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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Siemens 3VU1300-INH00 Motor Circuit Protector (MCPs) EA
MSRP $280.00Surplus $100.80Siemens 3VU1300-INH00 Motor Circuit Protector (MCPs) EA​ ARCA SKU: C15-9443 Brand: Siemens MPN: 3VU1300-INH00 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping...- SKU:
- C15-9443
MSRP $280.00Surplus $100.80 -
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Siemens 3VU1600-IMQ00 Other Circuit Breakers EA
MSRP $540.00Surplus $194.40Siemens 3VU1600-IMQ00 Other Circuit Breakers EA​ ARCA SKU: C15-9445 Brand: Siemens MPN: 3VU1600-IMQ00 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping...- SKU:
- C15-9445
MSRP $540.00Surplus $194.40 -
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Siemens 3VX4210-3C Undervoltage Releases (UVRs)
MSRP $100.00Surplus $15.30SKU: A13-1520 Brand: Siemens MPN: 3VX4210-3C UPC: Shipping Weight: 0.25 lbs. Shipping Height: 2.00 In. Shipping Length: 3.00 In. Shipping Width: 3.00 In. Product...- SKU:
- A13-1520
MSRP $100.00Surplus $15.30 -
Siemens 3VX4210-4B Undervoltage Releases (UVRs)
MSRP $55.00Surplus $8.42SKU: A13-1521 Brand: Siemens MPN: 3VX4210-4B UPC: Shipping Weight: 0.25 lbs. Shipping Height: 2.00 In. Shipping Length: 3.00 In. Shipping Width: 2.00 In. Product...- SKU:
- A13-1521
MSRP $55.00Surplus $8.42 -
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Siemens 3VX4210-5B Undervoltage Releases (UVRs)
MSRP $80.00Surplus $12.24SKU: A13-1533 Brand: Siemens MPN: 3VX4210-5B UPC: Shipping Weight: 0.30 lbs. Shipping Height: 2.00 In. Shipping Length: 3.00 In. Shipping Width: 2.00 In. Product...- SKU:
- A13-1533
MSRP $80.00Surplus $12.24 -
Siemens 5SJ4340-8HG41 Miniature Circuit Breakers (MCBs) 40A
MSRP $283.29Surplus $70.68Siemens 5SJ4340-8HG41 Miniature Circuit Breakers (MCBs) 40A​ ARCA SKU: E30-10152 Brand: Siemens MPN: 5SJ4340-8HG41 UPC: 4001869321929 Shipping Weight: 1.15 lbs. Shipping Height: 3.00...- SKU:
- E30-10152
- Current Rating:
- 40 A
- Size:
- 54 Millimeter Width x 76.4 Millimeter Depth x 110 Millimeter Height
- Short Description:
- 240 VAC, 60/125 VDC, 40 A, 10 kA, 3-Pole, 70 MM Device Depth, 14 to 4 AWG Solid/Stranded Copper, Line/Load Screw Terminal, 35 MM DIN Rail Mount, Standard Frame, Curve D, Thermal Magnetic Trip Unit, Miniature Circuit Breaker
- Voltage Rating:
- 240 VAC, 60/125 VDC
- Interrupting Rating:
- 10 kA
- Type:
- Thermal Magnetic
- Terminal Type:
- Line/Load Screw
- Wire Size:
- 14 to 4 AWG Copper
- Series:
- 5SJ4
- Number of Poles:
- 3
- Catalog:
- SiemensAG_01744_16_2-16_10_CAT.pdf
- Mounting:
- DIN Rail
- Approval:
- UL 489, CSA C22.2
MSRP $283.29Surplus $70.68 -
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Siemens 5SX2-1 Miniature Circuit Breakers (MCBs) 1P 50/60Hz 1Ph
MSRP $120.00Surplus $34.01Siemens 5SX2-1 Miniature Circuit Breakers (MCBs) 1P 50/60Hz 1Ph​ ARCA SKU: C15-4689 Brand: Siemens MPN: 5SX2-1 UPC: Shipping Weight: 0.35 Shipping Height: 1.00 In. Shipping...- SKU:
- C15-4689
- Poles:
- 1
- Frequency Rating:
- 50/60 Hz
MSRP $120.00Surplus $34.01 -
Siemens 5SX2-203-8 Miniature Circuit Breakers (MCBs) EA
MSRP $220.00Surplus $31.08Siemens 5SX2-203-8 Miniature Circuit Breakers (MCBs) EA​ ARCA SKU: C15-8986 Brand: Siemens MPN: 5SX2-203-8 UPC: 4001869031347 Shipping Weight: 0.60 lbs. Shipping Height: 2.00 In...- SKU:
- C15-8986
MSRP $220.00Surplus $31.08 -
Siemens 5SX2106-7 Miniature Circuit Breakers (MCBs) EA
