
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
- Price
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Eaton HMCP050K2C Motor Circuit Protector (MCPs) EA
MSRP $2,046.03Surplus $941.48SKU: C15-6838 Brand: Eaton MPN: HMCP050K2C UPC: 78667915083 Shipping Weight: 4.50 lbs. Shipping Height: 5.00 In. Shipping Length: 8.00 In. Shipping Width: 6.00 In...- SKU:
- C15-6838
- TS PIK:
- 21505327
- Number of Poles:
- 3
- Frame Type:
- F
- Short Description:
- 600 VAC, 250 VDC, 50 A, 150 to 500 A Trip, 11.5 to 42.1 A FLA, 3-Pole, NEMA 2, Non-Aluminum Line and Load Terminal, F Frame, Magnetic, Molded Case, Motor Circuit Protector
- Catalog:
- Eaton_27487_V4T2_394_V4T2_395_V4T2_398_CAT.pdf
- Voltage Rating:
- 600 VAC, 250 VDC
- Maximum DC Voltage Rating:
- 250 VDC
- Type:
- Molded Case, Magnetic
- Terminal Type:
- Non-Aluminum Line and Load Terminal
- Installation/Operator:
- Eaton_00176_INST.pdf
- Maximum AC Voltage Rating:
- 600 VAC
- Current Rating:
- 50 A
- Series:
- C, HMCP
- CAD Drawings:
- Eaton_00054_1-9_CAD.pdf
- Country of Origin:
- Dominican Republic
- Approval:
- UL 489, CSA C22.2, CE
- Libra Liquidity Lot:
- Libra Auction Lot
- Starter Size:
- NEMA 2
- Motor FLA:
- 11.5 to 42.1 A
- Trip Setting:
- 50 to 500 A
MSRP $2,046.03Surplus $941.48 -
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Eaton HFD3050 Molded Case Breakers (MCCBs) EA
MSRP $4,206.89Surplus $806.91SKU: C15-11020 Brand: Eaton MPN: HFD3050 UPC: 78667917585 Shipping Weight: 4.00 lbs. Shipping Height: 4.00 In. Shipping Length: 7.00 In. Shipping Width: 5.00 In...- SKU:
- C15-11020
- TS PIK:
- 121693927
- Maximum AC Voltage Rating:
- 600 V
- Type:
- Molded Case, Thermal Magnetic
- Catalog:
- Eaton_27487_V4T2_254_V4T2_255_V4T2_273_V4T2_274_CAT.pdf
- Terminal Type:
- Standard Pressure Load
- CAD Drawings:
- Eaton_21588_1_CAD.pdf
- Voltage Rating:
- 600 VAC, 250 VDC
- Frame Type:
- FD
- Current Rating:
- 50 A
- Series:
- C, HFD
- Number of Poles:
- 3
- Installation/Operator:
- Eaton_00091_INST.pdf
- Maximum DC Voltage Rating:
- 250 V
- Short Description:
- 600 VAC 50/60 Hz, 250 VDC, 50 A, 65/22 kA, 3-Pole, Standard Pressure Load Terminal, FD Frame, Thermal Magnetic, Molded Case, Non-Interchangeable Trip Circuit Breaker
- Interrupting Rating:
- 100 kA at 240 VAC, 65 kA at 480 VAC, 25 kA at 600 VDC, 22 kA at 250 VDC
- Size:
- 4.13 Inch Width x 3.38 Inch Depth x 6 Inch Height
- Country of Origin:
- Dominican Republic
MSRP $4,206.89Surplus $806.91 -
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Eaton HMCPS050K2C Miniature Circuit Breakers (MCBs)
MSRP $2,848.81Surplus $713.78SKU: C15-11516 Brand: Eaton MPN: HMCPS050K2C UPC: 78667923264 Shipping Weight: 4.45 lbs. Shipping Height: 5.00 In. Shipping Length: 8.00 In. Shipping Width: 5.00 In...- SKU:
- C15-11516
- TS PIK:
- 106999903
- Type:
- Molded Case, Magnetic
- Short Description:
- 600 VAC, 250 VDC, 50 A, 3-Pole, 50 to 500 A Trip, NEMA 2, Non-Aluminum Terminal, F Frame, Molded Case, Magnetic, Motor Circuit Protector
- Current Rating:
- 50 A
- Catalog:
- Eaton_46579_V4T2_254_V4T2_255_V4T2_394_V4T2_395_V4T2_400_V4T2_415_CAT.pdf
