
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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Eaton HKW3315V Molded Case Breakers (MCCBs) HKW 3P 315A 600V 50/60Hz 3Ph K Frame EA
MSRP $11,995.13Surplus $3,084.30SKU: C15-2255 Brand: Eaton MPN: HKW3315V UPC: 782116941117 Shipping Weight: 11.84 lbs. Shipping Height: 6.50 In. Shipping Length: 12.00 In. Shipping Width: 7.00 In...- SKU:
- C15-2255
- Series:
- C
- Volts:
- 600 V
- Amps:
- 315 A
- Poles:
- 3
- Frequency Rating:
- 50/60 Hz
- Frame:
- K
- Short Description:
- EATON SERIES C COMPLETE MOLDED CASE CIRCUIT BREAKER, K-FRAME, HKW, COMPLETE BREA
- TS PIK:
- 121524874
- Country of Origin:
- Dominican Republic
MSRP $11,995.13Surplus $3,084.30 -
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Eaton HKW3400V Molded Case Breakers (MCCBs) HKW 3P 400A 690V 50/60Hz 3Ph K Frame
MSRP $10,230.00Surplus $4,133.81SKU: C15-1909 Brand: Eaton MPN: HKW3400V UPC: 782116941124 Shipping Weight: 11.84 lbs. Shipping Height: 6.50 In. Shipping Length: 12.00 In. Shipping Width: 7.00 In...- SKU:
- C15-1909
- Series:
- C
- Volts:
- 690 V
- Amps:
- 400 A
- Poles:
- 3
- Frequency Rating:
- 50/60 Hz
- Frame:
- K
- Short Description:
- Series C complete molded case circuit breaker, K-frame, HKW, Complete breaker, Adjustable thermal, adjustable magnetic trip type, Three-pole, 400A, 600 Vac, 250 Vdc, 70 kAIC at 415 Vac, Line and load, 50C
- Frame Type:
- K
- Voltage Rating:
- 600 VAC
- Interrupting Rating:
- 70 kA
- Current Rating:
- 400 A
- Number of Poles:
- 3
MSRP $10,230.00Surplus $4,133.81 -
Eaton HLA3070T Molded Case Breakers (MCCBs) 3P 70A 50/60Hz 3Ph EA
MSRP $6,833.13Surplus $1,837.50SKU: U00-3249 Brand: Eaton MPN: HLA3070T UPC: 78667976829 Shipping Weight: 2.50 lbs. Shipping Height: 6.00 In. Shipping Length: 9.00 In. Shipping Width: 6.00 In...- SKU:
- U00-3249
MSRP $6,833.13Surplus $1,837.50 -
Eaton HLD2600 Molded Case Breakers (MCCBs)
MSRP $15,405.96Surplus $4,769.89SKU: C15-4878 Brand: Eaton MPN: HLD2600 UPC: 78667902302 Shipping Weight: 17.80 lbs. Shipping Height: 8.00 In. Shipping Length: 13.00 In. Shipping Width: 11.00 In...- SKU:
- C15-4878
- TS PIK:
- 126885171
MSRP $15,405.96Surplus $4,769.89 -
Eaton HLD3400 Molded Case Breakers (MCCBs) HLD 3P 400A 600V 50/60Hz 3Ph L Frame
MSRP $22,350.00Surplus $5,826.73SKU: C15-3684 Brand: Eaton MPN: HLD3400 UPC: Shipping Weight: 16.55 lbs. Shipping Height: 5.00 In. Shipping Length: 9.00 In. Shipping Width: 11.00 In. Product...- SKU:
- C15-3684
- Frame Type:
- L
- Voltage Rating:
- 600 VAC
- Current Rating:
- 32 A
- Number of Poles:
- 3
- Interrupting Rating:
- 65 kA at 480 VAC
- Type:
- Molded Case
- Maximum AC Voltage Rating:
- 600 VAC
- Maximum DC Voltage Rating:
- 250 VDC
