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
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- Qty in Cart
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Murray MP130GF Miniature Circuit Breakers (MCBs) 30A EA
MSRP $181.00Surplus $64.65Murray MP130GF Miniature Circuit Breakers (MCBs) 30A EA​ ARCA SKU: C15-6324 Brand: Murray MPN: MP130GF UPC: 040892522259 Shipping Weight: 0.20 lbs. Shipping Height: 1.00 In...- SKU:
- C15-6324
- Used On:
- Loadcenter
- Number of Poles:
- 1
- Interrupting Rating:
- 10 kA
- Data Sheet:
- SiemensAG_06580_1_DATA.pdf
- Wire Size:
- 14 to 10 AWG (Copper), 12 to 8 AWG (Aluminum)
- Catalog:
- SiemensAG_01825_1_3_CAT.pdf
- Current Rating:
- 30 A
- Size:
- 1 Inch W x 2.66 Inch D x 2.84 Inch H
- Type:
- Circuit Interrupter
- Voltage Rating:
- 120 VAC
- Mounting:
- Plug-On
- Terminal Type:
- Load Lug
- Short Description:
- 120 VAC, 30 A, 10 kA, 5 mA, 1-Pole, Plug-In Mount, MP-GT Frame, GFCI, Personal Protect, Miniature Circuit Breaker
- Country of Origin:
- Philippines
MSRP $181.00Surplus $64.65 -
Murray MP140 Miniature Circuit Breakers (MCBs)
MSRP $37.00Surplus $8.98Murray MP140 Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-6295 Brand: Murray MPN: MP140 UPC: Shipping Weight: 3.55 lbs. Shipping Height: 3.00 In. Shipping Length: 11...- SKU:
- C15-6295
- Series:
- MP-T
- Wire Size:
- 8 to 6 AWG (Copper), 8 to 4 AWG (Aluminum)
- Short Description:
- 120 VAC, 40 A, 10 kA, 1-Pole, Plug-In Mount, MP-T Frame, Thermal Magnetic Trip Unit, Miniature Circuit Breaker
- Voltage Rating:
- 120 VAC
- Size:
- 1 Inch W x 3 Inch D x 3 1/8 Inch H
- Current Rating:
- 40 A
- Installation/Operator:
- SiemensAG_00215_INST.pdf
- Used On:
- Loadcenter
- Number of Poles:
- 1
- Data Sheet:
- SiemensAG_06582_1_DATA.pdf
- Terminal Type:
- Load Lug
- Interrupting Rating:
- 10 kA
- Mounting:
- Plug-On
- Country of Origin:
- United States
MSRP $37.00Surplus $8.98 -
Murray MQ115 Miniature Circuit Breakers (MCBs) 1P 15A
MSRP $70.20Surplus $12.58Murray MQ115 Miniature Circuit Breakers (MCBs) 1P 15A​ ARCA SKU: C15-6314 Brand: Murray MPN: MQ115 UPC: 04089252814 Shipping Weight: 2.70 lbs. Shipping Height: 4.00 In. Shipping...- SKU:
- C15-6314
- TS PIK:
- 120071844
- Voltage Rating:
- 120 VAC
- Type:
- Common Trip
- Used On:
- Loadcenter, Type QO Circuit Breaker, Type QO Panelboard
- Interrupting Rating:
- 10 kA
- Current Rating:
- 15 A
- Short Description:
- 15 A, 10 kA, 1-Pole, 3/4" Format, MSQ Frame, Circuit Breaker
- Number of Poles:
- 1
- Data Sheet:
- SiemensAG_06675_1_DATA.pdf
- Mounting:
- Plug-On
- Country of Origin:
- Mexico
MSRP $70.20Surplus $12.58 -
Murray MQ120 Miniature Circuit Breakers (MCBs) 1P 20A
