
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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Eaton JT3225FA Trip Units JT 3P 225A 600V 50/60Hz EA
MSRP $1,039.00Surplus $392.16SKU: A13-1090 Brand: Eaton MPN: JT3225FA UPC: 786685175515 Shipping Weight: 0.60 lbs. Shipping Height: 3.50 In. Shipping Length: 6.50 In. Shipping Width: 4.00 In...- SKU:
- A13-1090
MSRP $1,039.00Surplus $392.16 -
Eaton JT3225T Trip Units
MSRP $2,318.55Surplus $472.50SKU: A13-1089 Brand: Eaton MPN: JT3225T UPC: 786679404164 Shipping Weight: 1.00 lbs. Shipping Height: 4.00 In. Shipping Length: 5.00 In. Shipping Width: 4.00 In...- SKU:
- A13-1089
- Adjustment:
- Magnetic Trip
- Approval:
- UL
- Amps:
- 225 A
- Frame:
- J
- Poles:
- 3
- Type:
- Thermal Magnetic
- Short Description:
- 225 A, 3-Pole, J Frame, Thermal Magnetic, Molded Case Circuit Breaker Trip Unit
- Series:
- C
- TS PIK:
- 21510859
- Catalog:
- Eaton_27487_V4T2_282_V4T2_292_V4T2_293_CAT.pdf
- Frame Type:
- J
- Current Rating:
- 225 A
- Number of Poles:
- 3
- Country of Origin:
- Dominican Republic
MSRP $2,318.55Surplus $472.50 -
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Eaton JT3250AA Trip Units JT 3P 250A 600V 50/60Hz
MSRP $2,150.00Surplus $932.10SKU: A13-1206 Brand: Eaton MPN: JT3250AA UPC: 786685175430 Shipping Weight: 1.00 lbs. Shipping Height: 4.00 In. Shipping Length: 7.00 In. Shipping Width: 4.00 In...- SKU:
- A13-1206
- Short Description:
- EATON MOLDED CASE CIRCUIT BREAKER ACCESSORY TRIP UNIT, TRIP UNIT, 250 A, THREE-P
- Poles:
- 3
- Volts:
- 600 V
- Amps:
- 250 A
- Type:
- JT
- Series:
- G Series
MSRP $2,150.00Surplus $932.10 -
Eaton K5AB-1818011 Circuit Breaker Accessories
MSRP $50.00Surplus $12.48Eaton K5AB-1818011 Circuit Breaker Accessories​ ARCA SKU: C15-11324 Brand: Eaton MPN: K5AB-1818011 UPC: 8711426533684 Shipping Weight: 0.80 lbs. Shipping Height: 4.00 In. Shipping...- SKU:
- C15-11324
MSRP $50.00Surplus $12.48 -
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Eaton KCDPLB Circuit Breaker Accessories
MSRP $850.00Surplus $164.35Eaton KCDPLB Circuit Breaker Accessories​ ARCA SKU: C15-8888 Brand: Eaton MPN: KCDPLB UPC: Shipping Weight: 3.30 lbs. Shipping Height: 5.00 In. Shipping Length: 13.00 In...- SKU:
- C15-8888
MSRP $850.00Surplus $164.35 -
Eaton KD2300 Molded Case Breakers (MCCBs) KD 2P 300A 600V 50/60Hz 2Ph K Frame
MSRP $4,650.00Surplus $781.57SKU: C15-2894 Brand: Eaton MPN: KD2300 UPC: 786679349076 Shipping Weight: 9.20 lbs. Shipping Height: 4.00 In. Shipping Length: 11.00 In. Shipping Width: 6.00 In...- SKU:
- C15-2894
- Series:
- C
- Volts:
- 600 V
- Amps:
- 300 A
- Poles:
- 2
- Frequency Rating:
- 50/60 Hz
- Frame:
- K
- Short Description:
- EATON SERIES C COMPLETE MOLDED CASE CIRCUIT BREAKER, K-FRAME, KD, COMPLETE BREAK
- Country of Origin:
- Dominican Republic
MSRP $4,650.00Surplus $781.57 -
Eaton KD2400 Molded Case Breakers (MCCBs) CHKD 3P 400A 600V 50/60Hz 3Ph K Frame EA
