
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 ED42B030 Molded Case Breakers (MCCBs) 2P 30A 480V
MSRP $1,626.00Surplus $270.08SKU: C15-3271 Brand: Siemens MPN: ED42B030 UPC: 78364320924 Shipping Weight: 2.60 lbs. Shipping Height: 3.00 In. Shipping Length: 8.00 In. Shipping Width: 6.00 In...- SKU:
- C15-3271
- Series:
- ED4
- Type:
- Thermal Magnetic
- Approval:
- UL 489
- Size:
- 2 Inch Width x 4.56 Inch Depth x 6.35 Inch Height
- Volts:
- 480 VAC
- Volts:
- 250 VDC
- Amps:
- 30 A
- Poles:
- 2
- Interrupting Rating:
- 65 kA at 240 VAC (UL 489)
- Interrupting Rating:
- 18 kA at 480 Volt AC (UL 489)
- Interrupting Rating:
- 30 kA at 250 Volt DC (UL 489)
- Terminal Type:
- Load Lug
- Frame Type:
- ED
- Short Description:
- 480 VAC 50/60 Hz, 250 VDC, 30 A at 40 Deg C, 18 kA, 2-Pole, 10 to 1/0 AWG Copper/Aluminum, Load Lug Terminal, ED Frame, Thermal Magnetic Trip Unit
- Catalog:
- SiemensAG_01698_17_78-17_80_CAT.pdf
- Installation/Operator:
- SiemensAG_00313_INST.pdf
- TS PIK:
- 21367363
- Voltage Rating:
- 480 VAC, 250 VDC
- Number of Poles:
- 2
- Current Rating:
- 30 A
- Country of Origin:
- Mexico
MSRP $1,626.00Surplus $270.08 -
Siemens ED43B025 Molded Case Breakers (MCCBs)
MSRP $2,130.00Surplus $521.36SKU: C15-7510 Brand: Siemens MPN: ED43B025 UPC: 78364320938 Shipping Weight: 3.70 lbs. Shipping Height: 4.00 In. Shipping Length: 8.00 In. Shipping Width: 6.00 In...- SKU:
- C15-7510
- TS PIK:
- 126673645
- Type:
- Thermal Magnetic
- Number of Poles:
- 3
- Interrupting Rating:
- 65 kA at 240 VAC (UL 489), 18 kA at 480 VAC (UL 489)
- Catalog:
- SiemensAG_01698_17_78-17_80_CAT.pdf
- Installation/Operator:
- SiemensAG_00313_INST.pdf
- Frame Type:
- ED
- Size:
- 3 Inch Width x 4.56 Inch Depth x 6.35 Inch Height
- Terminal Type:
- Load Lug
- Voltage Rating:
- 480 VAC
- Series:
- ED4
- Short Description:
- 480 VAC 50/60 Hz, 25 A at 40 Deg C, 18 kA, 3-Pole, 14 to 10 AWG Copper/12 to 10 AWG Aluminum, Load Lug Terminal, ED Frame, Thermal Magnetic Trip Unit, Molded Case Circuit Breaker
- Current Rating:
- 25 A
- Country of Origin:
- Mexico
MSRP $2,130.00Surplus $521.36 -
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Siemens ED43B080L Molded Case Breakers (MCCBs)
MSRP $2,406.00Surplus $366.45SKU: C15-7666 Brand: Siemens MPN: ED43B080L UPC: 78364323621 Shipping Weight: 3.75 lbs. Shipping Height: 4.00 In. Shipping Length: 8.00 In. Shipping Width: 6.00 In...- SKU:
- C15-7666
- TS PIK:
- 123193463
- Catalog:
- SiemensAG_01698_17_78-17_80_CAT.pdf
- Type:
- Molded Case, Thermal and Fixed Magnetic
- Number of Poles:
- 3
- Size:
- 3 Inch W x 4.56 Inch D x 6.35 Inch H
- Current Rating:
- 80 A
- Voltage Rating:
- 480 VAC at 50/60 Hz (UL)
- Short Description:
- 480 VAC 50/60 Hz, 80 A at 40 Deg C, 18 kA, 3-Pole, 10 to 1/0 AWG Copper/Aluminum, Line/Load Lug Terminal, ED Frame, Thermal Magnetic Trip Unit, Molded Case Circuit Breaker
- Terminal Type:
- Line Lug
