
Eaton HKD3400T56W Molded Case Breakers (MCCBs) HKD 3P 400A 600V 50/60Hz 3Ph K Frame EA
MSRP $17,666.41Surplus $6,704.44SKU: C15-3672 Brand: Eaton MPN: HKD3400T56W UPC: 782114404218 Shipping Weight: 12.05 lbs. Shipping Height: 6.00 In. Shipping Length: 11.00 In. Shipping Width: 6.00 In...- SKU:
- C15-3672
- Series:
- C
- Volts:
- 600 V
- Amps:
- 400 A
- Poles:
- 3
- Frequency Rating:
- 50/60 Hz
- Frame:
- K
- Short Description:
- HKD OPTIM 550 LSIG 400A BRK W/O TERMINAL
- TS PIK:
- 115793627
- Country of Origin:
- United States
MSRP $17,666.41Surplus $6,704.44 -
Contact Us For Quote
Eaton HKD3400T56WZG Molded Case Breakers (MCCBs) HKD 3P 400A 600V 50/60Hz 3Ph K Frame
MSRP $18,809.00Surplus $5,248.11SKU: C15-3730 Brand: Eaton MPN: HKD3400T56WZG UPC: 782113529424 Shipping Weight: 11.20 lbs. Shipping Height: 6.00 In. Shipping Length: 11.00 In. Shipping Width: 6.00...- SKU:
- C15-3730
- Series:
- C
- Volts:
- 600 V
- Amps:
- 400 A
- Poles:
- 3
- Frequency Rating:
- 50/60 Hz
- Frame:
- K
- Short Description:
- HKD OPTIM CIRCUIT BREAKER (550 KITS)
MSRP $18,809.00Surplus $5,248.11 -
Eaton HKD3400W Molded Case Breakers (MCCBs)
MSRP $13,517.62Surplus $2,373.80SKU: C15-11574 Brand: Eaton MPN: HKD3400W UPC: Shipping Weight: 11.90 lbs. Shipping Height: 7.00 In. Shipping Length: 12.00 In. Shipping Width: 7.00 In. Product...- SKU:
- C15-11574
MSRP $13,517.62Surplus $2,373.80 -
Eaton HKD3400W Molded Case Breakers (MCCBs) 3P 400A
MSRP $11,000.00Surplus $1,718.41SKU: 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 $11,000.00Surplus $1,718.41 -
Contact Us For Quote
Eaton HKD3400X15 Molded Case Breakers (MCCBs) HKD 3P 400A 600V 50/60Hz 3Ph K Frame
MSRP $9,265.00Surplus $3,956.07SKU: C15-2783 Brand: Eaton MPN: HKD3400X15 UPC: 782114885307 Shipping Weight: 11.80 lbs. Shipping Height: 6.25 In. Shipping Length: 12.25 In. Shipping Width: 7.00 In...- SKU:
- C15-2783
- Series:
- C
- Volts:
- 600 V
- Amps:
- 400 A
- Poles:
- 3
- Frequency Rating:
- 50/60 Hz
- Frame:
- K
- Short Description:
- EATON SERIES C COMPLETE MOLDED CASE CIRCUIT BREAKER, K-FRAME, HKD, COMPLETE BREA
MSRP $9,265.00Surplus $3,956.07 -
Contact Us For Quote
Eaton HKDB3250FT36B22 Molded Case Breakers (MCCBs)
MSRP $13,931.00Surplus $3,593.54SKU: C15-11739 Brand: Eaton MPN: HKDB3250FT36B22 UPC: Shipping Weight: 11.60 lbs. Shipping Height: 6.00 In. Shipping Length: 11.00 In. Shipping Width: 6.00 In...- SKU:
- C15-11739
- TS PIK:
- 125588519
MSRP $13,931.00Surplus $3,593.54 -
Contact Us For Quote
Eaton HKDB3400FT32W Molded Case Breakers (MCCBs) HKDB 3P 400A 600V 50/60Hz 3Ph K Frame
MSRP $10,645.00Surplus $4,008.75SKU: C15-1852 Brand: Eaton MPN: HKDB3400FT32W UPC: 782113713076 Shipping Weight: 11.50 lbs. Shipping Height: 12.25 In. Shipping Length: 6.75 In. Shipping Width: 6.50...- SKU:
- C15-1852
- Series:
- C
- Volts:
- 600 V
- Amps:
- 400 A
- Poles:
- 3
- Frequency Rating:
- 50/60 Hz
- Frame:
- K
- Short Description:
- EATON SERIES C ELECTRONIC MOLDED CASE CIRCUIT BREAKER, K-FRAME, HKDB, DIGITRIP 3
MSRP $10,645.00Surplus $4,008.75 -
Contact Us For Quote
Eaton HKDB3400FT36B22 Molded Case Breakers (MCCBs) HKDB 3P 400A 600V 50/60Hz 3Ph K Frame
MSRP $9,000.00Surplus $4,648.72SKU: C15-4714 Brand: Eaton MPN: HKDB3400FT36B22 UPC: Shipping Weight: 13.15 lbs. Shipping Height: 5.00 In. Shipping Length: 12.00 In. Shipping Width: 6.00 In...- SKU:
- C15-4714
