
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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- Qty in Cart
- Price
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Eaton LT360039 Trip Units
MSRP $23,927.57Surplus $6,494.76SKU: U00-9479 Brand: Eaton MPN: LT360039 UPC: Shipping Weight: 2.40 lbs. Shipping Height: 4.00 In. Shipping Length: 6.00 In. Shipping Width: 4.00 In. Product...- SKU:
- U00-9479
- TS PIK:
- 122577881
- Country of Origin:
- United States
MSRP $23,927.57Surplus $6,494.76 -
Eaton MES3800LSIG Trip Units
MSRP $26,951.02Surplus $8,258.20SKU: U00-8355 Brand: Eaton MPN: MES3800LSIG UPC: 78211437138 Shipping Weight: 4.05 lbs. Shipping Height: 4.00 In. Shipping Length: 8.00 In. Shipping Width: 5.00 In...- SKU:
- U00-8355
- TS PIK:
- 115512166
- Frame Type:
- M
- Adjustment:
- Independent Short Time Pickup and Ground Fault
- Number of Poles:
- 3
- Type:
- Electronic RMS 310 Digitrip LSIG
- Current Rating:
- 800 A
- Catalog:
- EatonCorp-CutlerHammer_00123_V4T2_254_V4T2_255_V4T2_349-V4T2_359_CAT.pdf
- Approval:
- UL 489, CSA C22.2, CE
- Short Description:
- MDL DIGITRIP 310 TRIP UNIT_LSIG FUNCTION
MSRP $26,951.02Surplus $8,258.20 -
Eaton NZMH2-AF250-NA Molded Case Breakers (MCCBs) 3P 250A 600V EA
MSRP $11,639.12Surplus $1,906.68SKU: C15-3641 Brand: Eaton MPN: NZMH2-AF250-NA UPC: 015082711041 Shipping Weight: 5.50 lbs. Shipping Height: 7.00 In. Shipping Length: 9.00 In. Shipping Width: 5.00...- SKU:
- C15-3641
- Frame Type:
- NZM2
- Voltage Rating:
- 600 VAC Star/347 V
- Current Rating:
- 32 A
- Number of Poles:
- 3
- Interrupting Rating:
- 150 kA
- Type:
- Thermal Magnetic
- Maximum AC Voltage Rating:
- 600
- Maximum DC Voltage Rating:
- 750
- Terminal Type:
- Front Screw
- Size:
- 105 Millimeter Width x 149 Millimeter Depth x 184 Millimeter Height
- Short Description:
- 600 VAC Star/347 VAC, 480 V, 250 A, 150 kA, 3-Pole, Front Screw Terminal, NZM2 Frame, Fixed Thermal Magnetic
- Catalog:
- Eaton-Moeller_00013_156_CAT.pdf
- Data Sheet:
- Eaton-Moeller_01221_1-10_DATA.pdf
- Installation/Operator:
- Eaton_00324_INST.pdf
- Specification/Technical:
- Eaton-Moeller_00366_1_2_SPEC.pdf
- Series:
- NZMH2
- Country of Origin:
- Germany
- Approval:
- UL 489, CSA C22.2, CE
MSRP $11,639.12Surplus $1,906.68 -
Eaton PDD23G0100TFFL Molded Case Breakers (MCCBs)
MSRP $637.09Surplus $364.65SKU: C15-11504 Brand: Eaton MPN: PDD23G0100TFFL UPC: Shipping Weight: 4.05 lbs. Shipping Height: 5.00 In. Shipping Length: 7.00 In. Shipping Width: 4.00 In. Product...- SKU:
- C15-11504
MSRP $637.09Surplus $364.65 -
Eaton QBGFEP1030 Miniature Circuit Breakers (MCBs) QBGF 1P 30A 240V 50/60Hz 1Ph EA
MSRP $952.34Surplus $104.32Eaton QBGFEP1030 Miniature Circuit Breakers (MCBs) QBGF 1P 30A 240V 50/60Hz 1Ph EA​ ARCA SKU: C15-3346 Brand: Eaton MPN: QBGFEP1030 UPC: 786679145135 Shipping Weight: 0.45 Shipping...- SKU:
- C15-3346
- Series:
- QBGFEP
- Type:
- Thermal Magnetic
- Approval:
- UL 489/943/1053
- Approval:
- CSA
- Volts:
- 120 VAC
- Amps:
- 32 A