- Installation/Operator:
- SiemensAG_00313_INST.pdf
- Interrupting Rating:
- 65 kA at 240 VAC, 18 kA at 480 VAC (UL)
- Series:
- ED4
- Country of Origin:
- Mexico
MSRP $2,406.00Surplus $366.45 -
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Siemens ED43B110L Molded Case Breakers (MCCBs)
MSRP $4,811.00Surplus $485.07SKU: E30-11695 Brand: Siemens MPN: ED43B110L UPC: 78364323624 Shipping Weight: 3.90 lbs. Shipping Height: 4.00 In. Shipping Length: 8.00 In. Shipping Width: 6.00 In...- SKU:
- E30-11695
- TS PIK:
- 115405808
- Number of Poles:
- 3
- Type:
- Molded Case, Low Vage, Thermal Magnetic, Standard Rating
- Interrupting Rating:
- 18 kA at 480 VAC
- Catalog:
- SiemensAG_09175_17_1_17_4_17_81-17_84_17_112_17_113_17_123_17_133_CAT.pdf
- Installation/Operator:
- SiemensAG_00593_INST.pdf
- Current Rating:
- 110 A
- Voltage Rating:
- 480 VAC 50/60 Hertz
- Frame Type:
- ED
- Maximum AC Voltage Rating:
- 480 V
- Size:
- 3 Inch Width x 3.92 Inch Depth x 6.35 Inch Height
- Terminal Type:
- Line and Load Lug
- Short Description:
- BRKR ED4 3P 480V 110A LUG
- Country of Origin:
- Mexico
MSRP $4,811.00Surplus $485.07 -
Siemens ED63B045 Molded Case Breakers (MCCBs)
MSRP $2,429.00Surplus $622.06SKU: C15-7429 Brand: Siemens MPN: ED63B045 UPC: 78364320972 Shipping Weight: 3.70 lbs. Shipping Height: 4.00 In. Shipping Length: 8.00 In. Shipping Width: 6.00 In...- SKU:
- C15-7429
- TS PIK:
- 115676270
- Series:
- ED6
- Number of Poles:
- 3
- Installation/Operator:
- SiemensAG_00313_INST.pdf
- Voltage Rating:
- 600 VAC, 500 VDC
- Type:
- Thermal Magnetic
- Terminal Type:
- Load Lug
- Catalog:
- SiemensAG_01698_17_78-17_80_CAT.pdf
- Size:
- 3 Inch Width x 4.56 Inch Depth x 6.35 Inch Height
- Frame Type:
- ED
- Current Rating:
- 45 A
- Short Description:
- 600 VAC 50/60 Hz, 500 VDC, 45 A at 40 Deg C, 18/25 kA, 3-Pole, 10 to 1/0 AWG Copper/Aluminum, Load Lug Terminal, ED Frame, Thermal Magnetic Trip Unit, Molded Case Circuit Breaker
- Interrupting Rating:
- 65 kA at 240 VAC (UL 489), 25 kA at 480 VAC (UL 489), 18 kA at 600 VAC/500 VDC (UL 489), 65/17 kA at 220/240 VAC (IEC), 35/9 kA at 380/415 VAC (IEC), 18/5 kA at 500 VAC (IEC)
- Country of Origin:
- Mexico
- Approval:
- UL 489, IEC
MSRP $2,429.00Surplus $622.06 -
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Siemens ED63B090L Molded Case Breakers (MCCBs)
MSRP $3,027.00Surplus $394.62SKU: E30-11698 Brand: Siemens MPN: ED63B090L UPC: 78364323637 Shipping Weight: 3.70 lbs. Shipping Height: 4.00 In. Shipping Length: 8.00 In. Shipping Width: 6.00 In...- SKU:
- E30-11698
- TS PIK:
- 115405814
- Short Description:
- BRKR ED6 3P 600V 90A LUG
- Country of Origin:
- Mexico
MSRP $3,027.00Surplus $394.62 -
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Siemens EH3-B050 Molded Case Breakers (MCCBs) EH 3P 50A 480V 50/60Hz 3Ph
MSRP $1,194.00Surplus $508.61SKU: C15-4274 Brand: Siemens MPN: EH3-B050 3P 50A 480V UPC: Shipping Weight: 2.00 lbs. Shipping Height: 6.00 In. Shipping Length: 4.50 In. Shipping Width: 3.75 In...- SKU:
- C15-4274
- Frame Type:
- EH3
- Voltage Rating:
- 480 V
- Current Rating:
- 50 A
- Number of Poles:
- 3
- Short Description:
- 50 A, 480 volt, three pole, Frame: EH3, Poles: 3, Aerage: 50, Voltage: 480
MSRP $1,194.00Surplus $508.61 -
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Siemens FXD63B070 Motor Circuit Protector (MCPs)
MSRP $6,714.00Surplus $897.21SKU: C15-7657 Brand: Siemens MPN: FXD63B070 UPC: 78364321119 Shipping Weight: 7.70 lbs. Shipping Height: 7.00 In. Shipping Length: 11.00 In. Shipping Width: 6.00 In...- SKU:
- C15-7657
- TS PIK:
- 123193459
- Catalog:
- SiemensAG_01698_17_78_17_82_17_110_17_111_CAT.pdf
- Short Description:
- 600 VAC 50/60 Hz, 500 VDC, 70 A, 35 kA at 480 VAC, 3-Pole, FD Frame, Thermal Magnetic Trip Unit, Non-Interchangeable Trip, Molded Case Circuit Breaker
- Number of Poles:
- 3
- Interrupting Rating:
- 22 kA at 600 VAC, 18 kA at 500 VDC
- Voltage Rating:
- 600 VAC, 500 VDC
- Current Rating:
- 70 A
- Series:
- FXD6-A
- Frame Type:
- FD
- Size:
- 4.5 Inch Width x 4 Inch Depth x 9.5 Inch Height
- Type:
- Thermal Magnetic, Non-Interchangeable Trip
- Maximum AC Voltage Rating:
- 600 V
- Maximum DC Voltage Rating:
- 500 V
- Installation/Operator:
- SiemensAG_00224_INST.pdf
MSRP $6,714.00Surplus $897.21 -
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Siemens HEB1B030B Miniature Circuit Breakers (MCBs)
MSRP $3,498.00Surplus $237.32SKU: E30-11699 Brand: Siemens MPN: HEB1B030B UPC: 78364355868 Shipping Weight: 0.80 lbs. Shipping Height: 5.00 In. Shipping Length: 9.00 In. Shipping Width: 1.00 In...- SKU:
- E30-11699
- TS PIK:
- 121608092
- Short Description:
- BRKR HEB 30A 1P 277V 65K LD LUG
- Country of Origin:
- Dominican Republic
MSRP $3,498.00Surplus $237.32 -
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Siemens HEB3B070B Miniature Circuit Breakers (MCBs)
MSRP $13,253.00Surplus $1,520.64SKU: C15-7447 Brand: Siemens MPN: HEB3B070B UPC: 78364355904 Shipping Weight: 2.50 lbs. Shipping Height: 4.00 In. Shipping Length: 7.00 In. Shipping Width: 4.00 In...- SKU:
- C15-7447
- TS PIK:
- 121608127
- Short Description:
- BRKR HEB 70A 3P 480V 65K LD LUG
- Number of Poles:
- 3
- Country of Origin:
- Dominican Republic
MSRP $13,253.00Surplus $1,520.64 -
Siemens HHED63B040 Molded Case Breakers (MCCBs)
MSRP $3,679.00Surplus $606.37SKU: E30-11703 Brand: Siemens MPN: HHED63B040 UPC: 78364330807 Shipping Weight: 4.00 lbs. Shipping Height: 4.00 In. Shipping Length: 7.00 In. Shipping Width: 6.00 In...- SKU:
- E30-11703
- TS PIK:
- 120632073
- Size:
- 3 Inch Width x 4.56 Inch Depth x 6.53 Inch Height
- Interrupting Rating:
- 100 kA at 240 VAC (UL 489), 65 kA at 480 VAC (UL 489), 18 kA at 600 VAC (UL 489)
- Terminal Type:
- Load Lug
- Type:
- Thermal Magnetic
- Current Rating:
- 40 A
- Series:
- HHED6
- Voltage Rating:
- 600 VAC
