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 HMCP150U4C Motor Circuit Protector (MCPs)
MSRP $2,614.42Surplus $1,251.00SKU: C15-7305 Brand: Crouse-Hinds MPN: HMCP150U4C UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-7305
- TS PIK:
- 21097431
- Short Description:
- 600 VAC, 250 VDC, 150 A, 750 to 2500 A Trip, 57 to 130.7 A FLA, 3-Pole, NEMA 4, Non-Aluminum Line and Load Terminal, F Frame, Magnetic, Molded Case, Motor Circuit Protector
- Type:
- Molded Case, Magnetic
- Number of Poles:
- 3
- Current Rating:
- 150 A
- Frame Type:
- F
- Maximum AC Voltage Rating:
- 600 V
- Maximum DC Voltage Rating:
- 250 V
- Terminal Type:
- Non-Aluminum Line and Load Terminal
- Voltage Rating:
- 600 VAC, 250 VDC
- Series:
- C, HMCP
- Catalog:
- Eaton_27487_V4T2_394_V4T2_395_V4T2_398_CAT.pdf
- Country of Origin:
- Dominican Republic
- Approval:
- UL 489, CSA C22.2, CE
- Motor FLA:
- 57 to 130.7 A
- Trip Setting:
- 750 to 2500 A
- Starter Size:
- NEMA 4
MSRP $2,614.42Surplus $1,251.00 -
Crouse-Hinds HMCP400X5 Molded Case Breakers (MCCBs)
MSRP $6,886.19Surplus $2,960.55SKU: C15-7307 Brand: Crouse-Hinds MPN: HMCP400X5 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-7307
- TS PIK:
- 21097458
- CAD Drawings:
- Eaton_00054_1-9_CAD.pdf
- Installation/Operator:
- Eaton_00176_INST.pdf
- Catalog:
- Eaton_46579_V4T2_254_V4T2_255_V4T2_394_V4T2_395_CAT.pdf
- Terminal Type:
- Line and Load Terminal
- Maximum AC Voltage Rating:
- 600 V
- Series:
- C, HMCP
- Short Description:
- 600 VAC, 250 VDC, 400 A, 3-Pole, 2000 to 4000 A Trip, NEMA 5, Line/Load Terminal, K Frame, Molded Case, Magnetic, Motor Circuit Protector
- Current Rating:
- 400 A
- Number of Poles:
- 3
- Type:
- Molded Case, Magnetic
- Voltage Rating:
- 600 VAC, 250 VDC
- Maximum DC Voltage Rating:
- 250 V
- Frame Type:
- K
- Country of Origin:
- Dominican Republic
MSRP $6,886.19Surplus $2,960.55 -
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Crouse-Hinds HMCP400X5W Motor Circuit Protector (MCPs)
MSRP $6,886.19Surplus $2,088.22SKU: C15-7308 Brand: Crouse-Hinds MPN: HMCP400X5W UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-7308
- TS PIK:
- 21097469
- Current Rating:
- 400 A
- Frame Type:
- K
- Maximum AC Voltage Rating:
- 600 V
- Terminal Type:
- Not Included
- Type:
- Molded Case, Magnetic
- Series:
- C, HMCP
- Size:
- 4.1 Inch Width x 5.5 Inch Depth x 10.13 Inch Height
- Catalog:
- Eaton_27487_V4T2_394_V4T2_395_CAT.pdf
- Maximum DC Voltage Rating:
- 250 V
- Voltage Rating:
- 600 VAC, 250 VDC
- Number of Poles:
- 3
- Short Description:
- 600 VAC, 250 VDC, 400 A, 2000 to 4000 A Trip, 153.9 to 326.9 A FLA, 3-Pole, NEMA 5, K Frame, Magnetic, Molded Case, Motor Circuit Protector
MSRP $6,886.19Surplus $2,088.22 -
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Crouse-Hinds HMCPE007C0C Molded Case Breakers (MCCBs)
MSRP $1,212.77Surplus $430.03SKU: C15-7883 Brand: Crouse-Hinds MPN: HMCPE007C0C UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-7883
- TS PIK:
- 115786302
- Type:
- Molded Case, Magnetic
- Voltage Rating:
- 600 Star/347 VAC, 250 VDC
- Terminal Type:
- Non-Aluminum Line and Load Terminal
- Maximum DC Voltage Rating:
- 250 VDC
- Short Description:
- 480 VAC, 600 Star/347 VAC, 250 VDC, 7 A, 21 to 77 A Trip, 1.5 to 6.1 A FLA, 3-Pole, NEMA 0, Non-Aluminum Line and Load Terminal, EG Frame, Magnetic, Molded Case, Motor Circuit Protector
- Series:
- G
- Current Rating:
- 7 A
- Catalog:
- Eaton_27487_V4T2_224_CAT.pdf
- Number of Poles:
- 3
- Frame Type:
- EG
- Size:
- 2.99 Inch W x 3 Inch D x 5.5 Inch H
- Maximum AC Voltage Rating:
- 347 VAC
MSRP $1,212.77Surplus $430.03 -
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Crouse-Hinds HMCPE015E0C Motor Circuit Protector (MCPs)
MSRP $1,212.77Surplus $463.18SKU: C15-7816 Brand: Crouse-Hinds MPN: HMCPE015E0C UPC: 78667911365 Shipping Weight: 2.70 lbs. Shipping Height: 4.00 In. Shipping Length: 7.00 In. Shipping Width: 5...- SKU:
- C15-7816
- TS PIK:
- 115786303
- Current Rating:
- 15 A
- Catalog:
- Eaton_27487_V4T2_224_CAT.pdf
- Short Description:
- 480 VAC, 600 Star/347 VAC, 250 VDC, 15 A, 45 to 165 A Trip, 3.4 to 13 A FLA, 3-Pole, NEMA 0, Non-Aluminum Line and Load Terminal, EG Frame, Magnetic, Molded Case, Motor Circuit Protector
- Number of Poles:
- 3
- Voltage Rating:
- 600 Star/347 VAC, 250 VDC
- Frame Type:
- EG
- Maximum DC Voltage Rating:
- 250 VDC
- Terminal Type:
- Non-Aluminum Line and Load Terminal
- Series:
- G
- Size:
- 2.99 Inch W x 3 Inch D x 5.5 Inch H
- Type:
- Molded Case, Magnetic
- Maximum AC Voltage Rating:
- 347 VAC
- Main Category:
- Motor Circuit Protector (MCPs)
MSRP $1,212.77Surplus $463.18 -
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Crouse-Hinds HMCPE050K2C Motor Circuit Protector (MCPs) 50A
MSRP $1,212.77Surplus $790.35SKU: 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
MSRP $1,212.77Surplus $790.35 -
Crouse-Hinds HQP2060 Miniature Circuit Breakers (MCBs)
MSRP $172.69Surplus $25.30Crouse-Hinds HQP2060 Miniature Circuit Breakers (MCBs)​ ARCA SKU: E30-7042 Brand: Crouse-Hinds MPN: HQP2060 UPC: 78667934425 Shipping Weight: 0.60 lbs. Shipping Height: 3.00 In...- SKU:
- E30-7042
- Mounting:
- Plug-On
- Wire Size:
- 8 to 1/0 AWG Copper/Aluminum (Standard Load)
- Voltage Rating:
- 120/240 VAC
- Short Description:
- EATON QUICKLAG INDUSTRIAL CIRCUIT BREAKER, 60A, TWO-POLE, 120/240V, 10 KAIC, THE
- Size:
- 2.2 Inch Width x 3.9 Inch Depth x 4.8 Inch Height
- Interrupting Rating:
- 10000 A at 120/240 VAC, 5000 A at 24/48/62.5/80 VDC
- Terminal Type:
- Steel Box Lug Standard Load
- Type:
- Fixed Thermal Magnetic, Miniature
- Number of Poles:
- 2
- Current Rating:
- 60 A
- Catalog:
- Eaton_03771_V4T1_2_V4T1_5_V4T1_6_V4T1_46_CAT.pdf
- Country of Origin:
- Dominican Republic
MSRP $172.69Surplus $25.30 -
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Crouse-Hinds JB3225W Molded Case Breakers (MCCBs)
MSRP $1,319.99Surplus $626.45SKU: C15-7257 Brand: Crouse-Hinds MPN: JB3225W UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- C15-7257
MSRP $1,319.99Surplus $626.45 -
Crouse-Hinds JD3100 Molded Case Breakers (MCCBs)
MSRP $5,508.54Surplus $2,333.34SKU: C15-7309 Brand: Crouse-Hinds MPN: JD3100 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- C15-7309
- TS PIK:
- 21097507
- Voltage Rating:
- 600 VAC 50/60 Hertz, 250 VDC
- Current Rating:
- 100 A
- Number of Poles:
- 3
- Short Description:
- 600 VAC 50/60 Hz, 250 VDC, 100 A, 35 kA Interrupt, 3-Pole, JD Frame, Thermal Magnetic, Molded Case, Interchangeable Trip Circuit Breaker
- Interrupting Rating:
- 65 kA at 240 VAC, 35 kA at 480 VAC, 18 kA at 600 VAC, 10 kA at 250 VDC (UL), 65 kA at 240 VAC, 35 kA at 380/415 VAC, 10 kA at 250 VDC (IEC)
- CAD Drawings:
- EatonCorp_00503_1_CAD.pdf
- Type:
- Thermal Magnetic, Standard Interrupting Capacity, Molded Case
- Size:
- 4.13 Inch Width x 4.06 Inch Depth x 10 Inch Height
- Terminal Type:
- Aluminum Line and Load
- Maximum DC Voltage Rating:
- 250 V
- Maximum AC Voltage Rating:
- 600 V
- Catalog:
- EatonCorp_00274_V4T2_259_V4T2_260_V4T2_296-V4T2_298_CAT.pdf
- Frame Type:
- JD
- Country of Origin:
- Dominican Republic
MSRP $5,508.54Surplus $2,333.34 -
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Crouse-Hinds JD3125 Molded Case Breakers (MCCBs)
MSRP $5,508.54Surplus $1,808.60SKU: C15-8192 Brand: Crouse-Hinds MPN: JD3125 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- C15-8192
- TS PIK:
- 21474154
MSRP $5,508.54Surplus $1,808.60 -
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Crouse-Hinds JD3200 Molded Case Breakers (MCCBs)
MSRP $5,508.54Surplus $1,686.70SKU: C15-7310 Brand: Crouse-Hinds MPN: JD3200 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- C15-7310
- TS PIK:
- 21097514
MSRP $5,508.54Surplus $1,686.70 -
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Crouse-Hinds JDB3225 Molded Case Breakers (MCCBs)
MSRP $5,725.08Surplus $2,403.57SKU: C15-7312 Brand: Crouse-Hinds MPN: JDB3225 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- C15-7312
- TS PIK:
- 21097607
MSRP $5,725.08Surplus $2,403.57 -
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Crouse-Hinds KD2400 Everything Else
MSRP $4,765.96Surplus $810.00SKU: C15-7891 Brand: Crouse-Hinds MPN: KD2400 UPC: 78667934909 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-7891
- TS PIK:
- 21509782
- Number of Poles:
- 2
- Interrupting Rating:
- 35 kA at 480 VAC
- 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
- Type:
- Molded Case, Thermal Magnetic
- Installation/Operator:
- Eaton_00085_INST.pdf
- Frame Type:
- KD
- Size:
- 5.5 Inch W x 4.063 Inch D x 10.125 Inch H
- Terminal Type:
- Aluminum/Copper Standard Line and Load Terminal
- Current Rating:
- 400 A
- Maximum AC Voltage Rating:
- 600 VAC
- Voltage Rating:
- 600 VAC at 50/60 Hz
- Catalog:
- Eaton_27487_V4T2_254_V4T2_255_V4T2_299-V4T2_305_CAT.pdf
MSRP $4,765.96Surplus $810.00 -
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Crouse-Hinds KD3150 Molded Case Breakers (MCCBs)
MSRP $5,756.77Surplus $1,873.14SKU: C15-8194 Brand: Crouse-Hinds MPN: KD3150 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- C15-8194
- TS PIK:
- 21509785
MSRP $5,756.77Surplus $1,873.14 -
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Crouse-Hinds KD3175 Molded Case Breakers (MCCBs)
MSRP $5,756.77Surplus $1,747.90SKU: C15-7258 Brand: Crouse-Hinds MPN: KD3175 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- C15-7258
- TS PIK:
- 21099687
MSRP $5,756.77Surplus $1,747.90 -
Crouse-Hinds KD3200 Molded Case Breakers (MCCBs)
MSRP $5,756.77Surplus $2,298.65SKU: C15-7313 Brand: Crouse-Hinds MPN: KD3200 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- C15-7313