- Frame Type:
- K
- Voltage Rating:
- 600 V
- Current Rating:
- 400 A
- Number of Poles:
- 3
- Interrupting Rating:
- 100 kA at 240 Vac, 65 kA at 480 Vac
- Short Description:
- Eaton Series C electronic molded case circuit breaker, K-frame, HKDB, Digitrip 310 RMS, Electronic LSIG trip, Three-pole, 400A, 600 Vac, 250 Vdc, 100 kA at 240 Vac, 65 kA at 480 Vac, Without terminals, Reverse feed, 50/60 Hz
MSRP $9,000.00Surplus $4,648.72 -
Eaton HKDDC3225WF01 Molded Case Breakers (MCCBs) HKDDC 3P 225A 600V 50/60Hz 3Ph K Frame
MSRP $9,495.00Surplus $2,046.66SKU: C15-2406 Brand: Eaton MPN: HKDDC3225WF01 UPC: 786685584089 Shipping Weight: 8.00 lbs. Shipping Height: 6.50 In. Shipping Length: 12.50 In. Shipping Width: 7.00...- SKU:
- C15-2406
- Series:
- C
- Volts:
- 600 V
- Amps:
- 225 A
- Poles:
- 3
- Frequency Rating:
- 50/60 Hz
- Frame:
- K
- Short Description:
- Series C DC/PvGard complete molded case circuit breaker, K-frame, HKD, Complete breaker, Interchangeable thermal-magnetic trip type, Three-pole, 225A, 600 Vac, 250 Vdc, 42 kAIC at 600 Vac, Without terminals, Vdc, Freeze tested
- Current Rating:
- 225 A
- Country of Origin:
- Dominican Republic
MSRP $9,495.00Surplus $2,046.66 -
Eaton HKDDC3250 Molded Case Breakers (MCCBs) HKD 3P 250A 120V 50/60Hz 3Ph
MSRP $8,575.00Surplus $2,014.41SKU: C15-1849 Brand: Eaton MPN: HKDDC3250 UPC: 786679071373 Shipping Weight: 8.00 lbs. Shipping Height: 5.00 In. Shipping Length: 5.00 In. Shipping Width: 5.00 In...- SKU:
- C15-1849
- Series:
- C
- Volts:
- 120 V
- Amps:
- 250 A
- Poles:
- 3
- Frequency Rating:
- 50/60 Hz
- Short Description:
- EATON SERIES C DC/PVGARD COMPLETE MOLDED CASE CIRCUIT BREAKER, K-FRAME, HKD, COM
- Country of Origin:
- Dominican Republic
MSRP $8,575.00Surplus $2,014.41 -
Eaton HKDDC3250WF01 Molded Case Breakers (MCCBs) HKDDC 3P 250A 600V 50/60Hz 3Ph K Frame
MSRP $9,495.00Surplus $2,115.55SKU: C15-1911 Brand: Eaton MPN: HKDDC3250WF01 UPC: 786685584096 Shipping Weight: 8.00 lbs. Shipping Height: 6.50 In. Shipping Length: 12.50 In. Shipping Width: 7.00...- SKU:
- C15-1911
- Series:
- C
- Volts:
- 600 V
- Amps:
- 250 A
- Poles:
- 3
- Frequency Rating:
- 50/60 Hz
- Frame:
- K
- Short Description:
- Series C DC/PvGard complete molded case circuit breaker, K-frame, HKD, Complete breaker, Interchangeable thermal-magnetic trip type, Three-pole, 250A, 600 Vac, 250 Vdc, 42 kAIC at 600 Vac, Without terminals, Vdc, Freeze tested
- Frame Type:
- K
- Voltage Rating:
- 600 VAC
- Interrupting Rating:
- 42 kA
- Current Rating:
- 250 A
- Number of Poles:
- 3
- Country of Origin:
- Dominican Republic
MSRP $9,495.00Surplus $2,115.55 -
Eaton HKDDC3300A1301T1001Z01 Molded Case Breakers (MCCBs)
MSRP $6,000.00Surplus $861.51SKU: C15-1837 Brand: Eaton MPN: HKDDC3300A1301T1001Z01 UPC: Shipping Weight: 11.25 lbs. Shipping Height: 4.00 In. Shipping Length: 10.00 In. Shipping Width: 8.00 In...- SKU:
- C15-1837
MSRP $6,000.00Surplus $861.51 -
Eaton HKDDC3300WA07S49 Molded Case Breakers (MCCBs)
MSRP $6,000.00Surplus $1,016.58SKU: C15-1893 Brand: Eaton MPN: HKDDC3300WA07S49 UPC: Shipping Weight: 10.95 lbs. Shipping Height: 6.00 In. Shipping Length: 12.00 In. Shipping Width: 6.00 In...- SKU:
- C15-1893
MSRP $6,000.00Surplus $1,016.58 -
Contact Us For Quote
Eaton HKDDC3350WF01 Molded Case Breakers (MCCBs) HKDDC 3P 350A 600V 50/60Hz 3Ph K Frame EA
