
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.
-
Din Rail Mounted Circuit Breakers
-
Main Breakers
-
Miniature Circuit Breakers (MCBs)
-
Molded Case Breakers (MCCBs)
-
Motor Circuit Protector (MCPs)
-
Lug Terminal Kits
-
Auxiliary, Shunt, Trip Units and UVRs
-
Circuit Breaker Accessories
- Product
- Qty in Cart
- Price
-
Eaton BR2030 Miniature Circuit Breakers (MCBs) 2P 20/30A EA
MSRP $148.00Surplus $38.30Eaton BR2030 Miniature Circuit Breakers (MCBs) 2P 20/30A EA​ ARCA SKU: C15-1212 Brand: Eaton MPN: BR2030 UPC: 78667600660 Shipping Weight: 0.40 lbs. Shipping Height: 4.00 In...- SKU:
- C15-1212
- Series:
- BR
- Type:
- Thermal Magnetic
- Type:
- Duplex
- Approval:
- UL 489
- Volts:
- 120 VAC
- Amps:
- 32 A
- Used On:
- BR Series Loadcenter
- Poles:
- 1
- Mounting:
- Plug-On
- Interrupting Rating:
- 10 kA
- Wire Size:
- 14 to 4 AWG (Aluminum/Copper)
- Short Description:
- 120 VAC, 20/30 A, 10 kA, 1-Pole, Plug-On Mount, Duplex, Thermal Magnetic
- TS PIK:
- 116434701
- Number of Poles:
- 1
- Voltage Rating:
- 120 VAC
- Current Rating:
- 20/30 A
- Country of Origin:
- Dominican Republic
MSRP $148.00Surplus $38.30 -
Contact Us For Quote
Siemens Q3020 Miniature Circuit Breakers (MCBs) 20/30A 120V
MSRP $98.00Surplus $17.56Siemens Q3020 Miniature Circuit Breakers (MCBs) 20/30A 120V​ ARCA SKU: C15-6193 Brand: Siemens MPN: Q3020 UPC: 78364317079 Shipping Weight: 0.40 lbs. Shipping Height: 3.00 In...- SKU:
- C15-6193
- TS PIK:
- 21366194
- Installation/Operator:
- SiemensAG_00215_INST.pdf
- Size:
- 1 Inch W x 2.06 Inch D x 3.12 Inch H
- Wire Size:
- 14 to 6 AWG (Copper/Aluminum)
- Catalog:
- SiemensAG_00562_1_42_1_46_1_47_CAT.pdf
- Current Rating:
- 20/30 A
- Interrupting Rating:
- 10 kA
- Type:
- Molded Case, Thermal and Fixed Magnetic Trip, Duplex
- Data Sheet:
- SiemensAG_07049_1_DATA.pdf
- Terminal Type:
- Load Lug
- Series:
- QT
- Voltage Rating:
- 120 VAC
- Short Description:
- 120 VAC, 30/20 A, 10 kA, (2) 1-Pole, 14 to 6 AWG Copper/Aluminum, Load Lug Terminal, Plug-In Mount, QT Frame, Duplex, Thermal Magnetic Trip Unit, Miniature Circuit Breaker for Load Center
- Used On:
- Loadcenter
- Mounting:
- Plug-On
- Number of Poles:
- 1
- Country of Origin:
- Mexico
- Approval:
- UL 489, CSA C22.2
MSRP $98.00Surplus $17.56 -
Eaton BD2030 Miniature Circuit Breakers (MCBs) BD 1P 20A/30A 240V 50/60Hz 1Ph EA
MSRP $99.00Surplus $16.15Eaton BD2030 Miniature Circuit Breakers (MCBs) BD 1P 20A/30A 240V 50/60Hz 1Ph EA​ ARCA SKU: C15-1123 Brand: Eaton MPN: BD2030 UPC: 786676369305 Shipping Weight: 0.40 lbs. Shipping...- SKU:
- C15-1123
- Series:
- BD
- 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, 20/30 A, 10 kA, 1-Pole, Plug-On Mount, BD Breaker, Duplex, Thermal Magnetic
- Catalog:
- Eaton_36620_V1T1_87_CAT.pdf
- Number of Poles:
- 1
- Voltage Rating:
- 120 VAC
- Current Rating:
- 20/30 A
- TS PIK:
- 21493935
- Country of Origin:
- Dominican Republic
MSRP $99.00Surplus $16.15 -
Contact Us For Quote
Square D HOMT3020 Molded Case Breakers (MCCBs)