MSRP $4,765.96Surplus $921.52SKU: C15-4712 Brand: Eaton MPN: KD2400 UPC: 78667934909 Shipping Weight: 11.50 lbs. Shipping Height: 6.00 In. Shipping Length: 11.00 In. Shipping Width: 6.00 In...- SKU:
- C15-4712
- Frame Type:
- K
- Voltage Rating:
- 600 V
- Current Rating:
- 400 A
- Number of Poles:
- 3
- Interrupting Rating:
- 65 kA at 480 Vac
- Short Description:
- Eaton Series C molded case circuit breaker frame, K-frame, CHKD, Fixed thermal, fixed magnetic trip type, Three-pole, 400A, 600 Vac, 250 Vdc, 65 kA at 480 Vac, 50/60 Hz, 100% rated
- TS PIK:
- 21509782
- Type:
- Molded Case, Thermal Magnetic
- Size:
- 5.5 Inch W x 4.063 Inch D x 10.125 Inch H
- Terminal Type:
- Aluminum/Copper Standard Line and Load Terminal
- Maximum AC Voltage Rating:
- 600 VAC
- Installation/Operator:
- Eaton_00085_INST.pdf
- Catalog:
- Eaton_27487_V4T2_254_V4T2_255_V4T2_299-V4T2_305_CAT.pdf
- Series:
- C
- Country of Origin:
- Dominican Republic
- Approval:
- UL
MSRP $4,765.96Surplus $921.52 -
Eaton KD2400 Molded Case Breakers (MCCBs) EA
MSRP $4,765.96Surplus $2,144.68Eaton KD2400 Molded Case Breakers (MCCBs) EA​ ARCA SKU: C15-5346 Brand: Eaton MPN: KD2400 UPC: Shipping Weight: 9.20 lbs. Shipping Height: 5.00 In. Shipping Length: 11...- SKU:
- C15-5346
- Approval:
- UL
- Amps:
- 400 A
- Frame:
- KD
- Interrupting Rating:
- 35 kA at 480 VAC
- Maximum AC Voltage:
- 600 VAC
- Poles:
- 2
- Size:
- 5.5 Inch W x 4.063 Inch D x 10.125 Inch H
- Terminal Type:
- Aluminum/Copper Standard Line and Load Terminal
- Type:
- Molded Case
- Type:
- Thermal Magnetic
- Volts:
- 600 VAC at 50/60 Hz
- Short Description:
- 600 VAC 50/60 Hz, 400 A, 35 kA, 2-Pole, KD Frame, Thermal Magnetic, Molded Case, Interchangeable Trip Circuit Breaker
- Series:
- C
- Specification/Technical:
- Eaton_08401_1_2_SPEC.pdf
- Installation/Operator:
- Eaton_00085_INST.pdf
- Frame Type:
- KD
- Maximum AC Voltage Rating:
- 600 VAC
- Number of Poles:
- 2
- Voltage Rating:
- 600 VAC at 50/60 Hz
- Current Rating:
- 400 A
- Catalog:
- Eaton_27487_V4T2_254_V4T2_255_V4T2_299-V4T2_305_CAT.pdf
- Country of Origin:
- Dominican Republic
MSRP $4,765.96Surplus $2,144.68 -
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Eaton KD2400F Molded Case Breakers (MCCBs) KD 2P 400A 600V 50/60Hz 2Ph K Frame
MSRP $3,433.00Surplus $1,167.35SKU: C15-3848 Brand: Eaton MPN: KD2400F UPC: 786679852361 Shipping Weight: 8.50 lbs. Shipping Height: 6.30 In. Shipping Length: 12.60 In. Shipping Width: 6.90 In...- SKU:
- C15-3848
- Approval:
- UL 489
- Approval:
- CSA C22.2
- Amps:
- 400 A
- Interrupting Rating:
- 35 kA at 480 V AC
- Interrupting Rating:
- 25 Kiloamp at 600 Volt AC
- Interrupting Rating:
- 10 Kiloamp at 250 Volt DC (NEMA/UL/CSA)
- Interrupting Rating:
- 40 Kiloamp at 380/415 Volt AC
- Interrupting Rating:
- 10 Kiloamp at 250 Volt DC (IEC)
- Maximum AC Voltage:
- 600 V
- Maximum DC Voltage:
- 250 V
- Poles:
- 2
- Size:
- 5.5 Inch Width x 4.1 Inch Depth x 10.13 Inch Height
- Terminal Type:
- Aluminum Standard Pressure Line and Load
- Type:
- Fixed Thermal Magnetic
