
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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Contact Us For Quote
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 -
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Eaton LDB3400 Molded Case Breakers (MCCBs)
MSRP $17,271.74Surplus $2,576.54SKU: C15-11515 Brand: Eaton MPN: LDB3400 UPC: 78667914792 Shipping Weight: 21.10 lbs. Shipping Height: 8.00 In. Shipping Length: 13.00 In. Shipping Width: 11.00 In...- SKU:
- C15-11515
- TS PIK:
- 106998276
MSRP $17,271.74Surplus $2,576.54 -
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 -
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
- Short Description:
- LGE 3P 400A BKR_ FIX THERM/ADJ MAG TRIP
- Approval:
- UL 489, CSA C22.2, CE
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 -
Eaton LGS3400FAG Molded Case Breakers (MCCBs) LGS 3P 400A 600V 50/60Hz 3Ph L Frame
MSRP $5,685.00Surplus $2,013.21SKU: C15-1946 Brand: Eaton MPN: LGS3400FAG UPC: 782116142583 Shipping Weight: 16.00 lbs. Shipping Height: 6.00 In. Shipping Length: 12.50 In. Shipping Width: 7.00 In...- SKU:
- C15-1946
- Series:
- G
- Volts:
- 600 V
- Amps:
- 400 A
- Poles:
- 3
- Frequency Rating:
- 50/60 Hz
- Frame:
- L
- Short Description:
- LGS 3P 340A BKR_ FIX THERM/ADJ MAG TRIP
- Current Rating:
- 340 A
- Country of Origin:
- United States
MSRP $5,685.00Surplus $2,013.21 -
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Eaton LT325032 Molded Case Breakers (MCCBs)
MSRP $4,300.80Surplus $691.05SKU: C15-9546 Brand: Eaton MPN: LT325032 UPC: 78211636591 Shipping Weight: 2.85 lbs. Shipping Height: 5.00 In. Shipping Length: 9.00 In. Shipping Width: 5.00 In...- SKU:
- C15-9546
- TS PIK:
- 120877416
- Short Description:
- EATON MOLDED CASE CIRCUIT BREAKER ACCESSORY TRIP UNIT, TRIP UNIT, 250 A, THREE-P
- Country of Origin:
- United States
MSRP $4,300.80Surplus $691.05 -
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Eaton LT3250FA Molded Case Breakers (MCCBs) 3P 250A
MSRP $979.18Surplus $425.26SKU: C15-5583 Brand: Eaton MPN: LT3250FA UPC: 78211633620 Shipping Weight: 2.00 lbs. Shipping Height: 5.00 In. Shipping Length: 9.00 In. Shipping Width: 5.00 In...- SKU:
- C15-5583
- TS PIK:
- 21332000
MSRP $979.18Surplus $425.26 -
Eaton MMOTL Circuit Breaker Accessories Motor Operator Kit 24VDC Universal Compact
MSRP $5,350.00Surplus $1,192.95SKU: C15-2351 Brand: Eaton MPN: MMOTL UPC: 782114752203 Shipping Weight: 6.62 lbs. Shipping Height: 6.00 In. Shipping Length: 8.00 In. Shipping Width: 6.50 In...- SKU:
- C15-2351
- Type:
- Motor Operator Kit
- Used On:
- Universal Frame Magnum Low-Vage Power Circuit Breaker
- Specification/Technical:
- Eaton_60841_1_SPEC.pdf
- Data Sheet:
- EatonCorp-CutlerHammer_00056_11_DATA.pdf
- Short Description:
- EATON MAGNUM MOTOR OPERATOR, MAGNUM, UNIVERSAL, 24-48 VDC, MMOTL
MSRP $5,350.00Surplus $1,192.95 -
Eaton MVADP32 Circuit Breaker Accessories Vertical Adapter Kit 3P 3200A
MSRP $3,100.00Surplus $890.15SKU: C15-3014 Brand: Eaton MPN: MVADP32 UPC: 782114624722 Shipping Weight: 22.50 lbs. Shipping Height: 5.00 In. Shipping Length: 11.00 In. Shipping Width: 7.00 In...- SKU:
- C15-3014
- Amps:
- 3200 A
- Poles:
- 3
- Short Description:
- EATON MAGNUM ADAPTER KIT, THREE-POLE, STANDARD FRAME, UP TO 100 KAIC, UP TO 3200
- Country of Origin:
- United States
MSRP $3,100.00Surplus $890.15 -
Eaton NGH308033E Molded Case Breakers (MCCBs) NGH 3P 800A 600V 50/60Hz 3Ph N Frame EA
MSRP $17,809.00Surplus $8,321.81SKU: C15-4883 Brand: Eaton MPN: NGH308033E UPC: 786685379166 Shipping Weight: 45.75 lbs. Shipping Height: 11.00 In. Shipping Length: 19.00 In. Shipping Width: 12.00...- SKU:
- C15-4883
- Frame Type:
- NG
- Voltage Rating:
- 690 VAC
- Current Rating:
- 32 A
- Number of Poles:
- 3
- Interrupting Rating:
- 65 kA at 480 VAC
- Type:
- Molded Case
- Maximum AC Voltage Rating:
- 690 VAC
- Terminal Type:
- Line and Load Terminal
- Size:
- 5.5 Inch Width x 8.25 Inch Depth x 16 Inch Height
- Short Description:
- 690 VAC 50/60 Hz, 800 A, 65 kA, 3-Pole, Imperial Tapped Line/Load Terminal, NGH Frame, DigiTrip 310 RMS LS Electronic Trip
- Catalog:
- Eaton_46579_V4T2_203-V4T2_211_CAT.pdf
- Installation/Operator:
- Eaton_00493_INST.pdf
- Specification/Technical:
- Eaton_51797_1-3_SPEC.pdf
- Series:
- G
- Country of Origin:
- United States
- Approval:
- UL, CSA
MSRP $17,809.00Surplus $8,321.81 -
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Eaton NGH308038E Molded Case Breakers (MCCBs) NGH 3P 800A 600V 50/60Hz 3Ph N Frame
MSRP $28,650.00Surplus $11,054.53SKU: C15-2959 Brand: Eaton MPN: NGH308038E UPC: Shipping Weight: 44.25 lbs. Shipping Height: 11.00 In. Shipping Length: 19.00 In. Shipping Width: 12.00 In. Product...- SKU:
- C15-2959
- Frame Type:
- NG
- Voltage Rating:
- 600 V
- Current Rating:
- 800 A
- Number of Poles:
- 3
- Interrupting Rating:
- 100kA @ 240VAC, 65kA AT 480VAC AND 35kA AT 600VAC
- Short Description:
- NGH 3 POLE 800 A LSI WITH ARMS_ ENGLISH CONDUCTORS
MSRP $28,650.00Surplus $11,054.53 -
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Eaton NGH312038EC Molded Case Breakers (MCCBs) EA
MSRP $34,984.24Surplus $16,457.90SKU: C15-9263 Brand: Eaton MPN: NGH312038EC UPC: Shipping Weight: 41.00 lbs. Shipping Height: 8.00 In. Shipping Length: 17.00 In. Shipping Width: 9.00 In. Product...- SKU:
- C15-9263
MSRP $34,984.24Surplus $16,457.90 -
Eaton NGHMVD08B Circuit Breaker Accessories Rotary Handle NG Frame
MSRP $473.00Surplus $201.43SKU: C15-2589 Brand: Eaton MPN: NGHMVD08B UPC: 786685293769 Shipping Weight: 7.00 lbs. Shipping Height: 6.00 In. Shipping Length: 13.00 In. Shipping Width: 8.00 In...- SKU:
- C15-2589
- Series:
- G
- Approval:
- UL
- Enclosure:
- NEMA 1/3R/12
- Enclosure:
- IP20/IP54/IP55
- Accessory Type:
- Operating Mechanism
- Switch Type:
- Molded Case
- Breaker Type:
- NG Frame
- Handle Type:
- Blue/Black Rotary
- Handle Included:
- Yes
- Shaft Length:
- 8
- Short Description:
- 8" Shaft, NG-Frame, S3 Blue, Molded Case Switch, NEMA 1/3R/12
- Catalog:
- Eaton_21665_V4T2_501_CAT.pdf
- Installation/Operator:
- Eaton_00688_INST.pdf
- Country of Origin:
- United States
MSRP $473.00Surplus $201.43
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