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 SNT4LP11K Shunt Trips 120V EA
MSRP $700.00Surplus $496.09Eaton SNT4LP11K Shunt Trips 120V EA​ ARCA SKU: A13-1120 Brand: Eaton MPN: SNT4LP11K UPC: 786679575062 Shipping Weight: 0.40 lbs. Shipping Height: 3.00 In. Shipping...- SKU:
- A13-1120
- Series:
- SNT
- Type:
- Remote
- Approval:
- UL
- Used On:
- L/M Frame Molded Case Circuit Breaker
- AC Voltage Rating:
- 110/240 V
- Accessory Type:
- Shut Trip
- Connection Type:
- Pigtail Lead
- Frequency Rating:
- 50/60 Hz
- Mounting Location:
- Left Pole
- Short Description:
- 110 to 240 VAC 50/60 Hz, Pigtail Lead, Left Pole Mount, Remote
- Catalog:
- Eaton_27487_V4T2_421_V4T2_487_CAT.pdf
- Country of Origin:
- United States
MSRP $700.00Surplus $496.09 -
Eaton SNT4RP11K Circuit Breaker Accessories Shunt Trip Device 240V 50/60Hz L-F Frame
MSRP $1,300.00Surplus $496.09SKU: C15-1414 Brand: Eaton MPN: SNT4RP11K UPC: 786679575079 Shipping Weight: 0.45 lbs. Shipping Height: 3.00 In. Shipping Length: 5.00 In. Shipping Width: 3.00 In...- SKU:
- C15-1414
- AC Voltage:
- 110 to 240 V
- Approval:
- UL
- Connection Type:
- Pigtail Lead
- Frequency Rating:
- 50/60 Hertz
- Mounting Location:
- Right Pole
- Power:
- 0
- Type:
- Fixed
- Type:
- Field Mount
- Type:
- AC
- Used On:
- HMCP C Series L/M Frame Molded Case Circuit Breaker
- Specification/Technical:
- Eaton_60676_1_2_SPEC.pdf
- Installation/Operator:
- Eaton_00486_INST.pdf
- Catalog:
- Eaton_03771_V4T2_387_CAT.pdf
- Short Description:
- EATON MOLDED CASE CIRCUIT BREAKER ACCESSORY SHUNT TRIP, FIXED SHUNT TRIP, 110-24
- Country of Origin:
- United States
MSRP $1,300.00Surplus $496.09 -
Eaton SNT4RP18K Circuit Breaker Accessories
MSRP $1,553.00Surplus $530.87SKU: C15-9857 Brand: Eaton MPN: SNT4RP18K UPC: 78211462191 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-9857
- TS PIK:
- 115844540
- Country of Origin:
- United States
MSRP $1,553.00Surplus $530.87 -
Eaton SNT4RT11K Circuit Breaker Accessories
MSRP $1,552.86Surplus $529.27SKU: C15-9530 Brand: Eaton MPN: SNT4RT11K UPC: 78667901819 Shipping Weight: 0.45 lbs. Shipping Height: 4.00 In. Shipping Length: 4.00 In. Shipping Width: 6.00 In...- SKU:
- C15-9530
- TS PIK:
- 110574796
- Short Description:
- EATON MOLDED CASE CIRCUIT BREAKER ACCESSORY SHUNT TRIP, FIXED SHUNT TRIP, 110-24
- Country of Origin:
- United States
MSRP $1,552.86Surplus $529.27 -
Eaton SNT5LP03K Circuit Breaker Accessories 9-24VAC 50/60Hz NG Frame
MSRP $1,082.12Surplus $543.97SKU: C15-2104 Brand: Eaton MPN: SNT5LP03K UPC: 786678262604 Shipping Weight: 0.46 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-2104
- Series:
- SNT
- Type:
- Standard
- Approval:
- UL
- Used On:
- NG Frame Circuit Breaker
- AC Voltage Rating:
- 24 Volt AC
- Accessory Type:
- Shut Trip
- DC Voltage Rating:
- 24 Volt DC
- Connection Type:
- Pigtail Lead
- Frequency Rating:
- 50/60 Hertz
- Mounting Location:
- Left Pole
