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 N125X Circuit Breaker Accessories EA
MSRP $188.50Surplus $46.28Siemens N125X Circuit Breaker Accessories EA​ ARCA SKU: C15-9508 Brand: Siemens MPN: N125X UPC: 19512521049 Shipping Weight: 0.25 lbs. Shipping Height: 2.00 In. Shipping...- SKU:
- C15-9508
- TS PIK:
- 129211476
- Short Description:
- NEUTRAL KIT 3VA 125A 100PERCENT CB ENCL
- Country of Origin:
- Mexico
MSRP $188.50Surplus $46.28 -
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Siemens ND62B120 Molded Case Breakers (MCCBs) 2P 1200A 600V
MSRP $27,922.00Surplus $10,051.92Siemens ND62B120 Molded Case Breakers (MCCBs) 2P 1200A 600V​ ARCA SKU: C15-7624 Brand: Siemens MPN: ND62B120 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping...- SKU:
- C15-7624
MSRP $27,922.00Surplus $10,051.92 -
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Siemens ND63B120 Molded Case Breakers (MCCBs) 3P 1200A 600V
MSRP $35,570.00Surplus $12,805.20SKU: C15-7625 Brand: Siemens MPN: ND63B120 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- C15-7625
MSRP $35,570.00Surplus $12,805.20 -
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Siemens ND63F120 Molded Case Breakers (MCCBs)
MSRP $17,097.00Surplus $4,424.91SKU: C15-7688 Brand: Siemens MPN: ND63F120 UPC: 78364321543 Shipping Weight: 46.90 lbs. Shipping Height: 10.00 In. Shipping Length: 19.00 In. Shipping Width: 12.00 In...- SKU:
- C15-7688
- TS PIK:
- 21333871
- Type:
- Interchangeable Trip
- Size:
- 9 Inch W x 6 Inch D x 16 Inch H
- Catalog:
- SiemensAG_01698_17_100_CAT.pdf
- Interrupting Rating:
- 25 kA at 600 VAC/500 VDC
- Voltage Rating:
- 600 VAC/500 VDC
- Number of Poles:
- 3
- Current Rating:
- 1200 A
- Short Description:
- 600 VAC, 500 VDC, 800 to 1200 A, 25 kA, 3-Pole, Interchangeable Trip, Molded Case, Thermal Magnetic, FD Frame, Circuit Breaker Frame
- Series:
- ND6
- Country of Origin:
- Mexico
MSRP $17,097.00Surplus $4,424.91 -
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Siemens ND63T120 Molded Case Breakers (MCCBs)
MSRP $15,979.00Surplus $1,945.79SKU: C15-7689 Brand: Siemens MPN: ND63T120 UPC: 78364321569 Shipping Weight: 6.20 lbs. Shipping Height: 7.00 In. Shipping Length: 10.00 In. Shipping Width: 8.00 In...- SKU:
- C15-7689
- TS PIK:
- 21333877
- Frame Type:
- ND
- Short Description:
- 600 VAC, 500 VDC, 1200 A, 25/50 kA, 3-Pole, 250 to 500 KCMIL Copper/Aluminum, Line/Load Lug Terminal, ND Frame, Thermal Magnetic, Interchangeable Molded Case Circuit Breaker Trip Unit
- Series:
- ND6
MSRP $15,979.00Surplus $1,945.79 -
Siemens NEB1B020B Molded Case Breakers (MCCBs)
MSRP $3,153.00Surplus $128.61SKU: E30-11706 Brand: Siemens MPN: NEB1B020B UPC: 78364355815 Shipping Weight: 1.05 lbs. Shipping Height: 5.00 In. Shipping Length: 7.00 In. Shipping Width: 5.00 In...- SKU:
- E30-11706
- TS PIK:
- 115459763
- Current Rating:
- 20 A
- Interrupting Rating:
- 100 kA at 120 VAC (UL 489), 85 kA at 240 VAC (UL 489), 35 kA at 277 VAC/125/250 VDC (UL 489), 22 kA at 347 VAC (UL 489), 85 kA at 240 VAC (IEC), 35 kA at 250 VDC (IEC)
- Number of Poles:
- 1
- Voltage Rating:
- 277 V
- Series:
- NEB
- Short Description:
- 240/277/347 VAC 50/60 Hz, 125/250 VDC, 20 A, 85 kA, 1-Pole, Thermal Magnetic Trip Unit, Panelboard Circuit Breaker
- Type:
- Thermal Magnetic, Molded Case
- Country of Origin:
- Dominican Republic
MSRP $3,153.00Surplus $128.61 -
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Siemens NEB3B020B Molded Case Breakers (MCCBs) 3P 20A
MSRP $9,787.00Surplus $2,371.67SKU: C15-7490 Brand: Siemens MPN: NEB3B020B UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- C15-7490
MSRP $9,787.00Surplus $2,371.67 -
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Siemens NEB3B030B Molded Case Breakers (MCCBs)
MSRP $9,787.00Surplus $2,475.59SKU: C15-7626 Brand: Siemens MPN: NEB3B030B UPC: 78364355853 Shipping Weight: 1.26 lbs. Shipping Height: 5.40 In. Shipping Length: 3.00 In. Shipping Width: 2.80 In...- SKU:
- C15-7626
- Voltage Rating:
- 480 V
- Short Description:
- 240/347/480/600 VAC 50/60 Hz, 125/250 VDC, 30 A, 85 kA, 3-Pole, Thermal Magnetic Trip Unit, Panelboard Circuit Breaker
- Interrupting Rating:
- 85 kA at 240 VAC (UL 489), 35 kA at 480 VAC/125/250 VDC (UL 489), 22 kA at 600 Star/347 VAC (UL 489), 85 kA at 240 VAC (IEC), 40 kA at 415 VAC (IEC), 35 kA at 250 VDC (IEC)