MSRP $125.00Surplus $27.05Siemens 5SX2106-7 Miniature Circuit Breakers (MCBs) EA​ ARCA SKU: C15-8989 Brand: Siemens MPN: 5SX2106-7 UPC: Shipping Weight: 0.30 lbs. Shipping Height: 4.00 In. Shipping...- SKU:
- C15-8989
- Short Description:
- 230/400 VAC, 6 A, 6 kA, 1-Pole, 55 MM Mounting Depth, Curve C, Miniature Circuit Breaker
- Voltage Rating:
- 230/400 V
- Catalog:
- SiemensAG_01748_12_4_CAT.pdf
- Number of Poles:
- 1
- Current Rating:
- 6 A
- Series:
- 5SX2
- Interrupting Rating:
- 6 kA
MSRP $125.00Surplus $27.05 -
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Siemens A01MN64 Circuit Breaker Accessories
MSRP $702.00Surplus $160.93SKU: C15-8785 Brand: Siemens MPN: A01MN64 UPC: 78364321619 Shipping Weight: 1.30 lbs. Shipping Height: 4.00 In. Shipping Length: 8.00 In. Shipping Width: 6.00 In...- SKU:
- C15-8785
- Catalog:
- SiemensAG_01796_7_132_CAT.pdf
- Country of Origin:
- Mexico
- Used On:
- 800 A MD/SMD Frame, 1200 A ND/SND Frame, 1600 A PD/SPD Frame, 2000 A RD Frame Molded Case Circuit Breaker
- Short Description:
- 480 VAC, 250 VDC, 1NO-1NC, Form C, Auxiliary Switch for MD/ND/PD/RD Frame Circuit Breaker
- Installation/Operator:
- SiemensAG_00212_INST.pdf
MSRP $702.00Surplus $160.93 -
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Siemens B00ED64 Circuit Breaker Accessories EA
MSRP $800.00Surplus $236.56SKU: C15-10299 Brand: Siemens MPN: B00ED64 UPC: 78364323542 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-10299
- TS PIK:
- 115554936
- Country of Origin:
- Mexico
MSRP $800.00Surplus $236.56 -
Siemens B115 Miniature Circuit Breakers (MCBs)
MSRP $89.00Surplus $7.54Siemens B115 Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-6105 Brand: Siemens MPN: B115 UPC: 78364326341 Shipping Weight: 1.00 lbs. Shipping Height: 3.00 In. Shipping...- SKU:
- C15-6105
- TS PIK:
- 21368372
MSRP $89.00Surplus $7.54 -
Siemens B115 Miniature Circuit Breakers (MCBs) EA
MSRP $89.00Surplus $9.55Siemens B115 Miniature Circuit Breakers (MCBs) EA​ ARCA SKU: C15-9618 Brand: Siemens MPN: B115 UPC: 78364326341 Shipping Weight: 0.30 lbs. Shipping Height: 4.00 In. Shipping...- SKU:
- C15-9618
- TS PIK:
- 21368372
- Interrupting Rating:
- 10 kA
- Current Rating:
- 15 A
- Catalog:
- SiemensAG_00564_7_29_CAT.pdf
- Installation/Operator:
- SiemensAG_00215_INST.pdf
- Number of Poles:
- 1
- Short Description:
- 120 VAC, 15 A, 10 kA, 1-Pole, Bolt-On Mount, Molded Case, Branch, Panelboard Circuit Breaker
- Data Sheet:
- SiemensAG_05158_1_DATA.pdf
- Used On:
- Panelboard
- Voltage Rating:
- 120 VAC
- Mounting:
- Bolt-On
MSRP $89.00Surplus $9.55 -
Siemens B115H Miniature Circuit Breakers (MCBs) 15A
MSRP $165.00Surplus $19.80SKU: C15-6209 Brand: Siemens MPN: B115H UPC: 78364326381 Shipping Weight: 1.00 lbs. Shipping Height: 3.00 In. Shipping Length: 4.00 In. Shipping Width: 1.00 In...- SKU:
- C15-6209
- TS PIK:
- 115370793
- Short Description:
- 120 VAC, 15 A, 22 kA, 1-Pole, Bolt-On Mount, Molded Case, Branch, Panelboard Circuit Breaker
- Voltage Rating:
- 120 VAC
- Used On:
- P1/P2/P3/P4/P5 Panelboard
- Interrupting Rating:
- 22 kA at 120 VAC (UL)
- Number of Poles:
- 1
- Catalog:
- SiemensAG_00564_7_29_CAT.pdf
- Data Sheet:
- SiemensAG_05160_1_DATA.pdf
- Current Rating:
- 15 A
- Installation/Operator:
- SiemensAG_00215_INST.pdf
- Type:
- Molded Case, Thermal and Fixed Magnetic, Branch
- Country of Origin:
- Mexico
MSRP $165.00Surplus $19.80 -
Siemens B120 Miniature Circuit Breakers (MCBs)