- Short Description:
- 24 VAC/VDC, 50/60 Hz, 48 VA, Pigtail Lead Connection, Left Pole Mount, Standard
- Catalog:
- Eaton_46579_V4T2_248_V4T2_422_V4T2_438_V4T2_475_CAT.pdf
- Manufacturer Warranty:
- Eaton_00013_WARR.pdf
- Country of Origin:
- United States
MSRP $1,082.12Surplus $543.97 -
Eaton SNT5LP18K Circuit Breaker Accessories EA
MSRP $1,515.00Surplus $598.51SKU: C15-9858 Brand: Eaton MPN: SNT5LP18K UPC: 78667826270 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-9858
- TS PIK:
- 106994803
- Country of Origin:
- United States
MSRP $1,515.00Surplus $598.51 -
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Eaton SNT6P05K Circuit Breaker Accessories 48/60VAC 50/60Hz RG
MSRP $1,525.57Surplus $478.83SKU: C15-2102 Brand: Eaton MPN: SNT6P05K UPC: 786679556788 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-2102
- Volts:
- 48/60 VAC
- Frequency Rating:
- 50/60 Hz
- Frame:
- RG
- Short Description:
- EATON MOLDED CASE CIRCUIT BREAKER ACCESSORY SHUNT TRIP, SHUNT TRIP, PIGTAIL LEAD
MSRP $1,525.57Surplus $478.83 -
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Eaton SNT6P11K Circuit Breaker Accessories EA
MSRP $2,000.00Surplus $728.96SKU: C15-9859 Brand: Eaton MPN: SNT6P11K UPC: 78667942053 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-9859
- TS PIK:
- 107003281
MSRP $2,000.00Surplus $728.96 -
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Eaton SNT6P23K Circuit Breaker Accessories 48/60VDC RG
MSRP $1,525.57Surplus $690.00SKU: C15-2101 Brand: Eaton MPN: SNT6P23K UPC: 786679556801 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-2101
- Volts:
- 48/60 VDC
- Frame:
- RG
- Short Description:
- EATON MOLDED CASE CIRCUIT BREAKER ACCESSORY SHUNT TRIP, SHUNT TRIP, PIGTAIL LEAD
MSRP $1,525.57Surplus $690.00 -
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Eaton SPHM1RM0008 Miniature Circuit Breakers (MCBs) 1P 8A 50/60Hz 1Ph EA
MSRP $180.00Surplus $70.44Eaton SPHM1RM0008 Miniature Circuit Breakers (MCBs) 1P 8A 50/60Hz 1Ph EA​ ARCA SKU: C15-5022 Brand: Eaton MPN: SPHM1RM0008 UPC: 78667900265 Shipping Weight: 0.45 lbs. Shipping...- SKU:
- C15-5022
MSRP $180.00Surplus $70.44 -
Eaton SPHM2RM0035 Din Rail Mounted Circuit Breakers EA
MSRP $412.40Surplus $310.33Eaton SPHM2RM0035 Din Rail Mounted Circuit Breakers EA​ ARCA SKU: C15-5220 Brand: Eaton MPN: SPHM2RM0035 UPC: 786679754405 Shipping Weight: 0.70 lbs. Shipping Height: 2.00 In...- SKU:
- C15-5220
- Series:
- SPHM
- Type:
- Hydraulic Magnetic
- Approval:
- UL
- Approval:
- CSA
- Approval:
- CE
- Size:
- 1.48 Inch Width x 2.32 Inch Depth x 4.14 Inch Height
- Volts:
- 250 VAC at 50/60 Hertz
- Amps:
- 32 A
- Poles:
- 2
- Mounting:
- DIN Rail
- Interrupting Rating:
- 5 kA
- Short Description:
- 250 VAC 50/60 Hz, 35 A, 2-Pole, Hydraulic Magnetic
- Manufacturer Warranty:
- Eaton_00013_WARR.pdf
- Number of Poles:
- 2
- Voltage Rating:
- 250 VAC
- Current Rating:
- 35 A
- Country of Origin:
- United States