- Terminal Type:
- Line and Load Terminal
- Size:
- 8.25 Inch Width x 4.06 Inch Depth x 10.75 Inch Height
- Short Description:
- 600 VAC 50/60 Hz, 250 VDC, 400 A, 65 kA at 480 VAC, 3-Pole, Line and Load Terminal, L-Frame, High Interrupting Capacity, Interchangeable Trip Unit, Thermal Magnetic Switch
- Catalog:
- Eaton_14666_V4T2_326_CAT.pdf
- Installation/Operator:
- EatonCorp-CutlerHammer_00006_INST.pdf
- Specification/Technical:
- EatonCorp-CutlerHammer_00043_1_2_SPEC.pdf
- Series:
- C, HLD
- Country of Origin:
- United States
- Approval:
- UL, CE
MSRP $22,350.00Surplus $5,826.73 -
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Eaton HLD3400T106W Molded Case Breakers (MCCBs) HLD 3P 400A 600V 50/60Hz 3Ph L Frame
MSRP $39,876.00Surplus $16,209.11SKU: C15-4759 Brand: Eaton MPN: HLD3400T106W UPC: 786679055076 Shipping Weight: 25.50 lbs. Shipping Height: 8.00 In. Shipping Length: 14.00 In. Shipping Width: 14.00...- SKU:
- C15-4759
- Series:
- C
- Volts:
- 600 V
- Amps:
- 400 A
- Poles:
- 3
- Frequency Rating:
- 50/60 Hz
- Frame:
- L
- Short Description:
- EATON SERIES C ELECTRONIC MOLDED CASE CIRCUIT BREAKER, L-FRAME, HLD, COMPLETE BR
MSRP $39,876.00Surplus $16,209.11 -
Eaton HLD3600 Molded Case Breakers (MCCBs) HLD 3P 600A 600V 50/60Hz 3Ph L Frame EA
MSRP $18,046.68Surplus $1,728.41SKU: C15-1850 Brand: Eaton MPN: HLD3600 UPC: 786679009611 Shipping Weight: 17.00 lbs. Shipping Height: 7.70 In. Shipping Length: 13.30 In. Shipping Width: 10.90 In...- SKU:
- C15-1850
- Frame Type:
- L
- Voltage Rating:
- 600 VAC
- Current Rating:
- 32 A
- Number of Poles:
- 3
- Interrupting Rating:
- 65 kA at 480 VAC
- Type:
- Molded Case
- Maximum AC Voltage Rating:
- 600 VAC
- Maximum DC Voltage Rating:
- 250 VDC
- Terminal Type:
- Line and Load Terminal
- Size:
- 8.25 Inch Width x 4.06 Inch Depth x 10.75 Inch Height
- Short Description:
- 600 VAC 50/60 Hz, 250 VDC, 600 A, 65 kA, 3-Pole, HLD Frame, Thermal Magnetic, Molded Case
- Catalog:
- Eaton_27487_V4T2_254_V4T2_255_V4T2_323_V4T2_324_CAT.pdf
- Specification/Technical:
- Eaton_13801_1_2_SPEC.pdf
- TS PIK:
- 110190246
- Series:
- C
- Approval:
- UL, CE
MSRP $18,046.68Surplus $1,728.41 -
Eaton HLD3600F Molded Case Breakers (MCCBs) HLD 3P 600A 600V 50/60Hz 3Ph L Frame EA
MSRP $13,737.02Surplus $3,013.02SKU: C15-1673 Brand: Eaton MPN: HLD3600F UPC: 786679138014 Shipping Weight: 15.05 lbs. Shipping Height: 8.00 In. Shipping Length: 11.00 In. Shipping Width: 9.00 In...- SKU:
- C15-1673
- Approval:
- UL 489
- Approval:
- CSA C22.2
- Approval:
- CE
- Amps:
- 600 A
- Interrupting Rating:
- 65 kA at 480 VAC
- Interrupting Rating:
- 35 Kiloamp at 600 Volt AC
- Interrupting Rating:
- 25 Kiloamp at 250 Volt DC (UL)
- Interrupting Rating:
- 70 Kiloamp at 415 Volt AC
- Interrupting Rating:
- 25 Kiloamp at 690 Volt AC
- Interrupting Rating:
- 20 Kiloamp at 250 Volt DC (IEC)
- Maximum AC Voltage:
- 600 V
- Maximum DC Voltage:
- 250 V
- Poles:
- 3
- Size:
- 8.25 Inch Width x 4.06 Inch Depth x 10.75 Inch Height
- Terminal Type:
- Aluminum Standard Pressure Line and Load
- Type:
- Fixed Thermal Magnetic
- Type:
- LD Frame
- Volts:
- 600 VAC 50/60 Hertz
- Volts:
- 250 VDC
- Short Description:
- 600 VAC 50/60 Hz, 250 VDC, 600 A, 3-Pole, 100/60 kA Interrupt, L Frame, Fixed Thermal Magnetic, High Interrupting, HLD, Molded Case Circuit Breaker Frame
- Specification/Technical:
- images.tradeservi ...
- TS PIK:
- 21505000
- Voltage Rating:
- 600 VAC 50/60 Hertz, 250 VDC
- Installation/Operator:
- EatonCorp_00026_INST.pdf
- Number of Poles:
- 3
- Catalog:
- EatonCorp_00274_V4T2_329-V4T2_332_CAT.pdf
- Maximum AC Voltage Rating:
- 600 V
- Maximum DC Voltage Rating:
- 250 V
- Current Rating:
- 600 A
- Frame Type:
- L
- Country of Origin:
- United States
MSRP $13,737.02Surplus $3,013.02 -
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Eaton HLD3600FA13K01P05S02 Molded Case Breakers (MCCBs) HLD 3P 600A 600V 50/60Hz 3Ph L Frame
MSRP $20,000.00Surplus $3,841.58SKU: C15-4419 Brand: Eaton MPN: HLD3600FA13K01P05S02 UPC: Shipping Weight: 21.60 lbs. Shipping Height: 8.00 In. Shipping Length: 13.00 In. Shipping Width: 11.00 In...- SKU:
- C15-4419
- Series:
- C
- Volts:
- 600 V
- Amps:
- 600 A
- Poles:
- 3
- Frequency Rating:
- 50/60 Hz
- Frame:
- L
MSRP $20,000.00Surplus $3,841.58 -
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Eaton HLD3600T57W Molded Case Breakers (MCCBs) HLD 3P 600A 600V 50/60Hz 3Ph L Frame
MSRP $23,900.00Surplus $6,503.77SKU: C15-2284 Brand: Eaton MPN: HLD3600T57W UPC: 782114402269 Shipping Weight: 25.00 lbs. Shipping Height: 8.00 In. Shipping Length: 13.00 In. Shipping Width: 10.00...- SKU:
- C15-2284
- Frame Type:
- L
- Voltage Rating:
- 600 V
- Current Rating:
- 600 A
- Number of Poles:
- 3
- Interrupting Rating:
- 100 kA at 240 Vac 65 kA at 480 Vac
- Short Description:
- HLD 3P 600A BKR W/ OPTIM 550 LSIA T/U
MSRP $23,900.00Surplus $6,503.77 -
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Eaton HLD3600W Molded Case Breakers (MCCBs) 3P 600A
MSRP $18,442.79Surplus $8,535.99SKU: C15-6856 Brand: Eaton MPN: HLD3600W UPC: 78667902303 Shipping Weight: 17.40 lbs. Shipping Height: 6.00 In. Shipping Length: 11.00 In. Shipping Width: 9.00 In...- SKU:
- C15-6856
- TS PIK:
- 115927028
MSRP $18,442.79Surplus $8,535.99 -
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Eaton HLDB3600 Molded Case Breakers (MCCBs) HLD 3P 600A 600V 50/60Hz 3Ph H Frame Series C
