
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 FXD63B090 Molded Case Breakers (MCCBs)
MSRP $6,714.00Surplus $911.38SKU: C15-7439 Brand: Siemens MPN: FXD63B090 UPC: 78364321121 Shipping Weight: 8.85 lbs. Shipping Height: 7.00 In. Shipping Length: 11.00 In. Shipping Width: 6.00 In...- SKU:
- C15-7439
- TS PIK:
- 21330796
- Country of Origin:
- Mexico
MSRP $6,714.00Surplus $911.38 -
Siemens FXD63B100 Molded Case Breakers (MCCBs)
MSRP $6,159.00Surplus $1,866.55SKU: C15-7661 Brand: Siemens MPN: FXD63B100 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- C15-7661
- TS PIK:
- 120776345
- Maximum AC Voltage Rating:
- 600 V
- Country of Origin:
- Mexico
- Catalog:
- SiemensAG_01698_17_78_17_82_17_110_17_111_CAT.pdf
- Frame Type:
- FD
- Maximum DC Voltage Rating:
- 500 V
- Series:
- FXD6-A
- Type:
- Thermal Magnetic, Non-Interchangeable Trip
- Size:
- 4.5 Inch Width x 4 Inch Depth x 9.5 Inch Height
- Voltage Rating:
- 600 VAC, 500 VDC
- Number of Poles:
- 3
- Interrupting Rating:
- 22 kA at 600 VAC, 18 kA at 500 VDC
- Installation/Operator:
- SiemensAG_00224_INST.pdf
- Current Rating:
- 100 A
- Short Description:
- 600 VAC 50/60 Hz, 500 VDC, 100 A, 35 kA at 480 VAC, 3-Pole, FD Frame, Thermal Magnetic Trip Unit, Non-Interchangeable Trip, Molded Case Circuit Breaker
MSRP $6,159.00Surplus $1,866.55 -
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Siemens FXD63B100L Molded Case Breakers (MCCBs)
MSRP $6,516.00Surplus $2,345.76Siemens FXD63B100L Molded Case Breakers (MCCBs)​ ARCA SKU: C15-7578 Brand: Siemens MPN: FXD63B100L UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping...- SKU:
- C15-7578
MSRP $6,516.00Surplus $2,345.76 -
Siemens FXD63B110L Molded Case Breakers (MCCBs)
MSRP $7,103.00Surplus $1,031.16SKU: C15-7513 Brand: Siemens MPN: FXD63B110L UPC: 78364300586 Shipping Weight: 9.00 lbs. Shipping Height: 7.00 In. Shipping Length: 11.00 In. Shipping Width: 6.00 In...- SKU:
- C15-7513
- TS PIK:
- 115558034
- Size:
- 4.5 Inch Width x 4 Inch Depth x 9.5 Inch Height
- Maximum AC Voltage Rating:
- 600 V
- Terminal Type:
- Line and Load Lug
- Type:
- Molded Case, Low Vage, Thermal Magnetic, Standard Breaking Capacity
- Maximum DC Voltage Rating:
- 500 V
- Interrupting Rating:
- 22 kA at 600 VAC, 18 kA at 500 VDC
- Voltage Rating:
- 600 VAC 50/60 Hertz, 500 VDC
- Installation/Operator:
- SiemensAG_00590_INST.pdf
- Frame Type:
- FD
- Number of Poles:
- 3
- Catalog:
- SiemensAG_09175_17_4_17_81_17_85_17_114_CAT.pdf
- Current Rating:
- 110 A
- Short Description:
- BRKR FD6 3P 600V 110A FX LUG
- Country of Origin:
- Mexico
MSRP $7,103.00Surplus $1,031.16 -
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Siemens FXD63B125L Molded Case Breakers (MCCBs)
MSRP $6,516.00Surplus $2,129.92SKU: C15-7579 Brand: Siemens MPN: FXD63B125L UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- C15-7579
MSRP $6,516.00Surplus $2,129.92 -
Siemens FXD63B150 Motor Circuit Protector (MCPs)
MSRP $6,159.00Surplus $1,008.14SKU: C15-7440 Brand: Siemens MPN: FXD63B150 UPC: Shipping Weight: 8.70 lbs. Shipping Height: 9.50 In. Shipping Length: 4.00 In. Shipping Width: 4.50 In. Product...- SKU:
