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
- Price
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Eaton MBE2040PV125BTS Molded Case Breakers (MCCBs)
MSRP $3,134.00Surplus $693.82SKU: U00-9938 Brand: Eaton MPN: MBE2040PV125BTS UPC: 78668575376 Shipping Weight: 48.00 lbs. Shipping Height: 15.00 In. Shipping Length: 36.00 In. Shipping Width: 7...- SKU:
- U00-9938
- TS PIK:
- 125268579
MSRP $3,134.00Surplus $693.82 -
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Eaton MCAM Circuit Breaker Accessories Communications Module Kit
MSRP $1,790.00Surplus $716.80SKU: C15-2400 Brand: Eaton MPN: MCAM UPC: 786685424125 Shipping Weight: 0.50 lbs. Shipping Height: 3.00 In. Shipping Length: 8.50 In. Shipping Width: 5.50 In...- SKU:
- C15-2400
- Short Description:
- EATON SERIES NRX COMMUNICATION MODULE COMM MODULE FOR MODBUS DIGITRIP NF/RF
MSRP $1,790.00Surplus $716.80 -
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Eaton MCBL300 Circuit Breaker Accessories
MSRP $140.00Surplus $61.34SKU: C15-3723 Brand: Eaton MPN: MCBL300 UPC: 782113099316 Shipping Weight: 0.10 lbs. Shipping Height: 2.00 In. Shipping Length: 7.00 In. Shipping Width: 5.00 In...- SKU:
- C15-3723
- Conductor Material:
- Copper/Aluminum
- Amps:
- 300 A
- Maximum Conductor Size:
- 300 KCMIL
- Minimum Conductor Size:
- 2 AWG
- Number of Conductors:
- 2
- Quantity:
- 1
- Used On:
- BW/BWH/CSR Series Main Breaker
- Short Description:
- 300 A, 2 AWG to 300 KCMIL, 2-Conductor, Aluminum, Circuit Breaker Terminal Kit
- Series:
- CH
- Specification/Technical:
- Eaton_39867_1_SPEC.pdf
- TS PIK:
- 111009832
- Catalog:
- Eaton_00001_V1T1_43_V1T1_92_CAT.pdf
- Type:
- Lug
- Country of Origin:
- Dominican Republic
MSRP $140.00Surplus $61.34 -
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Eaton MCBPL Circuit Breaker Accessories
MSRP $74.00Surplus $28.57Eaton MCBPL Circuit Breaker Accessories​ ARCA SKU: C15-1702 Brand: Eaton MPN: MCBPL UPC: 782113099309 Shipping Weight: 0.10 Shipping Height: 0.75 In. Shipping Length: 7.00 In...- SKU:
- C15-1702
- Locking Provision:
- ON/OFF
- Poles:
- 0
- Type:
- Padlockable
- Type:
- Escutcheon Mount
- Used On:
- BW/CSR Circuit Breaker
- Specification/Technical:
- Eaton_60637_1_SPEC.pdf
- Catalog:
- Eaton-CutlerHammer_00031_V1T1_43_V1T1_91_CAT.pdf
- Short Description:
- EATON HANDLE LOCKOFF,PADLOCK TO SECURE BREAKER HANDLE,HANDLE LOCKOFF FOR MAIN BR
MSRP $74.00Surplus $28.57 -
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Eaton MCCBBUCKETHANDLESLOT-1 Circuit Breaker Accessories
MSRP $6,500.00Surplus $1,265.05SKU: C15-4370 Brand: Eaton MPN: MCCBBUCKETHANDLESLOT-1 UPC: Shipping Weight: 88.55 lbs. Shipping Height: 13.00 In. Shipping Length: 37.00 In. Shipping Width: 25.00...- SKU:
- C15-4370
MSRP $6,500.00Surplus $1,265.05 -
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Eaton MCELLREJBK Circuit Breaker Accessories Cassette Rejection Kit Universal
MSRP $123.00Surplus $79.61Eaton MCELLREJBK Circuit Breaker Accessories Cassette Rejection Kit Universal​ ARCA SKU: C15-2445 Brand: Eaton MPN: MCELLREJBK UPC: 786685351476 Shipping Weight: 0.01 Shipping Height: 0.00...- SKU:
- C15-2445
- Frame:
- Universal
- Short Description:
- EATON MAGNUM OTHER ACCESSORIES, MAGNUM, UNIVERSAL, MCELLREJBK
MSRP $123.00Surplus $79.61 -
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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 $190.31SKU: 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 $190.31 -
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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 -
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Eaton MDL3400 Molded Case Breakers (MCCBs)
MSRP $4,236.00Surplus $2,840.05SKU: U00-8348 Brand: Eaton MPN: MDL3400 UPC: 78211458595 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- U00-8348
- Approval:
- UL
- Frame Type:
- MDL
- Interrupting Rating:
- 50 kA at 480 VAC
- Current Rating:
- 400 A
- Voltage Rating:
- 600 VAC at 50/60 Hz
- Type:
- Molded Case, Thermal Magnetic
- Number of Poles:
- 3
- Catalog:
- Eaton_27487_V4T2_254_V4T2_255_V4T2_349-V4T2_351_CAT.pdf
- Installation/Operator:
- Eaton_00237_INST.pdf
- Series:
- C
- Size:
- 8.25 Inch W x 4.06 Inch D x 16 Inch H
- Short Description:
- 600 VAC 50/60 Hz, 400 A, 50 kA, 3-Pole, MDL Frame, Thermal Magnetic, Molded Case, Interchangeable Trip Circuit Breaker
- Terminal Type:
- Aluminum/Copper Standard Pressure Line Terminal, Standard Pressure Load Terminal
- Maximum AC Voltage Rating:
- 600 VAC
MSRP $4,236.00Surplus $2,840.05 -
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Eaton MDL3500 Molded Case Breakers (MCCBs)
MSRP $9,762.00Surplus $2,635.74SKU: C15-16897 Brand: Eaton MPN: MDL3500 UPC: 78211458597 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-16897
- Number of Poles:
- 3
- Voltage Rating:
- 600 VAC 50/60 Hertz, 250 VDC
- Current Rating:
- 500 A
- Size:
- 8.25 Inch Width x 4.06 Inch Depth x 16 Inch Height
- Installation/Operator:
- Eaton_00237_INST.pdf
- Frame Type:
- MD
- Maximum AC Voltage Rating:
- 600 V
- Interrupting Rating:
- 65 kA at 240 VAC, 50 kA at 480 VAC, 25 kA at 600 VAC, 22 kA at 250 VDC (UL/CSA), 65/65 kA at 240 VAC, 50/50 kA at 415 VAC, 20/10 kA at 690 VAC, 20/10 kA at 250 VDC (IEC)
- Type:
- Thermal Magnetic, Standard Interrupting Capacity, Molded Case
- Short Description:
- EATON SERIES C COMPLETE MOLDED CASE CIRCUIT BREAKER, MDL-FRAME, MDL, COMPLETE BR
- Approval:
- UL 489, CSA C22.2, CE
- Maximum DC Voltage Rating:
- 250 V
- Catalog:
- EatonCorp-CutlerHammer_00123_V4T2_254_V4T2_255_V4T2_258_V4T2_349-V4T2_359_CAT.pdf
MSRP $9,762.00Surplus $2,635.74 -
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Eaton MDL3600 Molded Case Breakers (MCCBs)
MSRP $19,645.00Surplus $0.00SKU: C15-19204 Brand: Eaton MPN: MDL3600 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- C15-19204
- Number of Poles:
- 3
- Maximum AC Voltage Rating:
- 600 V
- Maximum DC Voltage Rating:
- 250 V
- Frame Type:
- M
- Series:
- C, MDL
- Size:
- 8.25 Inch Width x 4.06 Inch Depth x 16 Inch Height
- Interrupting Rating:
- 65 kA at 240 VAC, 50 kA at 480 VAC, 25 kA at 600 VAC (UL 489/CSA), 65 kA at 240 VAC, 50 kA at 415 VAC, 20 kA at 690 VAC (IEC 947-2), 22 kA at 250 VDC (UL 489/CSA), 20 kA at 250 VDC (IEC 947-2)
- Approval:
- UL 489, CSA C22.2,CE
- Voltage Rating:
- 240/480/600 VAC (UL 489/CSA), 240/480/690 VAC (IEC 947-2), 250 VDC (UL 489/CSA), 20 VDC (IEC 947-2)
- Installation/Operator:
- Eaton_00237_INST.pdf
- Catalog:
- Eaton_46579_V4T2_254_V4T2_255_V4T2_349-V4T2_359_CAT.pdf
- Short Description:
- 600 VAC 50/60 Hz, 250 VDC, 600 A, 50 kA, 3-Pole, MDL Frame, Interchangeable Trip, Thermal Magnetic, Molded Case Circuit Breaker with Terminal
- Type:
- Molded Case, Thermal Magnetic
- Current Rating:
- 600 A
MSRP $19,645.00Surplus $0.00 -
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Eaton MDL3700 Molded Case Breakers (MCCBs)
MSRP $6,720.00Surplus $1,088.64SKU: C15-19205 Brand: Eaton MPN: MDL3700 UPC: 78211458599 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-19205
- Interrupting Rating:
- 65 kA at 240 VAC, 50 kA at 480 VAC, 25 kA at 600 VAC, 22 kA at 250 VDC (UL/CSA), 65/65 kA at 240 VAC, 50/50 kA at 415 VAC, 20/10 kA at 690 VAC, 20/10 kA at 250 VDC (IEC)
- Number of Poles:
- 3
- Frame Type:
- MD
- Installation/Operator:
- Eaton_00237_INST.pdf
- Approval:
- UL 489, CSA C22.2, CE
- Current Rating:
- 700 A
- Type:
- Thermal Magnetic, Standard Interrupting Capacity, Molded Case
- Catalog:
- EatonCorp-CutlerHammer_00123_V4T2_254_V4T2_255_V4T2_258_V4T2_349-V4T2_359_CAT.pdf
- Terminal Type:
- Aluminum Standard Pressure Line and Load
- Size:
- 8.25 Inch Width x 4.06 Inch Depth x 16 Inch Height
- Maximum DC Voltage Rating:
- 250 V
- Voltage Rating:
- 600 VAC 50/60 Hertz, 250 VDC
- Short Description:
- EATON SERIES C COMPLETE MOLDED CASE CIRCUIT BREAKER, MDL-FRAME, MDL, COMPLETE BR
- Maximum AC Voltage Rating:
- 600 V
MSRP $6,720.00Surplus $1,088.64 -
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
- Country of Origin:
- United States
MSRP $13,140.22Surplus $3,505.61 -
Eaton MDL3800WK Molded Case Breakers (MCCBs)
MSRP $17,861.00Surplus $1,640.99SKU: 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
- Short Description:
- EATON SERIES C MOLDED CASE SWITCH, MDL-FRAME, MDL, MOLDED CASE SWITCH, FIXED THERMAL, FIXED MAGNETIC TRIP TYPE, THREE-POLE, 800A, 600 VAC, 250 VDC, 65 kAIC AT 240 VAC, 50 kAIC AT 480 VAC, WITHOUT TERMINALS, 50/60 HZ
MSRP $17,861.00Surplus $1,640.99 -
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
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.
