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
-
Siemens Q13000S01 Miniature Circuit Breakers (MCBs) EA
MSRP $300.00Surplus $122.29SKU: C15-10527 Brand: Siemens MPN: Q13000S01 UPC: 78364307485 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-10527
- TS PIK:
- 115559482
- Mounting:
- Plug-On
- Terminal Type:
- Load Lug
- Voltage Rating:
- 120/240 VAC 50/60 Hertz
- Number of Poles:
- 1
- Wire Size:
- 14 to 6 AWG (Copper/Aluminum)
- Size:
- 1 Inch Width x 3 Inch Depth x 3 Inch Height
- Current Rating:
- 30 A
- Data Sheet:
- SiemensAG_10305_1_2_DATA.pdf
- Catalog:
- SiemensAG_01796_7_6_7_20_7_26_7_27_CAT.pdf
- Installation/Operator:
- SiemensAG_00053_INST.pdf
- Interrupting Rating:
- 10 kA
- Used On:
- Load Center
- Type:
- Low Vage, Circuit Protector, Thermal and Fixed Magnetic
- Country of Origin:
- Mexico
MSRP $300.00Surplus $122.29 -
Siemens Q140 Miniature Circuit Breakers (MCBs)
MSRP $45.50Surplus $5.23Siemens Q140 Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-6186 Brand: Siemens MPN: Q140 UPC: 66286200391 Shipping Weight: 0.25 lbs. Shipping Height: 3.00 In. Shipping...- SKU:
- C15-6186
- TS PIK:
- 21366718
- Current Rating:
- 40 A
- Installation/Operator:
- SiemensAG_00215_INST.pdf
- Data Sheet:
- SiemensAG_06975_1_DATA.pdf
- Catalog:
- SiemensAG_00562_1_41_1_46_1_47_CAT.pdf
- Size:
- 1 Inch Width x 3 Inch Depth x 3 Inch Height
- Number of Poles:
- 1
- Voltage Rating:
- 120 V
- Short Description:
- 120/240 VAC, 40 A, 10 kA, 1-Pole, 8 to 6 AWG Copper/8 to 4 AWG Aluminum, Load Lug Terminal, Plug-In Mount, QP Frame, Thermal Magnetic Trip Unit, Miniature Circuit Breaker for Load Center
- Interrupting Rating:
- 10 kA
- Mounting:
- Plug-On
- Country of Origin:
- Mexico
MSRP $45.50Surplus $5.23 -
Siemens Q150 Miniature Circuit Breakers (MCBs)
MSRP $96.00Surplus $7.98Siemens Q150 Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-4752 Brand: Siemens MPN: Q150 UPC: 66286200392 Shipping Weight: 0.30 lbs. Shipping Height: 3.00 In. Shipping...- SKU:
- C15-4752
- Approval:
- UL 489
- Approval:
- CSA C22.2
- Amps:
- 50 A
- Interrupting Rating:
- 10 kA
- Mounting:
- Plug-On
- Poles:
- 1
- Size:
- 1 Inch W x 3 Inch D x 3-1/8 Inch H
- Terminal Type:
- Load Lug
- Type:
- Miniature
- Type:
- Thermal and Fixed Magnetic Trip
- Used On:
- Loadcenter
- Volts:
- 120 VAC at 50/60 Hz
- Gauge:
- 8 to 6 AWG (Copper)
- Gauge:
- 8 to 4 AWG (Aluminum)
- Short Description:
- 120/240 VAC, 50 A, 10 kA, 1-Pole, 8 to 6 AWG Copper/8 to 4 AWG Aluminum, Load Lug Terminal, Plug-In Mount, QP Frame, Thermal Magnetic Trip Unit, Miniature Circuit Breaker for Load Center
- Series:
- QP
- Data Sheet:
- SiemensAG_06977_1_DATA.pdf
- Installation/Operator:
- SiemensAG_00215_INST.pdf
- TS PIK:
- 126791629
- Number of Poles:
- 1
- Voltage Rating:
- 120 VAC
- Current Rating:
- 50 A
- Wire Size:
- 8 to 6 AWG (Copper), 8 to 4 AWG (Aluminum)
- Catalog:
- SiemensAG_00562_1_41_1_46_1_47_CAT.pdf
MSRP $96.00Surplus $7.98 -
Siemens Q1515 Miniature Circuit Breakers (MCBs) 15/15A 120V EA
