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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ABB OXP10X225 Circuit Breaker Accessories
MSRP $225.00Surplus $36.55ABB OXP10X225 Circuit Breaker Accessories​ ARCA SKU: C15-11359 Brand: ABB MPN: OXP10X225 UPC: 41701914707 Shipping Weight: 0.40 lbs. Shipping Height: 1.00 In. Shipping...- SKU:
- C15-11359
- TS PIK:
- 121312970
- Short Description:
- Drive Shaft
- Country of Origin:
- United States
- Handle Type:
- Rotary
- Breaker Type:
- T4/T5 Frame
MSRP $225.00Surplus $36.55 -
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ABB S203-K3 Miniature Circuit Breakers (MCBs)
MSRP $240.00Surplus $38.93ABB S203-K3 Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-11376 Brand: ABB MPN: S203-K3 UPC: 4016779609333 Shipping Weight: 0.95 lbs. Shipping Height: 3.00 In. Shipping...- SKU:
- C15-11376
- TS PIK:
- 121306893
- Short Description:
- 480 Star/277 VAC 50/60 Hz, 110 VDC, 3 A, 3-Pole, 6 kA, 35 MM DIN Rail Mount, Current Limiting, Thermal Magnetic, Miniature Circuit Breaker
- Terminal Type:
- Screw Terminal
- Interrupting Rating:
- 6 kA
- Type:
- Miniature, Thermal Tripping, Current Limiting, Supplementary Protector
- Voltage Rating:
- 480 Star/277 VAC, 125 VDC
- Mounting:
- 35 Millimeter DIN Rail Mount
- Number of Poles:
- 3
- Series:
- S200
- Catalog:
- ABBInstallationProducts_00198_20_24_CAT.pdf
- Size:
- 52.5 Millimeter Width x 69 Millimeter Depth x 88 Millimeter Height
- Current Rating:
- 3 A
- Wire Size:
- 18 to 4 AWG (Conductor), 18 to 8 AWG (Busbar)
- Installation/Operator:
- ABBInstallationProducts_00016_INST.pdf
- Country of Origin:
- United States
MSRP $240.00Surplus $38.93 -
Crouse-Hinds BR250 Miniature Circuit Breakers (MCBs)
MSRP $142.47Surplus $19.50SKU: C15-5659 Brand: Crouse-Hinds MPN: BR250 UPC: 78667636305 Shipping Weight: 0.55 lbs. Shipping Height: 2.00 In. Shipping Length: 3.00 In. Shipping Width: 3.00 In...- SKU:
- C15-5659
- TS PIK:
- 21493860
- Series:
- BR
- Short Description:
- 120/240 VAC, 50 A, 10 kA Interrupt, 2-Pole, Plug-On Mount, Common Trip, Thermal Magnetic Circuit Breaker
- Type:
- Thermal Magnetic, Common Trip
- Voltage Rating:
- 120/240 VAC
- Mounting:
- Plug-On
- Current Rating:
- 50 A
- Interrupting Rating:
- 10 kA
- Size:
- 3 Inch Length x 2 Inch Width x 3 Inch Height
- Number of Poles:
- 2
- Catalog:
- EatonCorp_00568_V1T1_84_CAT.pdf
- Used On:
- Type BR Load Center
- Wire Size:
- 14 to 4 AWG Copper/Aluminum at 60 Deg C
MSRP $142.47Surplus $19.50 -
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Crouse-Hinds FAZ-D4/2 Din Rail Mounted Circuit Breakers 2P 4A
MSRP $281.78Surplus $51.50Crouse-Hinds FAZ-D4/2 Din Rail Mounted Circuit Breakers 2P 4A​ ARCA SKU: C15-5499 Brand: Crouse-Hinds MPN: FAZ-D4/2 UPC: 01508278775 Shipping Weight: 0.55 lbs. Shipping Height: 2.00...- SKU:
- C15-5499
- Terminal Type:
- Screw
- Data Sheet:
- Eaton_40780_1_2_DATA.pdf
- Type:
- Thermal Magnetic
- Installation/Operator:
- Eaton_00479_INST.pdf
- Wire Size:
- 18 to 4/18 to 8 AWG
- Interrupting Rating:
- 10 kA
- Size:
- 1.4 Inch Width x 2.36 Inch Depth x 3.15 Inch Height
- Catalog:
- Eaton_03771_V4T1_74_V4T1_75_V4T1_78_V4T1_85_V4T1_86_V4T1_88_V4T1_92_CAT.pdf
- Current Rating:
- 4 A
- Number of Poles:
- 2
- Series:
- FAZ
- Mounting:
- DIN Rail
- Voltage Rating:
- 277/480 VAC
- Short Description:
- 480 VAC Star/277 VAC, 96 VDC, 4 A, 15 kA, 10 to 20 x Rated Current, 2-Pole, Screw Terminal, DIN Rail Mount, Current Limiting, Thermal Magnetic, Miniature Circuit Breaker
- Curve Type:
- D
- Approval:
- UL 1077, UL (Canada and US), CSA C22.2, CE
- Trip Setting:
- 10 to 20 x Rated Current
MSRP $281.78Surplus $51.50 -
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Crouse-Hinds FD3060 Molded Case Breakers (MCCBs) EA
MSRP $2,380.93Surplus $404.79SKU: C15-7948 Brand: Crouse-Hinds MPN: FD3060 UPC: 78667930571 Shipping Weight: 4.00 lbs. Shipping Height: 4.00 In. Shipping Length: 7.00 In. Shipping Width: 5.00 In...- SKU:
- C15-7948
- TS PIK:
- 21508839
- Short Description:
- 600 VAC 50/60 Hz, 250 VDC, 60 A, 35/10 kA, 3-Pole, Standard Pressure Load Terminal, FD Frame, Thermal Magnetic, Molded Case, Non-Interchangeable Trip Circuit Breaker
- Series:
- C, FD
- Voltage Rating:
- 600 VAC, 250 VDC
- Type:
- Molded Case, Thermal Magnetic
- CAD Drawings:
- Eaton_21586_1_CAD.pdf
- Installation/Operator:
- Eaton_00091_INST.pdf
- Interrupting Rating:
- 65 kA at 240 VAC, 35 kA at 480 VAC, 18 kA at 600 VAC, 10 kA at 250 VDC
- Maximum AC Voltage Rating:
- 600 V
- Frame Type:
- FD
- Terminal Type:
- Standard Pressure Load
- Current Rating:
- 60 A
- Maximum DC Voltage Rating:
- 250 V
- Catalog:
- Eaton_27487_V4T2_254_V4T2_255_V4T2_273_V4T2_274_CAT.pdf
- Number of Poles:
- 3
- Data Sheet:
- Eaton_07831_1-3_8_9_DATA.pdf
- Size:
- 4.13 Inch Width x 3.38 Inch Depth x 6 Inch Height
- Country of Origin:
- Dominican Republic
MSRP $2,380.93Surplus $404.79 -
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Cutler-Hammer 21-A141ED4 Circuit Breaker Accessories NULL EA
MSRP $850.00Surplus $228.19SKU: C15-8879 Brand: Eaton Cutler-Hammer MPN: 21-A141ED4 UPC: Shipping Weight: 5.45 lbs. Shipping Height: 5.00 In. Shipping Length: 26.00 In. Shipping Width: 7.00 In...- SKU:
- C15-8879
MSRP $850.00Surplus $228.19 -
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Cutler-Hammer CH120 Miniature Circuit Breakers (MCBs) NULL EA
MSRP $21.60Surplus $6.06Cutler-Hammer CH120 Miniature Circuit Breakers (MCBs) NULL EA​ ARCA SKU: C15-9292 Brand: Cutler-Hammer MPN: CH120 UPC: Shipping Weight: 0.25 lbs. Shipping Height: 1.00 In. Shipping...- SKU:
- C15-9292
- Number of Poles:
- 1
- Used On:
- CH Series Load Center
- Short Description:
- 120/240 VAC, 20 A, 10 kA, 1-Pole, Plug-On Mount, Thermal Magnetic, Circuit Breaker
- Catalog:
- Eaton_36620_V1T1_36_V1T1_37_CAT.pdf
- Series:
- CH
- Installation/Operator:
- Eaton_00231_INST.pdf
- Voltage Rating:
- 120/240 VAC
- Type:
- Thermal Magnetic
- Mounting:
- Plug-On
- Current Rating:
- 20 A
- Interrupting Rating:
- 10 kA
- Wire Size:
- (1) 14 to 8 AWG (Copper/Aluminum), (2) 14 to 10 AWG Solid/Stranded (Copper/Aluminum)
- Country of Origin:
- United States
MSRP $21.60Surplus $6.06 -
Cutler-Hammer KD3100 Molded Case Breakers (MCCBs) 3P 100A 50/60Hz 3Ph EA
MSRP $5,756.77Surplus $2,275.63SKU: C15-6839 Brand: Cutler-Hammer MPN: KD3100 UPC: 78667901297 Shipping Weight: 11.30 lbs. Shipping Height: 7.00 In. Shipping Length: 13.00 In. Shipping Width: 7.00...- SKU:
- C15-6839
- TS PIK:
- 119842442
- Number of Poles:
- 3
- Terminal Type:
- Line and Load
- Size:
- 5.5 Inch Width x 4.1 Inch Depth x 10.13 Inch Height
- Interrupting Rating:
- 65 kA at 240 VAC, 35 kA at 480 VAC, 25 kA at 600 VAC, 10 kA at 250 VDC (NEMA/UL/CSA), 65 kA at 240 VAC, 40 kA at 380/415 VAC, 10 kA at 250 VDC (IEC)