- C15-7440
- TS PIK:
- 21367526
- Voltage Rating:
- 600 VAC, 500 VDC
- Frame Type:
- FD
- Short Description:
- 240 VAC, 150 A, 22 kA Interrupt, 3-Pole, FXD6-Frame, Thermal Magnetic, Non-Interchangeable Trip, Molded Case Circuit Breaker
- Series:
- FXD6-A
- Number of Poles:
- 3
- Interrupting Rating:
- 22 kA at 600 VAC, 18 kA at 500 VDC
- Current Rating:
- 150 A
- Type:
- Thermal Magnetic, Non-Interchangeable Trip
- Maximum AC Voltage Rating:
- 600 V
- Size:
- 4.5 Inch Width x 4 Inch Depth x 9.5 Inch Height
- Catalog:
- SiemensAG_00876_2_18_2_19_CAT.pdf
- Maximum DC Voltage Rating:
- 500 V
- Country of Origin:
- Mexico
- Approval:
- UL 489, CSA C22.2, CE, Federal Specification Class 20A
MSRP $6,159.00Surplus $1,008.14 -
Siemens FXD63B175 Motor Circuit Protector (MCPs)
MSRP $6,714.00Surplus $1,008.14SKU: C15-7441 Brand: Siemens MPN: FXD63B175 UPC: 78364321126 Shipping Weight: 8.55 lbs. Shipping Height: 5.00 In. Shipping Length: 9.00 In. Shipping Width: 4.00 In...- SKU:
- C15-7441
- TS PIK:
- 21332466
- Current Rating:
- 175 A
- Number of Poles:
- 3
- Voltage Rating:
- 600 VAC, 500 VDC
- Maximum DC Voltage Rating:
- 500 V
- Series:
- FXD6-A
- Short Description:
- 600 VAC 50/60 Hz, 500 VDC, 175 A, 35 kA at 480 VAC, 3-Pole, FD Frame, Thermal Magnetic Trip Unit, Non-Interchangeable Trip, Molded Case Circuit Breaker
- Frame Type:
- FD
- Size:
- 4.5 Inch Width x 4 Inch Depth x 9.5 Inch Height
- Catalog:
- SiemensAG_01698_17_78_17_82_17_110_17_111_CAT.pdf
- Installation/Operator:
- SiemensAG_00224_INST.pdf
- Type:
- Thermal Magnetic, Non-Interchangeable Trip
- Interrupting Rating:
- 22 kA at 600 VAC, 18 kA at 500 VDC
- Maximum AC Voltage Rating:
- 600 V
- Country of Origin:
- Mexico
- Approval:
- UL 489, CSA C22.2, CE, Federal Specification Class 20A
MSRP $6,714.00Surplus $1,008.14 -
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Siemens FXD63B175L Molded Case Breakers (MCCBs)
MSRP $6,513.00Surplus $2,003.98SKU: C15-7580 Brand: Siemens MPN: FXD63B175L UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- C15-7580
MSRP $6,513.00Surplus $2,003.98 -
Siemens FXD63B200 Molded Case Breakers (MCCBs) FXD 3P 200A 600V 50/60Hz 3Ph
MSRP $6,714.00Surplus $803.57SKU: C15-4007 Brand: Siemens MPN: FXD63B200 UPC: 78364321127 Shipping Weight: 8.90 lbs. Shipping Height: 8.00 In. Shipping Length: 12.00 In. Shipping Width: 6.00 In...- SKU:
- C15-4007
- Frame Type:
- FD
- Voltage Rating:
- 600 VAC, 500 VDC
- Current Rating:
- 200 A
- Number of Poles:
- 3
- Interrupting Rating:
- 22 kA at 600 VAC, 18 kA at 500 VDC
- Type:
- Thermal Magnetic, Non-Interchangeable Trip
- Maximum AC Voltage Rating:
- 600 V
- Maximum DC Voltage Rating:
- 500 V
- Size:
- 4.5 Inch Width x 4 Inch Depth x 9.5 Inch Height
- Short Description:
- 600 VAC 50/60 Hz, 500 VDC, 200 A at 40 Deg C, 35 kA at 480 VAC, 3-Pole, FD Frame, Thermal Magnetic Trip Unit, Non-Interchangeable Trip, Molded Case Circuit Breaker
- Catalog:
- SiemensAG_01698_17_78_17_82_17_110_17_111_CAT.pdf