MSRP $150.00Surplus $8.85Siemens Q1515 Miniature Circuit Breakers (MCBs) 15/15A 120V EA​ ARCA SKU: C15-3277 Brand: Siemens MPN: Q1515 UPC: 78364314824 Shipping Weight: 0.40 lbs. Shipping Height: 2.00 In...- SKU:
- C15-3277
- Type:
- Thermal and Fixed Magnetic
- Type:
- Duplex
- Type:
- Molded Case
- Approval:
- UL 489
- Size:
- 1 Inch W x 2.06 Inch D x 3.12 Inch H
- Volts:
- 120 VAC at 50/60 Hz
- Amps:
- 32 A
- Used On:
- Loadcenter
- Poles:
- 1
- Mounting:
- Plug-On
- Interrupting Rating:
- 10 kA
- Terminal Type:
- Load Lug
- Wire Size:
- 14 to 6 AWG (Copper/Aluminum)
- Short Description:
- 120 V, 15/15 A, 10 kA, 1-Pole, Plug-In, QT Frame, Duplex
- Data Sheet:
- SiemensAG_01537_1_DATA.pdf
- TS PIK:
- 116079936
- Current Rating:
- 15 A
- Voltage Rating:
- 120 VAC
- Country of Origin:
- Mexico
- Number of Poles:
- 1
- Series:
- QT
MSRP $150.00Surplus $8.85 -
Siemens Q2015NC Miniature Circuit Breakers (MCBs)
MSRP $159.00Surplus $16.61Siemens Q2015NC Miniature Circuit Breakers (MCBs)​ ARCA SKU: E30-8870 Brand: Siemens MPN: Q2015NC UPC: Shipping Weight: 0.40 lbs. Shipping Height: 3.00 In. Shipping...- SKU:
- E30-8870
- Short Description:
- 1/2 IN NC TWIN
- Number of Poles:
- 1
- Country of Origin:
- Mexico
MSRP $159.00Surplus $16.61 -
Siemens Q2020AFCP Miniature Circuit Breakers (MCBs)
MSRP $7,311.00Surplus $2,631.96SKU: C15-11781 Brand: Siemens MPN: Q2020AFCP UPC: 804766906565 Shipping Weight: 0.30 lbs. Shipping Height: 7.00 In. Shipping Length: 7.00 In. Shipping Width: 2.00 In...- SKU:
- C15-11781
MSRP $7,311.00Surplus $2,631.96 -
Siemens Q2020NC Miniature Circuit Breakers (MCBs) Q 2P 20A 240V 50/60Hz 1Ph
MSRP $250.00Surplus $18.72Siemens Q2020NC Miniature Circuit Breakers (MCBs) Q 2P 20A 240V 50/60Hz 1Ph​ ARCA SKU: C15-2775 Brand: Siemens MPN: Q2020NC UPC: 783643156623 Shipping Weight: 0.40 Shipping Height: 1.00 In...- SKU:
- C15-2775
- Approval:
- UL 489
- Approval:
- CSA
- Amps:
- 20 A
- Interrupting Rating:
- 10 kA
- Mounting:
- Plug-On
- Poles:
- 1
- Size:
- 2 Inch Width x 3 Inch Depth x 3 Inch Height
- Terminal Type:
- Duplex
- Used On:
- Load Center
- Volts:
- 120 VAC
- Short Description:
- 120 VAC, 20 A, 10 kA Interrupt, 1-Pole, Plug-In Mount, QT-Frame, Duplex, Circuit Breaker
- Specification/Technical:
- SiemensAG_57258_1_2_SPEC.pdf
- Current Rating:
- 20 A
- Voltage Rating:
- 120 VAC
- Type:
- Duplex
- Installation/Operator:
- SiemensAG_00053_INST.pdf
- Number of Poles:
- 1
- Catalog:
- SiemensAG_01829_1_12_CAT.pdf
- Series:
- Q
- Country of Origin:
- Mexico
MSRP $250.00Surplus $18.72 -
Siemens Q2030 Miniature Circuit Breakers (MCBs) 20/30A 120V
MSRP $98.00Surplus $13.80Siemens Q2030 Miniature Circuit Breakers (MCBs) 20/30A 120V​ ARCA SKU: C15-6188 Brand: Siemens MPN: Q2030 UPC: 78364314827 Shipping Weight: 3.05 lbs. Shipping Height: 4.00 In...- SKU:
- C15-6188
- TS PIK:
- 21366176
- Terminal Type:
- Load Side Lug
- Current Rating:
- 20/30 A
- Type:
- Miniature, Thermal Magnetic, Low Vage, Dual
- Interrupting Rating:
- 10 kA
- Voltage Rating:
- 120 V
- Number of Poles:
- 2
- Catalog:
- SiemensAG_00562_1_42_1_46_1_47_CAT.pdf