- Number of Poles:
- 3
- Voltage Rating:
- 600 VAC, 250 VDC
- Series:
- C, HMCPS
- Terminal Type:
- Non-Aluminum Terminal
- Installation/Operator:
- Eaton_00176_INST.pdf
- CAD Drawings:
- Eaton_00054_1-9_CAD.pdf
MSRP $2,848.81Surplus $713.78 -
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Square D FH36050 Molded Case Breakers (MCCBs)
MSRP $2,069.18Surplus $1,005.55SKU: C15-7199 Brand: Square D MPN: FH36050 UPC: Shipping Weight: 6.40 lbs. Shipping Height: 6.00 In. Shipping Length: 12.00 In. Shipping Width: 8.00 In. Product...- SKU:
- C15-7199
- Series:
- 650, FH
- Short Description:
- 240/480/600 VAC, 250 VDC, 50 A, 65/25/18/10 kA, 3-Pole, F-Frame, I-Line Mount, Thermal Magnetic, Molded Case Circuit Breaker
- Installation/Operator:
- SchneiderElectric-SquareD_00076_INST.pdf
- Interrupting Rating:
- 18 kA at 600 VAC
- Data Sheet:
- SchneiderElectric-SquareD_04557_1_2_DATA.pdf
- Catalog:
- SchneiderElectric_00256_11_9_CAT.pdf
- Type:
- Molded Case, Thermal Magnetic, Main
- Number of Poles:
- 3
- Voltage Rating:
- 600 VAC, 250 VDC
- Current Rating:
- 50 A
MSRP $2,069.18Surplus $1,005.55 -
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Eaton FDB3050L Molded Case Breakers (MCCBs) 3P 50A
MSRP $1,573.09Surplus $655.38SKU: C15-6788 Brand: Eaton MPN: FDB3050L UPC: 78667930594 Shipping Weight: 4.60 lbs. Shipping Height: 5.00 In. Shipping Length: 8.00 In. Shipping Width: 5.00 In...- SKU:
- C15-6788
- TS PIK:
- 21011002
- Data Sheet:
- Eaton_07831_1-3_DATA.pdf
- Series:
- C, FDB
- Short Description:
- 600 VAC 50/60 Hz, 250 VDC, 50 A, 14/10 kA, 3-Pole, Line and Load Terminal, FD Frame, Thermal Magnetic, Molded Case, Non-Interchangeable Trip Circuit Breaker
- Catalog:
- Eaton_27487_V4T2_254_V4T2_255_V4T2_273_V4T2_274_CAT.pdf
- Voltage Rating:
- 600 VAC, 250 VDC
- Interrupting Rating:
- 18 kA at 240 VAC, 14 kA at 480/600 VAC, 10 kA at 250 VDC
- Current Rating:
- 50 A
- Installation/Operator:
- Eaton_00091_INST.pdf
- Type:
- Molded Case, Thermal Magnetic
- Maximum AC Voltage Rating:
- 600 V
- Number of Poles:
- 3
- Maximum DC Voltage Rating:
- 250 V
- Terminal Type:
- Standard Pressure Line and Load
- Size:
- 4.13 Inch Width x 3.38 Inch Depth x 6 Inch Height
- Frame Type:
- FD
- Country of Origin:
- Dominican Republic
- Approval:
- UL 489, CSA C22.2
MSRP $1,573.09Surplus $655.38 -
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Square D FAL36050 Molded Case Breakers (MCCBs)
MSRP $2,994.86Surplus $1,086.32SKU: E30-10231 Brand: Square D MPN: FAL36050 UPC: Shipping Weight: 5.10 lbs. Shipping Height: 5.00 In. Shipping Length: 8.00 In. Shipping Width: 6.00 In. Product...- SKU:
- E30-10231
- Short Description:
- 600 AC, 250 VDC, 50 A, 14/10 kA, 3-Pole, F-Frame, Unit Mount, Thermal Magnetic, Molded Case Circuit Breaker
- Current Rating:
- 50 A
- Terminal Type:
- Lug
- Voltage Rating:
- 600 VAC, 250 VDC
- Catalog:
- SchneiderElectric-SquareD_00096_25_26_CAT.pdf
- Number of Poles:
- 3
- Data Sheet:
- SchneiderElectric-SquareD_04490_1_2_DATA.pdf
- Installation/Operator:
- SchneiderElectric-SquareD_00076_INST.pdf
- Frame Type:
- F
