
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 HKDDC3200WF01 Molded Case Breakers (MCCBs) HKDDC 3P 200A 600V 50/60Hz 3Ph K Frame
MSRP $9,495.00Surplus $3,320.57SKU: C15-2414 Brand: Eaton MPN: HKDDC3200WF01 UPC: 786685584072 Shipping Weight: 8.00 lbs. Shipping Height: 5.00 In. Shipping Length: 10.00 In. Shipping Width: 5.00...- SKU:
- C15-2414
- Series:
- C
- Volts:
- 600 V
- Amps:
- 200 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, 200A, 600 Vac, 250 Vdc, 42 kAIC at 600 Vac, Without terminals, Vdc, Freeze tested
- Number of Poles:
- 3
- Current Rating:
- 200 A
- Voltage Rating:
- 600 VAC
- Country of Origin:
- Dominican Republic
MSRP $9,495.00Surplus $3,320.57 -
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Eaton HKDDC3300WF01 Molded Case Breakers (MCCBs) HKDDC 3P 300A 600V 50/60Hz 3Ph K Frame
MSRP $9,495.00Surplus $3,775.73SKU: C15-2412 Brand: Eaton MPN: HKDDC3300WF01 UPC: 786685584102 Shipping Weight: 8.00 lbs. Shipping Height: 6.50 In. Shipping Length: 12.50 In. Shipping Width: 7.00...- SKU:
- C15-2412
- Series:
- C
- Volts:
- 600 V
- Amps:
- 300 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, 300A, 600 Vac, 250 Vdc, 42 kAIC at 600 Vdc, Without terminals, Vdc, Freeze tested
- Number of Poles:
- 3
- Current Rating:
- 300 A
MSRP $9,495.00Surplus $3,775.73 -
Eaton HKDDC3350W Molded Case Breakers (MCCBs) HKDDC 3P 350A 600V 50/60Hz 3Ph K Frame
MSRP $8,315.00Surplus $3,593.39SKU: C15-2062 Brand: Eaton MPN: HKDDC3350W UPC: 786685493633 Shipping Weight: 12.90 lbs. Shipping Height: 12.25 In. Shipping Length: 6.25 In. Shipping Width: 6.75 In...- SKU:
- C15-2062
- Frame Type:
- HkD
- Voltage Rating:
- 600 V
- Current Rating:
- 350 A
- Number of Poles:
- 3
- Interrupting Rating:
- 1 Pole in Series - 42 kA @ 125VDC, 2 Poles in Series - 50 kA @ 250VDC, 3 Poles in Series - 42 kA @ 600VDC
- Short Description:
- EATON SERIES C MOLDED CASE CIRCUIT BREAKER, DC BREAKER, 3P 350A 600VDC W/O TERM
- Series:
- C
- Country of Origin:
- Dominican Republic
MSRP $8,315.00Surplus $3,593.39 -
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Eaton HLD3600T52WZG Molded Case Breakers (MCCBs) HLD 3P 600A 600V 50/60Hz 3Ph L Frame
MSRP $22,425.00Surplus $6,068.72SKU: C15-2281 Brand: Eaton MPN: HLD3600T52WZG UPC: 782113532264 Shipping Weight: 20.00 lbs. Shipping Height: 7.00 In. Shipping Length: 13.00 In. Shipping Width: 13.00...- SKU:
- C15-2281
- Frame Type:
- L
- Voltage Rating:
- 600 V
- Current Rating:
- 600 A
- Number of Poles:
- 3
- Interrupting Rating:
- 65 kA at 480 Vac 100 kA at 240 Vac
- Short Description:
- HLD 3P 600A OPTIM 550 LSI ZSI GFA KIT
MSRP $22,425.00Surplus $6,068.72 -
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Eaton HLK4 Circuit Breaker Accessories Handle Lock Hasp LD Frame EA Watertight/Oiltight
MSRP $117.78Surplus $61.58Eaton HLK4 Circuit Breaker Accessories Handle Lock Hasp LD Frame EA Watertight/Oiltight​ ARCA SKU: C15-1734 Brand: Eaton MPN: HLK4 UPC: 786679401040 Shipping Weight: 0.35 lbs. Shipping...- SKU:
- C15-1734
- Series:
- C
- Type:
- Padlockable
- Type:
- HASP
- Used On:
- L/M Frame Circuit Breaker
- Accessory Type:
- Handle Accessories
- Locking Provision:
- On/Off
- Short Description:
- ON/OFF Locking Provision, Side Mount, Padlockable, HASP
- Catalog:
- Eaton_27487_V4T2_455_V4T2_494_V4T2_518_CAT.pdf
- TS PIK:
- 107002907
- Country of Origin:
- United States
MSRP $117.78Surplus $61.58 -
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Eaton HLK6OFF Circuit Breaker Accessories Handle Lock Hasp Padlockable
MSRP $213.27Surplus $97.10Eaton HLK6OFF Circuit Breaker Accessories Handle Lock Hasp Padlockable​ ARCA SKU: C15-3867 Brand: Eaton MPN: HLK6OFF UPC: 786679556900 Shipping Weight: 0.70 Shipping Height: 2.00 In...- SKU:
- C15-3867
- Type:
- Padlockable
- Type:
- Hasp
- Used On:
- R Frame Molded Case Circuit Breaker
- Locking Provision:
- OFF
- Short Description:
- OFF Locking Provision, Padlockable, HASP
- Catalog:
- Eaton_27487_V4T2_245_V4T2_455_CAT.pdf
MSRP $213.27Surplus $97.10 -
Eaton HMCP100R3C Motor Circuit Protector (MCPs) HMCP 3P 100A 600V 50/60Hz 3Ph M Frame EA
MSRP $1,812.27Surplus $670.32SKU: C15-3853 Brand: Eaton MPN: HMCP100R3C UPC: 786679150856 Shipping Weight: 4.40 lbs. Shipping Height: 5.00 In. Shipping Length: 8.00 In. Shipping Width: 5.00 In...- SKU:
- C15-3853
- Series:
- C, HMCP
- Type:
- Molded Case
- Type:
- Magnetic
- Approval:
- UL 489
- Approval:
- CSA C22.2
- Approval:
- CE
- Volts:
- 600 VAC
- Volts:
- 250 VDC
- Amps:
- 32 A
- Poles:
- 3
- Terminal Type:
- Non-Aluminum Line and Load Terminal
- Frame Type:
- F
- Maximum AC Voltage Rating:
- 600 V
- Motor FLA:
- 23 to 84.5 A
- Maximum DC Voltage Rating:
- 250 V
- Trip Setting:
- 300 to 1000 A
- Starter Size:
- NEMA 3
- Short Description:
- 600 VAC, 250 VDC, 100 A, 300 to 1000 A Trip, 23 to 84.5 A FLA, 3-Pole, NEMA 3, Non-Aluminum Line and Load Terminal, F Frame, Magnetic, Molded Case
- Catalog:
- Eaton_27487_V4T2_394_V4T2_395_V4T2_398_CAT.pdf
- Number of Poles:
- 3
- Current Rating:
- 100 A
- Voltage Rating:
- 600 VAC, 250 VDC
- Country of Origin:
- Dominican Republic
MSRP $1,812.27Surplus $670.32 -
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Eaton HTBGD3P Circuit Breaker Accessories Handle Tie 3P G Frame 10PK
MSRP $3.05Surplus $1.31Eaton HTBGD3P Circuit Breaker Accessories Handle Tie 3P G Frame 10PK​ ARCA SKU: C15-2655 Brand: Eaton MPN: HTBGD3P UPC: 786685884103 Shipping Weight: 0.05 lbs. Shipping Height: 0.50...- SKU:
- C15-2655
- Poles:
- 3
- Type:
- Handle Tie
- Specification/Technical:
- Eaton_19355_1_2_SPEC.pdf
- Catalog:
- EatonCorp-CutlerHammer_00123_V4T2_454_CAT.pdf
MSRP $3.05Surplus $1.31 -
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Eaton JGE3150FAG Molded Case Breakers (MCCBs) JGE 3P 150A 600V 50/60Hz 3Ph J Frame
MSRP $3,915.00Surplus $1,862.00SKU: C15-4126 Brand: Eaton MPN: JGE3150FAG UPC: 782113526713 Shipping Weight: 5.30 lbs. Shipping Height: 5.00 In. Shipping Length: 7.00 In. Shipping Width: 5.00 In...- SKU:
- C15-4126
- Series:
- G
- Type:
- Fixed Thermal
- Type:
- Adjustable Magnetic
- Approval:
- IEC
- Approval:
- CE
- Approval:
- UL
- Approval:
- CSA
- Size:
- 9.5 Inch Length x 5 Inch Width x 6.5 Inch Height
- Volts:
- 600 VAC 50/60 Hertz
- Amps:
- 32 A
- Poles:
- 3
- Interrupting Rating:
- 65 kA at 240 VAC
- Interrupting Rating:
- 25 kA at 480 Volt AC
- Interrupting Rating:
- 18 kA at 600 Volt AC
- Terminal Type:
- Line and Load
- Frame Type:
- JG
- Maximum AC Voltage Rating:
- 600
- Short Description:
- 600 VAC 50/60 Hz, 150 A, 25 kA, 3-Pole, Line/Load Terminal, JG Frame, Fixed Thermal, Adjustable Magnetic
- Catalog:
- Eaton_46579_V4T2_167-V4T2_183_CAT.pdf
- Installation/Operator:
- Eaton_00372_INST.pdf
- CAD Drawing:
- Eaton_32657_1_2_CAD.pdf
- Current Rating:
- 150 A
- Number of Poles:
- 3
- CAD Drawings:
- Eaton_32657_1_2_CAD.pdf
- Voltage Rating:
- 600 VAC 50/60 Hertz
- Country of Origin:
- Dominican Republic
MSRP $3,915.00Surplus $1,862.00 -
Eaton JGH3250FAG Molded Case Breakers (MCCBs) JGH 3P 250A 600V 50/60Hz 3Ph J Frame
MSRP $8,365.00Surplus $1,056.93SKU: C15-3482 Brand: Eaton MPN: JGH3250FAG UPC: 782113526874 Shipping Weight: 6.00 lbs. Shipping Height: 5.00 In. Shipping Length: 10.00 In. Shipping Width: 7.00 In...- SKU:
- C15-3482
- Series:
- JG
- Type:
- Fixed Thermal
- Type:
- Adjustable Magnetic
- Approval:
- IEC
- Approval:
- CE
- Approval:
- UL
- Approval:
- CSA
- Size:
- 3.57 Inch Length x 4.13 Inch Width x 4.13 Inch Height
- Volts:
- 600 VAC 50/60 Hertz
- Amps:
- 32 A
- Poles:
- 3
- Interrupting Rating:
- 25 kA at 600 VAC
- Interrupting Rating:
- 65 kA at 480 Volt AC
- Interrupting Rating:
- 100 kA at 240 Volt AC
- Terminal Type:
- Line and Load
- Frame Type:
- JG
- Maximum AC Voltage Rating:
- 600
- Short Description:
- 600 VAC 50/60 Hz, 250 A, 65 kA, 3-Pole, Line/Load Terminal, JG Frame, Fixed Thermal, Adjustable Magnetic
- Catalog:
- Eaton_46579_V4T2_167-V4T2_183_CAT.pdf
- Installation/Operator:
- Eaton_00372_INST.pdf
- CAD Drawing:
- Eaton_32657_1_2_CAD.pdf
- Current Rating:
- 250 A
- CAD Drawings:
- Eaton_32657_1_2_CAD.pdf
- Number of Poles:
- 3
- Voltage Rating:
- 600 VAC 50/60 Hertz
- Country of Origin:
- Dominican Republic
MSRP $8,365.00Surplus $1,056.93 -
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Eaton JT325032 Trip Units JT 3P 250A 600V 50/60Hz
MSRP $1,918.00Surplus $1,067.33SKU: A13-1187 Brand: Eaton MPN: JT325032 UPC: 782116062775 Shipping Weight: 1.35 lbs. Shipping Height: 3.50 In. Shipping Length: 7.00 In. Shipping Width: 4.00 In...- SKU:
- A13-1187
- Short Description:
- DT310+ LSI T/U_ 250A MAX. FOR J250 BKR
- Poles:
- 3
- Volts:
- 600 V
- Amps:
- 250 A
- Type:
- JT
- Series:
- G Series
MSRP $1,918.00Surplus $1,067.33 -
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Eaton KD3400WAO2 Molded Case Breakers (MCCBs) EA
MSRP $1,200.00Surplus $432.00SKU: C15-11039 Brand: Eaton MPN: KD3400WAO2 UPC: Shipping Weight: 11.40 lbs. Shipping Height: 13.00 In. Shipping Length: 7.00 In. Shipping Width: 7.00 In. Product...- SKU:
- C15-11039
MSRP $1,200.00Surplus $432.00 -
Eaton KES3250LSIG Trip Units KES 3P 250A 600V 50/60Hz
MSRP $4,023.97Surplus $2,283.36SKU: A13-1175 Brand: Eaton MPN: KES3250LSIG UPC: 78667927116 Shipping Weight: 5.80 lbs. Shipping Height: 5.00 In. Shipping Length: 6.00 In. Shipping Width: 5.00 In...- SKU:
- A13-1175
- Adjustment:
- Independently Adjustable Short Time Pickup and Delay
- Adjustment:
- Ground Fault Protection
- Amps:
- 250 A
- Frame:
- CKD/CHKD
- Poles:
- 3
- Type:
- Electronic
- Short Description:
- 250 A, 3-Pole, LSIG Frame, Electronic Adjustable, Molded Case Circuit Breaker Trip Unit
- Series:
- C
- Specification/Technical:
- Eaton_08646_1_2_SPEC.pdf
- Installation/Operator:
- Eaton_00109_INST.pdf
- Number of Poles:
- 3
- Frame Type:
- CKD/CHKD
- Catalog:
- Eaton_14666_V4T2_301_V4T2_303_V4T2_304_CAT.pdf
- Current Rating:
- 250 A
- Country of Origin:
- United States
MSRP $4,023.97Surplus $2,283.36 -
Eaton KES3400LS Molded Case Breakers (MCCBs) 3P 400A
MSRP $2,089.34Surplus $682.72SKU: A13-1140 Brand: Eaton MPN: KES3400LS UPC: 786679271001 Shipping Weight: 2.50 lbs. Shipping Height: 4.00 In. Shipping Length: 6.00 In. Shipping Width: 4.00 In...- SKU:
- A13-1140
- Series:
- C
- Type:
- Electronic RMS 310 Digitrip
- Approval:
- UL
- Amps:
- 400 A
- Poles:
- 3
- Frame Type:
- K
- Accessory Type:
- Trip Unit
- Adjustment:
- Short Time Pickup and Delay
- Short Description:
- 400 A, 3-Pole, K Frame, Electronic RMS 310 Digitrip
- Catalog:
- Eaton_27487_V4T2_301_V4T2_303_CAT.pdf
- Number of Poles:
- 3
- Current Rating:
- 400 A
- Country of Origin:
- United States
MSRP $2,089.34Surplus $682.72 -
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Eaton KPEKM3 Circuit Breaker Accessories 3P 225A EA
MSRP $30.18Surplus $14.80Eaton KPEKM3 Circuit Breaker Accessories 3P 225A EA​ ARCA SKU: C15-2447 Brand: Eaton MPN: KPEKM3 UPC: 10786679045296 Shipping Weight: 0.20 lbs. Shipping Height: 2.00 In. Shipping...- SKU:
- C15-2447
- Amps:
- 225 A
- Poles:
- 3
- Frame:
- J-K
- Short Description:
- KD 3P ENDSHIELD KIT_ METRIC HARDWARE_ LINE OR LOAD END
MSRP $30.18Surplus $14.80 -
Eaton KYK6 Circuit Breaker Accessories
MSRP $767.12Surplus $185.25SKU: C15-11585 Brand: Eaton MPN: KYK6 UPC: 78667942050 Shipping Weight: 0.65 lbs. Shipping Height: 5.00 In. Shipping Length: 5.00 In. Shipping Width: 5.00 In...- SKU:
- C15-11585
- TS PIK:
- 107003280
- Country of Origin:
- United States
- Short Description:
- RD/RG BKR KEY INTERLOCK MOUNTING KIT
MSRP $767.12Surplus $185.25 -
Eaton LES3600LSIG Trip Units LES 3P 600A 600V 50/60Hz
MSRP $14,500.00Surplus $3,455.34SKU: A13-1191 Brand: Eaton MPN: LES3600LSIG UPC: 786679268407 Shipping Weight: 3.50 lbs. Shipping Height: 5.00 In. Shipping Length: 8.00 In. Shipping Width: 5.00 In...- SKU:
- A13-1191
- Type:
- Electronic RMS 310 Digitrip LSIG
- Approval:
- UL 489
- Approval:
- CSA C22.2
- Approval:
- CE
- Amps:
- 600 A
- Poles:
- 3
- Frame Type:
- L