- Used On:
- Panelboard
- Poles:
- 1
- Mounting:
- Bolt-On
- Interrupting Rating:
- 10 kA
- Terminal Type:
- Extended Tang Line
- Terminal Type:
- Steel Box Lug Load
- Wire Size:
- 14 to 4 AWG (Copper/Aluminum)
- Trip Sensitivity:
- 30 MilliA
- Short Description:
- 120 VAC, 30 A, 10 kA, 30 mA Trip Level, 1-Pole, Extended Tang Line/Steel Box Lug Load Terminal, Bolt-On Mount, Thermal Magnetic, Equipment Protector
- Catalog:
- Eaton_21247_4_9_CAT.pdf
- Voltage Rating:
- 120 VAC
- Current Rating:
- 30 A
- Number of Poles:
- 1
- Country of Origin:
- Dominican Republic
MSRP $952.34Surplus $104.32 -
Eaton QBGFT2015 Miniature Circuit Breakers (MCBs) QBGF 2P 15A 240V 50/60Hz 1Ph EA
MSRP $1,045.48Surplus $525.05Eaton QBGFT2015 Miniature Circuit Breakers (MCBs) QBGF 2P 15A 240V 50/60Hz 1Ph EA​ ARCA SKU: C15-4084 Brand: Eaton MPN: QBGFT2015 UPC: 786676026703 Shipping Weight: 0.75 lbs. Shipping...- SKU:
- C15-4084
- Approval:
- UL 489
- Size:
- 2.75 Inch Width x 4.5 Inch Depth x 2 Inch Height
- Volts:
- 120/240 VAC
- Amps:
- 32 A
- Poles:
- 2
- Interrupting Rating:
- 10 kA
- Terminal Type:
- Cable-In/Cable-Out
- Wire Size:
- 14 to 10 AWG (Copper)
- Wire Size:
- 12 to 10 AWG (Aluminum)
- Trip Sensitivity:
- 5 MilliA
- Short Description:
- 120/240 VAC, 15 A, 2-Pole, 10 kA, Common Trip, Thermal Magnetic
- Catalog:
- Eaton_14663_V4T1_17_CAT.pdf
- Current Rating:
- 15 A
- Voltage Rating:
- 120/240 VAC
- Number of Poles:
- 2
- TS PIK:
- 126205830
- Country of Origin:
- United States
MSRP $1,045.48Surplus $525.05 -
Eaton QBHCAF1015 Miniature Circuit Breakers (MCBs)
MSRP $392.44Surplus $257.68SKU: C15-9846 Brand: Eaton MPN: QBHCAF1015 UPC: 78668524492 Shipping Weight: 0.45 lbs. Shipping Height: 2.00 In. Shipping Length: 6.00 In. Shipping Width: 4.00 In...- SKU:
- C15-9846
- TS PIK:
- 123106440
- Number of Poles:
- 1
- Current Rating:
- 15 A
- Used On:
- Sumter Panel
- Interrupting Rating:
- 22 kA
- Short Description:
- BOLT-ON COMBINATION ARC FAULT 1P 15A 22kA
- Size:
- 3 Inch Width x 4.75 Inch Depth x 1.25 Inch Height
- Voltage Rating:
- 120/240 VAC
- Type:
- Combination
- Approval:
- UL 489
- Mounting:
- Bolt-On
- Country of Origin:
- Dominican Republic
MSRP $392.44Surplus $257.68 -
Eaton QBHGFEP1015 Miniature Circuit Breakers (MCBs) QBH 1P 15A 120/240V 50/60Hz 1Ph EA
MSRP $1,486.35Surplus $114.58SKU: C15-5084 Brand: Eaton MPN: QBHGFEP1015 UPC: 78211633622 Shipping Weight: 0.45 lbs. Shipping Height: 2.00 In. Shipping Length: 6.00 In. Shipping Width: 4.00 In...- SKU:
- C15-5084
- Approval:
- UL
- Approval:
- CSA
- Amps:
- 15 A
- Interrupting Rating:
- 22000 A at 120 VAC
- Mounting:
- Bolt-On
- Poles:
- 1
- Size:
- 3.5 Inch Width x 6 Inch Depth x 1.1 Inch Height
- Terminal Type:
- Steel Box Lug Standard Load
- Trip Sensitivity:
- 30 MilliA
- Type:
- Thermal Magnetic
- Type:
- Non-Interchangeable Trip
- Type:
- Miniature
- Volts:
- 120 VAC
- Gauge:
- 14 to 4 AWG/14 to 8 AWG Copper/Aluminum (Standard Load)
- Specification/Technical:
- Eaton_09371_1_SPE ...
