
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 20RES16T Rating Plug Fixed 1600A R Frame EA
MSRP $348.00Surplus $156.60Eaton 20RES16T Rating Plug Fixed 1600A R Frame EA​ ARCA SKU: A13-1067 Brand: Eaton MPN: 20RES16T UPC: 786679581407 Shipping Weight: 0.10 lbs. Shipping Height: 1.50 In. Shipping...- SKU:
- A13-1067
- Frame Type:
- RG
- Frame Type:
- J-K
- Maximum Breaker Current Rating:
- 2000 Amp
- Plug Current Rating:
- 1600 Amp
- TS PIK:
- 107004988
MSRP $348.00Surplus $156.60 -
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Eaton 2A10850G02 Circuit Breaker Accessories Trip Unit Cover Kit
MSRP $325.00Surplus $95.72Eaton 2A10850G02 Circuit Breaker Accessories Trip Unit Cover Kit​ ARCA SKU: C15-4284 Brand: Eaton MPN: 2A10850G02 UPC: 786685493114 Shipping Weight: 0.50 lbs. Shipping Height: 4.00 In...- SKU:
- C15-4284
- Type:
- Trip Unit Cover Kit
MSRP $325.00Surplus $95.72 -
Eaton 371D266G02 Circuit Breaker Accessories
MSRP $1,042.38Surplus $356.41SKU: C15-11575 Brand: Eaton MPN: 371D266G02 UPC: 78667954145 Shipping Weight: 2.25 lbs. Shipping Height: 5.00 In. Shipping Length: 8.00 In. Shipping Width: 6.00 In...- SKU:
- C15-11575
- TS PIK:
- 21512645
- Country of Origin:
- United States
- Short Description:
- DE-ION SWITCH 30A STD HANDLE (NON CSA)
MSRP $1,042.38Surplus $356.41 -
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Eaton 4218B80G12 Circuit Breaker Accessories 3P/4P EA
MSRP $5.00Surplus $3.56Eaton 4218B80G12 Circuit Breaker Accessories 3P/4P EA​ ARCA SKU: C15-4424 Brand: Eaton MPN: 4218B80G12 UPC: Shipping Weight: 0.05 lbs. Shipping Height: 1.00 In. Shipping...- SKU:
- C15-4424
- UOM:
- EA
- Type:
- Installation Group
- Box Quantity:
- 1
MSRP $5.00Surplus $3.56 -
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Eaton 4KES350T Rating Plug Fixed 350A K Frame EA
MSRP $380.00Surplus $130.34Eaton 4KES350T Rating Plug Fixed 350A K Frame EA​ ARCA SKU: A13-1023 Brand: Eaton MPN: 4KES350T UPC: 786679269206 Shipping Weight: 0.05 lbs. Shipping Height: 2.00 In. Shipping...- SKU:
- A13-1023
- TS PIK:
- 107000556
- Short Description:
- EATON MOLDED CASE CIRCUIT BREAKER ACCESSORY RATING PLUG, DIGITRIP 310, 350 A, FR
MSRP $380.00Surplus $130.34 -
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Eaton 65A7023G01 Circuit Breaker Accessories Racking Handle Kit
MSRP $700.00Surplus $72.08Eaton 65A7023G01 Circuit Breaker Accessories Racking Handle Kit​ ARCA SKU: C15-4119 Brand: Eaton MPN: 65A7023G01 UPC: 786685632278 Shipping Weight: 1.15 Shipping Height: 4.00 In. Shipping...- SKU:
- C15-4119
- Type:
- Racking Handle Kit
MSRP $700.00Surplus $72.08 -
