
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 66A6010G96 Circuit Breaker Accessories EA
MSRP $65.25Surplus $36.18Eaton 66A6010G96 Circuit Breaker Accessories EA​ ARCA SKU: C15-3455 Brand: Eaton MPN: 66A6010G96 UPC: 786685362403 Shipping Weight: 0.80 lbs. Shipping Height: 5.00 In. Shipping...- SKU:
- C15-3455
- Series:
- C
- Approval:
- UL
- Accessory Type:
- Operating Mechanism
- Switch Type:
- Molded Case
- Breaker Type:
- EG/JG/LG/GD/FD Frame
- Handle Type:
- Rotary
- Handle Included:
- Yes
- Handle to Device Connection:
- Variable Depth Shaft
- Shaft Length:
- 12
- Short Description:
- 12" Shaft, EG/JG/LG/GD/FD-Frame, Molded Case Switch
- Catalog:
- Eaton_46579_V4T2_531_CAT.pdf
- Installation/Operator:
- Eaton_00065_INST.pdf
- Country of Origin:
- United States
MSRP $65.25Surplus $36.18 -
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Eaton 6D32435G14 Trip Units 2000A 600V 50/60Hz
MSRP $18,800.00Surplus $3,746.09SKU: A13-1294 Brand: Eaton MPN: 6D32435G14 UPC: Shipping Weight: 3.50 lbs. Shipping Height: 8.00 In. Shipping Length: 14.00 In. Shipping Width: 8.00 In. Product...- SKU:
- A13-1294
- Volts:
- 600 V
- Amps:
- 2000 A
MSRP $18,800.00Surplus $3,746.09 -
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Eaton 8MES800T Rating Plug 800A EA
MSRP $320.00Surplus $272.42Eaton 8MES800T Rating Plug 800A EA​ ARCA SKU: A13-1081 Brand: Eaton MPN: 8MES800T UPC: 786679085325 Shipping Weight: 0.05 lbs. Shipping Height: 2.00 In. Shipping...- SKU:
- A13-1081
- Adjustable Instantaneous Trip Range:
- 1600 to 6400 A
- Approval:
- UL
- Frame:
- M
- Type:
- RMS 310 Digitrip
- Type:
- Fixed
- Short Description:
- 800 A, J/K Frame, Fixed, Electronic RMS 310 Digitrip, Molded Case Circuit Breaker Rating Plug
- Series:
- C
- Specification/Technical:
- Eaton_05036_1_2_SPEC.pdf
- TS PIK:
- 115574761
- Maximum Breaker Current Rating:
- 800 A
- Catalog:
- Eaton_03777_57_CAT.pdf
- Frame Type:
- M
- Plug Current Rating:
- 800 A
- Country of Origin:
- United States
MSRP $320.00Surplus $272.42 -
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Eaton A12NES1200T1 Circuit Breaker Accessories EA
MSRP $767.12Surplus $252.30Eaton A12NES1200T1 Circuit Breaker Accessories EA​ ARCA SKU: C15-9473 Brand: Eaton MPN: A12NES1200T1 UPC: 78667926092 Shipping Weight: 0.05 lbs. Shipping Height: 2.00 In. Shipping...- SKU:
- C15-9473
- TS PIK:
- 107000351
MSRP $767.12Surplus $252.30 -
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Eaton A1L3LTK Circuit Breaker Accessories Alarm Switch J-K Frame
MSRP $377.00Surplus $271.25SKU: C15-3098 Brand: Eaton MPN: A1L3LTK UPC: 621037165663 Shipping Weight: 0.35 lbs. Shipping Height: 2.00 In. Shipping Length: 5.00 In. Shipping Width: 3.00 In...- SKU:
- C15-3098
- Type:
- Alarm Switch
- Used On:
- Molded Case Circuit Breaker
- Short Description:
- 1-Set Contact, Left Pole Mount, Terminal Block, Alarm Switch for HMCP K-Frame Molded Case Circuit Breaker
- Specification/Technical:
- Eaton_05070_1_2_SPEC.pdf
- Catalog:
- Eaton_14666_V4T2_414_CAT.pdf
MSRP $377.00Surplus $271.25 -
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Eaton A4KES400T3 Rating Plug EA
MSRP $412.53Surplus $74.26Eaton A4KES400T3 Rating Plug EA​ ARCA SKU: A13-1525 Brand: Eaton MPN: A4KES400T3 UPC: Shipping Weight: 0.05 lbs. Shipping Height: 2.00 In. Shipping Length: 3.00 In...- SKU:
- A13-1525
- TS PIK:
- 107000540
MSRP $412.53Surplus $74.26 -
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Eaton BA220 Miniature Circuit Breakers (MCBs) BA 2P 20A 240V 50/60Hz 1Ph
MSRP $95.00Surplus $38.80Eaton BA220 Miniature Circuit Breakers (MCBs) BA 2P 20A 240V 50/60Hz 1Ph​ ARCA SKU: C15-4372 Brand: Eaton MPN: BA220 UPC: Shipping Weight: 0.50 Shipping Height: 2.00 In. Shipping...- SKU:
- C15-4372
- Series:
- Quicklag
- Volts:
- 240 V
- Amps:
- 20 A
- Poles:
- 2
- Frequency Rating:
- 50/60 Hz
MSRP $95.00Surplus $38.80 -
Eaton BAB2035 Miniature Circuit Breakers (MCBs) BAB 2P 35A 240V 50/60Hz 1Ph EA
MSRP $155.60Surplus $55.73Eaton BAB2035 Miniature Circuit Breakers (MCBs) BAB 2P 35A 240V 50/60Hz 1Ph EA​ ARCA SKU: C15-1053 Brand: Eaton MPN: BAB2035 UPC: 786679302354 Shipping Weight: 0.60 lbs. Shipping...- SKU:
- C15-1053
- Series:
- BAB
- Type:
- Thermal Magnetic
- Approval:
- UL
- Approval:
- CSA
- Size:
- 3.8 Inch Length x 2.3 Inch Width x 4.8 Inch Height
- Volts:
- 120/240 VAC
- Amps:
- 32 A
- Poles:
- 2
- Mounting:
- Bolt-On
- Interrupting Rating:
- 10 kA
- Terminal Type:
- Extended Tang Line Terminal
- Terminal Type:
- Box Lug Load Terminal
- Wire Size:
- 14 to 4 AWG Load (Copper/Aluminum)
- Short Description:
- 120/240 VAC, 35 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:
- 21508686
- Voltage Rating:
- 120/240 VAC
- Current Rating:
- 35 A
- Number of Poles:
- 2
- Country of Origin:
- Dominican Republic
MSRP $155.60Surplus $55.73 -
Eaton BAB2100S Miniature Circuit Breakers (MCBs) EA
MSRP $767.02Surplus $236.74SKU: C15-5227 Brand: Eaton MPN: BAB2100S UPC: 78667950963 Shipping Weight: 0.95 lbs. Shipping Height: 4.00 In. Shipping Length: 4.00 In. Shipping Width: 3.00 In...- SKU:
- C15-5227
- Approval:
- UL 489
- Approval:
- CSA
- Amps:
- 100 A
- Interrupting Rating:
- 10000 A at 120/240 VAC
- Interrupting Rating:
- 5000 Amp at 24 to 48/62.5/80 Volt DC
- Mounting:
- Bolt-On
- Poles:
- 2
- Size:
- 3.3 Inch Width x 3.8 Inch Depth x 4.9 Inch Height
- Terminal Type:
- Steel Box Lug Standard Load
- Type:
- Thermal Magnetic
- Type:
- Non-Interchangeable Trip
- Type:
- Miniature
- Volts:
- 120/240 VAC
- Volts:
- 24/48/80 VDC
- Gauge:
- 8 to 1/0 AWG Copper/Aluminum (Standard Load)
- Country of Origin:
- Dominican Republic
MSRP $767.02Surplus $236.74 -
Eaton BAB3070H Miniature Circuit Breakers (MCBs) 3P 70A 240V EA
MSRP $572.78Surplus $158.27SKU: C15-1104 Brand: Eaton MPN: BAB3070H UPC: 78667930370 Shipping Weight: 1.15 lbs. Shipping Height: 3.00 In. Shipping Length: 4.00 In. Shipping Width: 4.00 In...- SKU:
- C15-1104
- Series:
- BAB
- Type:
- Thermal Magnetic
- Type:
- Miniature
- Approval:
- UL 489
- Approval:
- CSA
- Size:
- 3.9 Inch Length x 3.2 Inch Width x 4.9 Inch Height
- Volts:
- 240 VAC
- Amps:
- 32 A
- Poles:
- 3
- Mounting:
- Bolt-On
- Interrupting Rating:
- 10 kA at 240 VAC
- Terminal Type:
- Extended Tang Line
- Terminal Type:
- Box Lug Load
- Wire Size:
- 8 to 1/0 AWG (Copper/Aluminum)
- Short Description:
- 240 VAC, 70 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:
- 21508714
- Current Rating:
- 70 A
- Voltage Rating:
- 240 VAC
- Number of Poles:
- 3
- Country of Origin:
- Dominican Republic
MSRP $572.78Surplus $158.27 -
Eaton BAB3090H Miniature Circuit Breakers (MCBs)
MSRP $651.15Surplus $158.27SKU: C15-1108 Brand: Eaton MPN: BAB3090H UPC: 78667930390 Shipping Weight: 1.10 lbs. Shipping Height: 3.00 In. Shipping Length: 4.00 In. Shipping Width: 4.00 In...- SKU:
- C15-1108
- Series:
- BAB
- Type:
- Thermal Magnetic
- Approval:
- UL
- Approval:
- CSA
- Size:
- 3.8 Inch Length x 3.2 Inch Width x 4.7 Inch Height
- Volts:
- 240 VAC
- Amps:
- 32 A
- Poles:
- 3
- Mounting:
- Bolt-On
- Interrupting Rating:
- 10 kA
- Terminal Type:
- Extended Tang Line Terminal
- Terminal Type:
- Box Lug Load Terminal
- Wire Size:
- 8 to 1/0 AWG Load (Copper/Aluminum)
- Short Description:
- 240 VAC, 90 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:
- 21508716
- Voltage Rating:
- 240 VAC
- Current Rating:
- 90 A
- Number of Poles:
- 3
- Country of Origin:
- Dominican Republic
MSRP $651.15Surplus $158.27 -
Eaton BJ2175 Miniature Circuit Breakers (MCBs)
MSRP $684.47Surplus $395.01SKU: C15-6757 Brand: Eaton MPN: BJ2175 UPC: 78667636715 Shipping Weight: 1.95 lbs. Shipping Height: 3.00 In. Shipping Length: 7.00 In. Shipping Width: 4.00 In...- SKU:
- C15-6757
- Country of Origin:
- Dominican Republic
MSRP $684.47Surplus $395.01 -
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Eaton BKD2G150H Molded Case Breakers (MCCBs) EA
MSRP $1,790.54Surplus $535.76SKU: U00-5842 Brand: Eaton MPN: BKD2G150H UPC: 786689395117 Shipping Weight: 10.50 lbs. Shipping Height: 7.00 In. Shipping Length: 11.00 In. Shipping Width: 13.00 In...- SKU:
- U00-5842
- TS PIK:
- 128806129
MSRP $1,790.54Surplus $535.76 -
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Eaton BKFD100B Molded Case Breakers (MCCBs) EA