- Current Rating:
- 100 A
- Type:
- Thermal Magnetic, Standard Interrupting Capacity, Molded Case
- Maximum AC Voltage Rating:
- 600 V
- Frame Type:
- KD
- Maximum DC Voltage Rating:
- 250 V
- Voltage Rating:
- 600 VAC 50/60 Hertz, 250 VDC
- Installation/Operator:
- Eaton_00085_INST.pdf
- CAD Drawings:
- Eaton_10161_1_CAD.pdf
- Catalog:
- EatonCorp-CutlerHammer_00123_V4T2_254_V4T2_255_V4T2_258_V4T2_299-V4T2_322_CAT.pdf
MSRP $5,756.77Surplus $2,275.63 -
Cutler-Hammer KD3350 Molded Case Breakers (MCCBs) NULL EA
MSRP $5,756.77Surplus $1,240.10SKU: C15-7314 Brand: Cutler-Hammer MPN: KD3350 UPC: 78667934918 Shipping Weight: 11.60 lbs. Shipping Height: 6.00 In. Shipping Length: 12.00 In. Shipping Width: 7.00...- SKU:
- C15-7314
- TS PIK:
- 21098261
- CAD Drawings:
- Eaton_10161_1_CAD.pdf
- Type:
- Molded Case, Thermal Magnetic
- Voltage Rating:
- 600 VAC at 50/60 Hz
- Catalog:
- Eaton_27487_V4T2_254_V4T2_255_V4T2_299-V4T2_305_CAT.pdf
- Maximum AC Voltage Rating:
- 600 VAC
- Terminal Type:
- Aluminum/Copper Standard Line and Load Terminal
- Size:
- 5.5 Inch W x 4.063 Inch D x 10.125 Inch H
- Installation/Operator:
- Eaton_00085_INST.pdf
- Current Rating:
- 350 A
- Frame Type:
- KD
- Interrupting Rating:
- 35 kA at 480 VAC
- Short Description:
- 600 VAC 50/60 Hz, 350 A, 35 kA, 3-Pole, KD Frame, Thermal Magnetic, Molded Case, Interchangeable Trip Circuit Breaker
- Number of Poles:
- 3
- Series:
- C
MSRP $5,756.77Surplus $1,240.10 -
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Cutler-Hammer MCP23480R Molded Case Breakers (MCCBs) 50A 50/60Hz EA
MSRP $1,950.00Surplus $167.79SKU: U00-3248 Brand: Eaton Cutler-Hammer MPN: MCP23480R UPC: Shipping Weight: 4.10 lbs. Shipping Height: 5.00 In. Shipping Length: 8.00 In. Shipping Width: 5.00 In...- SKU:
- U00-3248
MSRP $1,950.00Surplus $167.79 -
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Eaton 1KES125T Rating Plug Fixed 125A K Frame EA
MSRP $245.00Surplus $104.60Eaton 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 $245.00Surplus $104.60 -
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Eaton 3T20FB Circuit Breaker Accessories Terminal Kit 20A 50/60Hz F Frame
MSRP $21.00Surplus $6.82Eaton 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 $21.00Surplus $6.82 -
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Eaton 47A4446G36 Other Circuit Breakers EA
MSRP $37.67Surplus $19.78Eaton 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 $37.67Surplus $19.78 -
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Eaton A1L6RPK Circuit Breaker Accessories
MSRP $906.20Surplus $186.00SKU: 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 $906.20Surplus $186.00 -
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Eaton A1X1PK Circuit Breaker Accessories Auxiliary Switch 600V J-K Frame
MSRP $580.00Surplus $184.87Eaton 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 $580.00Surplus $184.87 -
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Eaton AUXALRMJPK Circuit Breaker Accessories EA
MSRP $985.05Surplus $223.51Eaton 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 $985.05Surplus $223.51 -
Eaton BAB3035H Molded Case Breakers (MCCBs)
MSRP $429.00Surplus $137.31SKU: C15-1093 Brand: Eaton MPN: BAB3035H UPC: 78667930335 Shipping Weight: 0.95 lbs. Shipping Height: 4.00 In. Shipping Length: 3.00 In. Shipping Width: 4.00 In...- SKU:
- C15-1093
- Series:
- Type BAB
- Type:
- Thermal Magnetic
- Approval:
- UL 489
- Approval:
- CSA
- Volts:
- 240 VAC
- Amps:
- 32 A
- Poles:
- 3
- Mounting:
- Bolt-On
- Interrupting Rating:
- 10000 A at 240 VAC
- Terminal Type:
- Extended Tang Line Terminal
- Terminal Type:
- Box Lug Load Terminal
- Wire Size:
- 14 to 4 AWG (Aluminum/Copper
- Wire Size:
- Load)
- Short Description:
- 240 VAC, 35 A, 10 kA, 3-Pole, Extended Tang Line/Box Lug Load Terminal, Bolt-On Mount, Thermal Magnetic, Miniature
- Catalog:
- Eaton_03771_V4T1_3_V4T1_11_V4T1_12_CAT.pdf
- TS PIK:
- 21508709
- Number of Poles:
- 3
- Current Rating:
- 35 A
- Voltage Rating:
- 240 VAC
- Country of Origin:
- Dominican Republic
MSRP $429.00Surplus $137.31 -
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Eaton BABF1020 Miniature Circuit Breakers (MCBs) BA 1P 20A 240V 50/60Hz 1Ph EA
MSRP $185.00Surplus $116.64Eaton BABF1020 Miniature Circuit Breakers (MCBs) BA 1P 20A 240V 50/60Hz 1Ph EA​ ARCA SKU: C15-1111 Brand: Eaton MPN: BABF1020 UPC: 786685405063 Shipping Weight: 0.25 lbs. Shipping...- SKU:
- C15-1111
- Amps:
- 32 A
- Poles:
- 1
- Mounting:
- Bolt-On
- Interrupting Rating:
- 10 kA
- Short Description:
- 120/240 VAC, 20 A, 10 kA, 1-Pole, Ring/Spade Lug Terminal, Bolt-On Mount, Thermal Magnetic, Branch
- Catalog:
- Eaton_36648_1_2_CAT.pdf
- TS PIK:
- 123730136
- Current Rating:
- 15 A
- Number of Poles:
- 1
MSRP $185.00Surplus $116.64 -
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Eaton BABRP2020 Miniature Circuit Breakers (MCBs) BAB 2P 20A 120V 50/60Hz 1Ph
MSRP $979.00Surplus $286.97SKU: C15-3009 Brand: Eaton MPN: BABRP2020 UPC: 782116062348 Shipping Weight: 1.00 lbs. Shipping Height: 4.00 In. Shipping Length: 6.25 In. Shipping Width: 3.00 In...- SKU:
- C15-3009
- Series:
- BAB
- Type:
- Branch
- Approval:
- UL 489
- Approval:
- CSA 22.2
- Volts:
- 120/240 VAC at 50/60 Hz
- Amps:
- 32 A
- Poles:
- 2
- Interrupting Rating:
- 10 kA
- Application:
- Lighting Control
- Application:
- Energy Management
- Installation:
- Bolt-On
- Short Description:
- 120/240 VAC 50/60 Hz, 20 A, 10 kA, 2-Pole, Bolt-On
- Catalog:
- Eaton_03771_V4T1_30_V4T1_31_CAT.pdf
- Current Rating:
- 20 A
- Number of Poles:
- 2
- Voltage Rating:
- 120/240 VAC
- Mounting:
- Plug-On
- Country of Origin:
- Dominican Republic
MSRP $979.00Surplus $286.97 -
Eaton BD3015 Miniature Circuit Breakers (MCBs) BD 1P 30A/15A 240V 50/60Hz 1Ph
MSRP $100.00Surplus $24.13Eaton BD3015 Miniature Circuit Breakers (MCBs) BD 1P 30A/15A 240V 50/60Hz 1Ph​ ARCA SKU: C15-1124 Brand: Eaton MPN: BD3015 UPC: 786676369404 Shipping Weight: 0.35 Shipping Height: 1.00 In...- SKU:
- C15-1124
- Series:
- BD
- Type:
- Branch
- Type:
- Thermal Magnetic
- Approval:
- UL 489
- Volts:
- 120 VAC
- Amps:
- 32 A
- Used On:
- BR Series Load Center
- Poles:
- 1
- Mounting:
- Plug-On
- Interrupting Rating:
- 10 kA
- Wire Size:
- 14 to 4 AWG (Copper/Aluminum)
- Short Description:
- 120 VAC, 30/15 A, 10 kA, 1-Pole, Plug-On Mount, BD Breaker, Duplex, Thermal Magnetic
- Catalog:
- Eaton_36620_V1T1_87_CAT.pdf
- Number of Poles:
- 1
- Current Rating:
- 30 A (Outside Pole), 15 A (Inside Pole)
- Voltage Rating:
- 120 VAC
- Country of Origin:
- Dominican Republic
MSRP $100.00Surplus $24.13
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