- Wire Size:
- 14 to 4 AWG/14 to 8 AWG Copper/Aluminum (Standard Load)
- Current Rating:
- 15 A
- Voltage Rating:
- 120 VAC
- Number of Poles:
- 1
- Catalog:
- Eaton_03771_V4T1_3-V4T1_46_CAT.pdf
- Country of Origin:
- Dominican Republic
MSRP $1,486.35Surplus $114.58 -
Eaton QBHW2035H Miniature Circuit Breakers (MCBs) EA
MSRP $851.85Surplus $157.24SKU: C15-5309 Brand: Eaton MPN: QBHW2035H UPC: 78667915253 Shipping Weight: 0.70 lbs. Shipping Height: 2.00 In. Shipping Length: 4.00 In. Shipping Width: 4.00 In...- SKU:
- C15-5309
- Short Description:
- EATON QB THERMAL MAGNETIC CIRCUIT BREAKER,QUICKLAG INDUSTRIAL THERMAL-MAGNETIC C
- Number of Poles:
- 2
MSRP $851.85Surplus $157.24 -
Eaton QBHW3100HT Miniature Circuit Breakers (MCBs) QB 3P 100A 240V 50/60Hz 3Ph
MSRP $1,252.40Surplus $213.02Eaton QBHW3100HT Miniature Circuit Breakers (MCBs) QB 3P 100A 240V 50/60Hz 3Ph​ ARCA SKU: C15-2710 Brand: Eaton MPN: QBHW3100HT UPC: 786685416687 Shipping Weight: 1.15 Shipping Height: 4...- SKU:
- C15-2710
- Series:
- BAB
- Volts:
- 240 V
- Amps:
- 100 A
- Poles:
- 3
- Frequency Rating:
- 50/60 Hz
- Short Description:
- QUICKLAG INDUSTRIAL THERMAL-MAGNETIC CIRCUIT BREAKER, THREE-POLE, RING OR SPADE
- Number of Poles:
- 3
- Country of Origin:
- Dominican Republic
MSRP $1,252.40Surplus $213.02 -
Eaton SNT1LP08K Shunt Trips 120V F Frame EA
MSRP $1,466.07Surplus $413.67Eaton SNT1LP08K Shunt Trips 120V F Frame EA​ ARCA SKU: A13-1218 Brand: Eaton MPN: SNT1LP08K UPC: 786679808597 Shipping Weight: 0.35 lbs. Shipping Height: 3.00 In. Shipping...- SKU:
- A13-1218
- Series:
- C
- Type:
- Remote
- Used On:
- F Frame HMCP Breaker
- AC Voltage Rating:
- 48 to 127 V
- DC Voltage Rating:
- 48 To 60 V
- Connection Type:
- Pigtail Lead
- Frequency Rating:
- 50/60 Hz
- Mounting Location:
- Left Pole
- Short Description:
- 48 to 127 VAC, 48 to 60 VDC 50/60 Hz, Pigtail Lead, Left Pole Mount, Remote
- Catalog:
- Eaton_27487_V4T2_419_V4T2_434_CAT.pdf
- Country of Origin:
- Dominican Republic
MSRP $1,466.07Surplus $413.67 -
Eaton TEC1 Circuit Breaker Accessories
MSRP $68.75Surplus $29.77SKU: C15-3438 Brand: Eaton MPN: TEC1 UPC: 786679803455 Shipping Weight: 0.10 lbs. Shipping Height: 2.00 In. Shipping Length: 8.00 In. Shipping Width: 6.00 In...- SKU:
- C15-3438
- TS PIK:
- 21516207
- Short Description:
- MOLDED CASE CIRCUIT BREAKER TERMINAL END COVER, CONDUCTOR OPENING, 0.25 IN, F-FR
- Country of Origin:
- United States​
MSRP $68.75Surplus $29.77 -
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Eaton UVH6RP21K Circuit Breaker Accessories 24VDC
MSRP $2,499.35Surplus $977.69SKU: C15-4738 Brand: Eaton MPN: UVH6RP21K UPC: Shipping Weight: 0.55 lbs. Shipping Height: 4.00 In. Shipping Length: 5.00 In. Shipping Width: 4.00 In. Product...- SKU:
