
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
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Eaton LGH3400FAG Molded Case Breakers (MCCBs) LGH 3P 400A 600V 50/60Hz 3Ph L Frame
MSRP $8,610.00Surplus $3,693.64SKU: C15-1935 Brand: Eaton MPN: LGH3400FAG UPC: 782116142767 Shipping Weight: 16.25 lbs. Shipping Height: 7.13 In. Shipping Length: 15.75 In. Shipping Width: 7.75 In...- SKU:
- C15-1935
- Approval:
- UL 489
- Approval:
- CSA C22.2
- Approval:
- CE
- Amps:
- 400 A
- Frame:
- LG
- Interrupting Rating:
- 100 kA at 240 VAC
- Interrupting Rating:
- 70 Kiloamp at 415 Volt AC
- Interrupting Rating:
- 65 Kiloamp at 480 Volt AC
- Interrupting Rating:
- 35 Kiloamp at 600 Volt AC
- Maximum AC Voltage:
- 600 V
- Poles:
- 3
- Size:
- 5.48 Inch Width x 4.09 Inch Depth x 10.13 Inch Height
- Terminal Type:
- Line and Load
- Type:
- Fixed Thermal
- Type:
- Adjustable Magnetic
- Volts:
- 240/415/480/600 VAC 50/60 Hertz
- TS PIK:
- 120147140
- Catalog:
- EatonCorp-CutlerHammer_00123_V4T2_142-V4T2_144_V4T2_185-V4T2_202_CAT.pdf
- Frame Type:
- LG
- Maximum AC Voltage Rating:
- 600 V
- Voltage Rating:
- 480 VAC
- Number of Poles:
- 3
- Installation/Operator:
- Eaton_00239_INST.pdf
- Short Description:
- EATON SERIES G MOLDED CASE CIRCUIT BREAkER, LG-FRAME, LG, FIXED THERMAL, ADJUSTA
- Current Rating:
- 400 A
MSRP $8,610.00Surplus $3,693.64 -
Eaton LGH3500FAG Molded Case Breakers (MCCBs) LGH 3P 500A 600V 50/60Hz 3Ph L Frame
MSRP $17,000.00Surplus $1,491.39SKU: C15-3967 Brand: Eaton MPN: LGH3500FAG UPC: Shipping Weight: 16.80 lbs. Shipping Height: 8.00 In. Shipping Length: 16.00 In. Shipping Width: 8.00 In. Product...- SKU:
- C15-3967
- Approval:
- UL 489
- Approval:
- CSA C22.2
- Approval:
- CE
- Amps:
- 500 A
- Frame:
- LG
- Interrupting Rating:
- 100 kA at 240 VAC
- Interrupting Rating:
- 70 Kiloamp at 415 Volt AC
- Interrupting Rating:
- 65 Kiloamp at 480 Volt AC
- Interrupting Rating:
- 35 Kiloamp at 600 Volt AC
- Maximum AC Voltage:
- 600 V
- Poles:
- 3
- Size:
- 5.48 Inch Width x 4.09 Inch Depth x 10.13 Inch Height
- Terminal Type:
- Line and Load
- Type:
- Fixed Thermal
- Type:
- Adjustable Magnetic
- Volts:
- 240/415/480/600 VAC 50/60 Hertz
- Short Description:
- 600 VAC 50/60 Hz, 250 VDC, 500 A, 3-Pole, LG Frame, Line and Load Terminal, Fixed Thermal, Adjustable Magnetic, Molded Case, Non-Interchangeable Trip Circuit Breaker
- Maximum AC Voltage Rating:
- 600 V
- Number of Poles:
- 3
- Frame Type:
- LG
- Current Rating:
- 500 A
- Voltage Rating:
- 240/415/480/600 VAC 50/60 Hertz
- Catalog:
- EatonCorp_00274_V4T2_147-V4T2_149_V4T2_190-V4T2_207_CAT.pdf
- Installation/Operator:
- EatonCorp_00030_INST.pdf
- Country of Origin:
- United States
MSRP $17,000.00Surplus $1,491.39 -