MSRP $56.88Surplus $31.92SKU: C15-10786 Brand: Square D MPN: HOMT3020 UPC: 78590170636 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-10786
- TS PIK:
- 115543081
- Number of Poles:
- 1
- Interrupting Rating:
- 10 kA
- Terminal Type:
- Screw ClA
- Current Rating:
- 20/30 A
- Short Description:
- 120/240 VAC, 20/30 A, 10 kA Interrupt, 1-Pole, 14 to 8 AWG Aluminum/Copper, Plug-On Mount, Box Lug Terminal, Tandem, Miniature Circuit Breaker
- Voltage Rating:
- 120/240 VAC at 50/60 Hz (UL/CSA)
- Catalog:
- SchneiderElectric_00257_1_20_7_23_CAT.pdf
- Size:
- 1 Inch W x 2.98 Inch D x 3.13 Inch H
- Mounting:
- Plug-On
- Installation/Operator:
- SchneiderElectric-SquareD_00099_INST.pdf
- Data Sheet:
- SchneiderElectric-SquareD_13518_1_2_DATA.pdf
- Approval:
- UL, CSA
- Used On:
- Homeline Loadcenter
- Type:
- Miniature, Thermal Magnetic
- Wire Size:
- 14 to 8 AWG (Aluminum/Copper)
MSRP $56.88Surplus $31.92 -
Contact Us For Quote
Square D QO2030 Molded Case Breakers (MCCBs)
MSRP $119.00Surplus $32.13SKU: C15-17757 Brand: Square D MPN: QO2030 UPC: 78590100101 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-17757
- Series:
- QO
- Voltage Rating:
- 120/240 VAC 50/60 Hertz
- Number of Poles:
- 1
- Approval:
- UL, CSA
- Short Description:
- 120/240 VAC 50/60 Hz, 20/30 A, 10 kA Interrupt, 1-Pole, 14 to 8 AWG Copper/Aluminum, Plug-On Mount, Box Lug Terminal, Tandem, Miniature Circuit Breaker
- Current Rating:
- 20/30 A
- Interrupting Rating:
- 10 kA
- Data Sheet:
- SchneiderElectric-SquareD_53466_1_2_DATA.pdf
- Wire Size:
- 14 to 8 AWG (Copper/Aluminum)
- Mounting:
- Plug-On
- Used On:
- QO Load Center
- Terminal Type:
- Box Lug
- Installation/Operator:
- SchneiderElectric-SquareD_01265_INST.pdf
- Type:
- Tandem, Miniature
- Size:
- 0.75 Inch Width x 2.91 Inch Depth x 3.23 Inch Height
- Catalog:
- SchneiderElectric-SquareD_32357_1_2_1_4_CAT.pdf
MSRP $119.00Surplus $32.13 -
Square D QO3020 Miniature Circuit Breakers (MCBs)
MSRP $118.00Surplus $500.00SKU: C15-10900 Brand: Square D MPN: QO3020 UPC: 78590111951 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-10900
- TS PIK:
- 116558429
- Type:
- Tandem, Miniature
- Short Description:
- 120/240 VAC 50/60 Hz, 20/30 A, 10 kA Interrupt, 1-Pole, 14 to 8 AWG Copper/Aluminum, Plug-On Mount, Box Lug Terminal, Tandem, Miniature Circuit Breaker
- Wire Size:
- 14 to 8 AWG (Copper/Aluminum)
- Current Rating:
- 20/30 A
- Interrupting Rating:
- 10 kA
- Installation/Operator:
- SchneiderElectric-SquareD_01265_INST.pdf
- Number of Poles:
- 1
- Catalog:
- SchneiderElectric-SquareD_32357_1_2_1_4_CAT.pdf
- Terminal Type:
- Box Lug
- Data Sheet:
- SchneiderElectric-SquareD_53554_1_2_DATA.pdf
- Series:
- QO
- Size:
- 0.75 Inch Width x 2.91 Inch Depth x 3.23 Inch Height
- Approval:
- UL, CSA
- Voltage Rating:
- 120/240 VAC 50/60 Hertz
- Mounting:
- Plug-On
- Used On:
- QO Load Center
- Country of Origin:
- United States
MSRP $118.00Surplus $500.00
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.