- Current Rating:
- 30 A
- Series:
- NEB
- Number of Poles:
- 3
- Type:
- Thermal Magnetic, Molded Case
- Country of Origin:
- Dominican Republic
MSRP $9,787.00Surplus $2,475.59 -
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Siemens NEB3B100 Molded Case Breakers (MCCBs)
MSRP $971.27Surplus $349.66SKU: C15-6344 Brand: Siemens MPN: NEB3B100 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- C15-6344
MSRP $971.27Surplus $349.66 -
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Siemens NEB3B100B Miniature Circuit Breakers (MCBs) 3P 100A
MSRP $11,107.00Surplus $2,215.14Siemens NEB3B100B Miniature Circuit Breakers (MCBs) 3P 100A​ ARCA SKU: C15-7676 Brand: Siemens MPN: NEB3B100B UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping...- SKU:
- C15-7676
- TS PIK:
- 21334135
MSRP $11,107.00Surplus $2,215.14 -
Siemens NEG3B015L Molded Case Breakers (MCCBs) EA
MSRP $7,500.00Surplus $1,965.88SKU: C15-10503 Brand: Siemens MPN: NEG3B015L UPC: 78364351980 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-10503
- TS PIK:
- 120973117
- Country of Origin:
- Dominican Republic
MSRP $7,500.00Surplus $1,965.88 -
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Siemens NF353X Molded Case Breakers (MCCBs)
MSRP $3,918.81Surplus $1,410.77SKU: E30-11729 Brand: Siemens MPN: NF353X UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- E30-11729
MSRP $3,918.81Surplus $1,410.77 -
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Siemens NF651H Molded Case Breakers (MCCBs) 6P 30A 600V EA
MSRP $1,552.99Surplus $559.08SKU: E30-11730 Brand: Siemens MPN: NF651H UPC: Shipping Weight: 21.95 lbs. Shipping Height: 5.00 In. Shipping Length: 16.00 In. Shipping Width: 15.00 In. Product...- SKU:
- E30-11730
MSRP $1,552.99Surplus $559.08 -
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Siemens NF653SS Molded Case Breakers (MCCBs)
MSRP $3,799.33Surplus $1,367.76SKU: E30-11731 Brand: Siemens MPN: NF653SS UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- E30-11731
MSRP $3,799.33Surplus $1,367.76 -
Siemens NGB1B020 Miniature Circuit Breakers (MCBs) 1P 20A 347V
MSRP $443.00Surplus $70.68Siemens NGB1B020 Miniature Circuit Breakers (MCBs) 1P 20A 347V​ ARCA SKU: C15-6216 Brand: Siemens MPN: NGB1B020 UPC: 78364355310 Shipping Weight: 0.75 lbs. Shipping Height: 1.00 In...- SKU:
- C15-6216
- TS PIK:
- 21367310
- Number of Poles:
- 1
MSRP $443.00Surplus $70.68 -
Siemens NGB1B020B Miniature Circuit Breakers (MCBs) 1P 20A 347V
MSRP $443.00Surplus $83.90Siemens NGB1B020B Miniature Circuit Breakers (MCBs) 1P 20A 347V​ ARCA SKU: C15-6217 Brand: Siemens MPN: NGB1B020B UPC: 78364341396 Shipping Weight: 0.85 lbs. Shipping Height: 2.00 In...- SKU:
- C15-6217
- TS PIK:
- 21367322
- Short Description:
- BREAKER NGB 1P 20A 347V 14KA LD LUG
- Number of Poles:
- 1
- Country of Origin:
- Mexico
MSRP $443.00Surplus $83.90 -
Siemens NGB2B020B Miniature Circuit Breakers (MCBs)
MSRP $1,353.00Surplus $179.41SKU: E30-11707 Brand: Siemens MPN: NGB2B020B UPC: 78364341411 Shipping Weight: 1.75 lbs. Shipping Height: 5.00 In. Shipping Length: 8.00 In. Shipping Width: 4.00 In...- SKU:
- E30-11707
- TS PIK:
- 115459764
- Number of Poles:
- 2
- Country of Origin:
- Mexico
MSRP $1,353.00Surplus $179.41 -
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Siemens NGB2B050B Miniature Circuit Breakers (MCBs) EA
MSRP $1,600.00Surplus $504.67SKU: C15-10505 Brand: Siemens MPN: NGB2B050B UPC: 78364341417 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-10505
- TS PIK:
- 121460468
- Country of Origin:
- Mexico
MSRP $1,600.00Surplus $504.67 -
Siemens NGB2B060B Miniature Circuit Breakers (MCBs) EA
MSRP $1,600.00Surplus $502.42SKU: C15-10506 Brand: Siemens MPN: NGB2B060B UPC: 78364341418 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-10506
- TS PIK:
- 121460469
- Country of Origin:
- Mexico
MSRP $1,600.00Surplus $502.42 -
Siemens NGB2B070B Miniature Circuit Breakers (MCBs) EA
MSRP $2,000.00Surplus $601.70SKU: C15-10507 Brand: Siemens MPN: NGB2B070B UPC: 78364341419 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-10507
- TS PIK:
- 121460470
- Country of Origin:
- Mexico
MSRP $2,000.00Surplus $601.70
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.