MSRP $412.40Surplus $310.33 -
Eaton SPHM2RM07R5 Motor Circuit Protector (MCPs)
MSRP $486.00Surplus $131.64SKU: C15-11306 Brand: Eaton MPN: SPHM2RM07R5 UPC: 786679754283 Shipping Weight: 0.70 lbs. Shipping Height: 2.00 In. Shipping Length: 6.00 In. Shipping Width: 4.00 In...- SKU:
- C15-11306
- TS PIK:
- 107006147
- Country of Origin:
- United States
MSRP $486.00Surplus $131.64 -
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Eaton SQ D QOB220GFI Molded Case Breakers (MCCBs)
MSRP $70.00Surplus $106.56Eaton SQ D QOB220GFI Molded Case Breakers (MCCBs)​ ARCA SKU: C15-8960 Brand: Eaton MPN: SQ D QOB220GFI UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping...- SKU:
- C15-8960
MSRP $70.00Surplus $106.56 -
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Eaton STK2 Trip Unit/UVR/Shunt Trip Accessories Test Kit 120V J-K Frame
MSRP $6,500.00Surplus $702.00SKU: A13-1091 Brand: Eaton MPN: STK2 UPC: 786679801598 Shipping Weight: 15.05 lbs. Shipping Height: 8.00 In. Shipping Length: 16.00 In. Shipping Width: 14.00 In...- SKU:
- A13-1091
- Type:
- Electronic
- Type:
- Portable Test Kit
- Used On:
- Circuit Breaker
- Accessory Type:
- General Accessories
- Short Description:
- 120 VAC 50/60 Hz, Electronic, Solid State
- Catalog:
- Eaton_14666_V4T2_464_CAT.pdf
- Manufacturer Warranty:
- Eaton_00013_WARR.pdf
MSRP $6,500.00Surplus $702.00 -
Eaton T250FJ Terminal Blocks Terminal Lug JG Frame EA
MSRP $55.00Surplus $19.40Eaton T250FJ Terminal Blocks Terminal Lug JG Frame EA​ ARCA SKU: L20-1217 Brand: Eaton MPN: T250FJ UPC: 782113924755 Shipping Weight: 0.15 lbs. Shipping Height: 1.00 In. Shipping...- SKU:
- L20-1217
- TS PIK:
- 124362204
- Short Description:
- EATON MOLDED CASE CIRCUIT BREAKER ACCESSORY HARDWARE, STAINLESS STEEL COLLAR ASS
- Country of Origin:
- United States
MSRP $55.00Surplus $19.40 -
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Eaton T700NB1 Circuit Breaker Accessories Terminal Assembly 700A N Frame
MSRP $101.00Surplus $37.67Eaton T700NB1 Circuit Breaker Accessories Terminal Assembly 700A N Frame​ ARCA SKU: C15-3523 Brand: Eaton MPN: T700NB1 UPC: 786679420812 Shipping Weight: 1.20 Shipping Height: 3.00 In...- SKU:
- C15-3523
- Body Material:
- Copper
- Conductor Material:
- Copper
- Amps:
- 700 A
- Maximum Conductor Size:
- 500 KCMIL
- Minimum Conductor Size:
- 2/0 AWG
- Number of Conductors:
- 2
- Quantity:
- 0
- Type:
- Line/Load Lug
- Used On:
- G Series N Frame Molded Case Circuit Breaker
- Specification/Technical:
- Eaton_60854_1_2_SPEC.pdf
- Catalog:
- EatonCorp-CutlerHammer_00123_V4T2_207_V4T2_369_V4T2_518_CAT.pdf
- Short Description:
- EATON MOLDED CASE CIRCUIT BREAKER ACCESSORY TERMINAL, OPTIONAL COPPER AND CU/AL
MSRP $101.00Surplus $37.67 -
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Eaton TA1600RDM Circuit Breaker Accessories