- Type:
- KD Frame
- Type:
- Standard Interrupting Capacity
- Volts:
- 600 VAC 50/60 Hertz
- Volts:
- 250 VDC
- TS PIK:
- 21517245
- Short Description:
- EATON SERIES C MOLDED CASE CIRCUIT BREAKER FRAME, K-FRAME, KD, FRAME ONLY, FIXED
- Current Rating:
- 400 A
- Voltage Rating:
- 600 V AC 50/60 Hertz, 250 V DC
- Installation/Operator:
- Eaton_00085_INST.pdf
- Maximum DC Voltage Rating:
- 250 V
- Number of Poles:
- 2
- Maximum AC Voltage Rating:
- 600 V
- Catalog:
- EatonCorp-CutlerHammer_00123_V4T2_254_V4T2_255_V4T2_258_V4T2_299-V4T2_322_CAT.pdf
- CAD Drawings:
- Eaton_10160_1_CAD.pdf
MSRP $3,433.00Surplus $1,167.35 -
Eaton KD3150 Molded Case Breakers (MCCBs) KD 3P 150A 600V 50/60Hz 3Ph K Frame
MSRP $2,200.00Surplus $2,275.63SKU: C15-3038 Brand: Eaton MPN: KD3150 UPC: 786679349120 Shipping Weight: 10.05 lbs. Shipping Height: 4.00 In. Shipping Length: 11.00 In. Shipping Width: 6.00 In...- SKU:
- C15-3038
- TS PIK:
- 21509785
- Voltage Rating:
- 600 VAC at 50/60 Hz
- Frame Type:
- KD
- Number of Poles:
- 3
- Series:
- C
- Short Description:
- 600 VAC 50/60 Hz, 150 A, 35 kA, 3-Pole, KD Frame, Thermal Magnetic, Molded Case, Interchangeable Trip Circuit Breaker
- Current Rating:
- 150 A
- Type:
- Molded Case, Thermal Magnetic
- Maximum AC Voltage Rating:
- 600 VAC
- Installation/Operator:
- Eaton_00085_INST.pdf
- Terminal Type:
- Aluminum/Copper Standard Line and Load Terminal
- Size:
- 5.5 Inch W x 4.063 Inch D x 10.125 Inch H
- Interrupting Rating:
- 35 kA at 480 VAC
- Catalog:
- Eaton_27487_V4T2_254_V4T2_255_V4T2_299-V4T2_305_CAT.pdf
- CAD Drawings:
- Eaton_10161_1_CAD.pdf
MSRP $2,200.00Surplus $2,275.63 -
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Eaton KD3225W Molded Case Breakers (MCCBs) KD 3P 225A 600V 50/60Hz 3Ph K Frame
MSRP $4,880.00Surplus $2,071.22SKU: C15-3654 Brand: Eaton MPN: KD3225W UPC: 786679062098 Shipping Weight: 10.25 lbs. Shipping Height: 5.00 In. Shipping Length: 10.00 In. Shipping Width: 6.00 In...- SKU:
- C15-3654
- Series:
- C
- Volts:
- 600 V
- Amps:
- 225 A
- Poles:
- 3
- Frequency Rating:
- 50/60 Hz
- Frame:
- K
- Short Description:
- EATON SERIES C COMPLETE MOLDED CASE CIRCUIT BREAKER, K-FRAME, KD, COMPLETE BREAK
MSRP $4,880.00Surplus $2,071.22 -
Eaton KD3250 Molded Case Breakers (MCCBs) KD 3P 250A 600V 50/60Hz 3Ph K Frame
MSRP $5,600.00Surplus $1,190.83SKU: C15-2133 Brand: Eaton MPN: KD3250 UPC: 786679349168 Shipping Weight: 10.30 lbs. Shipping Height: 5.00 In. Shipping Length: 10.00 In. Shipping Width: 6.00 In...- SKU:
- C15-2133
- Series:
- C
- Type:
- Molded Case
- Type:
- Thermal Magnetic
- Approval:
- UL
- Size:
- 5.5 Inch Width x 4.063 Inch Depth x 10.125 Inch Height
- Volts:
- 600 VAC at 50/60 Hertz
- Amps:
- 32 A
- Poles:
- 3
- Interrupting Rating:
- 35 kA at 480 VAC
- Terminal Type:
- Aluminum/Copper Standard Line and Load Terminal
- Frame Type:
- kD
- Maximum AC Voltage Rating:
- 600 VAC
- Short Description:
- 600 VAC 50/60 Hz, 250 A, 35 kA, 3-Pole, KD Frame, Thermal Magnetic, Molded Case