MSRP $15,290.00Surplus $4,122.39SKU: C15-3712 Brand: Eaton MPN: HLDB3600 UPC: 782113965192 Shipping Weight: 22.40 lbs. Shipping Height: 8.00 In. Shipping Length: 14.00 In. Shipping Width: 12.00 In...- SKU:
- C15-3712
- Series:
- C
- Volts:
- 600 V
- Amps:
- 600 A
- Poles:
- 3
- Frequency Rating:
- 50/60 Hz
- Frame:
- H
- Short Description:
- EATON SERIES C COMPLETE MOLDED CASE CIRCUIT BREAKER, L-FRAME, HLDB, COMPLETE BRE
MSRP $15,290.00Surplus $4,122.39 -
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Eaton HLK4LOFF Circuit Breaker Accessories
MSRP $159.16Surplus $71.20Eaton HLK4LOFF Circuit Breaker Accessories​ ARCA SKU: C15-9535 Brand: Eaton MPN: HLK4LOFF UPC: 78667922552 Shipping Weight: 0.35 lbs. Shipping Height: 4.00 In. Shipping...- SKU:
- C15-9535
- TS PIK:
- 106999739
MSRP $159.16Surplus $71.20 -
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Eaton HLK4S Circuit Breaker Accessories Hasp Lock On/Off L/M Frame Top Mounted
MSRP $107.00Surplus $43.77Eaton HLK4S Circuit Breaker Accessories Hasp Lock On/Off L/M Frame Top Mounted​ ARCA SKU: C15-1736 Brand: Eaton MPN: HLK4S UPC: 786679009628 Shipping Weight: 1.20 Shipping Height: 2.00 In...- SKU:
- C15-1736
- Series:
- C
- Type:
- Padlockable
- Type:
- HASP
- Used On:
- L/M Frame Circuit Breaker
- Locking Provision:
- ON/OFF
- Short Description:
- ON/OFF Locking Provision, Padlockable, HASP
- Catalog:
- Eaton_27487_V4T2_455_CAT.pdf
MSRP $107.00Surplus $43.77 -
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Eaton HLK4SOFF Circuit Breaker Accessories Hasp Lock Off Only J-K Frame
MSRP $117.78Surplus $34.75Eaton HLK4SOFF Circuit Breaker Accessories Hasp Lock Off Only J-K Frame​ ARCA SKU: C15-3662 Brand: Eaton MPN: HLK4SOFF UPC: 786679009758 Shipping Weight: 0.65 Shipping Height: 2.00 In...- SKU:
- C15-3662
- Frame:
- J-K
- Short Description:
- EATON MOLDED CASE CIRCUIT BREAKER ACCESSORY HANDLE MECHANISM, PADLOCKABLE HANDLE
- Country of Origin:
- United States
MSRP $117.78Surplus $34.75 -
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Eaton HLK6 Circuit Breaker Accessories Handle Lock Hasp RG Frame
MSRP $292.00Surplus $78.52Eaton HLK6 Circuit Breaker Accessories Handle Lock Hasp RG Frame​ ARCA SKU: C15-2106 Brand: Eaton MPN: HLK6 UPC: 786679556887 Shipping Weight: 0.65 Shipping Height: 2.00 In. Shipping...- SKU:
- C15-2106
- Series:
- C
- Type:
- Padlockable
- Type:
- HASP
- Used On:
- R Frame Circuit Breaker
- Accessory Type:
- Handle Accessories
- Locking Provision:
- On/Off
- Short Description:
- ON/OFF Locking Provision, Padlockable, HASP
- Catalog:
- Eaton_27487_V4T2_245_V4T2_455_CAT.pdf
MSRP $292.00Surplus $78.52 -
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Eaton HLW3500V Molded Case Breakers (MCCBs) HLW 3P 500A 600V 50/60Hz 3Ph L Frame
