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.
-
Din Rail Mounted Circuit Breakers
-
Main Breakers
-
Miniature Circuit Breakers (MCBs)
-
Molded Case Breakers (MCCBs)
-
Motor Circuit Protector (MCPs)
-
Lug Terminal Kits
-
Auxiliary, Shunt, Trip Units and UVRs
-
Circuit Breaker Accessories
- Product
- Qty in Cart
- Price
-
Contact Us For Quote
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 -
Contact Us For Quote
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 -
Contact Us For Quote
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 -
Contact Us For Quote
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 -
Contact Us For Quote
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 -
Contact Us For Quote
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 -
Contact Us For Quote
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 -
Contact Us For Quote
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 -
Contact Us For Quote
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
- Type:
- RMS 310 Digitrip
- Series:
- C
- Short Description:
- 800 A, 3-Pole, LSG Frame, Ground Fault Protection, Electronic, Molded Case Circuit Breaker Trip Unit
- Catalog:
- Eaton_03771_V4T2_319_CAT.pdf
- Number of Poles:
- 3
- Frame Type:
- MDL, HMDL
- Current Rating:
- 600 A
- Adjustment:
- Long Delay Pickup, Short Delay Pickup, Ground Fault Pickup
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 -
Contact Us For Quote
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 -
Contact Us For Quote
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 -
Contact Us For Quote
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 -
Contact Us For Quote
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 -
Contact Us For Quote
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 -
Contact Us For Quote
Eaton MN203CADNNNNNNC Circuit Breaker Accessories 3P 800-2000A
MSRP $2,648.00Surplus $1,975.05SKU: C15-2128 Brand: Eaton MPN: MN203CADNNNNNNC UPC: 786685504087 Shipping Weight: 25.00 lbs. Shipping Height: 24.00 In. Shipping Length: 24.00 In. Shipping Width: 24...- SKU:
- C15-2128
- Amps:
- 800-2000 A
- Poles:
- 3
- Short Description:
- EATON MAGNUM LOW VOLTAGE POWER CIRCUIT BREAKER CASSETTE, THREE-POLE, STANDARD FR
MSRP $2,648.00Surplus $1,975.05
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.