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Eaton LGH360032G Molded Case Breakers (MCCBs) LGH 3P 600A 690V 50/60Hz 3Ph L Frame
MSRP $16,500.00Surplus $3,090.40SKU: C15-2603 Brand: Eaton MPN: LGH360032G UPC: 782116994892 Shipping Weight: 18.15 lbs. Shipping Height: 7.00 In. Shipping Length: 17.00 In. Shipping Width: 9.00 In...- SKU:
- C15-2603
- Type:
- Molded Case
- Type:
- Branch
- Type:
- Common Trip
- Type:
- Thermal Magnetic
- Approval:
- UL
- Approval:
- CSA
- Size:
- 5.48 Inch W x 4.09 Inch D x 10.13 Inch H
- Amps:
- 32 A
- Poles:
- 3
- Interrupting Rating:
- 100 kA at 240 VAC
- Interrupting Rating:
- 70 Kiloampere at 415 VAC
- Interrupting Rating:
- 65 Kiloampere at 480 VAC
- Interrupting Rating:
- 35 Kiloampere at 600 VAC
- Terminal Type:
- Line/Load
- Frame Type:
- LG
- Voltage Rating (V):
- 240 to 600 VAC
- Maximum AC Voltage Rating (V):
- 600
- Short Description:
- 240 to 600 VAC, 600 A, 100 kA, 3-Pole, LG Frame, Electronic Trip, Molded Case
- Catalog:
- Eaton_27487_V4T2_142-V4T2_144_V4T2_185_V4T2_186_V4T2_191_CAT.pdf
- Data Sheet:
- SiemensAG_01604_1_DATA.pdf
- Current Rating:
- 600 A
- Number of Poles:
- 3
- Installation/Operator:
- Eaton_00239_INST.pdf
MSRP $16,500.00Surplus $3,090.40 -
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Eaton LGH360039W Molded Case Breakers (MCCBs) LGH 3P 600A 600V 50/60Hz 3Ph L Frame
MSRP $21,786.00Surplus $8,195.12SKU: C15-2563 Brand: Eaton MPN: LGH360039W UPC: 786685475196 Shipping Weight: 13.05 lbs. Shipping Height: 6.00 In. Shipping Length: 11.00 In. Shipping Width: 6.00 In...- SKU:
- C15-2563
- Series:
- G
- Volts:
- 600 V
- Amps:
- 600 A
- Poles:
- 3
- Frequency Rating:
- 50/60 Hz
- Frame:
- L
- Short Description:
- Series G electronic molded case circuit breaker, LG-frame, LG, Digitrip 310 RMS, Electronic ALSIG trip, Three-pole, 600A, 600 Vac, 100 kAIC at 240 Vac, 70 kAIC at 415 Vac, 65 kAIC at 480 Vac, 35 kAIC at 600 Vac, Without terminals
- Voltage Rating:
- 600 VAC
- Current Rating:
- 600 A
- Frame Type:
- LG
- Number of Poles:
- 3
MSRP $21,786.00Surplus $8,195.12 -
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Eaton LGH3600FAG Molded Case Breakers (MCCBs) LGH 3P 600A 600V 50/60Hz 3Ph L Frame
MSRP $10,655.00Surplus $2,635.69SKU: C15-3013 Brand: Eaton MPN: LGH3600FAG UPC: 782116142781 Shipping Weight: 12.30 lbs. Shipping Height: 6.00 In. Shipping Length: 11.00 In. Shipping Width: 6.00 In...- SKU:
- C15-3013
- Series:
- LGH
- Type:
- Fixed Thermal/Adjustable Magnetic
- Approval:
- UL
- Approval:
- CSA
- Size:
- 5.48 Inch Width x 5.48 Inch Depth x 5.48 Inch Height
- Volts:
- 600 V
- Amps:
- 32 A
- Poles:
- 3
- Interrupting Rating:
- 70 kA at 415 VAC
- Interrupting Rating:
- 65 kA at 480 Volt AC
- Terminal Type:
- Line and Load Standard