- TS PIK:
- 106422974
- Frame Type:
- KD
- Voltage Rating:
- 600 VAC at 50/60 Hz
- Short Description:
- 600 VAC 50/60 Hz, 200 A, 35 kA, 3-Pole, KD Frame, Thermal Magnetic, Molded Case, Interchangeable Trip Circuit Breaker
- Current Rating:
- 200 A
- Type:
- Molded Case, Thermal Magnetic
- Series:
- C
- Installation/Operator:
- Eaton_00085_INST.pdf
- Number of Poles:
- 3
- Catalog:
- Eaton_27487_V4T2_254_V4T2_255_V4T2_299-V4T2_305_CAT.pdf
- Terminal Type:
- Aluminum/Copper Standard Line and Load Terminal
- Maximum AC Voltage Rating:
- 600 VAC
- Size:
- 5.5 Inch W x 4.063 Inch D x 10.125 Inch H
- CAD Drawings:
- Eaton_10161_1_CAD.pdf
- Interrupting Rating:
- 35 kA at 480 VAC
MSRP $5,756.77Surplus $2,298.65 -
Crouse-Hinds KT3100T Molded Case Breakers (MCCBs)
MSRP $1,216.84Surplus $572.03SKU: C15-7315 Brand: Crouse-Hinds MPN: KT3100T UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- C15-7315
- TS PIK:
- 21098278
- Current Rating:
- 100 A
- Type:
- Thermal Magnetic
- Frame Type:
- K
- Catalog:
- EatonCorp-CutlerHammer_00123_V4T2_254_V4T2_255_V4T2_299_V4T2_300_V4T2_302_CAT.pdf
- Number of Poles:
- 3
- Country of Origin:
- Dominican Republic
MSRP $1,216.84Surplus $572.03 -
Crouse-Hinds LD3400 Molded Case Breakers (MCCBs) 3P 400A
MSRP $12,939.53Surplus $4,883.76SKU: C15-7259 Brand: Crouse-Hinds MPN: LD3400 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- C15-7259
- TS PIK:
- 21097399
- Series:
- C, LD
- Short Description:
- 600 VAC 50/60 Hz, 250 VDC, 400 A, 35 kA, 3-Pole, LD Frame, Thermal Magnetic, Molded Case, Interchangeable Trip Circuit Breaker
- Interrupting Rating:
- 35 kA at 480 VAC
- Current Rating:
- 400 A
- Type:
- Molded Case, Thermal Magnetic
- Voltage Rating:
- 600 VAC, 250 VDC
- Maximum AC Voltage Rating:
- 600 V
- Installation/Operator:
- Eaton_00486_INST.pdf
- Catalog:
- Eaton_27487_V4T2_254_V4T2_255_V4T2_323_V4T2_324_CAT.pdf
- Maximum DC Voltage Rating:
- 250 V
- Terminal Type:
- Aluminum/Copper Standard Pressure Line and Load Terminal
- Size:
- 8.25 Inch Width x 4.06 Inch Depth x 10.75 Inch Height
- Frame Type:
- LD
- Number of Poles:
- 3
- Country of Origin:
- United States
MSRP $12,939.53Surplus $4,883.76 -
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Crouse-Hinds LT3400T Molded Case Breakers (MCCBs)
MSRP $3,692.79Surplus $1,233.43SKU: C15-7899 Brand: Crouse-Hinds MPN: LT3400T UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- C15-7899
- TS PIK:
- 21331652
- Frame Type:
- LD, HLD, LDC
- Catalog:
- Eaton_27487_V4T2_324_V4T2_326_V4T2_484_CAT.pdf
- Number of Poles:
- 3
- Installation/Operator:
- Eaton_00487_INST.pdf
- Current Rating:
- 400 A
- Type:
- Thermal Magnetic
- Short Description:
- 400 A, 3-Pole, LD/HLD/LDC Frame, Thermal Magnetic, Molded Case Circuit Breaker Trip Unit
MSRP $3,692.79Surplus $1,233.43 -
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Crouse-Hinds LT3450T Trip Units 3P 450A
MSRP $3,692.79Surplus $1,493.59SKU: A13-1444 Brand: Crouse-Hinds MPN: LT3450T UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- A13-1444
- TS PIK:
- 106999679
MSRP $3,692.79Surplus $1,493.59
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