- Installation/Operator:
- SiemensAG_00313_INST.pdf
- Catalog:
- SiemensAG_01698_17_78-17_80_CAT.pdf
- Number of Poles:
- 3
- Frame Type:
- ED
- Short Description:
- 600 VAC, 40 A, 65 kA at 480 VAC, 3-Pole, 10 to 1/0 AWG Copper/Aluminum, Load Lug Terminal, ED Frame, Fuseless, Current Limiting, Thermal Magnetic Trip Unit, Molded Case Circuit Breaker
- Country of Origin:
- Mexico
- Approval:
- UL 489
MSRP $3,679.00Surplus $606.37 -
Siemens HHED63B040L Molded Case Breakers (MCCBs)
MSRP $3,679.00Surplus $828.60SKU: C15-7665 Brand: Siemens MPN: HHED63B040L UPC: 78364333106 Shipping Weight: 4.10 lbs. Shipping Height: 4.00 In. Shipping Length: 7.00 In. Shipping Width: 6.00 In...- SKU:
- C15-7665
- TS PIK:
- 115558363
- Frame Type:
- ED
- Number of Poles:
- 3
- Terminal Type:
- Line and Load Lug
- Interrupting Rating:
- 18 kA at 600 VAC
- Series:
- HHED6
- Maximum AC Voltage Rating:
- 600 V
- Voltage Rating:
- 600 VAC 50/60 Hertz
- Size:
- 3 Inch Width x 3.92 Inch Depth x 6.53 Inch Height
- Short Description:
- 600 V, 40 A, 3-Pole, 18/65 kA, Line and Load Side Lug, ED Frame, Molded Case, Thermal Magnetic, Low Vage, Extra High Breaking Capacity, Circuit Breaker
- Current Rating:
- 40 A
- Type:
- Molded Case, Low Vage, Thermal Magnetic, Extra High Breaking Capacity
- Country of Origin:
- Mexico
MSRP $3,679.00Surplus $828.60 -
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Siemens HHED63B060L Molded Case Breakers (MCCBs)
MSRP $1,897.00Surplus $925.52SKU: C15-8782 Brand: Siemens MPN: HHED63B060L UPC: Shipping Weight: 3.95 lbs. Shipping Height: 4.00 In. Shipping Length: 7.00 In. Shipping Width: 6.00 In. Product...- SKU:
- C15-8782
MSRP $1,897.00Surplus $925.52 -
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Siemens LD63T600 Molded Case Breakers (MCCBs)
MSRP $5,638.00Surplus $1,037.40SKU: C15-7524 Brand: Siemens MPN: LD63T600 UPC: 78364321414 Shipping Weight: 2.50 lbs. Shipping Height: 6.00 In. Shipping Length: 9.00 In. Shipping Width: 5.00 In...- SKU:
- C15-7524
- TS PIK:
- 115459748
- Series:
- LD63
- Frame Type:
- LD
- Type:
- Thermal Magnetic, Interchangeable
- Short Description:
- 600 VAC, 500 VDC, 600 A, 22/35 kA, 3-Pole, 3/0 AWG to 500 KCMIL Copper, 4/0 AWG to 500 KCMIL Aluminum, Line/Load Lug Terminal, LD Frame, Thermal Magnetic, Interchangeable Molded Case Circuit Breaker Trip Unit
- Current Rating:
- 600 A
- Catalog:
- SiemensAG_00564_7_3-7_5_7_112_7_145_CAT.pdf
- Number of Poles:
- 3
- Country of Origin:
- Mexico
MSRP $5,638.00Surplus $1,037.40 -
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Siemens MD63T800 Molded Case Breakers (MCCBs)
MSRP $9,417.00Surplus $2,061.50SKU: C15-7687 Brand: Siemens MPN: MD63T800 UPC: 78364321484 Shipping Weight: 6.25 lbs. Shipping Height: 7.00 In. Shipping Length: 10.00 In. Shipping Width: 8.00 In...- SKU:
- C15-7687
- TS PIK:
- 21333867
- Current Rating:
- 800 A
- Frame Type:
- MD
- Number of Poles:
- 3