MSRP $325.48Surplus $84.72SKU: C15-11683 Brand: Eaton MPN: TA1600RDM UPC: 78211619875 Shipping Weight: 3.20 lbs. Shipping Height: 5.00 In. Shipping Length: 6.00 In. Shipping Width: 4.00 In...- SKU:
- C15-11683
- TS PIK:
- 120369461
- Used On:
- G Series J/K/R-Frame Molded Case Circuit Breaker
- Installation/Operator:
- Eaton_00802_INST.pdf
- Catalog:
- Eaton_32241_V4T2_80_CAT.pdf
- Type:
- Line/Load Lug
- Country of Origin:
- United States
- Body Material:
- Aluminum
- Maximum Conductor Size:
- 1000 KCMIL
- Number of Conductors:
- 4
- Minimum Conductor Size:
- 500 KCMIL
- Short Description:
- RG/RW ALU TERMINAL 1600A_ W/METRIC MTG HDWR
- Conductor Material:
- Copper/Aluminum
MSRP $325.48Surplus $84.72 -
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Eaton TA2000RDM Circuit Breaker Accessories Line and Load Terminals 2000A R Frame
MSRP $6,835.00Surplus $2,516.65SKU: C15-4174 Brand: Eaton MPN: TA2000RDM UPC: 782116198771 Shipping Weight: 24.25 lbs. Shipping Height: 7.00 In. Shipping Length: 13.00 In. Shipping Width: 7.00 In...- SKU:
- C15-4174
- Body Material:
- Aluminum
- Conductor Material:
- Copper/Aluminum
- Amps:
- 2000 A
- Maximum Conductor Size:
- 600 KCMIL
- Minimum Conductor Size:
- 2 AWG
- Number of Conductors:
- 6
- Quantity:
- 0
- Type:
- Line/Load Lug
- Used On:
- G Series R-Frame Molded Case Circuit Breaker
- Specification/Technical:
- Eaton_60617_1_2_SPEC.pdf
- Catalog:
- Eaton_32241_V4T2_80_CAT.pdf
MSRP $6,835.00Surplus $2,516.65 -
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Eaton TA250FJ Circuit Breaker Accessories Line and Load Terminals J Frame
MSRP $45.00Surplus $16.84Eaton TA250FJ Circuit Breaker Accessories Line and Load Terminals J Frame​ ARCA SKU: C15-3247 Brand: Eaton MPN: TA250FJ UPC: 782113924762 Shipping Weight: 0.10 Shipping Height: 1.00 In...- SKU:
- C15-3247
- Body Material:
- Aluminum
- Conductor Material:
- Copper/Aluminum
- Amps:
- 250 A
- Maximum Conductor Size:
- 350 KCMIL
- Minimum Conductor Size:
- 8 AWG
- Number of Conductors:
- 1
- Quantity:
- 0
- Type:
- Standard
- Type:
- Line/Load Lug
- Used On:
- C Series J/K/JG/PVS-Frame PVGard Solar Circuit Breaker
- Specification/Technical:
- Eaton_60643_1_2_SPEC.pdf
- Data Sheet:
- Eaton_62419_2_DATA.pdf
- Installation/Operator:
- Eaton_00803_INST.pdf
- Catalog:
- Eaton_29306_V15T3_22_V15T3_25_CAT.pdf
- Short Description:
- EATON MOLDED CASE CIRCUIT BREAKER ACCESSORY TERMINAL, LINE AND LOAD TERMINALS, 2
MSRP $45.00Surplus $16.84 -
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Eaton TA450LD Circuit Breaker Accessories Terminal Assembly 450A
MSRP $107.00Surplus $41.35Eaton TA450LD Circuit Breaker Accessories Terminal Assembly 450A​ ARCA SKU: C15-3607 Brand: Eaton MPN: TA450LD UPC: 786679423530 Shipping Weight: 0.27 Shipping Height: 2.00 In. Shipping...- SKU:
- C15-3607
- Amps:
- 450 A
- Short Description:
- EATON MOLDED CASE CIRCUIT BREAKER ACCESSORY TERMINAL, ONE TERMINAL AND ONE COVER
MSRP $107.00Surplus $41.35
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