MSRP $10,929.30Surplus $3,102.12SKU: C15-5081 Brand: Eaton MPN: HKDDC3350WF01 UPC: 78668558411 Shipping Weight: 11.15 lbs. Shipping Height: 7.00 In. Shipping Length: 13.00 In. Shipping Width: 7.00...- SKU:
- C15-5081
- Series:
- C
- Volts:
- 600 V
- Amps:
- 350 A
- Poles:
- 3
- Frequency Rating:
- 50/60 Hz
- Frame:
- K
- Short Description:
- EATON SERIES C DC/PVGARD COMPLETE MOLDED CASE CIRCUIT BREAKER, K-FRAME, HKD, COM
MSRP $10,929.30Surplus $3,102.12 -
Eaton HKDDC3400 Molded Case Breakers (MCCBs) HKDDC 3P 400A 600V 50/60Hz 3Ph K Frame
MSRP $8,575.00Surplus $1,740.95SKU: C15-1839 Brand: Eaton MPN: HKDDC3400 UPC: 782114206720 Shipping Weight: 3.00 lbs. Shipping Height: 5.00 In. Shipping Length: 5.00 In. Shipping Width: 5.00 In...- SKU:
- C15-1839
- Series:
- C
- Volts:
- 600 V
- Amps:
- 400 A
- Poles:
- 3
- Frequency Rating:
- 50/60 Hz
- Frame:
- K
- Short Description:
- EATON SERIES C DC/PVGARD COMPLETE MOLDED CASE CIRCUIT BREAKER, K-FRAME, HKD, COM
- Country of Origin:
- Dominican Republic
MSRP $8,575.00Surplus $1,740.95 -
Contact Us For Quote
Eaton HKDDC3400A1301T1001Z01 Molded Case Breakers (MCCBs) HKDDC 3P 400A 600V 50/60Hz 3Ph K Frame
MSRP $250.00Surplus $90.00Eaton HKDDC3400A1301T1001Z01 Molded Case Breakers (MCCBs) HKDDC 3P 400A 600V 50/60Hz 3Ph K Frame​ ARCA SKU: C15-4664 Brand: Eaton MPN: HKDDC3400A1301T1001Z01 UPC: Shipping Weight: 12.15 Shipping...- SKU:
- C15-4664
- Frame Type:
- K
- Voltage Rating:
- 600 V
- Current Rating:
- 400 A
- Number of Poles:
- 3
- Short Description:
- Westinghouse,Cutler Hammer,Eaton, Series C, type HKDDC, 3P, 3PH, 400A, 600V, DC rated, 42kA@600V, high interrupting capacity, Feed-Thru, with UVH3LP23K 48-60Vdc UVR and A2X3PK 1A/1B auxiliary switch, Thermal Magnetic, molded case circuit breakers
MSRP $250.00Surplus $90.00 -
Eaton HKDDC3400W Molded Case Breakers (MCCBs) HKDDC 3P 400A 600V 50/60Hz 3Ph K Frame
MSRP $9,078.79Surplus $1,531.69SKU: C15-2413 Brand: Eaton MPN: HKDDC3400W UPC: 786685493640 Shipping Weight: 10.50 lbs. Shipping Height: 6.00 In. Shipping Length: 11.00 In. Shipping Width: 6.00 In...- SKU:
- C15-2413
- Series:
- C
- Volts:
- 600 V
- Amps:
- 400 A
- Poles:
- 3
- Frequency Rating:
- 50/60 Hz
- Frame:
- K
- Short Description:
- Series C DC/PvGard complete molded case circuit breaker, K-frame, HKD, Complete breaker, Interchangeable thermal-magnetic trip type, Three-pole, 400A, 600 Vac, 250 Vdc, 42 kAIC at 600 Vac, Line and load, Vdc
- Number of Poles:
- 3
- Current Rating:
- 400 A
- Country of Origin:
- Dominican Republic
MSRP $9,078.79Surplus $1,531.69 -
Contact Us For Quote
Eaton HKDDC3400WF01 Molded Case Breakers (MCCBs) HFD 3P 400A 600V 50/60Hz 3Ph K Frame
MSRP $9,495.00Surplus $3,548.12SKU: C15-2407 Brand: Eaton MPN: HKDDC3400WF01 UPC: 786685584126 Shipping Weight: 6.50 lbs. Shipping Height: 6.50 In. Shipping Length: 12.00 In. Shipping Width: 7.00...- SKU:
- C15-2407
- Series:
- C
- Volts:
- 600 V
- Amps:
- 400 A
- Poles:
- 3
- Frequency Rating:
- 50/60 Hz
- Frame:
- K
- Short Description:
- Series C DC/PvGard complete molded case circuit breaker, K-frame, HKD, Complete breaker, Interchangeable thermal-magnetic trip type, Three-pole, 400A, 600 Vac, 250 Vdc, 42 kAIC at 600 Vac, Without terminals, Vdc, Freeze tested
- Number of Poles:
- 3
- Current Rating:
- 400 A
MSRP $9,495.00Surplus $3,548.12
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.