
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 RP6S30A250 Circuit Breaker Accessories EA
MSRP $360.00Surplus $122.04Eaton RP6S30A250 Circuit Breaker Accessories EA​ ARCA SKU: C15-9452 Brand: Eaton MPN: RP6S30A250 UPC: Shipping Weight: 0.05 lbs. Shipping Height: 2.00 In. Shipping...- SKU:
- C15-9452
MSRP $360.00Surplus $122.04 -
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Eaton RP6S40A300 Circuit Breaker Accessories EA
MSRP $600.00Surplus $115.75Eaton RP6S40A300 Circuit Breaker Accessories EA​ ARCA SKU: C15-9454 Brand: Eaton MPN: RP6S40A300 UPC: Shipping Weight: 0.05 lbs. Shipping Height: 2.00 In. Shipping...- SKU:
- C15-9454
MSRP $600.00Surplus $115.75 -
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Eaton RT320039 Trip Units RT 2000A
MSRP $23,800.00Surplus $11,393.60SKU: A13-1227 Brand: Eaton MPN: RT320039 UPC: 786685864617 Shipping Weight: 0.85 lbs. Shipping Height: 5.00 In. Shipping Length: 4.00 In. Shipping Width: 4.00 In...- SKU:
- A13-1227
- Short Description:
- EATON MOLDED CASE CIRCUIT BREAKER ACCESSORY TRIP UNIT, TRIP UNIT, 2000 A, 310+ T
- Amps:
- 2000 A
- Type:
- RT
MSRP $23,800.00Surplus $11,393.60 -
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Eaton S52LSI Trip Unit/UVR/Shunt Trip Accessories Digtrip RMS 510
MSRP $4,300.00Surplus $1,043.14SKU: A13-1305 Brand: Eaton MPN: S52LSI UPC: Shipping Weight: 1.40 lbs. Shipping Height: 5.00 In. Shipping Length: 11.00 In. Shipping Width: 7.00 In. Product...- SKU:
- A13-1305
- Type:
- Digitrip RMS Trip Unit
- Used On:
- Power Circuit Breaker
- Short Description:
- LSI Trip, Digitrip RMS Trip Unit for DS/SPB Power Circuit Breaker
MSRP $4,300.00Surplus $1,043.14 -
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Eaton S86LSIG Trip Units EA
MSRP $5,562.00Surplus $2,002.32SKU: A13-1537 Brand: Eaton MPN: S86LSIG UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- A13-1537
MSRP $5,562.00Surplus $2,002.32 -
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Eaton SBK2 Circuit Breaker Accessories
MSRP $1,907.02Surplus $498.15SKU: C15-11227 Brand: Eaton MPN: SBK2 UPC: 78667955002 Shipping Weight: 0.90 lbs. Shipping Height: 4.00 In. Shipping Length: 4.00 In. Shipping Width: 6.00 In...- SKU:
- C15-11227
- TS PIK:
- 107004545
MSRP $1,907.02Surplus $498.15 -
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Eaton SBNC4N Air Circuit Breakers (ACBs) 3P 4000A 635V 50/60Hz
MSRP $29,500.00Surplus $11,721.74SKU: C15-4422 Brand: Eaton MPN: SBNC4N UPC: Shipping Weight: 195.00 lbs. Shipping Height: 22.00 In. Shipping Length: 30.00 In. Shipping Width: 22.00 In. Product...- SKU:
- C15-4422
MSRP $29,500.00Surplus $11,721.74 -
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Eaton SBNC4N3HEA401CCMNN4YNAMFX Molded Case Breakers (MCCBs) SBNC 3P 4000A 635V 50/60Hz 3Ph
MSRP $29,500.00Surplus $6,082.35SKU: C15-4423 Brand: Eaton MPN: SBNC4N3HEA401CCMNN4YNAMFX UPC: Shipping Weight: 195.00 lbs. Shipping Height: 24.00 In. Shipping Length: 29.00 In. Shipping Width: 21...- SKU:
- C15-4423
- Volts:
- 635 V
- Amps:
- 4000 A
- Poles:
- 3
- Frequency Rating:
- 50/60 Hz
MSRP $29,500.00Surplus $6,082.35 -
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Eaton SBNC4N3LEA401GANAN4YNNNAX Molded Case Breakers (MCCBs) SBNC 3P 4000A 635V 50/60Hz 3Ph
