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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- Qty in Cart
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Eaton NGS312035E Molded Case Breakers (MCCBs) NGS 3P 1200A 600V 50/60Hz 3Ph N Frame
MSRP $26,650.00Surplus $9,975.07SKU: C15-2792 Brand: Eaton MPN: NGS312035E UPC: 786685379425 Shipping Weight: 42.65 lbs. Shipping Height: 6.00 In. Shipping Length: 16.00 In. Shipping Width: 9.00 In...- SKU:
- C15-2792
- Approval:
- UL 489
- Approval:
- CSA C22.2
- Approval:
- CE
- Amps:
- 1200 A
- Frame:
- NG
- Interrupting Rating:
- 65 kA at 240 VAC (UL)
- Interrupting Rating:
- 85 Kiloamp at 220 to 240 Volt AC
- Interrupting Rating:
- 50 Kiloamp at 380 to 415/480 Volt AC
- Interrupting Rating:
- 25 Kiloamp at 600 Volt AC
- Interrupting Rating:
- 20 Kiloamp at 690 Volt AC (IEC)
- Maximum AC Voltage:
- 690 V
- Poles:
- 3
- Size:
- 8.25 Inch Width x 5.5 Inch Depth x 16 Inch Height
- Terminal Type:
- Line and Load
- Type:
- Electronic RMS 310 Digitrip LSG
- Volts:
- 240/415/480/600/690 VAC 50/60 Hertz
- TS PIK:
- 123516295
- Frame Type:
- NG
- Short Description:
- EATON SERIES G ELECTRONIC MOLDED CASE CIRCUIT BREAkER, NG-FRAME, NG, DIGITRIP 31
- Voltage Rating:
- 480 VAC
- Maximum AC Voltage Rating:
- 690 V
- Catalog:
- EatonCorp-CutlerHammer_00123_V4T2_142-V4T2_144_V4T2_203-V4T2_211_CAT.pdf
- Current Rating:
- 1200 A
- Number of Poles:
- 3
- Installation/Operator:
- Eaton_00493_INST.pdf
MSRP $26,650.00Surplus $9,975.07 -
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Eaton NGS312039B22E Molded Case Breakers (MCCBs) NGS 3P 1200A 600V 50/60Hz 3Ph N Frame EA
MSRP $32,164.00Surplus $6,447.63SKU: C15-4964 Brand: Eaton MPN: NGS312039B22E UPC: 78668558092 Shipping Weight: 47.00 lbs. Shipping Height: 10.00 In. Shipping Length: 19.00 In. Shipping Width: 12.00...- SKU:
- C15-4964
- Series:
- G
- Volts:
- 600 V
- Amps:
- 1200 A
- Poles:
- 3
- Frequency Rating:
- 50/60 Hz
- Frame:
- N
- Short Description:
- NGS 1200A LSIG BKR W/ARMS + GFA (NO TRIP)_ ENG THREADS
MSRP $32,164.00Surplus $6,447.63 -
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Eaton NGS312039E Molded Case Breakers (MCCBs) NGS 3P 200A 600V 50/60Hz 3Ph N Frame
MSRP $35,092.06Surplus $9,796.96SKU: C15-3404 Brand: Eaton MPN: NGS312039E UPC: 786685475707 Shipping Weight: 41.85 lbs. Shipping Height: 9.00 In. Shipping Length: 17.00 In. Shipping Width: 9.00 In...- SKU:
- C15-3404
- Series:
- G
- Volts:
- 600 V
- Amps:
- 200 A
- Poles:
- 3
- Frequency Rating:
- 50/60 Hz
- Frame:
- N
- Short Description:
- NGS 3 POLE 1200 AMP LSIG WITH ARMS_ ENGLISH CONDUCTORS
MSRP $35,092.06Surplus $9,796.96 -
Eaton NHMVD Circuit Breaker Accessories Vari Depth Operating Mech N Frame EA
MSRP $293.00Surplus $38.89Eaton NHMVD Circuit Breaker Accessories Vari Depth Operating Mech N Frame EA​ ARCA SKU: C15-1707 Brand: Eaton MPN: NHMVD UPC: 782116347315 Shipping Weight: 6.15 lbs. Shipping...- SKU:
- C15-1707
- Frame:
- N
- Short Description:
- VARI-DEPTH ROTARY MECH 12 MM (NG)
- TS PIK:
- 120710582
MSRP $293.00Surplus $38.89 -
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Eaton NRXAUXKT1 Circuit Breaker Accessories EA
