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 MDNSHTR3P Circuit Breaker Accessories Cassette Shutter Field Option Kit 3P 1600A Narrow
MSRP $608.00Surplus $206.44SKU: C15-3611 Brand: Eaton MPN: MDNSHTR3P UPC: 782116106707 Shipping Weight: 6.85 lbs. Shipping Height: 5.00 In. Shipping Length: 18.00 In. Shipping Width: 18.00 In...- SKU:
- C15-3611
- Amps:
- 1600 A
- Poles:
- 3
- Frame:
- Narrow
- Short Description:
- EATON MAGNUM OTHER ACCESSORIES, 800-1600A, THREE-POLE, MAGNUM, NARROW, UP TO 160
- Country of Origin:
- United States
MSRP $608.00Surplus $206.44 -
Eaton MES3800LSI Trip Units
MSRP $9,474.89Surplus $3,342.41SKU: A13-1149 Brand: Eaton MPN: MES3800LSI UPC: 782114371367 Shipping Weight: 3.95 lbs. Shipping Height: 4.00 In. Shipping Length: 8.00 In. Shipping Width: 5.00 In...- SKU:
- A13-1149
- Approval:
- UL
- Amps:
- 800 A
- Frame:
- J-K
- Poles:
- 3
- Type:
- Electronic
- Short Description:
- 800 A, 3-Pole, LSI Frame, Electronic, Ground Fault Protection, Molded Case Circuit Breaker Trip Unit
- Specification/Technical:
- Eaton_49294_1_2_SPEC.pdf
- TS PIK:
- 115512164
- Catalog:
- Eaton_14666_V4T2_353_CAT.pdf
- Number of Poles:
- 3
- Frame Type:
- J-K
- Current Rating:
- 800 A
- Country of Origin:
- United States
MSRP $9,474.89Surplus $3,342.41 -
Eaton MHMVD06R Circuit Breaker Accessories
MSRP $291.00Surplus $43.17Eaton MHMVD06R Circuit Breaker Accessories​ ARCA SKU: C15-2994 Brand: Eaton MPN: MHMVD06R UPC: 782116150076 Shipping Weight: 2.80 Shipping Height: 5.00 In. Shipping Length: 13...- SKU:
- C15-2994
- Short Description:
- RED HANDLE_ 6@ SHAFT-MDL FRAME
- Country of Origin:
- Canada
MSRP $291.00Surplus $43.17 -
Eaton MIC10 Circuit Breaker Accessories Cable Kit 10 FT Cables (2)
MSRP $778.00Surplus $88.89Eaton MIC10 Circuit Breaker Accessories Cable Kit 10 FT Cables (2)​ ARCA SKU: C15-2872 Brand: Eaton MPN: MIC10 UPC: 782114865033 Shipping Weight: 4.00 Shipping Height: 2.00 In. Shipping...- SKU:
- C15-2872
- Short Description:
- EATON MAGNUM MECHANICAL INTERLOCK, UNIVERSAL BREAKER, UNIVERSAL FRAME, 10 FEET C
- Country of Origin:
- United States
MSRP $778.00Surplus $88.89 -
Eaton MOPEG240C Circuit Breaker Accessories Motor Operator 1A 240V EG Frame
MSRP $1,615.00Surplus $172.94SKU: C15-2354 Brand: Eaton MPN: MOPEG240C UPC: 786685221106 Shipping Weight: 2.10 lbs. Shipping Height: 4.50 In. Shipping Length: 6.75 In. Shipping Width: 3.75 In...- SKU:
- C15-2354
- Series:
- G
- Volts:
- 240 V
- Amps:
- 1 A
- Frame:
- EG
- Short Description:
- SERIES G: ELECTRICAL OPERATORS
- Country of Origin:
- China
MSRP $1,615.00Surplus $172.94 -
Eaton MOPJG24D Circuit Breaker Accessories JG 24VDC J-K Frame
MSRP $3,930.00Surplus $657.55SKU: C15-2353 Brand: Eaton MPN: MOPJG24D UPC: 786685299297 Shipping Weight: 2.80 lbs. Shipping Height: 5.00 In. Shipping Length: 5.50 In. Shipping Width: 5.00 In...- SKU:
