
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 LGG3B040L Molded Case Breakers (MCCBs)
MSRP $4,000.00Surplus $1,069.53SKU: C15-10489 Brand: Siemens MPN: LGG3B040L UPC: 88762127920 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-10489
- TS PIK:
- 125266380
- Series:
- LGG
- Short Description:
- 600 VAC Star/347 VAC, 40 A, 65 kA at 480 VAC, 3-Pole, 8 to 1/0 AWG Copper/Aluminum, Line/Load Lug Terminal, LGG Frame, Thermal Magnetic Trip Unit, Molded Case Circuit Breaker
- Number of Poles:
- 3
- Current Rating:
- 40 A
- Voltage Rating:
- 480 V
- Interrupting Rating:
- 65 kA at 240 VAC, 65 kA at 480 VAC, 14 kA at 600 VAC Star/347 VAC, 14 kA at 125/250 VAC
- Country of Origin:
- Mexico
- Size:
- 3 Inch Width x 2.8 Inch Depth x 5.4 Inch Height
- Catalog:
- SiemensAG_00564_7_43_CAT.pdf
- Terminal Type:
- Line and Load Lug
- Approval:
- UL, CSA
- Wire Size:
- 8 to 1/0 AWG (Copper/Aluminum)
- Mounting:
- Cable-In/Out, DIN Rail/Screw
MSRP $4,000.00Surplus $1,069.53 -
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Siemens NEB3B020B Molded Case Breakers (MCCBs)
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
- TS PIK:
- 115459211
- Series:
- NEB
- Current Rating:
- 20 A
- Number of Poles:
- 3
- 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)
- Approval:
- UL 489, CSA, IEC 60947-2
- Country of Origin:
- DOM
- Short Description:
- 240/347/480/600 VAC 50/60 Hz, 125/250 VDC, 20 A, 85 kA, 3-Pole, Thermal Magnetic Trip Unit, Panelboard Circuit Breaker
- Voltage Rating:
- 480 V
- Type:
- Thermal Magnetic, Molded Case
- Used On:
- P1/P2/P3/P4/P5 Panelboard
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
- Approval:
- UL 489, CSA, IEC 60947-2
- Used On:
- P1/P2/P3/P4/P5 Panelboard
MSRP $9,787.00Surplus $2,475.59 -
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Siemens NEB3B100B Miniature Circuit Breakers (MCBs) 3P 100A
MSRP $11,107.00Surplus $2,394.00Siemens 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
- Series:
- NEB
- Type:
- Thermal Magnetic, Molded Case
- Number of Poles:
- 3
- Country of Origin:
- DOM
- Current Rating:
- 100 A
- Used On:
- P1/P2/P3/P4/P5 Panelboard
- Approval:
- UL 489, CSA, IEC 60947-2
- Short Description:
- 240/347/480/600 VAC 50/60 Hz, 125/250 VDC, 100 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)
- Voltage Rating:
- 480 V
MSRP $11,107.00Surplus $2,394.00 -
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Square D EHB24060 Molded Case Breakers (MCCBs) EHB 2P 60A 480V 50/60Hz 1Ph
Surplus $1,596.00SKU: C15-4671 Brand: Square D MPN: EHB24060 UPC: Shipping Weight: 0.90 lbs. Shipping Height: 3.00 In. Shipping Length: 3.00 In. Shipping Width: 3.00 In. Product...- SKU:
- C15-4671
- Frame Type:
- EHB
- Voltage Rating:
- 480 V
- Current Rating:
- 60 A
- Number of Poles:
- 2
- Short Description:
- Square D, EHB Series, type EHB, 2P, 1PH, 60A, 277/480V, 14kA@277V, standard interrupting capacity, 40°C, Bolt-On, Thermal Magnetic, molded case circuit breakers
Surplus $1,596.00 -
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Square D KC34250G Molded Case Breakers (MCCBs) KC 3P 250A 480V 50/60Hz 3Ph K Frame
MSRP $20,005.00Surplus $3,163.23SKU: C15-2475 Brand: Square D MPN: KC34250G UPC: Shipping Weight: 9.00 lbs. Shipping Height: 6.00 In. Shipping Length: 11.00 In. Shipping Width: 5.00 In. Product...- SKU:
- C15-2475
- Frame Type:
- K
- Voltage Rating:
- 480 V
- Current Rating:
- 250 A
- Number of Poles:
- 3
- Short Description:
- KC 3P 250A 480V 50/60Hz 3Ph K Frame
MSRP $20,005.00Surplus $3,163.23 -
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Westinghouse HFB3100 Molded Case Breakers (MCCBs) HFD 3P 100A 480V 50/60Hz 3Ph
MSRP $1,250.00Surplus $253.12SKU: C15-4684 Brand: Westinghouse MPN: HFB3100 UPC: Shipping Weight: 3.50 lbs. Shipping Height: 5.00 In. Shipping Length: 6.00 In. Shipping Width: 5.00 In. Product...- SKU:
- C15-4684
- Frame Type:
- F
- Voltage Rating:
- 480 V
- Current Rating:
- 100 A
- Number of Poles:
- 3
- Short Description:
- HFB, 100 A, 3 Pole, Volt, Molded Case Circuit Breakers from Eaton - Cutler Hammer - Westinghouse
MSRP $1,250.00Surplus $253.12 -
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Westinghouse HMCP070M2CS05 Molded Case Breakers (MCCBs) HMCP 3P 70A 480V 50/60Hz 3Ph
MSRP $600.00Surplus $31.22Westinghouse HMCP070M2CS05 Molded Case Breakers (MCCBs) HMCP 3P 70A 480V 50/60Hz 3Ph​ ARCA SKU: C15-4682 Brand: Westinghouse MPN: HMCP070M2CS05 UPC: Shipping Weight: 4.15 lbs. Shipping...- SKU:
- C15-4682
- Frame Type:
- J-K
- Voltage Rating:
- 480 V
- Current Rating:
- 70 A
- Number of Poles:
- 3
- Short Description:
- Eaton molded case circuit breaker accessory motor protection, Motor circuit protector, 70 A, Three-pole, Frame J-K, 210-700 A, Series C, Non-aluminum
- Series:
- C
MSRP $600.00Surplus $31.22
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