MSRP $668.48Surplus $287.74SKU: P03-1782 Brand: Eaton MPN: NRXAUXKT1 UPC: 78667601373 Shipping Weight: 0.70 lbs. Shipping Height: 3.00 In. Shipping Length: 10.00 In. Shipping Width: 7.00 In...- SKU:
- P03-1782
- TS PIK:
- 124447144
MSRP $668.48Surplus $287.74 -
Eaton NRXCSKT Circuit Breaker Accessories
MSRP $624.75Surplus $161.43Eaton NRXCSKT Circuit Breaker Accessories​ ARCA SKU: C15-9527 Brand: Eaton MPN: NRXCSKT UPC: 78668544036 Shipping Weight: 0.50 lbs. Shipping Height: 3.00 In. Shipping...- SKU:
- C15-9527
- TS PIK:
- 123897480
- Short Description:
- EATON SERIES NRX CELL SWITCH KIT DIGITRIP NF
- Country of Origin:
- United States
MSRP $624.75Surplus $161.43 -
Eaton NRXDTPTM Circuit Breaker Accessories External PT Module
MSRP $1,317.00Surplus $399.20SKU: C15-3528 Brand: Eaton MPN: NRXDTPTM UPC: 786685608150 Shipping Weight: 2.00 lbs. Shipping Height: 6.00 In. Shipping Length: 10.00 In. Shipping Width: 6.00 In...- SKU:
- C15-3528
- Series:
- C
- Short Description:
- EATON SERIES NRX OTHER ACCESSORIES PT MODULE DIGITRIP NF/RF
- Country of Origin:
- United States
MSRP $1,317.00Surplus $399.20 -
Eaton NRXLEVIN3 Circuit Breaker Accessories Levering Mechanism 3P 1600A NF Frame
MSRP $1,211.00Surplus $471.39SKU: C15-3691 Brand: Eaton MPN: NRXLEVIN3 UPC: 786685384566 Shipping Weight: 8.80 lbs. Shipping Height: 12.00 In. Shipping Length: 12.00 In. Shipping Width: 10.00 In...- SKU:
- C15-3691
- Amps:
- 1600 A
- Poles:
- 3
- Frame:
- NF
- Short Description:
- EATON POWER DEFENSE ICCB LEVERING MECHANISM, THREE-POLE, NF FRAME, UP TO 1600A
- Country of Origin:
- United States
MSRP $1,211.00Surplus $471.39 -
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Eaton NS1-125-NA Molded Case Breakers (MCCBs) NS 3P 125A 480V 50/60Hz 3Ph
MSRP $1,768.00Surplus $750.65SKU: C15-1979 Brand: Eaton MPN: NS1-125-NA UPC: 015081025439 Shipping Weight: 2.45 lbs. Shipping Height: 3.75 In. Shipping Length: 6.75 In. Shipping Width: 3.75 In...- SKU:
- C15-1979
- Frame Type:
- NS1
- Voltage Rating:
- 480 VAC Star/277 VAC
- Current Rating:
- 32 A
- Number of Poles:
- 3
- Interrupting Rating:
- 150 kA
- Type:
- Molded Case
- Maximum AC Voltage Rating:
- 480
- Terminal Type:
- Front Frame ClA
- Size:
- 90 Millimeter Width x 84.5 Millimeter Depth x 145 Millimeter Height
- Short Description:
- 480 VAC Star/277 VAC, 125 A, 3-Pole, Front Frame ClA/Screw Terminal, NS1 Frame
- Catalog:
- Eaton-Moeller_00014_17_80_17_81_CAT.pdf
- Data Sheet:
- Eaton-Moeller_00678_1-8_DATA.pdf
- Installation/Operator:
- Eaton-Moeller_00020_INST.pdf
- Specification/Technical:
- Eaton-Moeller_00081_1_SPEC.pdf
- Series:
- NS1
MSRP $1,768.00Surplus $750.65 -
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Eaton NS3-400-NA Molded Case Breakers (MCCBs) 3P 400A 600V 50/60Hz 3Ph NZM3 Frame
MSRP $6,877.00Surplus $2,024.47SKU: C15-2110 Brand: Eaton MPN: NS3-400-NA UPC: 015081025477 Shipping Weight: 14.10 lbs. Shipping Height: 13.00 In. Shipping Length: 7.50 In. Shipping Width: 6.30 In...- SKU:
- C15-2110
- Frame Type:
- NS3
- Voltage Rating:
- 480 VAC
- Current Rating:
- 32 A
- Number of Poles:
- 3
- Interrupting Rating:
- 150 kA
- Type:
- Thermal Magnetic
- Maximum AC Voltage Rating:
- 480
- Terminal Type:
- Front Frame ClA
- Size:
- 140 Millimeter Width 166 x Millimeter Depth x 275 Millimeter Height