- C15-2353
- Series:
- G
- Volts:
- 24 VDC
- Frame:
- J-K
- Short Description:
- C-H - JG MOTOR OPERATOR 24 VDC
- Country of Origin:
- United States
MSRP $3,930.00Surplus $657.55 -
Eaton MPLSS1132-2 Circuit Breaker Accessories EA
MSRP $42.46Surplus $16.50Eaton MPLSS1132-2 Circuit Breaker Accessories EA​ ARCA SKU: C15-9406 Brand: Eaton MPN: MPLSS1132-2 UPC: 78668906155 Shipping Weight: 2.50 lbs. Shipping Height: 7.00 In. Shipping...- SKU:
- C15-9406
- TS PIK:
- 127753021
- Short Description:
- EATON POWER PEDESTAL WATER MOUNTING PLATE WITH MOUNTING BRACKETS, LIGHTHOUSE SS/
- Country of Origin:
- United States
MSRP $42.46Surplus $16.50 -
Eaton MT2300T Trip Units MT 2P 300A 600V 50/60Hz
MSRP $4,350.00Surplus $523.90SKU: A13-1182 Brand: Eaton MPN: MT2300T UPC: Shipping Weight: 2.45 lbs. Shipping Height: 6.00 In. Shipping Length: 9.00 In. Shipping Width: 6.00 In. Product...- SKU:
- A13-1182
- Short Description:
- EATON MOLDED CASE CIRCUIT BREAKER ACCESSORY TRIP UNIT, TRIP UNIT, 300 A, TWO-POL
- Country of Origin:
- United States
MSRP $4,350.00Surplus $523.90 -
Eaton MT3350T Trip Units MT 3P 350A 600V 50/60Hz Series C
MSRP $4,993.00Surplus $1,396.50SKU: A13-1250 Brand: Eaton MPN: MT3350T UPC: 782114350423 Shipping Weight: 2.60 lbs. Shipping Height: 6.00 In. Shipping Length: 9.00 In. Shipping Width: 6.00 In...- SKU:
- A13-1250
- Adjustment:
- Magnetic Trip
- Approval:
- UL 489
- Approval:
- CSA C22.2
- Approval:
- CE
- Amps:
- 350 A
- Frame:
- M
- Poles:
- 3
- Type:
- Thermal Magnetic
- Specification/Technical:
- Eaton_62029_1_2_SPEC.pdf
- Current Rating:
- 350 A
- Catalog:
- EatonCorp-CutlerHammer_00123_V4T2_254_V4T2_255_V4T2_349-V4T2_359_V4T2_485_CAT.pdf
- Number of Poles:
- 3
- Frame Type:
- M
- Country of Origin:
- United States
- Short Description:
- EATON MOLDED CASE CIRCUIT BREAKER ACCESSORY TRIP UNIT, TRIP UNIT, 350 A, THREE-P
MSRP $4,993.00Surplus $1,396.50 -
Eaton MT3600T Trip Units MT 3P 600A 600V 50/60Hz
MSRP $4,993.00Surplus $1,611.96SKU: A13-1233 Brand: Eaton MPN: MT3600T UPC: 782114350157 Shipping Weight: 2.80 lbs. Shipping Height: 6.00 In. Shipping Length: 9.00 In. Shipping Width: 6.00 In...- SKU:
- A13-1233
- Type:
- Thermal Magnetic
- Approval:
- UL 489
- Approval:
- CSA C22.2
- Approval:
- CE
- Amps:
- 600 A
- Poles:
- 3
- Frame Type:
- M
- Adjustment:
- Magnetic Trip
- Catalog:
- EatonCorp-CutlerHammer_00123_V4T2_254_V4T2_255_V4T2_349-V4T2_359_V4T2_485_CAT.pdf
- Number of Poles:
- 3
- Current Rating:
- 600 A
- Country of Origin:
- United States
MSRP $4,993.00Surplus $1,611.96 -
Eaton MTRMMNT Circuit Breaker Accessories Terminal Mounting Kit
MSRP $300.00Surplus $30.56Eaton MTRMMNT Circuit Breaker Accessories Terminal Mounting Kit​ ARCA SKU: C15-4297 Brand: Eaton MPN: MTRMMNT UPC: 821146346124 Shipping Weight: 2.25 Shipping Height: 5.00 In. Shipping...- SKU:
