
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
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Eaton QBGFT2025 Miniature Circuit Breakers (MCBs) QB 2P 25A 120/240V 50/60Hz 1Ph EA
MSRP $1,054.46Surplus $94.87Eaton QBGFT2025 Miniature Circuit Breakers (MCBs) QB 2P 25A 120/240V 50/60Hz 1Ph EA​ ARCA SKU: C15-3918 Brand: Eaton MPN: QBGFT2025 UPC: 786676026727 Shipping Weight: 0.75 lbs. Shipping...- SKU:
- C15-3918
- 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 4 AWG
- Trip Sensitivity:
- 5 MilliA
- Short Description:
- 120/240 VAC, 25 A, 2-Pole, 10 kA, Common Trip, Thermal Magnetic
- Catalog:
- Eaton_14663_V4T1_17_CAT.pdf
- Number of Poles:
- 2
- Current Rating:
- 25 A
- Voltage Rating:
- 120/240 VAC
MSRP $1,054.46Surplus $94.87 -
Eaton QBH1020CAF Miniature Circuit Breakers (MCBs) 1P 20A 240V EA
MSRP $1,159.82Surplus $26.01Eaton QBH1020CAF Miniature Circuit Breakers (MCBs) 1P 20A 240V EA​ ARCA SKU: C15-3683 Brand: Eaton MPN: QBH1020CAF UPC: 786685514451 Shipping Weight: 0.40 lbs. Shipping Height: 2.00...- SKU:
- C15-3683
- Approval:
- UL 1699
- Amps:
- 20 A
- Interrupting Rating:
- 22 kA
- Mounting:
- Bolt-On
- Poles:
- 1
- Size:
- 0.99 Inch Width x 2.91 Inch Depth x 3.28 Inch Height
- Type:
- Arc Fault
- Type:
- High Interrupting
- Volts:
- 120/240 VAC
- Gauge:
- 14 to 4 AWG Copper/Aluminum
- Data Sheet:
- Eaton_62566_1-4_DATA.pdf
- TS PIK:
- 124790573
- Catalog:
- Eaton_03771_V4T1_14_V4T1_15_CAT.pdf
- Number of Poles:
- 1
- Wire Size:
- 14 to 4 AWG Copper/Aluminum
- Current Rating:
- 20 A
- Voltage Rating:
- 120/240 VAC
- Short Description:
- BOLT-ON BREAkER AFCI, 1 POLE, 20A, 22kAIC
- Series:
- QBH
- Country of Origin:
- Dominican Republic
MSRP $1,159.82Surplus $26.01 -
Eaton QBHW3040H Miniature Circuit Breakers (MCBs) QBHW 3P 40A 240V 50/60Hz 3Ph EA
MSRP $689.77Surplus $98.65Eaton QBHW3040H Miniature Circuit Breakers (MCBs) QBHW 3P 40A 240V 50/60Hz 3Ph EA​ ARCA SKU: C15-1784 Brand: Eaton MPN: QBHW3040H UPC: 786679393406 Shipping Weight: 1.10 lbs. Shipping...- SKU:
- C15-1784
- Series:
- QBHW
- Type:
- Molded Case
- Type:
- Thermal Magnetic
- Approval:
- UL 489
- Approval:
- CSA
- Volts:
- 240 VAC
- Amps:
- 32 A
- Poles:
- 3
- Mounting:
- Bolt-On
- Interrupting Rating:
- 22000 A at 240 VAC
- Terminal Type:
- Extended Tang Line Terminal
- Terminal Type:
- Box Lug Load Terminal
- Wire Size:
- 14 to 4 AWG Aluminum/Copper (Load)
- Short Description:
- 240 VAC, 40 A, 22 kA, 3-Pole, Extended Tang Line/Steel Box Lug Load Terminal, Bolt-On Mount, Thermal Magnetic, Miniature
- Catalog:
- Eaton_03771_V4T1_12_CAT.pdf
- TS PIK:
- 21510609
- Voltage Rating:
- 240 VAC
- Number of Poles:
- 3
- Current Rating:
- 40 A
- Country of Origin:
- Dominican Republic
MSRP $689.77Surplus $98.65 -
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Eaton QCGF2030 Din Rail Mounted Circuit Breakers 30A
MSRP $651.00Surplus $251.24Eaton QCGF2030 Din Rail Mounted Circuit Breakers 30A​ ARCA SKU: C15-4109 Brand: Eaton MPN: QCGF2030 UPC: 78667957406 Shipping Weight: 0.85 lbs. Shipping Height: 3.00 In. Shipping...- SKU:
- C15-4109
- Type:
- Thermal Magnetic
- Type:
- Circuit Protector
- Approval:
- UL 489
- Approval:
- CSA
- Volts:
- 120/240 VAC
- Amps:
- 32 A
- Poles:
- 2
- Mounting:
- Cable In/Cable Out
- Interrupting Rating:
- 10 kA
- Terminal Type:
- Aluminum Lug Line Terminal
- Terminal Type:
- Steel Box Lug Load Terminal
- Wire Size:
- 14 to 4 AWG Aluminum/Copper (Load)
- Trip Sensitivity:
- 5 MilliA
- Short Description:
- 120/240 VAC, 30 A, 10 kA, 5 mA Trip Level, 2-Pole, Aluminum Lug Line Terminal, Steel Box Lug Load Terminal, Cable-In/Out Mount, Thermal Magnetic, Circuit Protector
- Catalog:
- Eaton_00073_V9T1_23_CAT.pdf
- TS PIK:
- 119064586
- Voltage Rating:
- 120/240 VAC
- Current Rating:
- 30 A
- Number of Poles:
- 2
MSRP $651.00Surplus $251.24 -
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Eaton QCGFEP2020 Miniature Circuit Breakers (MCBs) QCGF 2P 20A 240V 50/60Hz 1Ph
MSRP $1,200.00Surplus $448.00SKU: C15-1664 Brand: Eaton MPN: QCGFEP2020 UPC: 786679574225 Shipping Weight: 0.85 lbs. Shipping Height: 4.00 In. Shipping Length: 6.00 In. Shipping Width: 3.00 In...- SKU:
- C15-1664
- Approval:
- UL
- Approval:
- CSA
- Amps:
- 20 A
- Interrupting Rating:
- 10000 A
- Poles:
- 2
- Size:
- 2 Inch Width x 3 Inch Depth x 2 Inch Height
- Terminal Type:
- Aluminum Box Lug Standard Line
- Trip Sensitivity:
- 30 MilliA
- Type:
- Thermal Magnetic
- Type:
- Non-Interchangeable Trip
- Type:
- Cable-In/Cable-Out
- Type:
- Equipment Protector
- Type:
- Miniature
- Volts:
- 120/240 VAC
- Gauge:
- 14 to 4 AWG Copper/Aluminum (Standard Load)
- Specification/Technical:
- ...
- Number of Poles:
- 2
- Voltage Rating:
- 120/240 VAC
- Current Rating:
- 20 A
- Catalog:
- Eaton_03771_V4T1_3-V4T1_46_CAT.pdf
- Wire Size:
- 14 to 4 AWG Copper/Aluminum (Standard Load)
- Short Description:
- EATON QC GFCI CIRCUIT BREAKER, EQUIPMENT PROTECTOR, 30 MA TRIP SENSITIVITY, 30 A, 10 kAIC, TWO-POLE, 120/240 V, NON-INTERCHANGEABLE, CABLE-IN/CABLE-OUT, Q7, BREAKER TYPE QCGFEP
MSRP $1,200.00Surplus $448.00 -
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Eaton QCGFT1015 Miniature Circuit Breakers (MCBs) QCGF 1P 15A 120V 50/60Hz 1Ph EA
MSRP $750.00Surplus $195.51SKU: C15-3825 Brand: Eaton MPN: QCGFT1015 UPC: 786680130601 Shipping Weight: 0.40 lbs. Shipping Height: 2.00 In. Shipping Length: 7.00 In. Shipping Width: 4.00 In...- SKU:
- C15-3825
- Approval:
- UL 489/943/1053
- Approval:
- CSA
- Amps:
- 15 A
- Interrupting Rating:
- 10 kA
- Poles:
- 1
- Size:
- 1 Inch Width x 1 Inch Depth x 1 Inch Height
- Terminal Type:
- Cable-In/Cable-Out
- Trip Sensitivity:
- 5 MilliA
- Type:
- Thermal Magnetic
- Volts:
- 120 VAC
- Short Description:
- 120 VAC, 15 A, 1-Pole, 10 kA, Cable Terminal, Cable-In/Cable-Out Mount, Thermal Magnetic, Ground Fault Circuit Breaker
- Series:
- QCGFT
- Specification/Technical:
- Eaton_32357_1_SPEC.pdf
- Current Rating:
- 15 A
- Voltage Rating:
- 120 VAC
- Number of Poles:
- 1
- Catalog:
- Eaton_03771_V4T1_28_CAT.pdf
- Country of Origin:
- Dominican Republic
MSRP $750.00Surplus $195.51 -
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Eaton RGC320033MC Molded Case Breakers (MCCBs) RGC 3P 2000A 690V 50/60Hz 3Ph R Frame