MSRP $55,000.00Surplus $11,702.94SKU: C15-4269 Brand: Eaton MPN: SBNC4N3LEA401GANAN4YNNNAX UPC: Shipping Weight: 245.00 lbs. Shipping Height: 23.00 In. Shipping Length: 29.00 In. Shipping Width: 21...- SKU:
- C15-4269
- Frame Type:
- Magnum
- Voltage Rating:
- 635 V
- Current Rating:
- 4000 A
- Number of Poles:
- 3
- Short Description:
- SBNC 3P 4000A 635V 50/60Hz 3Ph
MSRP $55,000.00Surplus $11,702.94 -
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Eaton SBS6083WEA081CNMNN4ENNMAX Molded Case Breakers (MCCBs) SBS 3P 800A 240V 50/60Hz 3Ph
MSRP $17,500.00Surplus $4,088.24SKU: C15-4266 Brand: Eaton MPN: SBS6083WEA081CNMNN4ENNMAX UPC: Shipping Weight: 160.00 lbs. Shipping Height: 23.00 In. Shipping Length: 21.00 In. Shipping Width: 20...- SKU:
- C15-4266
- Frame Type:
- Magnum
- Voltage Rating:
- 240 V
- Current Rating:
- 800 A
- Number of Poles:
- 3
- Short Description:
- SBS 3P 800A 240V 50/60Hz 3Ph
MSRP $17,500.00Surplus $4,088.24 -
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Eaton SBS6163VEA161CBNAN6YPNNBX Molded Case Breakers (MCCBs) SBS 3P 1600A 240V 50/60Hz 3Ph
MSRP $27,500.00Surplus $5,692.65SKU: C15-2129 Brand: Eaton MPN: SBS6163VEA161CBNAN6YPNNBX UPC: Shipping Weight: 154.00 lbs. Shipping Height: 24.00 In. Shipping Length: 21.00 In. Shipping Width: 21...- SKU:
- C15-2129
- Frame Type:
- Magnum
- Voltage Rating:
- 240 VAC
- Current Rating:
- 1600 A
- Number of Poles:
- 3
- Short Description:
- SBS 3P 1600A 240V 50/60Hz 3Ph
MSRP $27,500.00Surplus $5,692.65 -
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Eaton SBS6163WEA161GANAN4YNNNAX Molded Case Breakers (MCCBs) SBS 3P 1600A 240V 50/60Hz 3Ph
MSRP $30,000.00Surplus $6,176.47SKU: C15-2242 Brand: Eaton MPN: SBS6163WEA161GANAN4YNNNAX UPC: Shipping Weight: 166.00 lbs. Shipping Height: 22.00 In. Shipping Length: 22.00 In. Shipping Width: 21...- SKU:
- C15-2242
- Frame Type:
- Magnum
- Voltage Rating:
- 240 V
- Current Rating:
- 1600 A
- Number of Poles:
- 3
- Short Description:
- SBS 3P 1600A 240V 50/60Hz 3Ph
MSRP $30,000.00Surplus $6,176.47 -
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Eaton SBS6163WEA161GANAN5YNANAX Molded Case Breakers (MCCBs) SBS 3P 1600A 240V 50/60Hz 3Ph
MSRP $30,000.00Surplus $6,282.35SKU: C15-2239 Brand: Eaton MPN: SBS6163WEA161GANAN5YNANAX UPC: Shipping Weight: 185.00 lbs. Shipping Height: 21.00 In. Shipping Length: 24.00 In. Shipping Width: 20...- SKU:
- C15-2239
- Frame Type:
- Magnum
- Voltage Rating:
- 240 V
- Current Rating:
- 1600 A
- Number of Poles:
- 3
- Short Description:
- SBS 3P 1600A 240V 50/60Hz 3Ph
MSRP $30,000.00Surplus $6,282.35 -
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Eaton SBS6203HEA20CMANAN4ENNNFX Molded Case Breakers (MCCBs) SBS 3P 2000A 240V 50/60Hz 3Ph
MSRP $37,915.00Surplus $13,649.40SKU: C15-2240 Brand: Eaton MPN: SBS6203HEA20CMANAN4ENNNFX UPC: Shipping Weight: 134.00 lbs. Shipping Height: 21.00 In. Shipping Length: 21.00 In. Shipping Width: 20...- SKU:
- C15-2240
- Frame Type:
- Magnum
- Voltage Rating:
- 240 V
- Current Rating:
- 2000 A
- Number of Poles:
- 3
- Short Description:
- SBS 3P 2000A 240V 50/60Hz 3Ph