MSRP $160.00Surplus $13.62SKU: C15-1007 Brand: Siemens MPN: B120 UPC: 78364326342 Shipping Weight: 0.30 lbs. Shipping Height: 2.00 In. Shipping Length: 5.00 In. Shipping Width: 4.00 In...- SKU:
- C15-1007
- TS PIK:
- 21368373
MSRP $160.00Surplus $13.62 -
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Siemens B120 Molded Case Breakers (MCCBs) EA
MSRP $160.00Surplus $35.76Siemens B120 Molded Case Breakers (MCCBs) EA​ ARCA SKU: C15-9340 Brand: Siemens MPN: B120 UPC: 78364326342 Shipping Weight: 0.30 lbs. Shipping Height: 3.25 In. Shipping...- SKU:
- C15-9340
MSRP $160.00Surplus $35.76 -
Siemens B12000S01 Miniature Circuit Breakers (MCBs) B 1P 20A 120/240V 50/60Hz 1Ph
MSRP $332.00Surplus $130.34Siemens B12000S01 Miniature Circuit Breakers (MCBs) B 1P 20A 120/240V 50/60Hz 1Ph​ ARCA SKU: C15-3108 Brand: Siemens MPN: B12000S01 UPC: 783643268234 Shipping Weight: 0.70 Shipping...- SKU:
- C15-3108
- Type:
- Shunt Trip
- Approval:
- UL 489
- Size:
- 4.4 Inch Width x 5.5 Inch Depth x 3.8 Inch Height
- Volts:
- 120 VAC
- Amps:
- 32 A
- Poles:
- 1
- Interrupting Rating:
- 10 kA
- Terminal Type:
- Bolt-On
- Frame Type:
- BL
- Maximum AC Voltage Rating:
- 120 V
- Short Description:
- 120 VAC, 20 A, 10 kA, 1-Pole, Bolt-On Mount, Factory Installed, Shunt Trip
- Catalog:
- SiemensAG_00564_7_29_CAT.pdf
- Data Sheet:
- SiemensAG_05162_1_DATA.pdf
- Voltage Rating:
- 120 VAC
- Number of Poles:
- 1
- Country of Origin:
- MEX
- Current Rating:
- 20 A
MSRP $332.00Surplus $130.34 -
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Siemens B120AF Miniature Circuit Breakers (MCBs)
Surplus $71.25Siemens B120AF Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-8491 Brand: Siemens MPN: B120AF UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping...- SKU:
- C15-8491
Surplus $71.25 -
Siemens B120H Miniature Circuit Breakers (MCBs) 20A
MSRP $165.00Surplus $18.04Siemens B120H Miniature Circuit Breakers (MCBs) 20A​ ARCA SKU: C15-6107 Brand: Siemens MPN: B120H UPC: 78364326382 Shipping Weight: 0.30 lbs. Shipping Height: 3.00 In. Shipping...- SKU:
- C15-6107
- TS PIK:
- 115271092
- Interrupting Rating:
- 22 kA at 120 VAC
- Voltage Rating:
- 120 VAC
- Number of Poles:
- 1
- Installation/Operator:
- SiemensAG_00215_INST.pdf
- Current Rating:
- 20 A
- Data Sheet:
- SiemensAG_05164_1_DATA.pdf
- Short Description:
- 120 VAC, 20 A, 22 kA, 1-Pole, Bolt-On Mount, Molded Case, Branch, Panelboard Circuit Breaker
- Type:
- Thermal and Fixed Magnetic, Branch, Molded Case
- Used On:
- P1/P2/P3/P4/P5 Panelboard
- Catalog:
- SiemensAG_00564_7_29_CAT.pdf
- Country of Origin:
- Mexico
MSRP $165.00Surplus $18.04 -
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Siemens B120H00S01 Miniature Circuit Breakers (MCBs) 1P 20A 120V
MSRP $554.00Surplus $198.49Siemens B120H00S01 Miniature Circuit Breakers (MCBs) 1P 20A 120V​ ARCA SKU: C15-6106 Brand: Siemens MPN: B120H00S01 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In...- SKU:
- C15-6106
- Interrupting Rating:
- 22 kA at 120 VAC (UL)
- Used On:
- P1/P2/P3/P4/P5 Panelboard
- Voltage Rating:
- 120 VAC at 50/60 Hz (UL)
- Catalog:
- SiemensAG_00564_7_29_CAT.pdf
- Number of Poles:
- 1
- Current Rating:
- 20 A
- Data Sheet:
- SiemensAG_05165_1_DATA.pdf
- Type:
- Molded Case, Thermal and Fixed Magnetic
- Short Description:
- 120 VAC, 20 A, 22 kA, 1-Pole, Bolt-On Mount, Molded Case, Shunt Trip, Panelboard Circuit Breaker
- Country of Origin:
- Mexico
MSRP $554.00Surplus $198.49
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