- Catalog:
- Eaton_27487_V4T2_254_V4T2_255_V4T2_299-V4T2_305_CAT.pdf
- Installation/Operator:
- Eaton_00085_INST.pdf
- CAD Drawing:
- Eaton_10161_1_CAD.pdf
- Current Rating:
- 250 A
- CAD Drawings:
- Eaton_10161_1_CAD.pdf
- Voltage Rating:
- 600 VAC
- Number of Poles:
- 3
MSRP $5,600.00Surplus $1,190.83 -
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Eaton KD3250M01Z15 Molded Case Breakers (MCCBs) KD 3P 250A 240V 50/60Hz KD Frame
MSRP $6,517.00Surplus $1,745.60SKU: C15-4763 Brand: Eaton MPN: KD3250M01Z15 UPC: Shipping Weight: 13.00 lbs. Shipping Height: 7.00 In. Shipping Length: 15.00 In. Shipping Width: 7.00 In. Product...- SKU:
- C15-4763
- Series:
- C
- Volts:
- 240 V
- Amps:
- 250 A
- Poles:
- 3
- Frequency Rating:
- 50/60 Hz
- Frame:
- KD
- Short Description:
- EATON SERIES C COMPLETE MOLDED CASE CIRCUIT BREAKER, K-FRAME, KD, FIXED THERMAL
MSRP $6,517.00Surplus $1,745.60 -
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Eaton KD3250T106WS10 Molded Case Breakers (MCCBs) KD 3P 250A 600V 50/60Hz 3Ph K Frame 125VDC Shunt Trip
MSRP $12,690.00Surplus $2,918.12SKU: C15-1944 Brand: Eaton MPN: KD3250T106WS10 UPC: Shipping Weight: 16.75 lbs. Shipping Height: 8.00 In. Shipping Length: 14.00 In. Shipping Width: 11.00 In...- SKU:
- C15-1944
- Frame Type:
- kD
- Voltage Rating:
- 600 VAC
- Current Rating:
- 250 A
- Number of Poles:
- 3
- Interrupting Rating:
- 35 kA at 480 V
- Short Description:
- Series C, K-frame molded case circuit breaker, OPTIM 1050, 250A, Three-pole, 600 Vac, 250 Vdc, 35 kA at 480V, Without terminals, KD breake
MSRP $12,690.00Surplus $2,918.12 -
Eaton KD3300W Molded Case Breakers (MCCBs)
MSRP $7,422.56Surplus $1,196.09SKU: C15-9597 Brand: Eaton MPN: KD3300W UPC: 78667911746 Shipping Weight: 11.15 lbs. Shipping Height: 7.00 In. Shipping Length: 13.00 In. Shipping Width: 7.00 In...- SKU:
- C15-9597
- TS PIK:
- 116622652
- Short Description:
- EATON SERIES C COMPLETE MOLDED CASE CIRCUIT BREAKER, K-FRAME, KD, COMPLETE BREAK
- Country of Origin:
- Dominican Republic
MSRP $7,422.56Surplus $1,196.09 -
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Eaton KD3300WA09 Molded Case Breakers (MCCBs) KD 3P 400A 240V 50/60Hz 3Ph K Frame
MSRP $6,500.00Surplus $2,340.00SKU: C15-4713 Brand: Eaton MPN: KD3300WA09 UPC: Shipping Weight: 10.50 lbs. Shipping Height: 6.00 In. Shipping Length: 10.00 In. Shipping Width: 6.00 In. Product...- SKU:
- C15-4713
- Frame Type:
- K
- Voltage Rating:
- 240 V
- Current Rating:
- 400 A
- Number of Poles:
- 3
- Interrupting Rating:
- 65 kA at 240 Vac, 35 kA at 480 Vac
- Short Description:
- Eaton Series C complete molded case circuit breaker, K-frame, KD, Fixed thermal and magnetic trips, Three-pole, 300A, 600 Vac, 250 Vdc, 65 kA at 240 Vac, 35 kA at 480 Vac, 415-600 Vac or 220-250 Vdc same side w/ right pigtail
MSRP $6,500.00Surplus $2,340.00 -
Eaton KD3350WA13 Molded Case Breakers (MCCBs) KD 3P 350A 600V 50/60Hz 3Ph K Frame EA