- Short Description:
- 600 VAC, 500 VDC, 800 A, 25/50 kA, 3-Pole, 1/0 AWG to 500 KCMIL Copper/Aluminum, Line/Load Lug Terminal, MD Frame, Thermal Magnetic, Interchangeable Molded Case Circuit Breaker Trip Unit
- Catalog:
- SiemensAG_00564_7_3-7_5_7_129_7_130_CAT.pdf
- Type:
- Thermal Magnetic, Interchangeable
- Series:
- MD6
- Country of Origin:
- Mexico
MSRP $9,417.00Surplus $2,061.50 -
Siemens NGB2B030B Miniature Circuit Breakers (MCBs)
MSRP $1,353.00Surplus $182.23SKU: C15-7492 Brand: Siemens MPN: NGB2B030B UPC: 78364341413 Shipping Weight: 1.75 lbs. Shipping Height: 5.00 In. Shipping Length: 7.00 In. Shipping Width: 4.00 In...- SKU:
- C15-7492
- TS PIK:
- 115459214
- Number of Poles:
- 3
- Country of Origin:
- Mexico
MSRP $1,353.00Surplus $182.23 -
Siemens NGB3B030B Miniature Circuit Breakers (MCBs)
MSRP $1,771.00Surplus $376.52SKU: C15-7393 Brand: Siemens MPN: NGB3B030B UPC: 78364341428 Shipping Weight: 2.42 lbs. Shipping Height: 5.40 In. Shipping Length: 3.00 In. Shipping Width: 2.80 In...- SKU:
- C15-7393
- TS PIK:
- 106247243
- Number of Poles:
- 3
- Country of Origin:
- Mexico
MSRP $1,771.00Surplus $376.52 -
Siemens P115 Miniature Circuit Breakers (MCBs) P 1P 15A 50/60Hz 1Ph EA
MSRP $550.00Surplus $40.82Siemens P115 Miniature Circuit Breakers (MCBs) P 1P 15A 50/60Hz 1Ph EA​ ARCA SKU: C15-8789 Brand: Siemens MPN: P115 UPC: 78524450008 Shipping Weight: 0.25 lbs. Shipping Height: 2.00...- SKU:
- C15-8789
- TS PIK:
- 128676614
- Short Description:
- 1-1/2 STEEL RIGID CONDUIT COUPLING
- Number of Poles:
- 1
MSRP $550.00Surplus $40.82 -
Siemens P240 Miniature Circuit Breakers (MCBs)
MSRP $80.00Surplus $70.52Siemens P240 Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-8454 Brand: Siemens MPN: P240 UPC: Shipping Weight: 0.50 lbs. Shipping Height: 3.00 In. Shipping Length: 4...- SKU:
- C15-8454
- Number of Poles:
- 2
MSRP $80.00Surplus $70.52 -
Siemens Q170 Miniature Circuit Breakers (MCBs) 1P 70A
MSRP $90.75Surplus $11.37Siemens Q170 Miniature Circuit Breakers (MCBs) 1P 70A​ ARCA SKU: C15-6345 Brand: Siemens MPN: Q170 UPC: 66286200399 Shipping Weight: 0.30 lbs. Shipping Height: 3.00 In. Shipping...- SKU:
- C15-6345
- TS PIK:
- 115580534
- Size:
- 1 Inch W x 3 Inch D x 3-1/8 Inch H
- Mounting:
- Plug-On
- Used On:
- Loadcenter
- Current Rating:
- 70 A
- Interrupting Rating:
- 10 kA
- Short Description:
- 120/240 VAC, 70 A, 10 kA, 1-Pole, 8 to 2/0 AWG Copper/Aluminum, Load Lug Terminal, Plug-In Mount, QP Frame, Thermal Magnetic Trip Unit, Miniature Circuit Breaker for Load Center
- Number of Poles:
- 1
- Voltage Rating:
- 120 VAC
- Wire Size:
- 8 to 2/0 AWG (Copper/Aluminum)
- Data Sheet:
- SiemensAG_06980_1_DATA.pdf
- Installation/Operator:
- SiemensAG_00215_INST.pdf
- Terminal Type:
- Load Lug
- Catalog:
- SiemensAG_00562_1_41_1_46_1_47_CAT.pdf
- Type:
- Thermal and Fixed Magnetic
MSRP $90.75Surplus $11.37
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.