- Installation/Operator:
- SiemensAG_00224_INST.pdf
- Country of Origin:
- Mexico
- Approval:
- UL 489, CSA C22.2, CE, Federal Specification Class 20A
MSRP $6,714.00Surplus $803.57 -
Siemens FXD63B225 Motor Circuit Protector (MCPs)
MSRP $6,159.00Surplus $1,008.14SKU: C15-7443 Brand: Siemens MPN: FXD63B225 UPC: 78364321128 Shipping Weight: 8.55 lbs. Shipping Height: 10.00 In. Shipping Length: 5.00 In. Shipping Width: 4.00 In...- SKU:
- C15-7443
- TS PIK:
- 21332473
- Voltage Rating:
- 600 VAC, 500 VDC
- Series:
- FXD6-A
- Short Description:
- 600 VAC 50/60 Hz, 500 VDC, 225 A, 35 kA at 480 VAC, 3-Pole, FD Frame, Thermal Magnetic Trip Unit, Non-Interchangeable Trip, Molded Case Circuit Breaker
- Current Rating:
- 225 A
- Interrupting Rating:
- 22 kA at 600 VAC, 18 kA at 500 VDC
- Number of Poles:
- 3
- Catalog:
- SiemensAG_01698_17_78_17_82_17_110_17_111_CAT.pdf
- Size:
- 4.5 Inch Width x 4 Inch Depth x 9.5 Inch Height
- Maximum AC Voltage Rating:
- 600 V
- Installation/Operator:
- SiemensAG_00224_INST.pdf
- Type:
- Thermal Magnetic, Non-Interchangeable Trip
- Frame Type:
- FD
- Maximum DC Voltage Rating:
- 500 V
- Country of Origin:
- Mexico
- Approval:
- UL 489, CSA C22.2, CE, Federal Specification Class 20A
MSRP $6,159.00Surplus $1,008.14 -
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Siemens FXD63B225L Molded Case Breakers (MCCBs)
MSRP $6,513.00Surplus $1,719.49SKU: C15-7444 Brand: Siemens MPN: FXD63B225L UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- C15-7444
MSRP $6,513.00Surplus $1,719.49 -
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Siemens FXD63B250L Molded Case Breakers (MCCBs)
MSRP $10,010.00Surplus $3,315.47SKU: C15-7581 Brand: Siemens MPN: FXD63B250L UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- C15-7581
MSRP $10,010.00Surplus $3,315.47 -
Siemens GU221 Molded Case Breakers (MCCBs) EA
MSRP $100.00Surplus $14.92Siemens GU221 Molded Case Breakers (MCCBs) EA​ ARCA SKU: C15-9236 Brand: Siemens MPN: GU221 UPC: Shipping Weight: 3.40 lbs. Shipping Height: 3.00 In. Shipping Length: 8...- SKU:
- C15-9236
- Type:
- Circuit Protection, General Duty Safety
- Current Rating:
- 30 A
- Number of Poles:
- 2
- Approval:
- UL
- Enclosure:
- NEMA 1
MSRP $100.00Surplus $14.92 -
Siemens HB3B020 Miniature Circuit Breakers (MCBs)
MSRP $1,177.00Surplus $144.67SKU: C15-7446 Brand: Siemens MPN: HB3B020 UPC: 78364311126 Shipping Weight: 1.10 lbs. Shipping Height: 3.00 In. Shipping Length: 4.00 In. Shipping Width: 3.00 In...- SKU:
- C15-7446
- TS PIK:
- 21333605
- Terminal Type:
- Load Lug
- Type:
- Molded Case, Low Vage, Common Trip, Circuit Protector
- Current Rating:
- 20 A
- Voltage Rating:
- 240 VAC
- Size:
- 3 Inch Width x 3 Inch Depth x 4 Inch Height
- Data Sheet:
- SiemensAG_09573_1_2_DATA.pdf
- Catalog:
- SiemensAG_09175_17_8_17_9_CAT.pdf
- Interrupting Rating:
- 65 kA at 240 VAC
- Number of Poles:
- 3
- Country of Origin:
- Mexico
MSRP $1,177.00Surplus $144.67 -
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Siemens HE63B060 Molded Case Breakers (MCCBs) HE 3P 60A 600VAC 50/60Hz 3Ph