- Adjustment:
- Independent Short Time Pickup and Ground Fault
- Catalog:
- EatonCorp-CutlerHammer_00123_V4T2_254_V4T2_255_V4T2_323-V4T2_327_CAT.pdf
- Current Rating:
- 600 A
- Short Description:
- EATON MOLDED CASE CIRCUIT BREAKER ACCESSORY TRIP UNIT, TRIP UNIT, 600 A, THREE-P
- Number of Poles:
- 3
MSRP $14,500.00Surplus $3,455.34 -
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Eaton LGE3400FAG Molded Case Breakers (MCCBs) EA
MSRP $5,287.00Surplus $2,739.80SKU: C15-9719 Brand: Eaton MPN: LGE3400FAG UPC: Shipping Weight: 13.90 lbs. Shipping Height: 8.00 In. Shipping Length: 13.00 In. Shipping Width: 9.00 In. Product...- SKU:
- C15-9719
- TS PIK:
- 120147104
- Frame Type:
- LG
- Maximum AC Voltage Rating:
- 600 V
- Terminal Type:
- Line and Load
- Size:
- 5.48 Inch Width x 4.09 Inch Depth x 10.13 Inch Height
- Voltage Rating:
- 240/415/480/600 VAC 50/60 Hertz
- Number of Poles:
- 3
- Interrupting Rating:
- 65 kA at 240 VAC, 35 kA at 415/480 VAC, 18 kA at 600 VAC
- Type:
- Fixed Thermal, Adjustable Magnetic
- Catalog:
- EatonCorp-CutlerHammer_00123_V4T2_142-V4T2_144_V4T2_185-V4T2_202_CAT.pdf
- Installation/Operator:
- Eaton_00239_INST.pdf
- Current Rating:
- 400 A
- Country of Origin:
- United States
MSRP $5,287.00Surplus $2,739.80 -
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Eaton LGH3630NNWC Molded Case Breakers (MCCBs) LGH 3P 600A 600V 50/60Hz 3Ph L Frame
MSRP $8,265.00Surplus $2,156.36SKU: C15-2755 Brand: Eaton MPN: LGH3630NNWC UPC: 786685004617 Shipping Weight: 17.05 lbs. Shipping Height: 7.00 In. Shipping Length: 17.00 In. Shipping Width: 9.00 In...- SKU:
- C15-2755
- Series:
- G
- Volts:
- 600 V
- Amps:
- 600 A
- Poles:
- 3
- Frequency Rating:
- 50/60 Hz
- Frame:
- L
- Short Description:
- Molded case circuit breaker accessory frame, Frame only, 630 A, 100 kAIC at 240 V, 70 kAIC at 415 V, 65 kAIC at 480 V, 35 kAIC at 600 V, Three-pole, Frame only (no trip), Frame J-K, Series G
- Current Rating:
- 630 A
- Interrupting Rating:
- 100 kA
- Frame Type:
- J-k
- Number of Poles:
- 3
- Voltage Rating:
- 600 VAC
MSRP $8,265.00Surplus $2,156.36 -
Eaton LGHDC3300FAW Molded Case Breakers (MCCBs) LGHDC 3P 300A 600V 50/60Hz 3Ph L Frame
MSRP $9,375.00Surplus $2,740.22SKU: C15-2401 Brand: Eaton MPN: LGHDC3300FAW UPC: 786685479781 Shipping Weight: 16.00 lbs. Shipping Height: 11.50 In. Shipping Length: 7.25 In. Shipping Width: 7.88...- SKU:
- C15-2401
- Series:
- G
- Volts:
- 600 V
- Amps:
- 300 A
- Poles:
- 3
- Frequency Rating:
- 50/60 Hz
- Frame:
- L
- Short Description:
- Series G DC/PvGard complete molded case circuit breaker, LG-frame, LG, Complete breaker, Fixed thermal, adjustable magnetic trip type, Three-pole, 300A, 600 Vac, 65 kAIC at 600 Vac, Without terminals, Vdc
- Number of Poles:
- 3
- Current Rating:
- 300 A
- Country of Origin:
- United States
- Interrupting Rating:
- 65 kA
- Type:
- Molded Case
- Voltage Rating:
- 600 VDC
MSRP $9,375.00Surplus $2,740.22
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