
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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Siemens NGB3B040B Miniature Circuit Breakers (MCBs) EA
MSRP $2,000.00Surplus $664.12SKU: C15-10513 Brand: Siemens MPN: NGB3B040B UPC: 78364341430 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-10513
- TS PIK:
- 121460478
- Country of Origin:
- Mexico
MSRP $2,000.00Surplus $664.12 -
Siemens NGB3B050B Miniature Circuit Breakers (MCBs)
MSRP $2,125.00Surplus $290.10SKU: C15-8484 Brand: Siemens MPN: NGB3B050B UPC: 78312609982 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-8484
- TS PIK:
- 21331993
- Series:
- NGB
- Type:
- Branch, Molded Case, Thermal and Fixed Magnetic
- Number of Poles:
- 3
- Short Description:
- 600 VAC Star/347 VAC, 50 A, 14 kA, 3-Pole, Molded Case, Branch, Thermal Magnetic, Panelboard Circuit Breaker
- Current Rating:
- 50 A
- Interrupting Rating:
- 100 kA at 240 VAC, 25 kA at 480 Star/347 VAC, 14 kA at 600 Star/347 VAC (UL)
- Voltage Rating:
- 240 VAC, 480 Star/347 VAC, 600 Star/347 VAC at 50/60 Hz (UL)
- Used On:
- P1/P2/P3/P4/P5 Panelboard
- Country of Origin:
- Mexico
MSRP $2,125.00Surplus $290.10 -
Siemens NGB3B070B Miniature Circuit Breakers (MCBs) EA
MSRP $2,400.00Surplus $882.27SKU: C15-10514 Brand: Siemens MPN: NGB3B070B UPC: 78364341434 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-10514
- TS PIK:
- 121460481
- Country of Origin:
- Mexico
MSRP $2,400.00Surplus $882.27 -
Siemens NGB3B080B Miniature Circuit Breakers (MCBs) EA
MSRP $2,400.00Surplus $781.45SKU: C15-10515 Brand: Siemens MPN: NGB3B080B UPC: 78364341435 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-10515
- TS PIK:
- 121449818
- Country of Origin:
- Mexico
MSRP $2,400.00Surplus $781.45 -
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Siemens NGB3B090 Miniature Circuit Breakers (MCBs)
MSRP $1,907.00Surplus $655.81SKU: C15-7493 Brand: Siemens MPN: NGB3B090 UPC: 78364355350 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-7493
- TS PIK:
- 121460696
- Short Description:
- BRKR NGB 90A 3P 480Y 25K NO LUG
MSRP $1,907.00Surplus $655.81 -
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Siemens NGB3B090B Miniature Circuit Breakers (MCBs)
MSRP $1,907.00Surplus $392.35SKU: C15-7628 Brand: Siemens MPN: NGB3B090B UPC: 78364341436 Shipping Weight: 2.65 lbs. Shipping Height: 5.00 In. Shipping Length: 3.00 In. Shipping Width: 2.71 In...- SKU:
- C15-7628
- Country of Origin:
- Mexico
MSRP $1,907.00Surplus $392.35 -
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Siemens NGB3B100 Miniature Circuit Breakers (MCBs) 3P 100A
MSRP $1,907.00Surplus $686.52Siemens NGB3B100 Miniature Circuit Breakers (MCBs) 3P 100A​ ARCA SKU: C15-7629 Brand: Siemens MPN: NGB3B100 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping...- SKU:
- C15-7629
MSRP $1,907.00Surplus $686.52 -
Siemens NGB3B100B Miniature Circuit Breakers (MCBs) EA
MSRP $2,400.00Surplus $761.54SKU: C15-10516 Brand: Siemens MPN: NGB3B100B UPC: 78364341437 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-10516
- TS PIK:
- 121460483
- Country of Origin:
- Mexico
MSRP $2,400.00Surplus $761.54 -
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Siemens NGB3B125 Miniature Circuit Breakers (MCBs) 3P 125A 600V 50/60Hz 3Ph
MSRP $2,780.00Surplus $881.64SKU: C15-2438 Brand: Siemens MPN: NGB3B125 UPC: 783643553538 Shipping Weight: 2.58 lbs. Shipping Height: 4.00 In. Shipping Length: 7.00 In. Shipping Width: 5.00 In...- SKU:
- C15-2438
- Series:
- NGB
- Type:
- Branch
- Type:
- Molded Case
- Type:
- Thermal and Fixed Magnetic
- Approval:
- UL 489
- Volts:
- 240 VAC
- Volts:
- 480 Star/347 VAC
- Volts:
- 600 Star/347 VAC at 50/60 Hz (UL)
- Amps:
- 32 A
- Used On:
- P1/P2/P3/P4/P5 Panelboard
- Poles:
- 3
- Interrupting Rating:
- 100 kA at 240 VAC
- Interrupting Rating:
- 25 kA at 480 Star/347 VAC
- Interrupting Rating:
- 14 kA at 600 Star/347 VAC (UL)
- Application:
- Lighting
- Application:
- Distribution
- Installation:
- Bolt-On
- Short Description:
- 240/480/600/347 VAC 50/60 Hz, 125/250 VDC, 125 A, 100 kA, 3-Pole, Molded Case, Thermal Magnetic Trip Unit
- Catalog:
- SiemensAG_01830_1-5_CAT.pdf
MSRP $2,780.00Surplus $881.64 -
Siemens NGB3B125B Miniature Circuit Breakers (MCBs) 3P 125A