MSRP $5,725.00Surplus $832.21SKU: C15-3402 Brand: Eaton MPN: KD3350WA13 UPC: 782116630882 Shipping Weight: 11.50 lbs. Shipping Height: 7.00 In. Shipping Length: 13.00 In. Shipping Width: 8.00 In...- SKU:
- C15-3402
- Series:
- C
- Volts:
- 600 V
- Amps:
- 350 A
- Poles:
- 3
- Frequency Rating:
- 50/60 Hz
- Frame:
- K
- Short Description:
- EATON SERIES C COMPLETE MOLDED CASE CIRCUIT BREAKER, K-FRAME, KD, FIXED THERMAL,
- TS PIK:
- 120877465
- Country of Origin:
- Dominican Republic
MSRP $5,725.00Surplus $832.21 -
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Eaton KD3400FK03A06 Molded Case Breakers (MCCBs) KD 3P 400A 600V 50/60Hz 3Ph K Frame
MSRP $4,028.00Surplus $1,224.08SKU: C15-4355 Brand: Eaton MPN: KD3400FK03A06 UPC: Shipping Weight: 12.10 lbs. Shipping Height: 7.00 In. Shipping Length: 12.00 In. Shipping Width: 7.00 In. Product...- SKU:
- C15-4355
- Frame Type:
- K
- Voltage Rating:
- 600 V
- Current Rating:
- 400 A
- Number of Poles:
- 3
- Interrupting Rating:
- 65 kA at 240 Vac, 35 kA at 480 Vac
- Short Description:
- Eaton Series C complete molded case circuit breaker, K-frame, KD, Frame only, Electronic LS trip type, 400A trip rating, Three-pole, 400A, 600 Vac, 250 Vdc, 65 kA at 240 Vac, 35 kA at 480 Vac, 50/60 Hz, 250A
MSRP $4,028.00Surplus $1,224.08 -
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Eaton KD3400T52WPN Molded Case Breakers (MCCBs) KD 3P 400A 600V 50/60Hz 3Ph K Frame
MSRP $11,000.00Surplus $2,934.77SKU: C15-3733 Brand: Eaton MPN: KD3400T52WPN UPC: 782113942926 Shipping Weight: 13.95 lbs. Shipping Height: 8.00 In. Shipping Length: 14.00 In. Shipping Width: 11.00...- SKU:
- C15-3733
- Frame Type:
- K
- Voltage Rating:
- 600 V
- Current Rating:
- 400 A
- Number of Poles:
- 3
- Interrupting Rating:
- 35 kA at 480 Vac 65 kA at 240 Vac
- Short Description:
- KD 3 P 400 A OPTIM 550 LSI ICK 550 PNK
MSRP $11,000.00Surplus $2,934.77 -
Eaton KD3400V Molded Case Breakers (MCCBs)
MSRP $8,875.00Surplus $2,483.80SKU: C15-11897 Brand: Eaton MPN: KD3400V UPC: Shipping Weight: 12.90 lbs. Shipping Height: 6.00 In. Shipping Length: 15.00 In. Shipping Width: 7.00 In. Product...- SKU:
- C15-11897
- TS PIK:
- 115288616
- Type:
- Fixed Thermal Magnetic Trip
- Voltage Rating:
- 600 VAC 50/60 Hertz, 250 VDC
- Approval:
- UL
- Frame Type:
- K
- Short Description:
- 600 VAC 50/60 Hz, 250 VDC, 400 A, 35 kA, 3-Pole, Line/Load Terminal, KD Frame, Interchangeable Trip, Fixed Thermal, Molded Case Circuit Breaker with 50 Deg C Calibration
- Current Rating:
- 400 A
- Number of Poles:
- 3
- Maximum DC Voltage Rating:
- 250
- Maximum AC Voltage Rating:
- 600 V
- Catalog:
- Eaton_46579_V4T2_254_V4T2_255_V4T2_258_V4T2_300-V4T2_322_CAT.pdf
- Installation/Operator:
- Eaton_00085_INST.pdf
- Interrupting Rating:
- 65 kA at 240 VAC, 35 kA at 480 VAC
- Terminal Type:
- Line and Load
- CAD Drawings:
- Eaton_10161_1_CAD.pdf
- Size:
- 5.5 Inch Width x 4.1 Inch Depth x 5.5 Inch Height
MSRP $8,875.00Surplus $2,483.80
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