- C15-4297
- Type:
- Terminal Mounting Kit
MSRP $300.00Surplus $30.56 -
Eaton MUBHS332 Circuit Breaker Accessories Universal Bus Adapter Kit 3P 3200A
MSRP $924.00Surplus $231.43SKU: C15-4831 Brand: Eaton MPN: MUBHS332 UPC: 786685493077 Shipping Weight: 5.20 lbs. Shipping Height: 6.00 In. Shipping Length: 11.00 In. Shipping Width: 7.00 In...- SKU:
- C15-4831
- Amps:
- 3200 A
- Poles:
- 3
- Short Description:
- EATON MAGNUM ADAPTER KIT, THREE-POLE, STANDARD FRAME, UNIVERSAL INTERRUPT, UP TO
- Country of Origin:
- United States
MSRP $924.00Surplus $231.43 -
Eaton MVADP16 Circuit Breaker Accessories
MSRP $1,106.00Surplus $234.65SKU: C15-9356 Brand: Eaton MPN: MVADP16 UPC: Shipping Weight: 7.45 lbs. Shipping Height: 6.00 In. Shipping Length: 11.00 In. Shipping Width: 7.00 In. Product...- SKU:
- C15-9356
- TS PIK:
- 120135627
- Country of Origin:
- United States
- Short Description:
- EATON MAGNUM ADAPTER KIT, THREE-POLE, STANDARD FRAME, UP TO 65 kAIC, UP TO 1600A
MSRP $1,106.00Surplus $234.65 -
Eaton MVADPF32 Circuit Breaker Accessories
MSRP $3,116.75Surplus $852.58SKU: C15-9601 Brand: Eaton MPN: MVADPF32 UPC: 78211486896 Shipping Weight: 29.10 lbs. Shipping Height: 8.00 In. Shipping Length: 14.00 In. Shipping Width: 9.00 In...- SKU:
- C15-9601
- TS PIK:
- 121861124
- Short Description:
- EATON MAGNUM ADAPTER KIT, THREE-POLE, STANDARD FRAME, UNIVERSAL INTERRUPT, UP TO
- Country of Origin:
- United States
MSRP $3,116.75Surplus $852.58 -
Eaton N1-125 Molded Case Breakers (MCCBs) 3P 125A 690V 50/60Hz 3Ph
MSRP $600.00Surplus $119.41Eaton N1-125 Molded Case Breakers (MCCBs) 3P 125A 690V 50/60Hz 3Ph​ ARCA SKU: C15-4658 Brand: Eaton MPN: N1-125 UPC: Shipping Weight: 1.80 Shipping Height: 4.00 In. Shipping...- SKU:
- C15-4658
- Voltage Rating:
- 690 V
- Current Rating:
- 125 A
- Number of Poles:
- 3
- Short Description:
- Eaton Moeller series NZM - Molded Case Circuit Breaker. Switch-disconnector 3p 125A BG1
- Series:
- NZM
MSRP $600.00Surplus $119.41 -
Eaton NBDC31200MW Molded Case Breakers (MCCBs)
MSRP $7,200.00Surplus $4,339.37SKU: C15-11784 Brand: Eaton MPN: NBDC31200MW UPC: 786679558027 Shipping Weight: 50.00 lbs. Shipping Height: 3.00 In. Shipping Length: 12.00 In. Shipping Width: 12.00...- SKU:
- C15-11784
MSRP $7,200.00Surplus $4,339.37 -
Eaton NGH308032E Molded Case Breakers (MCCBs)
MSRP $21,516.58Surplus $5,228.32SKU: C15-9271 Brand: Eaton MPN: NGH308032E UPC: Shipping Weight: 40.50 lbs. Shipping Height: 8.00 In. Shipping Length: 16.00 In. Shipping Width: 9.00 In. Product...- SKU:
- C15-9271
- Country of Origin:
- United States
- TS PIK:
- 123516267
MSRP $21,516.58Surplus $5,228.32 -
Eaton NGH312032E Molded Case Breakers (MCCBs) NGH 3P 1200A 600V 50/60Hz 3Ph N Frame