- Installation/Operator:
- SiemensAG_00215_INST.pdf
- Short Description:
- 120 VAC, 20/30 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
- Data Sheet:
- SiemensAG_06981_1_DATA.pdf
- Size:
- 2 Inch Width x 3 Inch Depth x 3 Inch Height
- Mounting:
- Plug-On
- Country of Origin:
- Mexico
MSRP $98.00Surplus $13.80 -
Siemens Q2100 Miniature Circuit Breakers (MCBs)
MSRP $297.50Surplus $40.61SKU: C15-11912 Brand: Siemens MPN: Q2100 UPC: 78364314868 Shipping Weight: 0.65 lbs. Shipping Height: 3.00 In. Shipping Length: 3.00 In. Shipping Width: 2.00 In...- SKU:
- C15-11912
- TS PIK:
- 21366655
MSRP $297.50Surplus $40.61 -
Contact Us For Quote
Siemens Q2100 Miniature Circuit Breakers (MCBs) 2P 100A 120/240V
MSRP $908.77Surplus $108.90SKU: C15-8486 Brand: Siemens MPN: Q2100 UPC: 78312661976 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-8486
- TS PIK:
- 21333978
MSRP $908.77Surplus $108.90 -
Contact Us For Quote
Siemens Q210000S01 Shunt Trips
MSRP $540.00Surplus $97.20Siemens Q210000S01 Shunt Trips​ ARCA SKU: A13-1402 Brand: Siemens MPN: Q210000S01 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In...- SKU:
- A13-1402
MSRP $540.00Surplus $97.20 -
Siemens Q2100HH Miniature Circuit Breakers (MCBs)
MSRP $870.00Surplus $92.31SKU: C15-6270 Brand: Siemens MPN: Q2100HH UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- C15-6270
- Catalog:
- SiemensAG_00562_1_41_1_46_1_47_CAT.pdf
- Current Rating:
- 100 A
- Interrupting Rating:
- 65 kA
- Size:
- 2 Inch W x 3 Inch D x 3-1/8 Inch H
- Installation/Operator:
- SiemensAG_00215_INST.pdf
- Used On:
- Loadcenter
- Voltage Rating:
- 120/240 VAC at 50/60 Hz
- Mounting:
- Plug-On
- Terminal Type:
- Load Lug
- Short Description:
- 120/240 VAC, 100 A, 65 kA, 2-Pole, 8 to 2/0 AWG Copper/Aluminum, Load Lug Terminal, Plug-On Mount, HQP Frame, Common Trip, Thermal Magnetic Trip Unit, Miniature Circuit Breaker for Load Center
- Data Sheet:
- SiemensAG_06985_1_DATA.pdf
- Type:
- Thermal and Fixed Magnetic, Common Trip
- Wire Size:
- 8 to 2/0 AWG (Copper/Aluminum)
- Number of Poles:
- 2
MSRP $870.00Surplus $92.31 -
Contact Us For Quote
Siemens Q2100P Miniature Circuit Breakers (MCBs) Q 2P 100A 120V 50/60Hz 1Ph
MSRP $383.00Surplus $60.59Siemens Q2100P Miniature Circuit Breakers (MCBs) Q 2P 100A 120V 50/60Hz 1Ph​ ARCA SKU: C15-2634 Brand: Siemens MPN: Q2100P UPC: 040892179392 Shipping Weight: 0.70 Shipping Height: 3.00 In...- SKU:
- C15-2634
- Type:
- Thermal Magnetic
- Approval:
- UL 489
- Size:
- 2 Inch Width x 3 Inch Length x 3 Inch Height
- Volts:
- 120/240 VAC
- Amps:
- 32 A
- Used On:
- Load Center Mains
- Used On:
- Feeders
- Poles:
- 2
- Mounting:
- Plug-In
- Interrupting Rating:
- 10 kA
- Short Description:
- 3" x 2" x 3", 120/240 VAC, 100 A, 10 kA Interrupt Rating, 2-Pole, Plug-in Mount
- Catalog:
- SiemensAG_00020_99_CAT.pdf
- Data Sheet:
- SiemensAG_00160_1_DATA.pdf
MSRP $383.00Surplus $60.59 -
Siemens Q2125BHH Miniature Circuit Breakers (MCBs)
MSRP $3,021.00Surplus $669.28SKU: C15-7494 Brand: Siemens MPN: Q2125BHH UPC: 78364322901 Shipping Weight: 2.00 lbs. Shipping Height: 4.00 In. Shipping Length: 6.00 In. Shipping Width: 4.00 In...- SKU:
- C15-7494
- TS PIK:
- 115459279
- Number of Poles:
- 2
- Country of Origin:
- Mexico
MSRP $3,021.00Surplus $669.28 -
Siemens Q2125H Miniature Circuit Breakers (MCBs)
MSRP $1,416.00Surplus $215.50SKU: C15-7632 Brand: Siemens MPN: Q2125H UPC: 78364315640 Shipping Weight: 0.70 lbs. Shipping Height: 3.00 In. Shipping Length: 2.00 In. Shipping Width: 3.00 In...- SKU:
- C15-7632
- TS PIK:
- 120632077
- Type:
- Thermal Magnetic
- Voltage Rating:
- 120/240 V
- Mounting:
- Plug-On
- Data Sheet:
- SiemensAG_06991_1_DATA.pdf
- Current Rating:
- 125 A
- Catalog:
- SiemensAG_00562_1_41_1_46_1_47_CAT.pdf
- Size:
- 3 Inch Width x 3 Inch Depth x 2 Inch Height
- Short Description:
- 120/240 VAC, 125 A, 22 kA, 2-Pole, 8 to 2/0 AWG Copper/Aluminum, Load Lug Terminal, Plug-On Mount, QPH Frame, Common Trip, Thermal Magnetic Trip Unit, Miniature Circuit Breaker for Load Center
- Interrupting Rating:
- 22 kA
- Used On:
- Load Centre Main, Feeder
- Number of Poles:
- 2
- Installation/Operator:
- SiemensAG_00215_INST.pdf
- Country of Origin:
- Mexico
- Approval:
- UL 489
MSRP $1,416.00Surplus $215.50 -
Contact Us For Quote
Siemens Q2150B Molded Case Breakers (MCCBs) 2P 120/240V
MSRP $358.98Surplus $94.53Siemens Q2150B Molded Case Breakers (MCCBs) 2P 120/240V​ ARCA SKU: E30-8905 Brand: Siemens MPN: Q2150B UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping...- SKU:
- E30-8905
MSRP $358.98Surplus $94.53 -
Siemens Q21515CT Miniature Circuit Breakers (MCBs)
MSRP $187.00Surplus $51.87Siemens Q21515CT Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-6346 Brand: Siemens MPN: Q21515CT UPC: 78364325757 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping...- SKU:
- C15-6346
- TS PIK:
- 21368281
- Short Description:
- 120/240 VAC, 15 A, 10 kA, (2) 1-Pole/(1) 2-Pole, 14 to 6 AWG Copper/Aluminum, Load Lug Terminal, Plug-In Mount, QT Frame, Triplex, Thermal Magnetic Trip Unit, Miniature Circuit Breaker for Load Center
- Voltage Rating:
- 120/240 VAC at 50/60 Hz
- Current Rating:
- 15 A
- Used On:
- Loadcenter
- Catalog:
- SiemensAG_00562_1_42_1_46_1_47_CAT.pdf
- Mounting:
- Plug-On
- Size:
- 2 Inch W x 2.06 Inch D x 3.12 Inch H
- Interrupting Rating:
- 10 kA
- Wire Size:
- 14 to 6 AWG (Copper/Aluminum)
- Data Sheet:
- SiemensAG_06995_1_DATA.pdf
- Terminal Type:
- Load Lug
- Installation/Operator:
- SiemensAG_00215_INST.pdf
- Number of Poles:
- 2
- Type:
- Molded Case, Thermal and Fixed Magnetic Trip, Triplex, Common Trip
- Country of Origin:
- Mexico
MSRP $187.00Surplus $51.87 -
Contact Us For Quote
Siemens Q21520CT Miniature Circuit Breakers (MCBs) EA
MSRP $201.00Surplus $68.64SKU: C15-10532 Brand: Siemens MPN: Q21520CT UPC: 78364319495 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-10532
- TS PIK:
- 21367176
- Type:
- Molded Case, Thermal and Fixed Magnetic Trip, Triplex, Common Trip
- Current Rating:
- 15 A (Inner Pole), 20 A (Common Trip Pole)
- Size:
- 2 Inch W x 2.06 Inch D x 3.12 Inch H
- Short Description:
- 120/240 VAC, 15/20 A, 10 kA, (2) 1-Pole/(1) 2-Pole, 14 to 6 AWG Copper/Aluminum, Load Lug Terminal, Plug-On Mount, QT Frame, Triplex, Thermal Magnetic Trip Unit, Miniature Circuit Breaker for Load Center
- Terminal Type:
- Load Lug
- Data Sheet:
- SiemensAG_06997_1_DATA.pdf
- Number of Poles:
- 2
- Installation/Operator:
- SiemensAG_00215_INST.pdf
- Mounting:
- Plug-On
- Interrupting Rating:
- 10 kA
- Wire Size:
- 14 to 6 AWG (Copper/Aluminum)
- Used On:
- Loadcenter
- Catalog:
- SiemensAG_00562_1_42_1_46_1_47_CAT.pdf
- Voltage Rating:
- 120/240 VAC at 50/60 Hz
- Country of Origin:
- Mexico
MSRP $201.00Surplus $68.64 -
Contact Us For Quote
Siemens Q21520CTNC Miniature Circuit Breakers (MCBs) QR2 4P 15/20A 120V 50/60Hz
MSRP $131.04Surplus $58.52Siemens Q21520CTNC Miniature Circuit Breakers (MCBs) QR2 4P 15/20A 120V 50/60Hz​ ARCA SKU: C15-1434 Brand: Siemens MPN: Q21520CTNC UPC: 783643274778 Shipping Weight: 0.75 Shipping...- SKU:
- C15-1434
- Approval:
- UL 489
- Approval:
- CSA C22.2
- Amps:
- 15 A (Inner Pole)
- Amps:
- 20 A (Common Trip Pole)
- Interrupting Rating:
- 10 kA
- Mounting:
- Plug-On
- Poles:
- 2
- Size:
- 2 Inch W x 2.06 Inch D x 3.12 Inch H
- Terminal Type:
- Load Lug
- Type:
- Molded Case
- Type:
- Thermal and Fixed Magnetic Trip
- Type:
- Triplex
- Type:
- Common Trip
- Used On:
- Loadcenter
- Volts:
- 120/240 VAC at 50/60 Hz
- Gauge:
- 14 to 6 AWG (Copper/Aluminum)
- Short Description:
- 120/240 VAC, 15/20 A, 10 kA, (2) 1-Pole/(1) 2-Pole, 14 to 6 AWG Copper/Aluminum, Load Lug Terminal, Plug-In Mount, QT Frame, Non-CTL, Triplex, Thermal Magnetic Trip Unit, Miniature Circuit Breaker for Load Center
- Installation/Operator:
- SiemensAG_00215_INST.pdf
- Number of Poles:
- 2
- Wire Size:
- 14 to 6 AWG (Copper/Aluminum)
- Voltage Rating:
- 120/240 VAC at 50/60 Hz
- Current Rating:
- 15 A (Inner Pole), 20 A (Common Trip Pole)
- Catalog:
- SiemensAG_00562_1_42_CAT.pdf
MSRP $131.04Surplus $58.52 -
Siemens Q21530CT Miniature Circuit Breakers (MCBs) EA
MSRP $201.00Surplus $68.64SKU: C15-10533 Brand: Siemens MPN: Q21530CT UPC: 78364319496 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-10533
- TS PIK:
- 21367177
- Short Description:
- 120/240 VAC, 15/30 A, 10 kA, (2) 1-Pole/(1) 2-Pole, 14 to 6 AWG Copper/Aluminum, Load Lug Terminal, Plug-On Mount, QT Frame, Triplex, Thermal Magnetic Trip Unit, Miniature Circuit Breaker for Load Center
- Terminal Type:
- Load Lug
- Type:
- Molded Case, Thermal and Fixed Magnetic Trip, Triplex, Common Trip
- Current Rating:
- 15 A (Inner Pole), 30 A (Common Trip Pole)
- Catalog:
- SiemensAG_00562_1_42_1_46_1_47_CAT.pdf
- Mounting:
- Plug-On
- Interrupting Rating:
- 10 kA
- Size:
- 2 Inch W x 2.06 Inch D x 3.12 Inch H
- Installation/Operator:
- SiemensAG_00215_INST.pdf
- Wire Size:
- 14 to 6 AWG (Copper/Aluminum)
- Used On:
- Loadcenter
- Data Sheet:
- SiemensAG_06999_1_DATA.pdf
- Voltage Rating:
- 120/240 VAC at 50/60 Hz
- Number of Poles:
- 2
- Country of Origin:
- Mexico
MSRP $201.00Surplus $68.64
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.
