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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Crouse-Hinds BR350 Miniature Circuit Breakers (MCBs) EA
MSRP $459.53Surplus $222.23SKU: C15-5668 Brand: Crouse-Hinds MPN: BR350 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- C15-5668
- TS PIK:
- 21493898
- Series:
- BR
- Short Description:
- 240 VAC, 50 A, 10 kA, 3-Pole, Plug-On Mount, Common Trip, Duplex, Thermal Magnetic, Circuit Breaker
- Type:
- Thermal Magnetic, Common Trip
- Voltage Rating:
- 240 VAC
- Number of Poles:
- 3
- Mounting:
- Plug-On
- Current Rating:
- 50 A
- Interrupting Rating:
- 10 kA
- Used On:
- BR Series Load Center
- Catalog:
- Eaton_36620_V1T1_85_CAT.pdf
- Wire Size:
- 14 to 4 AWG (Copper/Aluminum)
MSRP $459.53Surplus $222.23 -
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Crouse-Hinds CH350 Everything Else
MSRP $314.15Surplus $110.27Crouse-Hinds CH350 Everything Else​ ARCA SKU: C15-5780 Brand: Crouse-Hinds MPN: CH350 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In...- SKU:
- C15-5780
- Short Description:
- 240 VAC, 50 A, 10 kA, 3-Pole, Plug-On Mount, Common Trip, Thermal Magnetic, Circuit Breaker
- Type:
- Thermal Magnetic, Common Trip
- Voltage Rating:
- 240 VAC
- Current Rating:
- 50 A
- Series:
- CH
- Wire Size:
- 10 to 1/0 AWG (Copper/Aluminum)
- Catalog:
- Eaton_36620_V1T1_36_V1T1_37_CAT.pdf
- Mounting:
- Plug-On
- Number of Poles:
- 3
- Used On:
- CH Series Load Center
- Interrupting Rating:
- 10 kA
- Country of Origin:
- Dominican Republic
MSRP $314.15Surplus $110.27 -
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Crouse-Hinds EHD3050 Molded Case Breakers (MCCBs)
MSRP $1,317.14Surplus $478.95SKU: C15-5731 Brand: Crouse-Hinds MPN: EHD3050 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- C15-5731
- TS PIK:
- 21509142
- Interrupting Rating:
- 18 kA at 240 VAC, 14 kA at 480 VAC
- Catalog:
- Eaton_27487_V4T2_254_V4T2_255_V4T2_273_V4T2_274_CAT.pdf
- Series:
- C, EHD
- Approval:
- UL 489, CSA C22.2
- Size:
- 4.13 Inch Width x 3.38 Inch Depth x 6 Inch Height
- Installation/Operator:
- Eaton_00091_INST.pdf
- Short Description:
- 480 VAC 50/60 Hz, 250 VDC, 50 A, 14/10 kA, 3-Pole, Standard Pressure Load Terminal, EHD Frame, Thermal Magnetic, Molded Case, Non-Interchangeable Trip Circuit Breaker
- Type:
- Molded Case, Fixed Thermal Magnetic
- Number of Poles:
- 3
- Maximum AC Voltage Rating:
- 480 V
- Voltage Rating:
- 480 VAC 50/60 Hertz, 250 VDC
- Data Sheet:
- Eaton_40755_1-4_DATA.pdf
- Current Rating:
- 50 A
- Maximum DC Voltage Rating:
- 250 V
- Frame Type:
- F
MSRP $1,317.14Surplus $478.95 -
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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
- Approval:
- UL 489, CSA C22.2
MSRP $2,398.46Surplus $635.85 -
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Crouse-Hinds FDB3050 Molded Case Breakers (MCCBs)
MSRP $1,542.88Surplus $648.20SKU: C15-7286 Brand: Crouse-Hinds MPN: FDB3050 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- C15-7286
- TS PIK:
- 115281333
- Interrupting Rating:
- 14 kA at 480 VAC
- Short Description:
- 600 VAC 50/60 Hz, 250 VDC, 50 A, 14/10 kA, 3-Pole, Standard Pressure Load Terminal, FD Frame, Thermal Magnetic, Molded Case, Non-Interchangeable Trip Circuit Breaker
- Number of Poles:
- 3
- Series:
- C, FDB
- Type:
- Molded Case, Thermal Magnetic
- Data Sheet:
- Eaton_07831_1-3_DATA.pdf
- Terminal Type:
- Standard Pressure Load Terminal
- Frame Type:
- FD
- Approval:
- UL 489, CSA C22.2
- Maximum DC Voltage Rating (V):
- 250
- Maximum AC Voltage Rating (V):
- 600
- Installation/Operator:
- Eaton_00091_INST.pdf
- Voltage Rating:
- 600 VAC, 250 VDC
- Current Rating:
- 50 A
- 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
MSRP $1,542.88Surplus $648.20 -
Crouse-Hinds HFD3050 Molded Case Breakers (MCCBs) EA
MSRP $3,113.10Surplus $393.40SKU: 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 $393.40 -