MSRP $4,160.00Surplus $650.37SKU: C15-7630 Brand: Siemens MPN: NGB3B125B UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- C15-7630
- Country of Origin:
- Mexico
MSRP $4,160.00Surplus $650.37 -
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Siemens NMX3B800 Molded Case Breakers (MCCBs)
MSRP $22,103.00Surplus $5,960.56SKU: C15-7631 Brand: Siemens MPN: NMX3B800 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- C15-7631
MSRP $22,103.00Surplus $5,960.56 -
Siemens P115GFI Miniature Circuit Breakers (MCBs)
MSRP $450.00Surplus $67.40Siemens P115GFI Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-8787 Brand: Siemens MPN: P115GFI UPC: Shipping Weight: 0.35 lbs. Shipping Height: 2.00 In. Shipping...- SKU:
- C15-8787
- Number of Poles:
- 1
MSRP $450.00Surplus $67.40 -
Siemens P120A Miniature Circuit Breakers (MCBs)
MSRP $66.00Surplus $23.08Siemens P120A Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-8790 Brand: Siemens MPN: P120A UPC: Shipping Weight: 0.20 lbs. Shipping Height: 2.00 In. Shipping...- SKU:
- C15-8790
- Number of Poles:
- 1
MSRP $66.00Surplus $23.08 -
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Siemens P120X Miniature Circuit Breakers (MCBs)
MSRP $141.00Surplus $14.99Siemens P120X Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-8794 Brand: Siemens MPN: P120X UPC: Shipping Weight: 0.25 lbs. Shipping Height: 2.00 In. Shipping...- SKU:
- C15-8794
- Number of Poles:
- 1
MSRP $141.00Surplus $14.99 -
Siemens P130GF Miniature Circuit Breakers (MCBs)
MSRP $312.00Surplus $68.51Siemens P130GF Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-8792 Brand: Siemens MPN: P130GF UPC: Shipping Weight: 0.40 lbs. Shipping Height: 4.00 In. Shipping...- SKU:
- C15-8792
- Number of Poles:
- 1
MSRP $312.00Surplus $68.51 -
Siemens P150 Molded Case Breakers (MCCBs)
MSRP $80.00Surplus $21.64Siemens P150 Molded Case Breakers (MCCBs)​ ARCA SKU: C15-8793 Brand: Siemens MPN: P150 UPC: Shipping Weight: 0.25 lbs. Shipping Height: 2.00 In. Shipping Length: 4.00 In...- SKU:
- C15-8793
MSRP $80.00Surplus $21.64 -
Siemens P1E30MC250C Circuit Breaker Accessories
MSRP $570.83Surplus $268.77SKU: C15-11525 Brand: Siemens MPN: P1E30MC250C UPC: Shipping Weight: 20.30 lbs. Shipping Height: 15.00 In. Shipping Length: 38.00 In. Shipping Width: 7.00 In...- SKU:
- C15-11525
- Type:
- Convertible Main Lug, Unassembled
- Series:
- P1
- Catalog:
- SiemensAG_01834_15_16_CAT.pdf
- Short Description:
- 480 VAC Star/277 VAC, 250 A, 3-Phase 4-Wire, 30-Circuit, Copper, Panelboard Interior
- Data Sheet:
- SiemensAG_06802_1_DATA.pdf
MSRP $570.83Surplus $268.77 -
Siemens P1E42MC400C Circuit Breaker Accessories
MSRP $2,380.00Surplus $1,011.20SKU: C15-11526 Brand: Siemens MPN: P1E42MC400C UPC: Shipping Weight: 49.00 lbs. Shipping Height: 15.00 In. Shipping Length: 64.00 In. Shipping Width: 7.00 In...- SKU:
- C15-11526
- Short Description:
- 480 VAC Star/277 VAC, 400 A, 3-Phase 4-Wire, 42-Circuit, Copper, Panelboard Interior
- Type:
- Convertible Main Lug, Unassembled
- Catalog:
- SiemensAG_01834_15_16_CAT.pdf
- Data Sheet:
- SiemensAG_06812_1_DATA.pdf
MSRP $2,380.00Surplus $1,011.20 -
Siemens P1X42MC400C Circuit Breaker Accessories
MSRP $1,074.46Surplus $681.57SKU: C15-11528 Brand: Siemens MPN: P1X42MC400C UPC: Shipping Weight: 48.00 lbs. Shipping Height: 15.00 In. Shipping Length: 64.00 In. Shipping Width: 7.00 In...- SKU:
- C15-11528
- Catalog:
- SiemensAG_01834_15_16_CAT.pdf
- Type:
- Convertible Main Lug, Unassembled
- Series:
- P1
- Short Description:
- 208 VAC Star/120 VAC, 400 A, 3-Phase 4-Wire, 42-Circuit, Copper, Panelboard Interior
- Data Sheet:
- SiemensAG_06835_1_DATA.pdf
- Approval:
- UL 67
MSRP $1,074.46Surplus $681.57 -
Siemens P215 Molded Case Breakers (MCCBs)
MSRP $103.00Surplus $28.31Siemens P215 Molded Case Breakers (MCCBs)​ ARCA SKU: C15-4675 Brand: Siemens MPN: P215 UPC: Shipping Weight: 0.50 lbs. Shipping Height: 4.00 In. Shipping Length: 4.00 In...- SKU:
- C15-4675
- Frame Type:
- P
- Voltage Rating:
- 240 V
- Current Rating:
- 15 A
- Number of Poles:
- 2
- Short Description:
- Siemens 15 A, 2 Pole, 240 V, Molded Case Circuit Breakers
- Country of Origin:
- United States
MSRP $103.00Surplus $28.31
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.