MSRP $1,777.00Surplus $715.61SKU: C15-9369 Brand: Eaton MPN: BKFD100B UPC: 786687009719 Shipping Weight: 6.00 lbs. Shipping Height: 7.00 In. Shipping Length: 12.00 In. Shipping Width: 10.00 In...- SKU:
- C15-9369
- TS PIK:
- 120824481
- Voltage Rating:
- 480 VAC
- Type:
- Main, Sub Feed
- Current Rating:
- 100 A
- Series:
- Series BKFD
- Short Description:
- 240 VAC 1/3-Phase, 100 A, Bottom Mount, Main/Sub-Feed, FD-Frame Circuit Breaker Kit
MSRP $1,777.00Surplus $715.61 -
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Eaton BKFD100T Molded Case Breakers (MCCBs) FD 3P 100A 480V 50/60Hz 3Ph K Frame EA
MSRP $1,512.44Surplus $408.36SKU: C15-2619 Brand: Eaton MPN: BKFD100T UPC: 78668700965 Shipping Weight: 7.20 lbs. Shipping Height: 7.00 In. Shipping Length: 12.00 In. Shipping Width: 10.00 In...- SKU:
- C15-2619
- Application:
- Distribution
- Amps:
- 100 A
- Installation:
- Top
- Poles:
- 0
- Trip Setting:
- 0
- Type:
- Main
- Type:
- Sub Feed
- Used On:
- PRL1A/PRL2A Panelboard
- Volts:
- 480 VAC
- Short Description:
- 240 VAC 1/3-Phase, 100 A, Top Mount, Main/Sub-Feed, FE-Frame Circuit Breaker Kit
- Series:
- Series BKFD
- Specification/Technical:
- Eaton_40633_1_SPEC.pdf
- TS PIK:
- 120824475
MSRP $1,512.44Surplus $408.36 -
Eaton BQC2202115 Miniature Circuit Breakers (MCBs) BR 2P 15A/20A 240V 50/60Hz 1Ph
MSRP $202.00Surplus $61.32Eaton BQC2202115 Miniature Circuit Breakers (MCBs) BR 2P 15A/20A 240V 50/60Hz 1Ph​ ARCA SKU: C15-4156 Brand: Eaton MPN: BQC2202115 UPC: 786676371971 Shipping Weight: 0.75 Shipping...- SKU:
- C15-4156
- Series:
- BQC
- Type:
- Thermal Magnetic
- Type:
- Common Trip
- Type:
- Quadplex
- Approval:
- UL 489
- Volts:
- 120/240 VAC
- Amps:
- 32 A
- Used On:
- BR Series Loadcenter
- Poles:
- 2
- Interrupting Rating:
- 10 kA
- Wire Size:
- 14 to 4 AWG (Aluminum/Copper)
- Short Description:
- 120/240 VAC, 15/20 A, 10 kA, 1-Pole Outer Left/1-Pole Outer Right/2-Pole Center, Plug-On Mount, BQC Breaker, Common Trip, Quadplex, Thermal Magnetic
- Catalog:
- Eaton_36620_V1T1_89_CAT.pdf
- Number of Poles:
- 2
- Current Rating:
- 15/20 A
- Voltage Rating:
- 120/240 VAC
- Mounting:
- Plug-On
MSRP $202.00Surplus $61.32 -
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Eaton BQC225230 Miniature Circuit Breakers (MCBs) 2P 25A/30A 240V EA
MSRP $273.42Surplus $80.60Eaton BQC225230 Miniature Circuit Breakers (MCBs) 2P 25A/30A 240V EA​ ARCA SKU: C15-3629 Brand: Eaton MPN: BQC225230 UPC: 786676006118 Shipping Weight: 0.80 lbs. Shipping Height: 3...- SKU:
- C15-3629
- Series:
- BQC
- Type:
- Thermal Magnetic
- Type:
- Common Trip
- Type:
- Quadplex
- Approval:
- UL 489
- Volts:
- 120/240 VAC
- Amps:
- 32 A
- Used On:
- BR Series Loadcenter
- Poles:
- 2
- Interrupting Rating:
- 10 kA
- Wire Size:
- 14 to 4 AWG (Aluminum/Copper)
- Short Description:
- 120/240 VAC, 25/30 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
- Country of Origin:
- Dominican Republic
MSRP $273.42Surplus $80.60 -
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Eaton BR230ST Miniature Circuit Breakers (MCBs) BR 2P 30A 240V 50/60Hz 1Ph EA Shunt Trip
MSRP $450.00Surplus $144.45Eaton BR230ST Miniature Circuit Breakers (MCBs) BR 2P 30A 240V 50/60Hz 1Ph EA Shunt Trip​ ARCA SKU: C15-1228 Brand: Eaton MPN: BR230ST UPC: 786676000239 Shipping Weight: 0.90 Shipping...- SKU:
- C15-1228
- Series:
- BR
- 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, 30 A, 10 kA, 2-Pole, Plug-On Mount, Common Trip, Shunt Trip, Duplex, Thermal Magnetic
- Catalog:
- Eaton_36620_V1T1_84_CAT.pdf
- Voltage Rating:
- 120/240 VAC
- Number of Poles:
- 2
- Current Rating:
- 30 A
- Country of Origin:
- Dominican Republic
MSRP $450.00Surplus $144.45 -
Eaton BR290 Miniature Circuit Breakers (MCBs) 2P 90A 120V EA
MSRP $273.14Surplus $67.39Eaton BR290 Miniature Circuit Breakers (MCBs) 2P 90A 120V EA​ ARCA SKU: C15-1248 Brand: Eaton MPN: BR290 UPC: 786676363204 Shipping Weight: 0.65 lbs. Shipping Height: 2.00 In...- SKU:
- C15-1248
- Series:
- BR
- Type:
- Independent Trip
- Type:
- Quadplex
- 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:
- 8 to 1/0 AWG (Copper/Aluminum)
- Short Description:
- 120/240 VAC, 90 A, 10 kA, 2-Pole, Plug-On Mount, Common Trip, Duplex, Thermal Magnetic
- Catalog:
- Eaton_36620_V1T1_84_CAT.pdf
- TS PIK:
- 21493864
- Current Rating:
- 90 A
- Number of Poles:
- 2
- Voltage Rating:
- 120/240 VAC
- Country of Origin:
- Dominican Republic
MSRP $273.14Surplus $67.39 -
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Eaton BR330ST Miniature Circuit Breakers (MCBs) BR 3P 30A 240V 50/60Hz 3Ph EA Shunt Trip
MSRP $722.00Surplus $218.12Eaton BR330ST Miniature Circuit Breakers (MCBs) BR 3P 30A 240V 50/60Hz 3Ph EA Shunt Trip​ ARCA SKU: C15-1257 Brand: Eaton MPN: BR330ST UPC: 786676003384 Shipping Weight: 1.30 Shipping...- SKU:
- C15-1257
- Approval:
- UL 489
- Amps:
- 30 A
- Interrupting Rating:
- 10 kA
- Mounting:
- 1-Inch Plug-On
- Poles:
- 3
- Size:
- 3 Inch Width x 3 Inch Depth x 3 Inch Height
- Terminal Type:
- Thermal Magnetic
- Type:
- Shunt Trip
- Used On:
- BR Load Center
- Volts:
- 240 VAC
- Gauge:
- 14 to 4 AWG Copper/Aluminum at 60/75 Deg C
- Short Description:
- 240 VAC, 30 A, 10 kA Interrupt, 3-Pole, 14 to 4 AWG Copper/Aluminum Terminal, 1" Plug-On Mount, Common Trip, Thermal Magnetic, Type BR, Circuit Breaker with Shunt Trip (28 per Pack)
- Specification/Technical:
- EatonCorp_00331_1-3_SPEC.pdf
- Wire Size:
- 14 to 4 AWG Copper/Aluminum at 60/75 Deg C
- Current Rating:
- 30 A
- Number of Poles:
- 3
- Voltage Rating:
- 240 VAC
MSRP $722.00Surplus $218.12
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.