MSRP $37,915.00Surplus $13,649.40 -
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Eaton SBS6203HEA20CMNMNN4ENNNFX Molded Case Breakers (MCCBs) SBS 3P 2000A 240V 50/60Hz 3Ph
MSRP $25,000.00Surplus $6,029.41SKU: C15-4268 Brand: Eaton MPN: SBS6203HEA20CMNMNN4ENNNFX UPC: Shipping Weight: 135.00 lbs. Shipping Height: 23.00 In. Shipping Length: 21.00 In. Shipping Width: 20...- SKU:
- C15-4268
- Frame Type:
- Magnum
- Voltage Rating:
- 240 V
- Current Rating:
- 2000 A
- Number of Poles:
- 3
- Short Description:
- SBS 3P 2000A 240V 50/60Hz 3Ph
MSRP $25,000.00Surplus $6,029.41 -
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Eaton SBS6204WEA-201CA-NAN6Y-NNMAX Molded Case Breakers (MCCBs) EA
MSRP $1,200.00Surplus $349.02SKU: C15-11011 Brand: Eaton MPN: SBS6204WEA-201CA-NAN6Y-NNMAX UPC: Shipping Weight: 217.00 lbs. Shipping Height: 22.00 In. Shipping Length: 25.00 In. Shipping...- SKU:
- C15-11011
MSRP $1,200.00Surplus $349.02 -
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Eaton SBS6253HEA25CMAMNN4YNNNFX Molded Case Breakers (MCCBs) SBS 3P 2500A 240V 50/60Hz 3Ph
MSRP $28,000.00Surplus $6,858.82SKU: C15-4263 Brand: Eaton MPN: SBS6253HEA25CMAMNN4YNNNFX UPC: Shipping Weight: 153.00 lbs. Shipping Height: 25.00 In. Shipping Length: 21.00 In. Shipping Width: 20...- SKU:
- C15-4263
- Frame Type:
- Magnum
- Voltage Rating:
- 240 V
- Current Rating:
- 2500 A
- Number of Poles:
- 3
- Short Description:
- SBS 3P 2500A 240V 50/60Hz 3Ph
MSRP $28,000.00Surplus $6,858.82 -
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Eaton SBS6303VEA301CBNAN6YPNMBX Molded Case Breakers (MCCBs) SBS 3P 3000A 120V 50/60Hz 3Ph
MSRP $37,900.00Surplus $7,928.24SKU: C15-2127 Brand: Eaton MPN: SBS6303VEA301CBNAN6YPNMBX UPC: Shipping Weight: 188.00 lbs. Shipping Height: 24.00 In. Shipping Length: 21.00 In. Shipping Width: 21...- SKU:
- C15-2127
- Frame Type:
- Magnum
- Voltage Rating:
- 120 VAC
- Current Rating:
- 3000 A
- Number of Poles:
- 3
- Short Description:
- SBS 3P 3000A 120V 50/60Hz 3Ph
MSRP $37,900.00Surplus $7,928.24 -
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Eaton SBS6303VEA301CBNAN6YPNNBX Molded Case Breakers (MCCBs) SBS 3P 3000A 240V 50/60Hz 3Ph
MSRP $37,900.00Surplus $13,644.00SKU: C15-2241 Brand: Eaton MPN: SBS6303VEA301CBNAN6YPNNBX UPC: Shipping Weight: 176.00 lbs. Shipping Height: 21.00 In. Shipping Length: 21.00 In. Shipping Width: 20...- SKU:
- C15-2241
- Frame Type:
- Magnum
- Voltage Rating:
- 240 V
- Current Rating:
- 3000 A
- Number of Poles:
- 3
- Short Description:
- SBS 3P 3000A 240V 50/60Hz 3Ph
MSRP $37,900.00Surplus $13,644.00 -
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Eaton SBS6303WEA30CUNMNN4YMNNAX Molded Case Breakers (MCCBs) SBS 3P 3000A 240V 50/60Hz 3Ph
MSRP $37,900.00Surplus $13,644.00SKU: C15-1988 Brand: Eaton MPN: SBS6303WEA30CUNMNN4YMNNAX UPC: Shipping Weight: 95.00 lbs. Shipping Height: 20.00 In. Shipping Length: 20.00 In. Shipping Width: 20...- SKU:
- C15-1988
- Frame Type:
- SB
- Voltage Rating:
- 240 V
- Current Rating:
- 3000 A
- Number of Poles:
- 3
- Short Description:
- Eaton Magnum SB SBS630 Breaker (M/O,D/O), 3000 A
MSRP $37,900.00Surplus $13,644.00
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.