- C15-4738
- Volts:
- 24 VDC
- Short Description:
- EATON MOLDED CASE CIRCUIT BREAKER ACCESSORY UNDERVOLTAGE RELEASE, UNDERVOLTAGE R
MSRP $2,499.35Surplus $977.69 -
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Eaton XTCE012B10A NEMA and IEC Contactors 3P 12A 120V EA
MSRP $378.44Surplus $119.49Eaton XTCE012B10A NEMA and IEC Contactors 3P 12A 120V EA​ ARCA SKU: S06-1400 Brand: Eaton MPN: XTCE012B10A UPC: 015082768274 Shipping Weight: 0.55 lbs. Shipping Height: 2.00 In...- SKU:
- S06-1400
- Series:
- XT
- Type:
- Full Voltage
- Approval:
- UL
- Size:
- IEC B
- Amps:
- 32 A
- Poles:
- 3
- Enclosure:
- IP20
- Coil Voltage:
- 110/120 VAC 50/60 Hertz
- Construction Standard:
- IEC
- Auxiliary Contact:
- 1NO
- Power Rating/Voltage:
- 1 HP at 115 VAC 1-Phase
- Short Description:
- 2 Hp at 230 VAC 1-Phase, 10 Hp at 460/575 VAC 3-Phase, 110 VAC 50 Hz, 120 VAC 60 Hz, 12 A, 1NO, 3-Pole, IP20, Panel/DIN Rail Mount, Full Voltage, Non-Reversing
- Catalog:
- Eaton_34561_V5T1_35-V5T1_39_V5T1_49_V5T1_53_CAT.pdf
- Data Sheet:
- Eaton_40943_1-14_DATA.pdf
- CAD Drawing:
- Eaton_32681_1_CAD.pdf
- TS PIK:
- 120930058
- Number of Poles:
- 3
- CAD Drawings:
- Eaton_32681_1_CAD.pdf
- Installation/Operator:
- Eaton_00651_INST.pdf
- Current Rating:
- 12 A
MSRP $378.44Surplus $119.49 -
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Eaton 1KES125T Rating Plug Fixed 125A K Frame EA
MSRP $333.52Surplus $142.39Eaton 1KES125T Rating Plug Fixed 125A K Frame EA​ ARCA SKU: A13-1076 Brand: Eaton MPN: 1KES125T UPC: 786679268728 Shipping Weight: 0.04 lbs. Shipping Height: 1.40 In. Shipping...- SKU:
- A13-1076
- Adjustable Instantaneous Trip Range:
- 0
- Approval:
- UL
- Frame:
- K
- Frame:
- J-K
- Amps:
- 125 A
- Type:
- Fixed
- Type:
- RMS 310 Digitrip
- Short Description:
- 0
- Series:
- 0
- Specification/Technical:
- Eaton_04126_1_2_SPEC.pdf
- TS PIK:
- 107000532
MSRP $333.52Surplus $142.39 -
Eaton 3T20FB Circuit Breaker Accessories Terminal Kit 20A 50/60Hz F Frame
MSRP $28.59Surplus $15.25Eaton 3T20FB Circuit Breaker Accessories Terminal Kit 20A 50/60Hz F Frame​ ARCA SKU: C15-2026 Brand: Eaton MPN: 3T20FB UPC: 786679970560 Shipping Weight: 0.05 Shipping Height: 2.00 In...- SKU:
- C15-2026
- Type:
- Line/Load
- Used On:
- Molded Case Circuit Breaker
- Conductor Material:
- Copper/Aluminum
- Body Material:
- Steel
- Maximum Conductor Size:
- 1/0 AWG
- Minimum Conductor Size:
- 14 AWG
- Maximum Breaker Current Rating:
- 20 Amp
- Quantity:
- 3 per Pack
- Short Description:
- 20 A, 14 to 1/0 AWG, Steel, Line/Load Lug
- Catalog:
- Eaton_27487_V4T2_285_V4T2_286_CAT.pdf
- Country of Origin:
- United States​
MSRP $28.59Surplus $15.25 -
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Eaton 47A4446G36 Other Circuit Breakers EA
