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 MCOUNT Circuit Breaker Accessories Operations Counter Field Option Kit
MSRP $496.00Surplus $221.71Eaton MCOUNT Circuit Breaker Accessories Operations Counter Field Option Kit​ ARCA SKU: C15-3018 Brand: Eaton MPN: MCOUNT UPC: 782114631096 Shipping Weight: 0.55 Shipping Height: 3.00 In...- SKU:
- C15-3018
- Type:
- Mechanical Counter
- Used On:
- Model Magnum DS
- Used On:
- SB
- Used On:
- and IEC Low Voltage Power Circuit Breaker
- Short Description:
- Universal Frame, Mechanical
- Catalog:
- Eaton_24475_63_CAT.pdf
MSRP $496.00Surplus $221.71 -
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Eaton MCOVCOFF Circuit Breaker Accessories Metal Frame Kit
MSRP $316.00Surplus $285.97SKU: C15-2446 Brand: Eaton MPN: MCOVCOFF UPC: 782116345465 Shipping Weight: 0.70 lbs. Shipping Height: 3.00 In. Shipping Length: 8.00 In. Shipping Width: 5.50 In...- SKU:
- C15-2446
- Short Description:
- EATON MAGNUM COVER, UNIVERSAL, MAGNUM, UNIVERSAL, FOR: PUSHBUTTONS
MSRP $316.00Surplus $285.97 -
Eaton MCP23480CR Other Circuit Breakers
MSRP $2,731.00Surplus $1,565.62SKU: C15-6825 Brand: Eaton MPN: MCP23480CR UPC: Shipping Weight: 4.50 lbs. Shipping Height: 5.00 In. Shipping Length: 8.00 In. Shipping Width: 6.00 In. Product...- SKU:
- C15-6825
MSRP $2,731.00Surplus $1,565.62 -
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Eaton MD4CS Circuit Breaker Accessories EA
MSRP $959.00Surplus $565.34SKU: C15-9386 Brand: Eaton MPN: MD4CS UPC: 78211462495 Shipping Weight: 1.20 lbs. Shipping Height: 4.00 In. Shipping Length: 8.00 In. Shipping Width: 6.00 In...- SKU:
- C15-9386
- TS PIK:
- 119836575
MSRP $959.00Surplus $565.34 -
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Eaton MDL2800 Molded Case Breakers (MCCBs) MDL 2P 800A 600V 50/60Hz 2Ph M Frame
MSRP $9,625.00Surplus $3,359.93SKU: C15-3027 Brand: Eaton MPN: MDL2800 UPC: 782114585849 Shipping Weight: 21.85 lbs. Shipping Height: 6.00 In. Shipping Length: 16.00 In. Shipping Width: 9.00 In...- SKU:
- C15-3027
- Approval:
- UL 489
- Approval:
- CSA C22.2
- Approval:
- CE
- Amps:
- 800 A
- Frame:
- MD
- Interrupting Rating:
- 65 kA at 240 V AC
- Interrupting Rating:
- 50 Kiloamp at 480 Volt AC
- Interrupting Rating:
- 25 Kiloamp at 600 Volt AC
- Interrupting Rating:
- 22 Kiloamp at 250 Volt DC (UL/CSA)
- Interrupting Rating:
- 65/65 Kiloamp at 240 Volt AC
- Interrupting Rating:
- 50/50 Kiloamp at 415 Volt AC
- Interrupting Rating:
- 20/10 Kiloamp at 690 Volt AC
- Interrupting Rating:
- 20/10 Kiloamp at 250 Volt DC (IEC)
- Maximum AC Voltage:
- 600 V
- Maximum DC Voltage:
- 250 V
- Poles:
- 2
- Size:
- 8.25 Inch Width x 4.06 Inch Depth x 16 Inch Height
- Terminal Type:
- Aluminum Standard Pressure Line and Load
- Type:
- Thermal Magnetic
- Type:
- Standard Interrupting Capacity
- Type:
- Molded Case
- Volts:
- 600 VAC 50/60 Hertz
- Volts:
- 250 VDC
- TS PIK:
- 115841475
- Installation/Operator:
- Eaton_00237_INST.pdf
- Frame Type:
- MD
- Short Description:
- EATON SERIES C COMPLETE MOLDED CASE CIRCUIT BREAKER, MDL-FRAME, MDL, COMPLETE BR
- Number of Poles:
- 2
- Catalog:
- EatonCorp-CutlerHammer_00123_V4T2_254_V4T2_255_V4T2_258_V4T2_349-V4T2_359_CAT.pdf
- Maximum DC Voltage Rating:
- 250 V
- Voltage Rating:
- 600 V AC 50/60 Hertz, 250 V DC
- Current Rating:
- 800 A
- Maximum AC Voltage Rating:
- 600 V
MSRP $9,625.00Surplus $3,359.93 -
Eaton MDL3800 Molded Case Breakers (MCCBs) MDL 3P 800A 240V 50/60Hz 3Ph M Frame EA
MSRP $13,140.22Surplus $3,505.61SKU: C15-1819 Brand: Eaton MPN: MDL3800 UPC: 782114586006 Shipping Weight: 30.00 lbs. Shipping Height: 8.00 In. Shipping Length: 18.00 In. Shipping Width: 11.00 In...- SKU:
- C15-1819
- Frame Type:
- MDL
- Voltage Rating:
- 600 VAC
- Current Rating:
- 800 A
- Number of Poles:
- 3
- Interrupting Rating:
- 50 kA at 480 VAC
- Type:
- Line and Load Terminal
- Maximum AC Voltage Rating:
- 600 VAC
- Terminal Type:
- Line and Load Terminal
- Size:
- 8.25 Inch Width x 4.06 Inch Depth x 16 Inch Height
- Short Description:
- 600 VAC 50/60 Hz, 800 A, 50 kA, 3-Pole, MDL Frame, Thermal Magnetic, Molded Case, Interchangeable Trip Circuit Breaker
- Catalog:
- Eaton_27487_V4T2_254_V4T2_255_V4T2_349-V4T2_351_CAT.pdf
- Installation/Operator:
- Eaton_00237_INST.pdf
- Specification/Technical:
- Eaton_39889_1_2_SPEC.pdf
- Series:
- C
- Maximum DC Voltage Rating:
- 250 V
- Approval:
- UL 489, CSA C22.2,CE
MSRP $13,140.22Surplus $3,505.61 -
Eaton MDL3800WK Molded Case Breakers (MCCBs)
MSRP $17,861.00Surplus $3,857.16SKU: U00-8349 Brand: Eaton MPN: MDL3800WK UPC: 78211441543 Shipping Weight: 26.00 lbs. Shipping Height: 9.00 In. Shipping Length: 22.00 In. Shipping Width: 10.00 In...- SKU:
- U00-8349
- Country of Origin:
- United States
MSRP $17,861.00Surplus $3,857.16 -
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 -
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Eaton MDS6123HEA101GANAN4ENNNFX Molded Case Breakers (MCCBs) MDS 3P 1200A 600V 50/60Hz 3Ph M Frame
MSRP $15,000.00Surplus $3,352.94SKU: C15-4265 Brand: Eaton MPN: MDS6123HEA101GANAN4ENNNFX UPC: Shipping Weight: 142.00 lbs. Shipping Height: 23.00 In. Shipping Length: 21.00 In. Shipping Width: 20...- SKU:
- C15-4265
- Frame Type:
- M
- Voltage Rating:
- 600 V
- Current Rating:
- 1200 A
- Number of Poles:
- 3
- Short Description:
- MDS 3P 1200A 600V 50/60Hz 3Ph M Frame
MSRP $15,000.00Surplus $3,352.94 -
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Eaton MDS6203WEANNNNANANNENNNAX Molded Case Breakers (MCCBs) MDS 3P 2000A 600V 50/60Hz 3Ph M Frame
MSRP $20,000.00Surplus $4,108.82SKU: C15-4271 Brand: Eaton MPN: MDS6203WEANNNNANANNENNNAX UPC: Shipping Weight: 161.00 lbs. Shipping Height: 22.00 In. Shipping Length: 21.00 In. Shipping Width: 20...- SKU:
- C15-4271
- Frame Type:
- M
- Voltage Rating:
- 600 V
- Current Rating:
- 2000 A
- Number of Poles:
- 3
- Short Description:
- MDS 3P 2000A 600V 50/60Hz 3Ph M Frame
MSRP $20,000.00Surplus $4,108.82 -
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Eaton MDS6253WEA25CMNMNNNENNNPX-1 Molded Case Breakers (MCCBs) MDS 3P 2500A 635V 50/60Hz 3Ph M Frame
MSRP $20,000.00Surplus $4,732.22SKU: C15-4281 Brand: Eaton MPN: MDS6253WEA25CMNMNNNENNNPX-1 UPC: Shipping Weight: 376.00 lbs. Shipping Height: 28.00 In. Shipping Length: 31.00 In. Shipping...- SKU:
- C15-4281
- Frame Type:
- M
- Voltage Rating:
- 635 V
- Current Rating:
- 2500 A
- Number of Poles:
- 3
- Short Description:
- MDS 3P 2500A 635V 50/60Hz 3Ph M Frame
MSRP $20,000.00Surplus $4,732.22 -
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Eaton MDSL083WEL06CMNMNN4ENNNPX Molded Case Breakers (MCCBs) MDSL 3P 800A 600V 50/60Hz 3Ph M Frame
MSRP $9,000.00Surplus $1,830.18SKU: C15-4336 Brand: Eaton MPN: MDSL083WEL06CMNMNN4ENNNPX UPC: Shipping Weight: 234.00 lbs. Shipping Height: 16.00 In. Shipping Length: 21.00 In. Shipping Width: 17...- SKU:
- C15-4336
- Frame Type:
- M
- Voltage Rating:
- 600 V
- Current Rating:
- 800 A
- Number of Poles:
- 3
- Short Description:
- MDSL 3P 800A 600V 50/60Hz 3Ph M Frame
MSRP $9,000.00Surplus $1,830.18 -
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Eaton MES3800LSG Molded Case Breakers (MCCBs)
MSRP $15,851.46Surplus $4,256.00SKU: C15-9551 Brand: Eaton MPN: MES3800LSG UPC: 78211437137 Shipping Weight: 4.45 lbs. Shipping Height: 6.00 In. Shipping Length: 9.00 In. Shipping Width: 6.00 In...- SKU:
- C15-9551
- TS PIK:
- 115512165
MSRP $15,851.46Surplus $4,256.00 -
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 -
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Eaton MI2DC Circuit Breaker Accessories Mechanical Interlock Universal
MSRP $2,300.00Surplus $923.95SKU: C15-2383 Brand: Eaton MPN: MI2DC UPC: 782116159239 Shipping Weight: 4.23 lbs. Shipping Height: 6.00 In. Shipping Length: 15.50 In. Shipping Width: 10.25 In...- SKU:
- C15-2383
- Frame:
- Universal
- Short Description:
- EATON MAGNUM MECHANICAL INTERLOCK, DRAWOUT BREAKER, UNIVERSAL FRAME, TWO-WAY CAB
MSRP $2,300.00Surplus $923.95 -
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Eaton MI32DC Circuit Breaker Accessories Mechanical Interlock Kit Universal Cable Type 32
MSRP $1,639.00Surplus $639.98SKU: C15-2382 Brand: Eaton MPN: MI32DC UPC: 782114864975 Shipping Weight: 5.35 lbs. Shipping Height: 5.00 In. Shipping Length: 10.00 In. Shipping Width: 12.00 In...- SKU:
- C15-2382
- Frame:
- Universal
- Short Description:
- EATON MAGNUM MECHANICAL INTERLOCK, DRAWOUT BREAKER, UNIVERSAL FRAME, THREE-WAY C
MSRP $1,639.00Surplus $639.98 -
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 -
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Eaton MLCS1 Circuit Breaker Accessories
MSRP $775.22Surplus $351.93SKU: C15-11235 Brand: Eaton MPN: MLCS1 UPC: 78211479967 Shipping Weight: 0.40 lbs. Shipping Height: 4.00 In. Shipping Length: 8.00 In. Shipping Width: 6.00 In...- SKU:
- C15-11235
- TS PIK:
- 124362160
MSRP $775.22Surplus $351.93 -
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Eaton mMCT-C100/4 Miniature Circuit Breakers (MCBs) 4P 100A 120/240V 50/60Hz 3Ph C Frame
MSRP $636.54Surplus $166.38Eaton mMCT-C100/4 Miniature Circuit Breakers (MCBs) 4P 100A 120/240V 50/60Hz 3Ph C Frame​ ARCA SKU: C15-1795 Brand: Eaton MPN: mMCT-C100/4 UPC: Shipping Weight: 2.05 Shipping Height: 3.00...- SKU:
- C15-1795
- Volts:
- 120/240 V
- Amps:
- 100 A
- Poles:
- 4
- Frequency Rating:
- 50/60 Hz
- Frame:
- C
MSRP $636.54Surplus $166.38
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