MSRP $27,162.43Surplus $6,721.60SKU: C15-4959 Brand: Eaton MPN: NGH312032E UPC: 78668537922 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-4959
- Number of Poles:
- 3
- Short Description:
- 690 VAC 50/60 Hz, 1200 A, 65 kA, 3-Pole, Imperial Tapped Line/Load Terminal, NGH Frame, DigiTrip 310 RMS LSI Electronic Trip, Molded Case Circuit Breaker
- Type:
- Molded Case, Electronic
- Series:
- G
- Installation/Operator:
- Eaton_00493_INST.pdf
- Current Rating:
- 1200 A
- Voltage Rating:
- 690 VAC
- Maximum AC Voltage Rating:
- 690 VAC
- Interrupting Rating:
- 65 kA at 480 VAC
- Catalog:
- Eaton_46579_V4T2_203-V4T2_211_CAT.pdf
- Terminal Type:
- Line and Load Terminal
- Size:
- 5.5 Inch Width x 8.25 Inch Depth x 16 Inch Height
- Frame Type:
- NG
- Country of Origin:
- United States
MSRP $27,162.43Surplus $6,721.60 -
Eaton NGH312033E Molded Case Breakers (MCCBs) NGH 3P 1200A 600V 50/60Hz 3Ph N Frame
MSRP $22,780.00Surplus $11,237.17SKU: C15-3850 Brand: Eaton MPN: NGH312033E UPC: 786685379241 Shipping Weight: 46.90 lbs. Shipping Height: 11.00 In. Shipping Length: 19.00 In. Shipping Width: 12.00...- SKU:
- C15-3850
- Approval:
- UL 489
- Approval:
- CSA C22.2
- Approval:
- CE
- Amps:
- 1200 A
- Frame:
- NG
- Interrupting Rating:
- 100 kA at 240 VAC (UL)
- Interrupting Rating:
- 100 Kiloamp at 220 to 240 Volt AC
- Interrupting Rating:
- 70 Kiloamp at 380 to 415 Volt AC
- Interrupting Rating:
- 65 Kiloamp at 480 Volt AC
- Interrupting Rating:
- 35 Kiloamp at 600 Volt AC
- Interrupting Rating:
- 25 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 LS
- Volts:
- 240/415/480/600/690 VAC 50/60 Hertz
- TS PIK:
- 123516277
- Number of Poles:
- 3
- Short Description:
- EATON SERIES G ELECTRONIC MOLDED CASE CIRCUIT BREAKER, NG-FRAME, NG, DIGITRIP 31
- Maximum AC Voltage Rating:
- 690 V
- Frame Type:
- NG
- Current Rating:
- 1200 A
- Installation/Operator:
- Eaton_00493_INST.pdf
- Voltage Rating:
- 240/415/480/600/690 VAC 50/60 Hertz
- Catalog:
- EatonCorp-CutlerHammer_00123_V4T2_142-V4T2_144_V4T2_203-V4T2_211_CAT.pdf
- Country of Origin:
- United States
- Series:
- NGH
MSRP $22,780.00Surplus $11,237.17 -
Eaton NGH312038E Molded Case Breakers (MCCBs) NGH 3P 1200A 600V 50/60Hz 3Ph N Frame
MSRP $35,092.06Surplus $18,294.25SKU: C15-3857 Brand: Eaton MPN: NGH312038E UPC: 786685475608 Shipping Weight: 45.45 lbs. Shipping Height: 8.00 In. Shipping Length: 17.00 In. Shipping Width: 9.00 In...- SKU:
- C15-3857
- Frame Type:
- NG
- Voltage Rating:
- 600 V
- Current Rating:
- 1200 A
- Number of Poles:
- 3
- Interrupting Rating:
- 100 kA at 240 Vac 65 kA at 480 Vac
- Short Description:
- NGH 3 POLE 1200 A LSI WITH ARMS_ ENGLISH CONDUCTORS
MSRP $35,092.06Surplus $18,294.25
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