- Size:
- 4.5 Inch Width x 4.13 Inch Depth x 6 Inch Height
- Type:
- Thermal Magnetic
- Interrupting Rating:
- 14 kA at 600 VAC
- Series:
- FA
- Prop 65 Warning:
- Yes
MSRP $2,994.86Surplus $1,086.32 -
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Crouse-Hinds FD3050 Molded Case Breakers (MCCBs)
MSRP $2,398.46Surplus $635.85SKU: C15-7277 Brand: Eaton MPN: FD3050 UPC: 78667930569 Shipping Weight: 4.50 lbs. Shipping Height: 6.00 In. Shipping Length: 4.13 In. Shipping Width: 3.38 In...- SKU:
- C15-7277
- TS PIK:
- 21508837
- Installation/Operator:
- Eaton_00091_INST.pdf
- Catalog:
- Eaton_27487_V4T2_254_V4T2_255_V4T2_273_V4T2_274_CAT.pdf
- Terminal Type:
- Standard Pressure Load
- Short Description:
- 600 VAC 50/60 Hz, 250 VDC, 50 A, 35/10 kA, 3-Pole, Standard Pressure Load Terminal, FD Frame, Thermal Magnetic, Molded Case, Non-Interchangeable Trip Circuit Breaker
- Voltage Rating:
- 600 VAC, 250 VDC
- Maximum DC Voltage Rating:
- 250 V
- Number of Poles:
- 3
- Series:
- C, FD
- Maximum AC Voltage Rating:
- 600 V
- Frame Type:
- FD
- Interrupting Rating:
- 65 kA at 240 VAC, 35 kA at 480 VAC, 18 kA at 600 VAC, 10 kA at 250 VDC
- CAD Drawings:
- Eaton_21586_1_CAD.pdf
- Current Rating:
- 50 A
- Size:
- 4.13 Inch Width x 3.38 Inch Depth x 6 Inch Height
- Data Sheet:
- Eaton_07831_1-3_8_9_DATA.pdf
- Type:
- Molded Case, Thermal Magnetic
- Country of Origin:
- Dominican Republic
MSRP $2,398.46Surplus $635.85 -
Crouse-Hinds HFD3050 Molded Case Breakers (MCCBs) EA
MSRP $3,113.10Surplus $403.49SKU: C15-8164 Brand: Crouse-Hinds MPN: HFD3050 UPC: Shipping Weight: 4.00 lbs. Shipping Height: 4.00 In. Shipping Length: 7.00 In. Shipping Width: 5.00 In. Product...- SKU:
- C15-8164
- TS PIK:
- 21506281
- Frame Type:
- FD
- Short Description:
- 600 VAC 50/60 Hz, 250 VDC, 50 A, 65/22 kA, 3-Pole, Standard Pressure Load Terminal, FD Frame, Thermal Magnetic, Molded Case, Non-Interchangeable Trip Circuit Breaker
- Interrupting Rating:
- 100 kA at 240 VAC, 65 kA at 480 VAC, 25 kA at 600 VDC, 22 kA at 250 VDC
- Current Rating:
- 50 A
- Number of Poles:
- 3
- Maximum DC Voltage Rating:
- 250 V
- Voltage Rating:
- 600 VAC, 250 VDC
- Installation/Operator:
- Eaton_00091_INST.pdf
- Type:
- Molded Case, Thermal Magnetic
- Catalog:
- Eaton_27487_V4T2_254_V4T2_255_V4T2_273_V4T2_274_CAT.pdf
- Size:
- 4.13 Inch Width x 3.38 Inch Depth x 6 Inch Height
- Terminal Type:
- Standard Pressure Load
- CAD Drawings:
- Eaton_21588_1_CAD.pdf
- Series:
- C, HFD
- Maximum AC Voltage Rating:
- 600 V
- Country of Origin:
- Dominican Republic
- Approval:
- UL 489, CSA C22.2
MSRP $3,113.10Surplus $403.49 -
Crouse-Hinds HMCP050K2 Motor Circuit Protector (MCPs)
MSRP $2,046.71Surplus $1,037.16SKU: C15-7303 Brand: Crouse-Hinds MPN: HMCP050K2 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-7303
- TS PIK:
- 21097389
- Current Rating:
- 50 A
- CAD Drawings:
- Eaton_00054_1-9_CAD.pdf
- Installation/Operator:
- Eaton_00176_INST.pdf
- Number of Poles:
- 3
- Catalog:
- Eaton_27487_V4T2_394_V4T2_395_CAT.pdf
- Type:
- Molded Case, Magnetic
- Maximum AC Voltage Rating:
- 600 VAC
- Terminal Type:
- Steel Line and Load Terminal
- Short Description:
- 600 VAC, 250 VDC, 50 A, 150 to 500 A Trip, 11.5 to 42.1 A FLA, 3-Pole, NEMA 2, Line and Load Terminal, F Frame, Magnetic, Molded Case, Motor Circuit Protector
- Frame Type:
- F
- Voltage Rating:
- 600 VAC, 250 VDC
- Maximum DC Voltage Rating:
- 250 VDC
- Series:
- C, HMCP
- Country of Origin:
- Dominican Republic
- Approval:
- UL 489, CSA C22.2, CE
- Trip Setting:
- 50 to 500 A
- Motor FLA:
- 11.5 to 42.1 A
- Starter Size:
- NEMA 2
MSRP $2,046.71Surplus $1,037.16 -
Cutler Hammer HMCP050G2C Motor Circuit Protector (MCPs) EA
MSRP $2,046.71Surplus $220.15SKU: C15-6837 Brand: Cutler-Hammer MPN: HMCP050G2C UPC: 78667903308 Shipping Weight: 4.50 lbs. Shipping Height: 5.00 In. Shipping Length: 8.00 In. Shipping Width: 5...- SKU:
- C15-6837
- Short Description:
- 600 VAC, 250 VDC, 50 A, 3-Pole, 80 to 120 A Trip, NEMA 2, Non-Aluminum Terminal, F Frame, Molded Case, Magnetic, Motor Circuit Protector
- Series:
- C, HMCP
- Frame Type:
- F
- Maximum DC Voltage Rating:
- 250 V
- Catalog:
- Eaton_46579_V4T2_254_V4T2_255_V4T2_394_V4T2_395_V4T2_399_CAT.pdf
- Number of Poles:
- 3
- CAD Drawings:
- Eaton_00054_1-9_CAD.pdf
- Voltage Rating:
- 600 VAC, 250 VDC
- Type:
- Molded Case, Magnetic
- Current Rating:
- 50 A
- Installation/Operator:
- Eaton_00176_INST.pdf
- Maximum AC Voltage Rating:
- 600 V
- Terminal Type:
- Non-Aluminum Line and Load Terminal
- Country of Origin:
- Dominican Republic
- Approval:
- UL 489, CSA C22.2, CE
- Trip Setting:
- 80 to 120 A
- Starter Size:
- NEMA 2
MSRP $2,046.71Surplus $220.15 -
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Eaton FD3050 Molded Case Breakers (MCCBs) EA
MSRP $2,398.46Surplus $740.17SKU: C15-8978 Brand: Eaton MPN: FD3050 UPC: 78667930569 Shipping Weight: 4.00 lbs. Shipping Height: 4.00 In. Shipping Length: 5.00 In. Shipping Width: 6.00 In...- SKU:
- C15-8978
- Data Sheet:
- Eaton_07831_1-3_8_9_DATA.pdf
- Size:
- 4.13 Inch Width x 3.38 Inch Depth x 6 Inch Height
- Series:
- C
- Frame Type:
- FD
- Number of Poles:
- 3
- Voltage Rating:
- 600 VAC, 250 VDC
- Type:
- Molded Case, Thermal Magnetic
- Maximum DC Voltage Rating:
- 250 V
- Catalog:
- Eaton_27487_V4T2_254_V4T2_255_V4T2_273_V4T2_274_CAT.pdf
- Current Rating:
- 50 A
- Terminal Type:
- Standard Pressure Load
- Short Description:
- 600 VAC 50/60 Hz, 250 VDC, 50 A, 35/10 kA, 3-Pole, Standard Pressure Load Terminal, FD Frame, Thermal Magnetic, Molded Case, Non-Interchangeable Trip Circuit Breaker
- CAD Drawings:
- Eaton_21586_1_CAD.pdf
- Maximum AC Voltage Rating:
- 600 V
- Interrupting Rating:
- 65 kA at 240 VAC, 35 kA at 480 VAC, 18 kA at 600 VAC, 10 kA at 250 VDC
- Installation/Operator:
- Eaton_00091_INST.pdf
MSRP $2,398.46Surplus $740.17 -
Eaton HFD3050 Molded Case Breakers (MCCBs)
MSRP $2,766.16Surplus $1,167.89SKU: C15-1677 Brand: Eaton MPN: HFD3050 UPC: Shipping Weight: 4.05 lbs. Shipping Height: 5.00 In. Shipping Length: 7.00 In. Shipping Width: 5.00 In. Product...- SKU:
- C15-1677
- Series:
- C, HFD
- Type:
- Molded Case
- Type:
- Thermal Magnetic
- Approval:
- UL 489
- Approval:
- CSA C22.2
- Size:
- 4.13 Inch Width x 3.38 Inch Depth x 6 Inch Height
- Volts:
- 600 VAC at 50/60 Hertz
- Volts:
- 250 VDC
- Amps:
- 32 A
- Poles:
- 3
- Interrupting Rating:
- 100 kA at 240 VAC
- Interrupting Rating:
- 65 kA at 480 Volt AC at 50/60 Hertz
- Interrupting Rating:
- 25 kA at 600 Volt DC
- Interrupting Rating:
- 22 kA at 250 Volt DC
- Terminal Type:
- Standard Pressure Load
- Frame Type:
- FD
- Maximum AC Voltage Rating:
- 600 V
- Maximum DC Voltage Rating:
- 250 V
- Short Description:
- 600 VAC 50/60 Hz, 250 VDC, 50 A, 65/22 kA, 3-Pole, Standard Pressure Load Terminal, FD Frame, Thermal Magnetic, Molded Case
- Catalog:
- Eaton_27487_V4T2_254_V4T2_255_V4T2_273_V4T2_274_CAT.pdf
- Installation/Operator:
- Eaton_00091_INST.pdf
- CAD Drawing:
- Eaton_21588_1_CAD.pdf
- Current Rating:
- 50 A
- CAD Drawings:
- Eaton_21588_1_CAD.pdf
- Voltage Rating:
- 600 VAC, 250 VDC
- Number of Poles:
- 3
- TS PIK:
- 21506281
- Country of Origin:
- United States
MSRP $2,766.16Surplus $1,167.89 -
Square D FH26050AB Molded Case Breakers (MCCBs)
MSRP $1,441.62Surplus $147.02Square D FH26050AB Molded Case Breakers (MCCBs)​ ARCA SKU: C15-7184 Brand: Square D MPN: FH26050AB UPC: Shipping Weight: 3.75 lbs. Shipping Height: 7.00 In. Shipping...- SKU:
- C15-7184
- Short Description:
- 240/480/600 VAC, 250 VDC, 50 A, 65/25/18/10 kA, 1-Phase, 2-Pole, F-Frame, I-Line Mount, Thermal Magnetic, Molded Case Circuit Breaker
- Interrupting Rating:
- 18 kA at 600 VAC
- Catalog:
- SchneiderElectric_00256_11_9_CAT.pdf
- Series:
- 650, FH
- Type:
- Molded Case, Thermal Magnetic, Main
- Current Rating:
- 50 A
- Voltage Rating:
- 600 VAC, 250 VDC
- Data Sheet:
- SchneiderElectric-SquareD_04540_1_2_DATA.pdf
- Installation/Operator:
- SchneiderElectric-SquareD_00076_INST.pdf
- Number of Poles:
- 2
- Number of Phases:
- 1
- Prop 65 Warning:
- Yes
- Application:
- Construction
- Trip Setting:
- 400 A Hold, 850 A Trip
- Approval:
- UL 489, CSA, IEC, Federal Specification W-C-375B/GEN
- Installation:
- Plug-On
- Used On:
- I-Line Panelboard and Switchboard
MSRP $1,441.62Surplus $147.02 -
Square D FHL36050 Molded Case Breakers (MCCBs)
MSRP $1,124.79Surplus $701.89SKU: C15-6427 Brand: Square D MPN: FHL36050 UPC: Shipping Weight: 4.60 lbs. Shipping Height: 5.00 In. Shipping Length: 7.00 In. Shipping Width: 6.00 In. Product...- SKU:
- C15-6427
- Type:
- Thermal Magnetic
- Number of Poles:
- 3
- Frame Type:
- F
- Interrupting Rating:
- 18 kA at 600 VAC
- Catalog:
- SchneiderElectric_00256_11_8_CAT.pdf
- Current Rating:
- 50 A
- Voltage Rating:
- 600 VAC, 250 VDC
- Data Sheet:
- SchneiderElectric-SquareD_04576_1_2_DATA.pdf
- Size:
- 4.5 Inch Width x 4.13 Inch Depth x 6 Inch Height
- Short Description:
- 600 VAC, 250 VDC, 50 A, 18/10 kA, 3-Pole, F-Frame, Unit Mount, Thermal Magnetic, Molded Case Circuit Breaker
- Terminal Type:
- Lug
- Installation/Operator:
- SchneiderElectric-SquareD_00076_INST.pdf
- Series:
- FH
- Prop 65 Warning:
- Yes
- Approval:
- UL, CSA, IEC, Federal Specification W-C-375B/GEN
MSRP $1,124.79Surplus $701.89
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