MSRP $43,415.00Surplus $14,682.32SKU: C15-4203 Brand: Eaton MPN: RGC320033MC UPC: 786685578064 Shipping Weight: 114.50 lbs. Shipping Height: 18.00 In. Shipping Length: 20.00 In. Shipping Width: 19.00...- SKU:
- C15-4203
- Series:
- C
- Volts:
- 690 V
- Amps:
- 2000 A
- Poles:
- 3
- Frequency Rating:
- 50/60 Hz
- Frame:
- R
- Short Description:
- EATON SERIES G ELECTRONIC MOLDED CASE CIRCUIT BREAKER, RG-FRAME, RG, DIGITRIP 31
MSRP $43,415.00Surplus $14,682.32 -
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Eaton RGH320032EC Molded Case Breakers (MCCBs) RGH 3P 2000A 690V 50/60Hz 3Ph R Frame
MSRP $44,446.00Surplus $14,879.29SKU: C15-3715 Brand: Eaton MPN: RGH320032EC UPC: 786685574752 Shipping Weight: 108.20 lbs. Shipping Height: 19.00 In. Shipping Length: 21.00 In. Shipping Width: 19.00...- SKU:
- C15-3715
- Series:
- C
- Volts:
- 690 V
- Amps:
- 2000 A
- Poles:
- 3
- Frequency Rating:
- 50/60 Hz
- Frame:
- R
- Short Description:
- RGH 310+ 3P BKR- LSI 2000A 100% RATED ENG. CONDUCTORS
MSRP $44,446.00Surplus $14,879.29 -
Eaton SADP316 Circuit Breaker Accessories Adapter Kit 3P 1600A NF/RF Frame
MSRP $1,150.00Surplus $239.07SKU: C15-3291 Brand: Eaton MPN: SADP316 UPC: 786685441009 Shipping Weight: 5.50 lbs. Shipping Height: 4.00 In. Shipping Length: 9.00 In. Shipping Width: 6.00 In...- SKU:
- C15-3291
- Type:
- Universal Interrupt Terminal
- Type:
- 3-Pole
- Used On:
- NRX Power Defense Terminal
- Short Description:
- 1600 A, 3-Pole, Rear Mount Connection, Short Horizontal/Vertical, Universal Interrupt
- Catalog:
- Eaton_46618_5_CAT.pdf
- Data Sheet:
- Eaton_14703_6_DATA.pdf
- Installation/Operator:
- Eaton_00327_INST.pdf
- Country of Origin:
- United States
MSRP $1,150.00Surplus $239.07 -
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Eaton SNT3P18K Shunt Trips 600V 50/60Hz
MSRP $1,100.00Surplus $172.98Eaton SNT3P18K Shunt Trips 600V 50/60Hz​ ARCA SKU: A13-1014 Brand: Eaton MPN: SNT3P18K UPC: Shipping Weight: 0.40 lbs. Shipping Height: 4.00 In. Shipping Length: 6.00 In...- SKU:
- A13-1014
- Type:
- Field Mount
- Type:
- AC
- Approval:
- UL
- Used On:
- HMCP C Series K Frame Molded Case Circuit Breaker
- Used On:
- KT Thermal Magnetic Trip
- AC Voltage Rating:
- 480 to 600 V
- Connection Type:
- Pigtail Lead
- Frequency Rating:
- 50/60 Hz
- Mounting Location:
- Left/Right/Neutral Pole
- Catalog:
- Eaton_03771_V4T2_386_V4T2_402_CAT.pdf
- Installation/Operator:
- Eaton_00625_INST.pdf
- Short Description:
- EATON MOLDED CASE CIRCUIT BREAKER ACCESSORY SHUNT TRIP, SHUNT TRIP FACTORY INSTA
- Country of Origin:
- Dominican Republic
MSRP $1,100.00Surplus $172.98 -
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Eaton UVH1LA08 Circuit Breaker Accessories 127V 0Ph 0HP 0W 0ft 0 PSI 0Wire 0Jaws 0RPMs 0Cir 0Sp 0BOX
MSRP $1,600.00Surplus $176.08SKU: C15-4654 Brand: Eaton MPN: UVH1LA08 UPC: Shipping Weight: 0.15 lbs. Shipping Height: 3.00 In. Shipping Length: 5.00 In. Shipping Width: 5.00 In. Product...- SKU:
- C15-4654
- Volts:
- 127 V
- Country of Origin:
- Dominican Republic
MSRP $1,600.00Surplus $176.08 -
Eaton WMZS3D10 Miniature Circuit Breakers (MCBs) EA
MSRP $233.10Surplus $129.91Eaton WMZS3D10 Miniature Circuit Breakers (MCBs) EA​ ARCA SKU: C15-9063 Brand: Eaton MPN: WMZS3D10 UPC: 7866852599016 Shipping Weight: 0.75 lbs. Shipping Height: 3.00 In. Shipping...- SKU:
- C15-9063
- Short Description:
- UL 1077 WMZS DIN RAIL SUPPLEMENTARY PROTECTOR
- Country of Origin:
- United States
MSRP $233.10Surplus $129.91 -
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Eaton XTCE009B10B Other Contactors Non-Reversing 3P 22A 240V 50/60Hz
MSRP $327.00Surplus $36.67Eaton XTCE009B10B Other Contactors Non-Reversing 3P 22A 240V 50/60Hz​ ARCA SKU: S06-1388 Brand: Eaton MPN: XTCE009B10B UPC: 015082766898 Shipping Weight: 0.60 lbs. Shipping Height: 2.00...- SKU:
- S06-1388
- Series:
- XT
- Type:
- Non-Reversing
- Approval:
- UL
- Size:
- Frame 45 MM
- Amps:
- 32 A
- Poles:
- 3
- Enclosure:
- IP20
- Coil Voltage:
- 220 VAC at 50 Hz
- Construction Standard:
- IEC
- Auxiliary Contact:
- 1NO
- Power Rating/Voltage:
- 1/2 HP at 115 V 1-Phase
- Short Description:
- 1-1/2 HP at 230 VAC 1-Phase, 7-1/2 HP at 575 VAC 3-Phase, 220 VAC 50 Hz, 240 VAC 60 Hz, 9 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_40939_1-14_DATA.pdf
- CAD Drawing:
- Eaton_32681_1_CAD.pdf
- Country of Origin:
- Romania
- Number of Poles:
- 3
- CAD Drawings:
- Eaton_32681_1_CAD.pdf
- Current Rating:
- 20 A (UL Continuous), 9 A (AC-3), 22 A (AC-1)
MSRP $327.00Surplus $36.67 -
Eaton Z-SV/UL-16/2P-2TE/12 Bus Plugs and Busway EA
MSRP $227.00Surplus $7.12Eaton Z-SV/UL-16/2P-2TE/12 Bus Plugs and Busway EA​ ARCA SKU: L19-3709 Brand: Eaton MPN: Z-SV/UL-16/2P-2TE/12 UPC: 9007912743538 Shipping Weight: 0.15 lbs. Shipping Height: 1.00 In...- SKU:
- L19-3709
- UOM:
- EA
- Box Quantity:
- 1
- Type:
- Bus Bar
- Catalog:
- Eaton_03771_V4T1_62_CAT.pdf
- Short Description:
- 690 V, 2-Phase, 12 HP, 80 A, 2-Pole, 12-Terminal Busbar for Circuit Breaker
- Used On:
- Miniature Circuit Breaker
- Data Sheet:
- Eaton_56820_1_DATA.pdf
- Country of Origin:
- Germany
MSRP $227.00Surplus $7.12 -
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Murray MP260 Miniature Circuit Breakers (MCBs)
Surplus $28.91Murray MP260 Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-6301 Brand: Murray MPN: MP260 UPC: 04089251899 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping...- SKU:
- C15-6301
- TS PIK:
- 21029790
Surplus $28.91 -
Murray MP270 Miniature Circuit Breakers (MCBs) 2P 70A 120V
MSRP $295.20Surplus $49.06Murray MP270 Miniature Circuit Breakers (MCBs) 2P 70A 120V​ ARCA SKU: C15-6308 Brand: Murray MPN: MP270 UPC: 04089227980 Shipping Weight: 4.00 lbs. Shipping Height: 4.00 In...- SKU:
- C15-6308
- TS PIK:
- 120071984
- Installation/Operator:
- SiemensAG_00215_INST.pdf
- Type:
- Common Trip
- Voltage Rating:
- 120/240 VAC
- Interrupting Rating:
- 10 kA
- Data Sheet:
- SiemensAG_06636_1_DATA.pdf
- Short Description:
- 120/240 VAC, 70 A, 10 kA, 2-Pole, Plug-In Mount, MP-T Frame, Thermal Magnetic Trip Unit, Miniature Circuit Breaker
- Used On:
- Loadcenter
- Size:
- 2 Inch W x 3 Inch D x 3 1/8 Inch H
- Series:
- MP-T
- Number of Poles:
- 2
- Current Rating:
- 70 A
- Terminal Type:
- Load Lug
- Wire Size:
- 8 to 2/0 AWG (Copper/Aluminum)
- Mounting:
- Plug-On
- Country of Origin:
- Mexico
MSRP $295.20Surplus $49.06 -
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Murray MP3100 Miniature Circuit Breakers (MCBs) EA
MSRP $763.20Surplus $53.47SKU: C15-6331 Brand: Murray MPN: MP3100 UPC: 04089223760 Shipping Weight: 1.00 lbs. Shipping Height: 3.00 In. Shipping Length: 3.15 In. Shipping Width: 3.00 In...- SKU:
- C15-6331
- TS PIK:
- 21029187
- Short Description:
- 240 VAC, 100 A, 10 kA, 3-Pole, Plug-In Mount, MP-T Frame, Thermal Magnetic Trip Unit, Miniature Circuit Breaker
- Type:
- Common Trip
- Series:
- MP-T
- Interrupting Rating:
- 10 kA
- Mounting:
- Plug-On
- Current Rating:
- 100 A
- Used On:
- Loadcenter
- Voltage Rating:
- 240 VAC
- Wire Size:
- 8 to 2/0 AWG (Copper/Aluminum)
- Installation/Operator:
- SiemensAG_00215_INST.pdf
- Data Sheet:
- SiemensAG_06644_1_DATA.pdf
- Size:
- 3 Inch W x 3 Inch D x 3 1/8 Inch H
- Terminal Type:
- Load Lug
- Number of Poles:
- 3
- Country of Origin:
- Mexico
MSRP $763.20Surplus $53.47 -
Eaton 1223C77G03 Circuit Breaker Accessories EA
MSRP $17.00Surplus $5.85Eaton 1223C77G03 Circuit Breaker Accessories EA​ ARCA SKU: C15-4312 Brand: Eaton MPN: 1223C77G03 UPC: 786679820704 Shipping Weight: 0.35 lbs. Shipping Height: 3.00 In. Shipping...- SKU:
- C15-4312
- UOM:
- BOX
- Type:
- Padlock Device
- Frame Type:
- GB/GC
- Box Quantity:
- 10
MSRP $17.00Surplus $5.85 -
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Eaton 1492D08H09 Circuit Breaker Accessories Handle Mechanism K Frame 3 Screw Configuration
MSRP $146.00Surplus $104.26Eaton 1492D08H09 Circuit Breaker Accessories Handle Mechanism K Frame 3 Screw Configuration​ ARCA SKU: C15-3040 Brand: Eaton MPN: 1492D08H09 UPC: 786679062814 Shipping Weight: 0.50 Shipping...- SKU:
- C15-3040
- Type:
- Handle Mechanism
- Used On:
- K-Frame C Series Molded Case Circuit Breaker
- Short Description:
- Handle Mechanism for K-Frame C Series Molded Case Circuit Breaker
- Specification/Technical:
- Eaton_03716_1_2_SPEC.pdf
MSRP $146.00Surplus $104.26 -
Eaton 16RES16T Rating Plug 1600A J-K Frame
MSRP $327.46Surplus $58.94Eaton 16RES16T Rating Plug 1600A J-K Frame​ ARCA SKU: A13-1201 Brand: Eaton MPN: 16RES16T UPC: 786679581001 Shipping Weight: 0.10 lbs. Shipping Height: 2.00 In. Shipping...- SKU:
- A13-1201
- Frame:
- GR
- Type:
- RMS 310 Digitrip
- Type:
- Interchangeable Trip
- Short Description:
- 1600 A, GR-Frame, Electronic RMS 310 Digitrip, Fixed, Molded Case Breaker Rating Plug
- Specification/Technical:
- EatonCorp-CutlerHammer_00010_1_2_SPEC.pdf
- Installation/Operator:
- EatonCorp-CutlerHammer_00001_INST.pdf
- Maximum Breaker Current Rating:
- 1600 A
- Plug Current Rating:
- 1600 A
- Frame Type:
- GR
- Catalog:
- EatonCorp-CutlerHammer_00004_89_91-93_CAT.pdf
- Country of Origin:
- United States
MSRP $327.46Surplus $58.94
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