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Crouse-Hinds HFD3050L Molded Case Breakers (MCCBs) 3P 50A EA
MSRP $3,144.74Surplus $773.49SKU: C15-7264 Brand: Crouse-Hinds MPN: HFD3050L UPC: 78667917513 Shipping Weight: 4.60 lbs. Shipping Height: 5.00 In. Shipping Length: 8.00 In. Shipping Width: 5.00...- SKU:
- C15-7264
- TS PIK:
- 21097391
- Short Description:
- 600 VAC 50/60 Hz, 250 VDC, 50 A, 65/22 kA, 3-Pole, Line and Load Terminal, FD Frame, Thermal Magnetic, Molded Case, Non-Interchangeable Trip Circuit Breaker
- Voltage Rating:
- 600 VAC 50/60 Hertz, 250 VDC
- Frame Type:
- FD
- Current Rating:
- 50 A
- Number of Poles:
- 3
- Interrupting Rating:
- 100 kA at 240 VAC, 65 kA at 480 VAC, 25 kA at 600 VDC, 22 kA at 250 VDC
- Series:
- HFD
- Catalog:
- Eaton_27487_V4T2_254_V4T2_255_V4T2_273_V4T2_274_CAT.pdf
- Installation/Operator:
- Eaton_00091_INST.pdf
- Type:
- Molded Case, Thermal Magnetic
- Maximum AC Voltage Rating:
- 600 V
- Maximum DC Voltage Rating:
- 250 V
- Size:
- 4.13 Inch Width x 3.38 Inch Depth x 6 Inch Height
- CAD Drawings:
- Eaton_21588_1_CAD.pdf
- Terminal Type:
- Standard Pressure Line and Load
- Country of Origin:
- Dominican Republic
MSRP $3,144.74Surplus $773.49 -
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 -
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Crouse-Hinds HMCPE050K2C Motor Circuit Protector (MCPs)
MSRP $1,650.94Surplus $1,075.90SKU: C15-8189 Brand: Crouse-Hinds MPN: HMCPE050K2C UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-8189
- Voltage Rating:
- 600 Star/347 VAC, 250 VDC
- Maximum AC Voltage Rating:
- 347 V
- Short Description:
- 480 VAC, 600 Star/347 VAC, 250 VDC, 50 A, 150 to 550 A Trip, 11.5 to 43.5 A FLA, 3-Pole, NEMA 2, Non-Aluminum Line and Load Terminal, EG Frame, Magnetic, Molded Case, Motor Circuit Protector
- Number of Poles:
- 3
- Catalog:
- Eaton_27487_V4T2_225_CAT.pdf
- Series:
- G, HMCPE
- Type:
- Molded Case, Magnetic
- Current Rating:
- 50 A
- Terminal Type:
- Non-Aluminum Line and Load Terminal
- Size:
- 2.99 Inch Width x 3 Inch Depth x 5.5 Inch Height
- Maximum DC Voltage Rating:
- 250 V
- Frame Type:
- EG
- Motor FLA:
- 11.5 to 43.5 A
- Trip Setting:
- 150 to 550 A
- Approval:
- UL 489, CSA C22.2, CE
- Starter Size:
- NEMA 2
MSRP $1,650.94Surplus $1,075.90 -
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Crouse-Hinds QBHW3050H Miniature Circuit Breakers (MCBs)
MSRP $938.98Surplus $263.56SKU: C15-5413 Brand: Crouse-Hinds MPN: QBHW3050H UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-5413
- TS PIK:
- 21510611
- Type:
- Thermal Magnetic
- Series:
- QBHW
- Number of Poles:
- 3
- Wire Size:
- 14 to 4 AWG Aluminum/Copper (Load)
- Interrupting Rating:
- 22000 A at 240 VAC
- Catalog:
- Eaton_03771_V4T1_12_CAT.pdf
- Current Rating:
- 50 A
- Mounting:
- Bolt-On
- Terminal Type:
- Extended Tang Line Terminal, Box Lug Load Terminal
- Short Description:
- 240 VAC, 50 A, 22 kA, 3-Pole, Extended Tang Line/Steel Box Lug Load Terminal, Bolt-On Mount, Thermal Magnetic, Miniature, Circuit Breaker
- Voltage Rating:
- 240 VAC
- Approval:
- UL 489, CSA
MSRP $938.98Surplus $263.56 -
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Crouse-Hinds QC3050H Din Rail Mounted Circuit Breakers
MSRP $798.01Surplus $193.02SKU: C15-5775 Brand: Crouse-Hinds MPN: QC3050H UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- C15-5775
- TS PIK:
- 21507383
- Type:
- Thermal Magnetic
- Voltage Rating:
- 240 VAC
- Interrupting Rating:
- 10000 A
- Current Rating:
- 50 A
- Mounting:
- Cable-In, Cable Out
- Series:
- Type QC
- Catalog:
- Eaton_03771_V4T1_19_V4T1_20_V4T1_46_CAT.pdf
- Terminal Type:
- Box Lug
- Number of Poles:
- 3
- Wire Size:
- 14 to 4 AWG (Aluminum/Copper, Load)
- Approval:
- UL 489, CSA
- Short Description:
- 240 VAC, 50 A, 10 kA, 3-Pole, Aluminum Box Lug Line/Steel Box Lug Load Terminal, Cable-In/Out Mount, Thermal Magnetic, Miniature, Circuit Breaker
MSRP $798.01Surplus $193.02
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