- Short Description:
- 5.48" x 4.09" x 10.13", 600 VAC, 600 A, 35 kA at 600 VAC, 65 kA at 480 VAC, 70 kA at 415 VAC, 100 kA at 240 VAC, 14 to 1/0 AWG Copper/Aluminum Wire, Line/Load Standard Terminal, 3-Pole, Fixed Thermal, Adjustable Magnetic
- Catalog:
- Eaton_03771_V4T2_151-V4T2_153_CAT.pdf
- Installation/Operator:
- Eaton_00239_INST.pdf
- Voltage Rating:
- 600 V
- Current Rating:
- 600 A
- Number of Poles:
- 3
- Country of Origin:
- United States
MSRP $10,655.00Surplus $2,635.69 -
Eaton LGH3600FAW Molded Case Breakers (MCCBs) 3P
MSRP $12,150.00Surplus $1,352.62SKU: C15-3060 Brand: Eaton MPN: LGH3600FAW UPC: 78211614179 Shipping Weight: 16.00 lbs. Shipping Height: 8.00 In. Shipping Length: 12.00 In. Shipping Width: 8.00 In...- SKU:
- C15-3060
- Series:
- G
- Volts:
- 690 V
- Amps:
- 600 A
- Poles:
- 3
- Frequency Rating:
- 50/60 Hz
- Frame:
- L
- Short Description:
- EATON SERIES G MOLDED CASE CIRCUIT BREAKER, LG-FRAME, LG, FIXED THERMAL, ADJUSTA
- TS PIK:
- 120098164
- Country of Origin:
- United States
MSRP $12,150.00Surplus $1,352.62 -
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Eaton LGH3600NN Molded Case Breakers (MCCBs) LGH 3P 600A 600V 50/60Hz 3Ph L Frame
MSRP $11,112.00Surplus $4,000.32SKU: C15-4709 Brand: Eaton MPN: LGH3600NN UPC: Shipping Weight: 12.30 lbs. Shipping Height: 6.00 In. Shipping Length: 11.00 In. Shipping Width: 6.00 In. Product...- SKU:
- C15-4709
MSRP $11,112.00Surplus $4,000.32 -
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Eaton LGH3630 Molded Case Breakers (MCCBs) LGH 3P 630A 600V 50/60Hz 3Ph L Frame
MSRP $12,570.00Surplus $5,527.70SKU: C15-4981 Brand: Eaton MPN: LGH3630 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- C15-4981
MSRP $12,570.00Surplus $5,527.70 -
Eaton LGH3630NN Molded Case Breakers (MCCBs)
MSRP $11,500.00Surplus $1,191.70SKU: C15-1822 Brand: Eaton MPN: LGH3630NN UPC: 78211633618 Shipping Weight: 14.30 lbs. Shipping Height: 5.00 In. Shipping Length: 11.00 In. Shipping Width: 6.00 In...- SKU:
- C15-1822
- Frame Type:
- LG
- Voltage Rating:
- 415/480 V
- Current Rating:
- 32 A
- Number of Poles:
- 3
- Type:
- Molded Case
- Size:
- 4.09 Inch L x 5.48 Inch W x 10.13 H
- Short Description:
- 415/480 V, 630 A, 3-Pole, LG
- Catalog:
- Eaton_27487_V4T2_185_V4T2_186_V4T2_189_CAT.pdf
- Installation/Operator:
- Eaton_00239_INST.pdf
- Specification/Technical:
- Eaton_39628_1_2_SPEC.pdf
- TS PIK:
- 120602131
- Series:
- L
- Country of Origin:
- United States
- Approval:
- UL, CSA, IEC
MSRP $11,500.00Surplus $1,191.70 -
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Eaton LGHMVD12B Circuit Breaker Accessories Vari-Depth Rotary Handle LG Frame Black