MSRP $70.20Surplus $16.85Murray MQ120 Miniature Circuit Breakers (MCBs) 1P 20A​ ARCA SKU: C15-6315 Brand: Murray MPN: MQ120 UPC: 04089252815 Shipping Weight: 4.30 lbs. Shipping Height: 4.00 In. Shipping...- SKU:
- C15-6315
- TS PIK:
- 120072352
- Data Sheet:
- SiemensAG_06676_1_DATA.pdf
- Interrupting Rating:
- 10 kA
- Current Rating:
- 20 A
- Mounting:
- Plug-On
- Short Description:
- 20 A, 10 kA, 1-Pole, 3/4" Format, MSQ Frame, Circuit Breaker
- Type:
- Common Trip
- Voltage Rating:
- 120 VAC
- Number of Poles:
- 1
- Used On:
- Loadcenter, Type QO Circuit Breaker, Type QO Panelboard
- Country of Origin:
- Mexico
MSRP $70.20Surplus $16.85 -
Murray MQ130 Miniature Circuit Breakers (MCBs) 1P 30A 50/60Hz 1Ph EA
MSRP $66.60Surplus $68.58Murray MQ130 Miniature Circuit Breakers (MCBs) 1P 30A 50/60Hz 1Ph EA​ ARCA SKU: C15-6316 Brand: Murray MPN: MQ130 UPC: 30040892528160 Shipping Weight: 2.30 lbs. Shipping Height: 4.00...- SKU:
- C15-6316
- Short Description:
- 30 A, 10 kA, 1-Pole, 3/4" Format, MSQ Frame, Circuit Breaker
- Mounting:
- Plug-On
- Data Sheet:
- SiemensAG_06677_1_DATA.pdf
- Voltage Rating:
- 120 VAC
- Number of Poles:
- 1
- Type:
- Common Trip
- Used On:
- Loadcenter, Type QO Circuit Breaker, Type QO Panelboard
- Interrupting Rating:
- 10 kA
- Current Rating:
- 30 A
- Country of Origin:
- Mexico
- Approval:
- UL
MSRP $66.60Surplus $68.58 -
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Potter & Brumfield W23-X1A1G-1 Other Circuit Breakers EA
MSRP $119.00Surplus $23.30Potter & Brumfield W23-X1A1G-1 Other Circuit Breakers EA​ ARCA SKU: C15-5169 Brand: Potter & Brumfield MPN: W23-X1A1G-1 UPC: Shipping Weight: 0.15 Shipping Height: 2.00 In. Shipping...- SKU:
- C15-5169
- UOM:
- EA
- Box Quantity:
- 1
- Number of Poles:
- 1
MSRP $119.00Surplus $23.30 -
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Potter & Brumfield W23-X1A1G-15 Other Circuit Breakers EA
MSRP $67.00Surplus $13.30Potter & Brumfield W23-X1A1G-15 Other Circuit Breakers EA​ ARCA SKU: C15-5188 Brand: Potter & Brumfield MPN: W23-X1A1G-15 UPC: Shipping Weight: 0.15 Shipping Height: 2.00 In. Shipping...- SKU:
- C15-5188
- UOM:
- EA
- Box Quantity:
- 1
- Number of Poles:
- 1
MSRP $67.00Surplus $13.30 -
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Potter & Brumfield W23-X1A1G-20 Other Circuit Breakers EA
MSRP $48.00Surplus $12.78Potter & Brumfield W23-X1A1G-20 Other Circuit Breakers EA​ ARCA SKU: C15-5166 Brand: Potter & Brumfield MPN: W23-X1A1G-20 UPC: Shipping Weight: 0.10 Shipping Height: 1.00 In. Shipping...- SKU:
- C15-5166
- UOM:
- EA
- Box Quantity:
- 1
- Number of Poles:
- 1
MSRP $48.00Surplus $12.78 -
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Potter & Brumfield W23-X1A1G-25 Other Circuit Breakers EA