MSRP $51.28Surplus $26.93Eaton 47A4446G36 Other Circuit Breakers EA​ ARCA SKU: C15-5302 Brand: Eaton MPN: 47A4446G36 UPC: 786679651803 Shipping Weight: 0.45 lbs. Shipping Height: 1.00 In. Shipping...- SKU:
- C15-5302
- Accessory Type:
- Switch Shaft
- Breaker Type:
- EB/EHB/FB/HFB/CA/J/K/L/JA/KA/HKA/DA/LB/LBB/HLB/JB/KB/HKB/LA/HLA/LC/HLC/FCL/MA/HMA/MC/HMC/NB/HNB/NC/HNC Frame
- Breaker Type:
- Molded Case Circuit Breaker
- Handle Type:
- Lever
- Length:
- 6.5 Inch
- Mounting Depth:
- 4-3/4 to 9-3/4 Inch
- Mounting Depth:
- 5 to 10-1/4 Inch
- Mounting Depth:
- 5-3/8 to 10-5/8 Inch
- Mounting Depth:
- 5-3/4 to 11 Inch
- Mounting Depth:
- 5-7/8 to 11-1/8 Inch
- Mounting Depth:
- 6-1/8 to 11-1/4 Inch
- Mounting Depth:
- 6-11/16 to 11-3/16 Inch
- Mounting Depth:
- 6-11/16 to 11-13/16 Inch
- Mounting Depth:
- 7-15/16 to 13-1/4 Inch
- Amps:
- 30/60/100/200 A (C Frame)
- Type:
- Padlock Mechanism
- Type:
- Standard
- Short Description:
- 8.7" x 6" x 7", Lever Handle, Disconnect Switch Shaft
- Specification/Technical:
- Eaton_04635_1_2_SPEC.pdf
- Catalog:
- Eaton_03653_V12T3_97_CAT.pdf
MSRP $51.28Surplus $26.93 -
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Eaton A1L6RPK Circuit Breaker Accessories
MSRP $1,233.61Surplus $253.20SKU: C15-9528 Brand: Eaton MPN: A1L6RPK UPC: 78667933350 Shipping Weight: 0.40 lbs. Shipping Height: 5.00 In. Shipping Length: 5.00 In. Shipping Width: 6.00 In...- SKU:
- C15-9528
- TS PIK:
- 107001593
MSRP $1,233.61Surplus $253.20 -
Eaton A1X1PK Circuit Breaker Accessories Auxiliary Switch 600V J-K Frame
MSRP $789.55Surplus $129.72Eaton A1X1PK Circuit Breaker Accessories Auxiliary Switch 600V J-K Frame​ ARCA SKU: C15-2398 Brand: Eaton MPN: A1X1PK UPC: 786679161135 Shipping Weight: 0.10 Shipping Height: 3.00 In...- SKU:
- C15-2398
- Used On:
- F Frame Molded Case Circuit Breaker
- Contact Configuration:
- 1NO-1NC/1A-1B
- AC Voltage Rating:
- 600 Volt at 50/60 Hertz
- Accessory Type:
- Auxiliary Switch
- DC Voltage Rating:
- 125/250 Volt
- Connection Type:
- 18 AWG Pigtail Lead
- Mounting Location:
- Left/Right/Neutral Pole
- Short Description:
- 2A-2B, 18 AWG Pigtail Lead Connection, Left/Right/Neutral Pole Mount
- Catalog:
- Eaton_27487_V4T2_415_V4T2_475_CAT.pdf
- Country of Origin:
- Dominican Republic
MSRP $789.55Surplus $129.72 -
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Eaton AUXALRMJPK Circuit Breaker Accessories EA
MSRP $1,340.95Surplus $304.26Eaton AUXALRMJPK Circuit Breaker Accessories EA​ ARCA SKU: C15-9416 Brand: Eaton MPN: AUXALRMJPK UPC: Shipping Weight: 0.25 lbs. Shipping Height: 1.00 In. Shipping...- SKU:
- C15-9416
- TS PIK:
- 116622734
MSRP $1,340.95Surplus $304.26
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.