
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 EHD2020C05 Molded Case Breakers (MCCBs) EHD 2P 20A 480V 50/60Hz 2Ph F Frame AAL1RPK
MSRP $665.00Surplus $146.35Eaton EHD2020C05 Molded Case Breakers (MCCBs) EHD 2P 20A 480V 50/60Hz 2Ph F Frame AAL1RPK​ ARCA SKU: C15-1957 Brand: Eaton MPN: EHD2020C05 UPC: Shipping Weight: 3.05 Shipping Height: 5.00...- SKU:
- C15-1957
- Frame Type:
- F
- Voltage Rating:
- 480 V
- Current Rating:
- 20 A
- Number of Poles:
- 2
- Interrupting Rating:
- 50A, 18 kA at 240 Vac, 14 kA at 480 Vac
- Short Description:
- Eaton Series C complete molded case circuit breaker, F-frame, EHD, Fixed thermal, fixed magnetic trip, Two-pole, 50A, 18 kA at 240 Vac, 14 kA at 480 Vac, Load side
- Series:
- C
MSRP $665.00Surplus $146.35 -
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Eaton GHB3020H08 Molded Case Breakers (MCCBs) GHB 3P 20A 480V 50/60Hz 3Ph G Frame
MSRP $727.00Surplus $261.72SKU: C15-4260 Brand: Eaton MPN: GHB3020H08 UPC: 786679911266 Shipping Weight: 1.50 lbs. Shipping Height: 3.00 In. Shipping Length: 5.00 In. Shipping Width: 4.00 In...- SKU:
- C15-4260
- Frame Type:
- G
- Voltage Rating:
- 480 V
- Current Rating:
- 20 A
- Number of Poles:
- 3
- Short Description:
- Eaton Series C complete molded case circuit breaker, G-frame, GHB, Complete breaker, Fixed thermal, Fixed magnetic trip type, Three-pole, 20 A, 480Y/277 Vac, 125/250 Vdc, 50/60 Hz
MSRP $727.00Surplus $261.72 -
Schneider Electric FJA140203 Molded Case Breakers (MCCBs) FJA 1P 20A 480V 50/60Hz 1Ph
MSRP $960.00Surplus $56.57Schneider Electric FJA140203 Molded Case Breakers (MCCBs) FJA 1P 20A 480V 50/60Hz 1Ph​ ARCA SKU: C15-3587 Brand: Schneider Electric MPN: FJA140203 UPC: 785901565871 Shipping Weight: 2.55 Shipping...- SKU:
- C15-3587
- Frame Type:
- F
- Voltage Rating:
- 480 V
- Current Rating:
- 20 A
- Number of Poles:
- 1
- Short Description:
- Square D, Powerpact, type FJA, 1P, 1PH, 20A, 277V, 65kA@480V, B phase circuit configuration, extra high interrupting capacity, 40°C, I-Line Style Plug-In, Thermal Magnetic, molded case circuit breakers
- Country of Origin:
- Mexico
MSRP $960.00Surplus $56.57 -
Siemens LGB3B020B Molded Case Breakers (MCCBs)
MSRP $628.00Surplus $417.62SKU: C15-10479 Brand: Siemens MPN: LGB3B020B UPC: 88762122022 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-10479
- TS PIK:
- 125266286
- Short Description:
- 600 VAC Star/347 VAC, 20 A, 65 kA at 480 VAC Star/277 VAC, 3-Pole, 14 to 10 AWG Copper/Aluminum, Load Lug Terminal, LGB Frame, Thermal Magnetic Trip Unit, Molded Case Circuit Breaker for Panelboard
- Terminal Type:
- Load Lug
- Number of Poles:
- 3
- Type:
- Thermal Magnetic
- Approval:
- UL
- Wire Size:
- 14 to 10 AWG (Copper/Aluminum)
- Used On:
- Panelboard
- Catalog:
- SiemensAG_00564_7_33_CAT.pdf
- Voltage Rating:
- 480 V
- Country of Origin:
- MEX
- Interrupting Rating:
- 65 kA
- Current Rating:
- 20 A
- Size:
- 3 Inch Width x 2.8 Inch Depth x 5.4 Inch Height
- Series:
- LGB
MSRP $628.00Surplus $417.62 -
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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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