MSRP $52.00Surplus $15.32Potter & Brumfield W23-X1A1G-25 Other Circuit Breakers EA​ ARCA SKU: C15-5187 Brand: Potter & Brumfield MPN: W23-X1A1G-25 UPC: Shipping Weight: 0.15 lbs. Shipping Height: 2.00 In...- SKU:
- C15-5187
- UOM:
- EA
- Box Quantity:
- 1
- Number of Poles:
- 1
MSRP $52.00Surplus $15.32 -
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Potter & Brumfield W23-X1A1G-3 Other Circuit Breakers EA
MSRP $90.00Surplus $9.55Potter & Brumfield W23-X1A1G-3 Other Circuit Breakers EA​ ARCA SKU: C15-5170 Brand: Potter & Brumfield MPN: W23-X1A1G-3 UPC: Shipping Weight: 0.15 Shipping Height: 2.00 In. Shipping...- SKU:
- C15-5170
- UOM:
- EA
- Box Quantity:
- 1
- Number of Poles:
- 1
MSRP $90.00Surplus $9.55 -
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Potter & Brumfield W23-X1A1G-35 Other Circuit Breakers EA
MSRP $52.00Surplus $21.89Potter & Brumfield W23-X1A1G-35 Other Circuit Breakers EA​ ARCA SKU: C15-5186 Brand: Potter & Brumfield MPN: W23-X1A1G-35 UPC: Shipping Weight: 0.15 lbs. Shipping Height: 2.00 In...- SKU:
- C15-5186
- UOM:
- EA
- Box Quantity:
- 1
- Number of Poles:
- 1
MSRP $52.00Surplus $21.89 -
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Potter & Brumfield W23-X1A1G-5 Other Circuit Breakers EA
MSRP $48.00Surplus $15.01Potter & Brumfield W23-X1A1G-5 Other Circuit Breakers EA​ ARCA SKU: C15-5167 Brand: Potter & Brumfield MPN: W23-X1A1G-5 UPC: Shipping Weight: 0.15 Shipping Height: 2.00 In. Shipping...- SKU:
- C15-5167
- UOM:
- EA
- Box Quantity:
- 1
- Number of Poles:
- 1
MSRP $48.00Surplus $15.01 -
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Raychem H622100 Wire/Cable/Cord Heating Cable 240V
MSRP $954.00Surplus $412.58SKU: E27-3366 Brand: Raychem MPN: H622100 UPC: 715629000231 Shipping Weight: 9.30 lbs. Shipping Height: 5.00 In. Shipping Length: 10.00 In. Shipping Width: 10.00 In...- SKU:
- E27-3366
- Type:
- Standard, Miniature
- Voltage Rating:
- 120 VAC
- Current Rating:
- 40 A
- Number of Poles:
- 1
- Interrupting Rating:
- 10 KiloA
- Used On:
- Stab-Lok Loadcenter
- Short Description:
- 120 VAC, 40 A, 10 kA, 1-Pole, 14 to 6 AWG Aluminum/Copper, Plug-In Mount, Standard, Miniature Circuit Breaker
- Catalog:
- SchneiderElectric_00227_DE1_37_DE1_38_CAT.pdf
- Data Sheet:
- SchneiderElectric-SquareD_04929_1_DATA.pdf
MSRP $954.00Surplus $412.58 -
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Schneider Electric BDA140203 Molded Case Breakers (MCCBs)
MSRP $288.00Surplus $149.99SKU: U00-7854 Brand: Schneider Electric MPN: BDA140203 UPC: 60648115151 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping...- SKU:
- U00-7854
- Short Description:
- 480 Star/277 VAC 50/60 Hz, 125 VDC, 20 A, 18 kA, 1-Pole, B-Frame, B Phase, I-Line Connection Line Lug Load Terminal, Thermal Magnetic, Molded Case Circuit Breaker
- Interrupting Rating:
- 18 kA at 480 Star/277 VAC, 10 kA at 125 VDC
- Approval:
- UL, CSA, CE
- Series:
- BD
- Terminal Type:
- I-Line Connection Line Lug Load
- Data Sheet:
- SchneiderElectric-SquareD_34702_1-4_DATA.pdf
- Type:
- Thermal Magnetic
- Catalog:
- SchneiderElectric-SquareD_32357_7_31_7_32_CAT.pdf
- Maximum DC Voltage Rating:
- 125 V
- Maximum AC Voltage Rating:
- 277 V
- Voltage Rating:
- 480 Star/277 VAC 50/60 Hertz, 125 VDC
- Number of Poles:
- 1
- Frame Type:
- B
- Installation/Operator:
- SchneiderElectric-SquareD_00231_INST.pdf
- CAD Drawings:
- SchneiderElectric-SquareD_73340_1_CAD.pdf
- Size:
- 1.06 Inch Width x 3.5 Inch Depth x 5.39 Inch Height
- Current Rating:
- 20 A
MSRP $288.00Surplus $149.99 -
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 -
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Schneider Electric HOM120PCAFIC Miniature Circuit Breakers (MCBs) HOM 1P 20A 120V 50/60Hz 1Ph
MSRP $450.00Surplus $53.20Schneider Electric HOM120PCAFIC Miniature Circuit Breakers (MCBs) HOM 1P 20A 120V 50/60Hz 1Ph​ ARCA SKU: C15-2778 Brand: Schneider Electric MPN: HOM120PCAFIC UPC: 785901976684 Shipping Weight: 0.70...- SKU:
- C15-2778
- Approval:
- UL
- Amps:
- 20 A
- Interrupting Rating:
- 10 kA
- Mounting:
- Plug-On
- Poles:
- 1
- Size:
- 1 Inch Width x 2.98 Inch Depth x 3.13 Inch Height
- Terminal Type:
- ClA
- Used On:
- Load Center
- Volts:
- 120 VAC
- Gauge:
- 14 to 8 AWG (Aluminum/Copper)
- Gauge:
- 14 to 10 AWG (Copper)
- Short Description:
- 120 VAC, 20 A, 1-Pole, 10 kA, Arc Fault, Plug-On Neutral, Plug-In, Clamp Terminal, Miniature Circuit Breaker
- Voltage Rating:
- 120 VAC
- Wire Size:
- 14 to 8 AWG (Aluminum/Copper), 14 to 10 AWG (Copper)
- Number of Poles:
- 1
- Catalog:
- SchneiderElectric-SquareD_00001_28_30_CAT.pdf
- Data Sheet:
- SchneiderElectric-SquareD_04673_1_2_DATA.pdf
- Installation/Operator:
- SchneiderElectric-SquareD_00002_INST.pdf
- Current Rating:
- 20 A
MSRP $450.00Surplus $53.20 -
Schneider Electric HOMT1520 Miniature Circuit Breakers (MCBs) HOMT 1P 15A/20A 120V 50/60Hz 1Ph
MSRP $52.00Surplus $28.00Schneider Electric HOMT1520 Miniature Circuit Breakers (MCBs) HOMT 1P 15A/20A 120V 50/60Hz 1Ph​ ARCA SKU: C15-2161 Brand: Schneider Electric MPN: HOMT1520 UPC: 785901065418 Shipping Weight: 0.45...- SKU:
- C15-2161
- Type:
- Common Trip
- Approval:
- UL
- Size:
- 1 Inch Width x 2.98 Inch Depth x 3.13 Inch Height
- Volts:
- 120/240 VAC
- Amps:
- 32 A
- Used On:
- Load Center
- Poles:
- 1
- Mounting:
- Plug-On
- Interrupting Rating:
- 10 kA
- Terminal Type:
- Box Lug
- Wire Size:
- 12 to 8 AWG (Aluminum)
- Short Description:
- 120/240 VAC, 15/20 A, 10 kA Interrupt, 1-Pole, 12 to 8 AWG Aluminum, Plug-In Mount, Box Lug Terminal, Tandem
- Catalog:
- SchneiderElectric_00257_1_20_7_23_CAT.pdf
- Installation/Operator:
- Eaton_00008_INST.pdf
- Manufacturer Warranty:
- Eaton_00009_WARR.pdf
- Current Rating:
- 20 A
- Voltage Rating:
- 120/240 VAC
- Number of Poles:
- 1
- Data Sheet:
- SchneiderElectric-SquareD_13509_1_2_DATA.pdf
- Country of Origin:
- Mexico
MSRP $52.00Surplus $28.00 -
Schneider Electric MGN61301 Miniature Circuit Breakers (MCBs) 1P 30A
MSRP $225.00Surplus $46.08Schneider Electric MGN61301 Miniature Circuit Breakers (MCBs) 1P 30A​ ARCA SKU: C15-6756 Brand: Schneider Electric MPN: MGN61301 UPC: Shipping Weight: 0.40 lbs. Shipping Height: 6...- SKU:
- C15-6756
- Number of Poles:
- 1
MSRP $225.00Surplus $46.08 -
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Schneider Electric MGN61302 Din Rail Mounted Circuit Breakers
MSRP $13.07Surplus $9.48SKU: C15-12104 Brand: Schneider Electric MPN: MGN61302 UPC: 785901560906 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping...- SKU:
- C15-12104
- Number of Poles:
- 1
- Terminal Type:
- Single Barrel
- Wire Size:
- 18 to 16 AWG
- Short Description:
- 277 VAC 50/60 Hz, 2 A, 10 kA, 18 to 16 AWG, 1-Pole, DIN Rail Mount, Gray, Thermal Magnetic, Miniature Circuit Breaker
- Type:
- Miniature, Thermal Magnetic
- Approval:
- UL 489, CSA C22.2, CCC, IEC
- Catalog:
- SchneiderElectric-SquareD_00103_20_CAT.pdf
- Current Rating:
- 2 A
- Mounting:
- DIN Rail
- Voltage Rating:
- 277 VAC
- Size:
- 18 MM W x 68.7 MM D x 141 MM H
- Data Sheet:
- SchneiderElectric_01066_1_2_DATA.pdf
- Interrupting Rating:
- 10 kA at 277 VAC
MSRP $13.07Surplus $9.48 -
Schneider Electric MGN61303 Molded Case Breakers (MCCBs) 1P 3A
MSRP $100.00Surplus $24.12Schneider Electric MGN61303 Molded Case Breakers (MCCBs) 1P 3A​ ARCA SKU: C15-6758 Brand: Schneider Electric MPN: MGN61303 UPC: 785901489252 Shipping Weight: 0.40 lbs. Shipping...- SKU:
- C15-6758
- Catalog:
- SchneiderElectric-SquareD_00103_20_CAT.pdf
- Current Rating:
- 3 A
- Interrupting Rating:
- 10 kA at 277 VAC
- Voltage Rating:
- 277 VAC
- Short Description:
- 277 VAC 50/60 Hz, 3 A, 10 kA, 18 to 16 AWG, 1-Pole, DIN Rail Mount, Gray, Thermal Magnetic, Miniature Circuit Breaker
- Size:
- 18 MM W x 68.7 MM D x 141 MM H
- Type:
- Miniature, Thermal Magnetic
- Terminal Type:
- Single Barrel
- Number of Poles:
- 1
- Data Sheet:
- SchneiderElectric_01067_1_2_DATA.pdf
- Approval:
- UL 489, CSA C22.2, CCC, IEC
- Wire Size:
- 18 to 16 AWG
- Mounting:
- DIN Rail
- Country of Origin:
- Mexico
MSRP $100.00Surplus $24.12
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.
