
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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Eaton JT2225T Trip Units JT 2P 225A 600V 50/60Hz
MSRP $1,679.00Surplus $245.86SKU: A13-1087 Brand: Eaton MPN: JT2225T UPC: 78667940407 Shipping Weight: 1.10 lbs. Shipping Height: 6.00 In. Shipping Length: 7.00 In. Shipping Width: 5.00 In...- SKU:
- A13-1087
- Short Description:
- EATON MOLDED CASE CIRCUIT BREAKER ACCESSORY TRIP UNIT, TRIP UNIT, TRIP UNIT THER
- Poles:
- 2
- Volts:
- 600 V
- Amps:
- 225 A
- Type:
- JT
- Series:
- C Series
- Country of Origin:
- Dominican Republic
MSRP $1,679.00Surplus $245.86 -
Eaton JT3070T Trip Units EA
MSRP $2,318.55Surplus $541.31SKU: A13-1355 Brand: Eaton MPN: JT3070T UPC: 786679404096 Shipping Weight: 0.95 lbs. Shipping Height: 3.00 In. Shipping Length: 4.00 In. Shipping Width: 4.00 In...- SKU:
- A13-1355
- Adjustment:
- Magnetic Trip
- Approval:
- UL 489
- Approval:
- CSA C22.2
- Amps:
- 70 A
- Frame:
- J
- Poles:
- 3
- Type:
- Fixed Thermal
- Type:
- Adjustable Magnetic
- Specification/Technical:
- Eaton_08339_1_2_SPEC.pdf
- Installation/Operator:
- Eaton_00707_INST.pdf
- Frame Type:
- J
- Number of Poles:
- 3
- Current Rating:
- 70 A
- Catalog:
- EatonCorp-CutlerHammer_00123_V4T2_254_V4T2_255_V4T2_291-V4T2_293_CAT.pdf
- Country of Origin:
- Dominican Republic
MSRP $2,318.55Surplus $541.31 -
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Eaton JT3090FA Trip Units JT 3P 90A 600V 50/60Hz
MSRP $1,039.00Surplus $574.22SKU: A13-1040 Brand: Eaton MPN: JT3090FA UPC: 786685175454 Shipping Weight: 1.00 lbs. Shipping Height: 2.75 In. Shipping Length: 5.50 In. Shipping Width: 3.25 In...- SKU:
- A13-1040
- Short Description:
- EATON MOLDED CASE CIRCUIT BREAKER ACCESSORY TRIP UNIT, TRIP UNIT, 90 A, THREE-PO
- Poles:
- 3
- Volts:
- 600 V
- Amps:
- 90 A
- Type:
- JT
- Series:
- G Series
MSRP $1,039.00Surplus $574.22 -
Eaton JT3090T Molded Case Breakers (MCCBs) 3P 90A
MSRP $2,318.55Surplus $297.49SKU: C15-6826 Brand: Eaton MPN: JT3090T UPC: 78667940410 Shipping Weight: 1.40 lbs. Shipping Height: 6.00 In. Shipping Length: 7.00 In. Shipping Width: 4.00 In...- SKU:
- C15-6826
- TS PIK:
- 115927386
- Number of Poles:
- 3
- Frame Type:
- J
- Catalog:
- EatonCorp-CutlerHammer_00123_V4T2_254_V4T2_255_V4T2_291-V4T2_293_CAT.pdf
- Installation/Operator:
- Eaton_00707_INST.pdf
- Type:
- Fixed Thermal, Adjustable Magnetic
- Current Rating:
- 90 A
- Country of Origin:
- Dominican Republic
MSRP $2,318.55Surplus $297.49 -
Eaton JT3100T Molded Case Breakers (MCCBs)
MSRP $2,318.55Surplus $300.53SKU: C15-6829 Brand: Eaton MPN: JT3100T UPC: 78667940411 Shipping Weight: 1.25 lbs. Shipping Height: 5.00 In. Shipping Length: 7.00 In. Shipping Width: 6.00 In...- SKU:
- C15-6829
- Installation/Operator:
- Eaton_00707_INST.pdf
- Current Rating:
- 100 A
- Frame Type:
- J
- Catalog:
- EatonCorp-CutlerHammer_00123_V4T2_254_V4T2_255_V4T2_291-V4T2_293_CAT.pdf
- Number of Poles:
- 3
- Type:
- Fixed Thermal, Adjustable Magnetic
- TS PIK:
- 21510854
- Country of Origin:
- Dominican Republic
MSRP $2,318.55Surplus $300.53 -
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Eaton JT3150T Molded Case Breakers (MCCBs) 3P 150A
MSRP $2,318.55Surplus $492.82SKU: A13-1252 Brand: Eaton MPN: JT3150T UPC: 78667940413 Shipping Weight: 0.90 lbs. Shipping Height: 3.00 In. Shipping Length: 4.00 In. Shipping Width: 4.00 In...- SKU:
- A13-1252
- Type:
- Non-Interchangeable Thermal Magnetic
- Approval:
- UL
- Amps:
- 150 A
- Poles:
- 3
- Frame Type:
- J
- Short Description:
- 150 A, 3-Pole, J Frame, Non-Interchangeable Thermal Magnetic
- Catalog:
- Eaton_27487_V4T2_282_V4T2_292_V4T2_293_CAT.pdf
- Number of Poles:
- 3
- Current Rating:
- 150 A
MSRP $2,318.55Surplus $492.82 -
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Eaton JT316035 Trip Units JT 3P 160A 600V 50/60Hz
MSRP $2,241.00Surplus $455.74SKU: A13-1083 Brand: Eaton MPN: JT316035 UPC: 782116175581 Shipping Weight: 1.35 lbs. Shipping Height: 4.00 In. Shipping Length: 7.00 In. Shipping Width: 4.00 In...- SKU:
- A13-1083
- Short Description:
- 3P JG 160A ELECTRONIC TRIP UNIT TYPE LSG
- Poles:
- 3
- Volts:
- 600 V
- Amps:
- 160 A
- Type:
- JT
- Series:
- C Series
MSRP $2,241.00Surplus $455.74 -
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Eaton JT3175FA Trip Units JT 3P 175A 600V 50/60Hz
MSRP $1,076.00Surplus $580.43SKU: A13-1141 Brand: Eaton MPN: JT3175FA UPC: 786685175492 Shipping Weight: 1.00 lbs. Shipping Height: 4.00 In. Shipping Length: 7.00 In. Shipping Width: 4.00 In...- SKU:
- A13-1141
- Short Description:
- EATON MOLDED CASE CIRCUIT BREAKER ACCESSORY TRIP UNIT, TRIP UNIT, 175 A, THREE-P
- Poles:
- 3
- Volts:
- 600 V
- Amps:
- 175 A
- Type:
- JT
- Series:
- G Series
MSRP $1,076.00Surplus $580.43 -
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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
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.