MSRP $2,194.00Surplus $464.84Siemens HE63B060 Molded Case Breakers (MCCBs) HE 3P 60A 600VAC 50/60Hz 3Ph​ ARCA SKU: C15-4362 Brand: Siemens MPN: HE63B060 UPC: Shipping Weight: 3.40 Shipping Height: 4.00 In. Shipping...- SKU:
- C15-4362
- Frame Type:
- H
- Voltage Rating:
- 600 VAC
- Current Rating:
- 60 A
- Number of Poles:
- 3
- Short Description:
- HE 3P 60A 600VAC 50/60Hz 3Ph
MSRP $2,194.00Surplus $464.84 -
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Siemens HEB1B020 Molded Case Breakers (MCCBs)
MSRP $252.94Surplus $91.06Siemens HEB1B020 Molded Case Breakers (MCCBs)​ ARCA SKU: C15-6180 Brand: Siemens MPN: HEB1B020 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping...- SKU:
- C15-6180
MSRP $252.94Surplus $91.06 -
Siemens HEB2B015B Molded Case Circuit Breakers (MCCBs)
MSRP $10,162.00Surplus $420.03SKU: C15-7684 Brand: Siemens MPN: HEB2B015B UPC: 78364355880 Shipping Weight: 1.80 lbs. Shipping Height: 4.00 In. Shipping Length: 7.00 In. Shipping Width: 4.00 In...- SKU:
- C15-7684
- TS PIK:
- 121608104
- Short Description:
- BRKR HEB 15A 2P 480V 65K LD LUG
- Number of Poles:
- 2
- Country of Origin:
- Dominican Republic
MSRP $10,162.00Surplus $420.03 -
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Siemens HEB3B040 Miniature Circuit Breakers (MCBs)
MSRP $1,686.24Surplus $621.50SKU: C15-7530 Brand: Siemens MPN: HEB3B040 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- C15-7530
MSRP $1,686.24Surplus $621.50 -
Siemens HEB3B050B Molded Case Breakers (MCCBs) HE 3P 50A 120/240V 50/60Hz 3Ph
MSRP $5,361.00Surplus $914.57SKU: C15-4133 Brand: Siemens MPN: HEB3B050B UPC: 783643559028 Shipping Weight: 2.60 lbs. Shipping Height: 4.00 In. Shipping Length: 7.00 In. Shipping Width: 4.00 In...- SKU:
- C15-4133
- Series:
- HEB
- Type:
- Molded Case
- Type:
- Thermal and Fixed Magnetic
- Approval:
- UL 489
- Approval:
- CSA
- Approval:
- IEC 60947-2
- Volts:
- 240/480 VAC
- Volts:
- 600 Star/347 VAC at 50/60 Hz
- Volts:
- 125/250 VDC (UL/CSA)
- Volts:
- 240/415 VAC at 50/60 Hz
- Volts:
- 125/250 VDC (IEC)
- Amps:
- 32 A
- Used On:
- P1/P2/P3/P4/P5 Panelboard
- Poles:
- 3
- Interrupting Rating:
- 65 kA at 480 VAC
- Interrupting Rating:
- 25 kA at 600 Star/347 VAC
- Interrupting Rating:
- 42 kA at 125/250 VDC (UL/CSA)
- Interrupting Rating:
- 70 kA at 415 VAC
- Interrupting Rating:
- 42 kA at 125/250 VDC (IEC)
- Application:
- Lighting
- Application:
- Distribution
- Short Description:
- 240/480/600 Star/347 VAC 50/60 Hz, 125/250 VDC, 50 A, 100 kA, 3-Pole, Thermal Magnetic Trip Unit
- Catalog:
- SiemensAG_01815_1_CAT.pdf
- Country of Origin:
- Dominican Republic
MSRP $5,361.00Surplus $914.57 -
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Siemens HEB3B060B Miniature Circuit Breakers (MCBs)
MSRP $11,897.00Surplus $2,424.73SKU: C15-7582 Brand: Siemens MPN: HEB3B060B UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- C15-7582
- TS PIK:
- 123475002
MSRP $11,897.00Surplus $2,424.73
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