MSRP $306.00Surplus $124.25Eaton LGHMVD12B Circuit Breaker Accessories Vari-Depth Rotary Handle LG Frame Black​ ARCA SKU: C15-2071 Brand: Eaton MPN: LGHMVD12B UPC: 786685293684 Shipping Weight: 3.50 Shipping...- SKU:
- C15-2071
- Approval:
- UL 508A
- Breaker Type:
- LG Frame
- Cover Hinge Location:
- 0
- Enclosure:
- NEMA 1/3R/12
- Enclosure:
- IP54
- Handle Included:
- Yes
- Handle Mounting Location:
- 0
- Handle to Device Connection:
- Shaft
- Handle Type:
- S2 Blue Rotary
- Handle Type:
- High Performance
- Shaft Length:
- 12 Inch
- Switch Type:
- Molded Case
- Catalog:
- EatonCorp-CutlerHammer_00123_V4T2_527-V4T2_529_V4T2_532_CAT.pdf
- Installation/Operator:
- Eaton_00569_INST.pdf
- Short Description:
- EATON MOLDED CASE CIRCUIT BREAKER ACCESSORY HANDLE MECHANISM, HANDLE MECHANISM C
MSRP $306.00Surplus $124.25 -
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Eaton LGHMVD12R Circuit Breaker Accessories Vari-Depth Rotary Handle LG Frame Red
MSRP $306.00Surplus $133.95Eaton LGHMVD12R Circuit Breaker Accessories Vari-Depth Rotary Handle LG Frame Red​ ARCA SKU: C15-2914 Brand: Eaton MPN: LGHMVD12R UPC: 786685293691 Shipping Weight: 4.05 Shipping Height: 8...- SKU:
- C15-2914
- Frame:
- LG
- Color:
- Red
- Short Description:
- LG VD ROTARY HNDLE KIT_ 12@ SHFT_ S2 RED_ 1/3R/12
MSRP $306.00Surplus $133.95 -
Eaton LGS3350FAG Molded Case Breakers (MCCBs) LGS 3P 350A 600V 50/60Hz 3Ph L Frame
MSRP $6,450.00Surplus $1,478.83SKU: C15-3951 Brand: Eaton MPN: LGS3350FAG UPC: 782116142576 Shipping Weight: 14.15 lbs. Shipping Height: 7.00 In. Shipping Length: 13.00 In. Shipping Width: 8.00 In...- SKU:
- C15-3951
- Frame Type:
- LG
- Voltage Rating:
- 600 V
- Current Rating:
- 350 A
- Number of Poles:
- 3
- Interrupting Rating:
- 85 kA at 240 Vac 50 kA at 480 Vac 25 kA at 600 Vac
- Short Description:
- LGS 3P 350A BKR_ FIX THERM/ADJ MAG TRIP
- Country of Origin:
- United States
MSRP $6,450.00Surplus $1,478.83 -
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Eaton LGS360036G Molded Case Breakers (MCCBs) LGS 3P 600A 690V 50/60Hz 3Ph L Frame
MSRP $12,590.00Surplus $4,900.66SKU: C15-1939 Brand: Eaton MPN: LGS360036G UPC: 782116994496 Shipping Weight: 17.40 lbs. Shipping Height: 7.13 In. Shipping Length: 15.75 In. Shipping Width: 7.75 In...- SKU:
- C15-1939
- Series:
- G
- Volts:
- 690 V
- Amps:
- 600 A
- Poles:
- 3
- Frequency Rating:
- 50/60 Hz
- Frame:
- L
- Short Description:
- LGS 3 POLE_ 600A LSIG BREAKER
- Current Rating:
- 600 A
MSRP $12,590.00Surplus $4,900.66 -
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Eaton LGSBI Circuit Breaker Accessories Sliding Bar Interlock Kit 3P-4P LG Frame
MSRP $275.00Surplus $72.57Eaton LGSBI Circuit Breaker Accessories Sliding Bar Interlock Kit 3P-4P LG Frame​ ARCA SKU: C15-1761 Brand: Eaton MPN: LGSBI UPC: 782116806577 Shipping Weight: 2.00 Shipping Height: 5.00...- SKU:
- C15-1761
- Frame:
- LG
- Short Description:
- EATON MOLDED CASE CIRCUIT BREAKER ACCESSORY SLIDE BAR INTERLOCK, SLIDE BAR INTER
MSRP $275.00Surplus $72.57 -
Eaton LGTEW3 Circuit Breaker Accessories
MSRP $169.00Surplus $83.96SKU: C15-11693 Brand: Eaton MPN: LGTEW3 UPC: 78211612289 Shipping Weight: 0.40 lbs. Shipping Height: 2.00 In. Shipping Length: 3.00 In. Shipping Width: 1.00 In...- SKU:
- C15-11693
- TS PIK:
- 119984719
- Country of Origin:
- China
- Short Description:
- TERMINAL SPREADER KIT FOR LG 3P BKR_ LINE OR LOAD MOUNT
MSRP $169.00Surplus $83.96 -
Eaton LGU340032G Molded Case Breakers (MCCBs)
MSRP $22,467.52Surplus $3,415.63SKU: C15-9517 Brand: Eaton MPN: LGU340032G UPC: 78668518465 Shipping Weight: 14.85 lbs. Shipping Height: 8.00 In. Shipping Length: 13.00 In. Shipping Width: 9.00 In...- SKU:
- C15-9517
- TS PIK:
- 122381446
- Short Description:
- EATON SERIES G ELECTRONIC MOLDED CASE CIRCUIT BREAKER, LG-FRAME, LG, DIGITRIP 31
MSRP $22,467.52Surplus $3,415.63 -
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Eaton LGU3400FAG Molded Case Breakers (MCCBs) LGU 3P 400A 690V 50/60Hz 3Ph L Frame
MSRP $16,000.00Surplus $3,966.88SKU: C15-3675 Brand: Eaton MPN: LGU3400FAG UPC: 786685185057 Shipping Weight: 14.55 lbs. Shipping Height: 7.00 In. Shipping Length: 12.00 In. Shipping Width: 8.00 In...- SKU:
- C15-3675
- Frame Type:
- LG
- Voltage Rating:
- 690 V
- Current Rating:
- 400 A
- Number of Poles:
- 3
- Interrupting Rating:
- 150 kA at 480 Vac 65 kA at 600 Vac 200 kA at 240 Vac
- Short Description:
- 3 POLE_ 400 A_ 150KA FIXED THERMAL/ADJ. MAGNETIC
MSRP $16,000.00Surplus $3,966.88 -
Eaton LGX3630NN-MOD Molded Case Breakers (MCCBs) EA
MSRP $18,000.00Surplus $2,227.86SKU: C15-11211 Brand: Eaton MPN: LGX3630NN-MOD UPC: Shipping Weight: 13.65 lbs. Shipping Height: 5.00 In. Shipping Length: 11.00 In. Shipping Width: 6.00 In...- SKU:
- C15-11211
MSRP $18,000.00Surplus $2,227.86 -
Eaton LHH3400NN Molded Case Breakers (MCCBs)
MSRP $1,500.00Surplus $364.70SKU: C15-11837 Brand: Eaton MPN: LHH3400NN UPC: Shipping Weight: 11.65 lbs. Shipping Height: 7.00 In. Shipping Length: 13.00 In. Shipping Width: 8.00 In. Product...- SKU:
- C15-11837
MSRP $1,500.00Surplus $364.70 -
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Eaton LHMFS10 Circuit Breaker Accessories
MSRP $1,144.00Surplus $322.96SKU: C15-2141 Brand: Eaton MPN: LHMFS10 UPC: 786685284774 Shipping Weight: 7.00 lbs. Shipping Height: 3.00 In. Shipping Length: 20.00 In. Shipping Width: 19.00 In...- SKU:
- C15-2141
- Short Description:
- EATON MOLDED CASE CIRCUIT BREAKER ACCESSORY HANDLE MECHANISM, FLEX SHAFT FLANGE-
MSRP $1,144.00Surplus $322.96
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.