- Short Description:
- 600 VAC, 400 A, 3-Pole, Front Frame ClA/Screw Terminal, NS3 Frame
- Catalog:
- Eaton-Moeller_00014_17_80_17_81_CAT.pdf
- Data Sheet:
- Eaton-Moeller_00685_1-9_DATA.pdf
- Installation/Operator:
- Eaton-Moeller_00021_INST.pdf
- Specification/Technical:
- Eaton-Moeller_00088_1_2_SPEC.pdf
- Series:
- NS3
MSRP $6,877.00Surplus $2,024.47 -
Eaton NSB CVS2225XMM Molded Case Breakers (MCCBs) EA
MSRP $1,638.09Surplus $169.91SKU: C15-9317 Brand: Eaton MPN: CVS2225XMM UPC: 00786685705934 Shipping Weight: 3.25 lbs. Shipping Height: 4.00 In. Shipping Length: 8.00 In. Shipping Width: 6.00 In...- SKU:
- C15-9317
- Frame Type:
- CCV
- Current Rating:
- 225 A
- Number of Poles:
- 2
- Interrupting Rating:
- 42 kA
- Short Description:
- Eaton Type CV Molded Case Circuit Breaker,Molded case circuit breaker,225 A,42 kA,Two-pole,#6 - 4/0 Al/Cu,CV,#4/0 kcmil maximum load,Includes mounting kit
- Country of Origin:
- Dominican Republic
MSRP $1,638.09Surplus $169.91 -
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Eaton NX123GABNSFNNC Circuit Breaker Accessories Cassette Rejection Kit
MSRP $656.00Surplus $413.24SKU: C15-4289 Brand: Eaton MPN: NX123GABNSFNNC UPC: Shipping Weight: 52.65 lbs. Shipping Height: 28.00 In. Shipping Length: 24.00 In. Shipping Width: 21.00 In...- SKU:
- C15-4289
- Type:
- Cassette Rejection Kit
MSRP $656.00Surplus $413.24 -
Eaton NZM-XSTK Circuit Breaker Accessories
MSRP $68.87Surplus $16.23SKU: C15-11792 Brand: Eaton MPN: NZM-XSTK UPC: Shipping Weight: 0.05 lbs. Shipping Height: 1.00 In. Shipping Length: 7.00 In. Shipping Width: 3.00 In. Product...- SKU:
- C15-11792
- TS PIK:
- 124502594
- Data Sheet:
- Eaton-Moeller_01533_1_2_DATA.pdf
- Short Description:
- 1-Pole, 18 to 16 AWG, Box, Control Terminal for NZM/PN/N Molded Case Circuit Breaker
- Type:
- Control Terminal
- Used On:
- NZM Series Molded Case Circuit Breaker
- Catalog:
- Eaton-Moeller_00013_191_193_199_203_211_CAT.pdf
MSRP $68.87Surplus $16.23 -
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Eaton NZM1-XDV-MODAN Circuit Breaker Accessories
MSRP $130.00Surplus $48.30Eaton NZM1-XDV-MODAN Circuit Breaker Accessories​ ARCA SKU: C15-3903 Brand: Eaton MPN: NZM1-XDV-MODAN UPC: 015082857633 Shipping Weight: 0.45 Shipping Height: 3.00 In. Shipping...- SKU:
- C15-3903
- Type:
- Rotary Handle
- Type:
- MODAN Door Coupling
- Used On:
- NZM1/PN1/N1 Series Molded Case Circuit Breaker
- Used On:
- Switch Disconnector
- Used On:
- Power Circuit Breaker
- Short Description:
- Size 1, NZM1 Frame, Gray, IP20, Rotary Drive, MODAN Door Coupling
- Data Sheet:
- Eaton-Moeller_00718_1_DATA.pdf
MSRP $130.00Surplus $48.30 -
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Eaton NZM1-XIPA Circuit Breaker Accessories EA
MSRP $56.30Surplus $13.10Eaton NZM1-XIPA Circuit Breaker Accessories EA​ ARCA SKU: C15-11002 Brand: Eaton MPN: NZM1-XIPA UPC: Shipping Weight: 0.10 lbs. Shipping Height: 3.00 In. Shipping...- SKU:
- C15-11002
- Catalog:
- Eaton-Moeller_00013_196_CAT.pdf
- Installation/Operator:
- Eaton-Moeller_00025_INST.pdf
- Short Description:
- Size 1, 3-Pole, IP2X, Finger Protection Cover for NZM1/PN1/N1 Molded Case Circuit Breaker/Power Circuit Breaker
- Data Sheet:
- Eaton-Moeller_00722_1_2_DATA.pdf
- Used On:
- NZM1/PN1/N1 Series Molded Case Circuit Breaker, Power Circuit Breaker
- Type:
- Finger Protection Cover
- Country of Origin:
- Germany
MSRP $56.30Surplus $13.10 -
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Eaton NZM1-XIPK Circuit Breaker Accessories
MSRP $89.52Surplus $32.23Eaton NZM1-XIPK Circuit Breaker Accessories​ ARCA SKU: C15-5182 Brand: Eaton MPN: NZM1-XIPK UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0...- SKU:
- C15-5182
MSRP $89.52Surplus $32.23 -
Eaton NZM1-XKSA Circuit Breaker Accessories EA
MSRP $89.52Surplus $15.54Eaton NZM1-XKSA Circuit Breaker Accessories EA​ ARCA SKU: C15-9403 Brand: Eaton MPN: NZM1-XKSA UPC: 1508260021 Shipping Weight: 0.30 lbs. Shipping Height: 4.00 In. Shipping...- SKU:
- C15-9403
- TS PIK:
- 124502417
- Used On:
- NZM1 Series Molded Case Circuit Breaker
- Short Description:
- Size 1, 3-Pole, Screw Terminal Cover for NZM1/PN1/N1 Molded Case Circuit Breaker
- Installation/Operator:
- Eaton-Moeller_00028_INST.pdf
- Type:
- Cover
- Catalog:
- Eaton-Moeller_00013_193_CAT.pdf
- Data Sheet:
- Eaton-Moeller_01558_1_2_DATA.pdf
- Country of Origin:
- Germany
- Accessory Type:
- General Accessories
MSRP $89.52Surplus $15.54 -
Eaton NZM1-XKSFA Circuit Breaker Accessories
MSRP $81.00Surplus $14.37SKU: C15-11470 Brand: Eaton MPN: NZM1-XKSFA UPC: 01508100680 Shipping Weight: 0.10 lbs. Shipping Height: 3.00 In. Shipping Length: 3.00 In. Shipping Width: 3.00 In...- SKU:
- C15-11470
- TS PIK:
- 124501358
- Type:
- Terminal Cover, Knockout
- Installation/Operator:
- Eaton-Moeller_00030_INST.pdf
- Data Sheet:
- Eaton-Moeller_00729_1_2_DATA.pdf
- Catalog:
- Eaton-Moeller_00013_193_CAT.pdf
- Used On:
- NZM1 Series Molded Case Circuit Breaker, Switch Disconnector
- Short Description:
- 3-Pole, Knockout, Terminal Cover for NZM1/PN1/N1 Molded Case Circuit Breaker/Switch Disconnector
- Country of Origin:
- Germany
MSRP $81.00Surplus $14.37 -
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Eaton NZM1-XSM-R Circuit Breaker Accessories Main Switch Assembly Kit
MSRP $700.00Surplus $187.13Eaton NZM1-XSM-R Circuit Breaker Accessories Main Switch Assembly Kit​ ARCA SKU: C15-3045 Brand: Eaton MPN: NZM1-XSM-R UPC: 015082666655 Shipping Weight: 3.50 lbs. Shipping Height: 6.00 In...- SKU:
- C15-3045
- Short Description:
- MAIN SWTH ASSEMBLY KIT LAT.RIGHT
MSRP $700.00Surplus $187.13 -
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Eaton NZM1-XU110-130AC Undervoltage Releases (UVRs) 130V
MSRP $560.00Surplus $126.00Eaton NZM1-XU110-130AC Undervoltage Releases (UVRs) 130V​ ARCA SKU: A13-1200 Brand: Eaton MPN: NZM1-XU110-130AC UPC: 015082594408 Shipping Weight: 0.20 lbs. Shipping Height: 3.00 In...- SKU:
- A13-1200
- Series:
- NZM1
- Type:
- AC
- Used On:
- NZM1 Series Molded Case Circuit Breaker
- Used On:
- Off-Load Switch
- AC Voltage Rating:
- 110 to 130 Volt 50/60 Hertz
- Connection Type:
- Terminal Block
- Connection Type:
- Screw
- Short Description:
- 110 to 130 VAC 50/60 Hz, Terminal Block/Screw Connection
- Catalog:
- Eaton-Moeller_00015_236_CAT.pdf
- Data Sheet:
- Eaton-Moeller_00753_1-3_DATA.pdf
MSRP $560.00Surplus $126.00
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