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Eaton 68C6048G10 Circuit Breaker Accessories Vari-Depth Rotary Handle
MSRP $560.00Surplus $123.23Eaton 68C6048G10 Circuit Breaker Accessories Vari-Depth Rotary Handle​ ARCA SKU: C15-3508 Brand: Eaton MPN: 68C6048G10 UPC: 786685292519 Shipping Weight: 0.75 Shipping Height: 3.00 In...- SKU:
- C15-3508
- Short Description:
- VARI-DEPTH HANDLE S4 RED 1/3R/12 (NG/RG-LD/MDL/ND)
MSRP $560.00Surplus $123.23 -
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Eaton 9253C03H11 Circuit Breaker Accessories 2500A EA
MSRP $274.80Surplus $144.37Eaton 9253C03H11 Circuit Breaker Accessories 2500A EA​ ARCA SKU: C15-6814 Brand: Eaton MPN: 9253C03H11 UPC: 78211466852 Shipping Weight: 4.15 lbs. Shipping Height: 9.00 In. Shipping...- SKU:
- C15-6814
- TS PIK:
- 119836580
MSRP $274.80Surplus $144.37 -
Eaton ALM1M1BJPK Circuit Breaker Accessories EA
MSRP $368.18Surplus $161.02Eaton ALM1M1BJPK Circuit Breaker Accessories EA​ ARCA SKU: C15-9083 Brand: Eaton MPN: ALM1M1BJPK UPC: 00782114858387 Shipping Weight: 0.30 lbs. Shipping Height: 3.00 In. Shipping...- SKU:
- C15-9083
- Country of Origin:
- Dominican Republic
- Short Description:
- EATON MOLDED CASE CIRCUIT BREAKER ACCESSORY ALARM SWITCH, MOLDED CASE CIRCUIT BR
MSRP $368.18Surplus $161.02 -
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Eaton B2500RDM Circuit Breaker Accessories Line and Load Terminals 2500A R Frame
MSRP $581.00Surplus $247.25SKU: C15-3244 Brand: Eaton MPN: B2500RDM UPC: 786679565100 Shipping Weight: 4.50 lbs. Shipping Height: 3.00 In. Shipping Length: 12.00 In. Shipping Width: 3.00 In...- SKU:
- C15-3244
- Amps:
- 2500 A
- Frame:
- R
- Short Description:
- EATON MOLDED CASE CIRCUIT BREAKER ACCESSORY LINE AND LOAD TERMINAL, LINE AND LOA
MSRP $581.00Surplus $247.25 -
Eaton BAB1045 Miniature Circuit Breakers (MCBs) BA 1P 45A 120/240V 50/60Hz 1Ph
MSRP $62.50Surplus $22.66Eaton BAB1045 Miniature Circuit Breakers (MCBs) BA 1P 45A 120/240V 50/60Hz 1Ph​ ARCA SKU: C15-1027 Brand: Eaton MPN: BAB1045 UPC: 786679152393 Shipping Weight: 0.35 lbs. Shipping...- SKU:
- C15-1027
- Terminal Type:
- Steel Box Lug Standard Load
- Number of Poles:
- 1
- Wire Size:
- 14 to 4 AWG Copper/Aluminum (Standard Load)
- Interrupting Rating:
- 10000 A at 120/240 VAC, 5000 A at 24 to 48 VDC
- Catalog:
- Eaton_03771_V4T1_3-V4T1_46_CAT.pdf
- Current Rating:
- 45 A
- Size:
- 1.2 Inch Width x 3.6 Inch Depth x 4.8 Inch Height
- Mounting:
- Bolt-On
- Type:
- Thermal Magnetic, Non-Interchangeable Trip, Miniature
- Short Description:
- EATON BAB THERMAL MAGNETIC CIRCUIT BREAKER,QUICKLAG INDUSTRIAL THERMAL-MAGNETIC
- Voltage Rating:
- 120/240 VAC, 24/48/62.5 VDC
- Country of Origin:
- Dominican Republic
MSRP $62.50Surplus $22.66 -
Eaton BAB2010HT Miniature Circuit Breakers (MCBs) EA
MSRP $645.00Surplus $126.31SKU: C15-9703 Brand: Eaton MPN: BAB2010HT UPC: 78667936926 Shipping Weight: 0.60 lbs. Shipping Height: 2.00 In. Shipping Length: 4.00 In. Shipping Width: 4.00 In...- SKU:
- C15-9703
- TS PIK:
- 107002408
- Catalog:
- Eaton_03771_V4T1_3-V4T1_46_CAT.pdf
- Type:
- Thermal Magnetic, Non-Interchangeable Trip, Miniature
- Terminal Type:
- Ring/Spade Lug
- Voltage Rating:
- 240 VAC, 24/48/80 VDC
- Mounting:
- Bolt-On
- Current Rating:
- 10 A
- Number of Poles:
- 2
- Wire Size:
- 14 to 4 AWG Copper/Aluminum (Standard Load)
- 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 to 48/62.5/80 VDC
MSRP $645.00Surplus $126.31 -
Eaton BAB2060 Miniature Circuit Breakers (MCBs) 2P 60A 240V EA
MSRP $151.20Surplus $41.56Eaton BAB2060 Miniature Circuit Breakers (MCBs) 2P 60A 240V EA​ ARCA SKU: C15-1062 Brand: Eaton MPN: BAB2060 UPC: 786679302606 Shipping Weight: 0.65 lbs. Shipping Height: 2.00 In...- SKU:
- C15-1062
- Series:
- BAB
- Type:
- Thermal Magnetic
- Approval:
- UL 489
- Approval:
- CSA
- Volts:
- 120/240 VAC
- Amps:
- 32 A
- Poles:
- 2
- Mounting:
- Bolt-On
- Interrupting Rating:
- 10 kA
- Interrupting Rating:
- 5 kA at 24 to 48/62.5/80 Volt DC
- Terminal Type:
- Extended Tang Line
- Terminal Type:
- Box Lug Load
- Wire Size:
- 8 to 1/0 AWG (Copper/Aluminum)
- Short Description:
- 120/240 VAC, 60 A, 10 kA, 2-Pole, Extended Tang Line/Box Lug Load Terminal, Bolt-On Mount, Thermal Magnetic, Miniature
- Catalog:
- Eaton_03771_V4T1_11_V4T1_12_V4T1_46_CAT.pdf
- TS PIK:
- 21508693
- Current Rating:
- 60 A
- Voltage Rating:
- 120/240 VAC
- Number of Poles:
- 2
- Country of Origin:
- Dominican Republic
MSRP $151.20Surplus $41.56 -
Eaton BQ2502120 Miniature Circuit Breakers (MCBs) BQ 2P 20A/50A 120V 50/60Hz 3Ph EA
MSRP $236.97Surplus $73.15Eaton BQ2502120 Miniature Circuit Breakers (MCBs) BQ 2P 20A/50A 120V 50/60Hz 3Ph EA​ ARCA SKU: C15-3819 Brand: Eaton MPN: BQ2502120 UPC: 786676371759 Shipping Weight: 0.75 lbs. Shipping...- SKU:
- C15-3819
- Series:
- BQ
- Type:
- Thermal Magnetic
- Type:
- Independent Trip
- Type:
- Quadplex
- Approval:
- UL 489
- Volts:
- 120/240 VAC
- Amps:
- 32 A
- Used On:
- BR Series Loadcenter
- Poles:
- 2
- Mounting:
- Plug-On
- Interrupting Rating:
- 10 kA
- Wire Size:
- 14 to 4 AWG (Aluminum/Copper)
- Short Description:
- 120/240 VAC, 20/50 A, 10 kA, 1-Pole Outer Left/1-Pole Outer Right/2-Pole Center, Plug-On Mount, BQ Breaker, Independent Trip, Quadplex, Thermal Magnetic
- Catalog:
- Eaton_36620_V1T1_83_V1T1_87_CAT.pdf
- TS PIK:
- 21493975
- Number of Poles:
- 2
- Current Rating:
- 20/50 A
- Voltage Rating:
- 120/240 VAC
- Country of Origin:
- Dominican Republic
MSRP $236.97Surplus $73.15 -
Eaton BQC220230 Miniature Circuit Breakers (MCBs) 2P 20A/30A 120V EA
MSRP $268.55Surplus $31.60Eaton BQC220230 Miniature Circuit Breakers (MCBs) 2P 20A/30A 120V EA​ ARCA SKU: C15-1165 Brand: Eaton MPN: BQC220230 UPC: 78667637185 Shipping Weight: 0.75 lbs. Shipping Height: 4.00...- SKU:
- C15-1165
- Series:
- Type BQC
- Type:
- Common Trip
- Type:
- Quadplex
- Approval:
- UL 489
- Approval:
- Federal Specification W-C375
- Volts:
- 120/240 V
- Amps:
- 32 A
- Used On:
- Type BR Loadcenter
- Poles:
- 4
- Mounting:
- Plug-On
- Interrupting Rating:
- 10 kA
- Wire Size:
- 14 to 4 AWG (Aluminum/Copper)
- Short Description:
- 120/240 VAC, 20/30 A, 10 kA, 2-Pole Outer/2-Pole Center, Plug-On Mount, BQC Breaker, Common Trip, Quadplex, Thermal Magnetic
- Catalog:
- Eaton_36620_V1T1_89_CAT.pdf
- Number of Poles:
- 4
- Current Rating:
- 20/30 A
- Voltage Rating:
- 120/240 VAC
- TS PIK:
- 21493985
- Country of Origin:
- Dominican Republic
MSRP $268.55Surplus $31.60 -
Eaton BR1515 Miniature Circuit Breakers (MCBs)
MSRP $125.45Surplus $23.05Eaton BR1515 Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-1206 Brand: Eaton MPN: BR1515 UPC: 786676370059 Shipping Weight: 0.40 lbs. Shipping Height: 1.00 In. Shipping...- SKU:
- C15-1206
- Series:
- BR
- Type:
- Thermal Magnetic
- Type:
- Duplex
- Approval:
- UL 489
- Size:
- 2.9 Inch Width x 1.9 Inch Depth x 2.5 Inch Height
- Volts:
- 120 VAC
- Amps:
- 32 A
- Used On:
- BR Load Center
- Poles:
- 1
- Mounting:
- Plug-On
- Interrupting Rating:
- 10 kA
- Wire Size:
- 14 to 4 AWG Copper/Aluminum at 65 Deg C
- Short Description:
- 120 VAC, 15 A, 10 kA, 1-Pole, Plug-On Mount, Duplex, Thermal Magnetic
- Catalog:
- Eaton_36620_V1T1_88_CAT.pdf
- TS PIK:
- 21493950
- Number of Poles:
- 1
- Voltage Rating:
- 120 VAC
- Current Rating:
- 15 A
- Country of Origin:
- Dominican Republic
MSRP $125.45Surplus $23.05 -
Eaton BR2020 Miniature Circuit Breakers (MCBs)
MSRP $125.45Surplus $19.76Eaton BR2020 Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-1211 Brand: Eaton MPN: BR2020 UPC: 78667637025 Shipping Weight: 0.35 lbs. Shipping Height: 3.00 In. Shipping...- SKU:
- C15-1211
- Type:
- Thermal Magnetic
- Type:
- Common/Independent Trip
- Approval:
- UL 489
- Size:
- 2.9 Inch Width x 1 Inch Depth x 2.5 Inch Height
- Volts:
- 120 VAC
- Amps:
- 32 A
- Used On:
- BR Load Center
- Poles:
- 2
- Mounting:
- Plug-On
- Interrupting Rating:
- 10 kA
- Wire Size:
- 14 to 4 AWG Copper/Aluminum at 65 Deg C
- Short Description:
- 120 VAC, 20 A, 10 kA, 1-Pole, Plug-On Mount, Common Trip, Duplex, Thermal Magnetic
- Catalog:
- Eaton_36620_V1T1_88_CAT.pdf
- TS PIK:
- 21493953
- Current Rating:
- 20 A
- Number of Poles:
- 2
- Voltage Rating:
- 120 VAC
- Series:
- BR
- Country of Origin:
- Dominican Republic
MSRP $125.45Surplus $19.76 -
Eaton BR2125 Miniature Circuit Breakers (MCBs) BR 2P 125A 240V 50/60Hz 1Ph EA
MSRP $515.43Surplus $91.24Eaton BR2125 Miniature Circuit Breakers (MCBs) BR 2P 125A 240V 50/60Hz 1Ph EA​ ARCA SKU: C15-1219 Brand: Eaton MPN: BR2125 UPC: 786676367059 Shipping Weight: 0.75 lbs. Shipping...- SKU:
- C15-1219
- Series:
- BR
- Type:
- Thermal Magnetic
- Type:
- Common Trip
- Approval:
- UL 489
- Volts:
- 120/240 VAC
- Amps:
- 32 A
- Used On:
- BR Series Load Center
- Poles:
- 2
- Mounting:
- Plug-On
- Interrupting Rating:
- 10 kA
- Wire Size:
- 4 to 2/0 AWG (Copper/Aluminum)
- Short Description:
- 120/240 VAC, 125 A, 10 kA, 2-Pole, Plug-On Mount, Common Trip, Duplex, Thermal Magnetic
- Catalog:
- Eaton_36620_V1T1_56_V1T1_84_CAT.pdf
- TS PIK:
- 21493879
- Number of Poles:
- 2
- Current Rating:
- 125 A
- Voltage Rating:
- 120/240 VAC
- Country of Origin:
- Dominican Republic
MSRP $515.43Surplus $91.24 -
Eaton BR340 Miniature Circuit Breakers (MCBs) 3P 40A 240V EA
MSRP $337.57Surplus $97.09Eaton BR340 Miniature Circuit Breakers (MCBs) 3P 40A 240V EA​ ARCA SKU: C15-1259 Brand: Eaton MPN: BR340 UPC: 786676367851 Shipping Weight: 0.95 lbs. Shipping Height: 4.00 In...- SKU:
- C15-1259
- Series:
- BR
- Type:
- Common Trip
- Type:
- Quadplex
- Volts:
- 240 VAC
- Amps:
- 32 A
- Used On:
- BR Series Load Center
- Poles:
- 3
- Mounting:
- Plug-On
- Interrupting Rating:
- 10 kA
- Wire Size:
- 14 to 4 AWG (Copper/Aluminum)
- Short Description:
- 240 VAC, 40 A, 10 kA, 3-Pole, Plug-On Mount, Common Trip
- Catalog:
- Eaton_36620_V1T1_85_CAT.pdf
- TS PIK:
- 21493897
- Number of Poles:
- 3
- Current Rating:
- 40 A
- Voltage Rating:
- 240 VAC
- Country of Origin:
- Dominican Republic
MSRP $337.57Surplus $97.09 -
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Eaton BRD2302115 Miniature Circuit Breakers (MCBs) BRD 2P 15A/30A 120V 50/60Hz 3Ph
MSRP $132.29Surplus $57.74Eaton BRD2302115 Miniature Circuit Breakers (MCBs) BRD 2P 15A/30A 120V 50/60Hz 3Ph​ ARCA SKU: C15-4291 Brand: Eaton MPN: BRD2302115 UPC: 30622588061078 Shipping Weight: 0.75 Shipping...- SKU:
- C15-4291
- Series:
- BRD
- Volts:
- 120 V
- Amps:
- 15 A/30 A
- Poles:
- 2
- Frequency Rating:
- 50/60 Hz
MSRP $132.29Surplus $57.74
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.