MSRP $17,125.00Surplus $4,920.49SKU: C15-2336 Brand: Eaton MPN: HLW3500V UPC: 782116941131 Shipping Weight: 25.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-2336
- Series:
- C
- Volts:
- 600 V
- Amps:
- 500 A
- Poles:
- 3
- Frequency Rating:
- 50/60 Hz
- Frame:
- L
- Short Description:
- EATON SERIES C COMPLETE MOLDED CASE CIRCUIT BREAKER, L-FRAME, HLW, COMPLETE BREA
MSRP $17,125.00Surplus $4,920.49 -
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Eaton HLW3630V Molded Case Breakers (MCCBs) HLW 3P 630A 690V 50/60Hz 3Ph L Frame
MSRP $15,510.00Surplus $4,476.43SKU: C15-1886 Brand: Eaton MPN: HLW3630V UPC: 786685581330 Shipping Weight: 21.00 lbs. Shipping Height: 13.00 In. Shipping Length: 8.00 In. Shipping Width: 10.00 In...- SKU:
- C15-1886
- Series:
- C
- Volts:
- 690 V
- Amps:
- 630 A
- Poles:
- 3
- Frequency Rating:
- 50/60 Hz
- Frame:
- L
- Short Description:
- EATON SERIES C COMPLETE MOLDED CASE CIRCUIT BREAKER, L-FRAME, HLW, COMPLETE BREA
MSRP $15,510.00Surplus $4,476.43 -
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Eaton HM1R06 Circuit Breaker Accessories Operating Mechanism F Frame
MSRP $175.00Surplus $113.08Eaton HM1R06 Circuit Breaker Accessories Operating Mechanism F Frame​ ARCA SKU: C15-1770 Brand: Eaton MPN: HM1R06 UPC: 786679165003 Shipping Weight: 5.11 Shipping Height: 4.75 In. Shipping...- SKU:
- C15-1770
- Series:
- C
- Approval:
- UL
- Approval:
- CSA
- Enclosure:
- NEMA 1/3R/4/4X/12
- Breaker Type:
- F-Frame
- Handle Type:
- Rotary
- Handle Included:
- Yes
- Shaft Length:
- 6 Inch
- Door Hardware Series:
- C
- Short Description:
- 6" L Shaft, Rotary, F-Frame, NEMA 1/3R/4/4X/12, Through-The-Door
- Catalog:
- Eaton_14666_V4T2_545_V4T2_546_CAT.pdf
- Data Sheet:
- Eaton_07831_1-12_DATA.pdf
MSRP $175.00Surplus $113.08 -
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Eaton HM1R12 Circuit Breaker Accessories Rotary Handle F Frame
MSRP $185.00Surplus $80.63Eaton HM1R12 Circuit Breaker Accessories Rotary Handle F Frame​ ARCA SKU: C15-1499 Brand: Eaton MPN: HM1R12 UPC: 786679165027 Shipping Weight: 4.40 Shipping Height: 4.50 In. Shipping...- SKU:
- C15-1499
- Series:
- C
- Approval:
- UL
- Approval:
- CSA
- Enclosure:
- NEMA 1/3R/12
- Accessory Type:
- Operating Mechanism
- Switch Type:
- Molded Case
- Breaker Type:
- F Frame
- Handle Type:
- Black Rotary Lever
- Handle Included:
- Yes
- Handle to Device Connection:
- Variable Depth Shaft
- Shaft Length:
- 12 Inch
- Handle Mounting Location:
- Left
- Short Description:
- 12" Shaft, F Frame, Molded Case Switch, Black Rotary Lever
- Catalog:
- Eaton_27487_V4T2_545_V4T2_546_CAT.pdf
MSRP $185.00Surplus $80.63
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