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 HED43B025L Molded Case Breakers (MCCBs)
MSRP $3,253.00Surplus $1,062.01Siemens HED43B025L Molded Case Breakers (MCCBs)​ ARCA SKU: C15-7586 Brand: Siemens MPN: HED43B025L UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping...- SKU:
- C15-7586
MSRP $3,253.00Surplus $1,062.01 -
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Siemens HED43B030 Molded Case Breakers (MCCBs)
MSRP $3,253.00Surplus $942.60Siemens HED43B030 Molded Case Breakers (MCCBs)​ ARCA SKU: C15-7453 Brand: Siemens MPN: HED43B030 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping...- SKU:
- C15-7453
- Current Rating:
- 30 A
- Short Description:
- 480 VAC, 30 A, 42 kA, 3-Pole, 10 to 1/0 AWG Copper/Aluminum, Load Lug Terminal, ED Frame, Thermal Magnetic Trip Unit, Molded Case Circuit Breaker
- Series:
- HED4
- Interrupting Rating:
- 100 kA at 240 VAC (UL 489), 42 kA at 480 VAC (UL 489)
- Voltage Rating:
- 480 VAC
- Terminal Type:
- Load Lug
- Frame Type:
- ED
- Number of Poles:
- 3
- Type:
- Thermal Magnetic
- Catalog:
- SiemensAG_01698_17_78-17_80_CAT.pdf
- Size:
- 3 Inch Width x 4.56 Inch Depth x 6.35 Inch Height
- Installation/Operator:
- SiemensAG_00313_INST.pdf
- Country of Origin:
- Mexico
MSRP $3,253.00Surplus $942.60 -
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Siemens HED43B030L Molded Case Breakers (MCCBs)
MSRP $3,253.00Surplus $1,171.08Siemens HED43B030L Molded Case Breakers (MCCBs)​ ARCA SKU: C15-7587 Brand: Siemens MPN: HED43B030L UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping...- SKU:
- C15-7587
- TS PIK:
- 115459364
MSRP $3,253.00Surplus $1,171.08 -
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Siemens HED43B035 Molded Case Breakers (MCCBs) 3P 35A 480V
MSRP $3,253.00Surplus $1,171.08Siemens HED43B035 Molded Case Breakers (MCCBs) 3P 35A 480V​ ARCA SKU: C15-7588 Brand: Siemens MPN: HED43B035 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping...- SKU:
- C15-7588
MSRP $3,253.00Surplus $1,171.08 -
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Siemens HED43B035L Molded Case Breakers (MCCBs)
MSRP $3,253.00Surplus $768.94SKU: E30-11701 Brand: Siemens MPN: HED43B035L UPC: 78364323643 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- E30-11701
- TS PIK:
- 115558253
MSRP $3,253.00Surplus $768.94 -
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Siemens HED43B040 Molded Case Breakers (MCCBs)
MSRP $3,253.00Surplus $1,048.08Siemens HED43B040 Molded Case Breakers (MCCBs)​ ARCA SKU: C15-7698 Brand: Siemens MPN: HED43B040 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping...- SKU:
- C15-7698
- Number of Poles:
- 3
- Series:
- HED4
- Short Description:
- 480 VAC, 40 A, 42 kA, 3-Pole, 10 to 1/0 AWG Copper/Aluminum, Load Lug Terminal, ED Frame, Thermal Magnetic Trip Unit, Molded Case Circuit Breaker
- Frame Type:
- ED
- Voltage Rating:
- 480 VAC
- Type:
- Thermal Magnetic
- Installation/Operator:
- SiemensAG_00313_INST.pdf
- Current Rating:
- 40 A
- Interrupting Rating:
- 100 kA at 240 VAC (UL 489), 42 kA at 480 VAC (UL 489)
- Terminal Type:
- Load Lug
- Size:
- 3 Inch Width x 4.56 Inch Depth x 6.35 Inch Height
- Catalog:
- SiemensAG_01698_17_78-17_80_CAT.pdf
- Country of Origin:
- Mexico
MSRP $3,253.00Surplus $1,048.08 -
Siemens HED43B040L Molded Case Breakers (MCCBs)
MSRP $3,546.00Surplus $487.32SKU: C15-7454 Brand: Siemens MPN: HED43B040L UPC: 78364323644 Shipping Weight: 3.80 lbs. Shipping Height: 4.00 In. Shipping Length: 8.00 In. Shipping Width: 6.00 In...- SKU:
- C15-7454
- TS PIK:
- 126675138
- Short Description:
- 480 VAC, 40 A at 40 Deg C, 42 kA, 3-Pole, 10 to 1/0 AWG Copper/Aluminum, Line/Load Lug Terminal, ED Frame, Thermal Magnetic Trip Unit, Molded Case Circuit Breaker
- Number of Poles:
- 3
- Catalog:
- SiemensAG_01698_17_78-17_80_CAT.pdf
- Series:
- HED4
- Voltage Rating:
- 480 VAC at 50/60 Hz (UL)
- Installation/Operator:
- SiemensAG_00313_INST.pdf
- Current Rating:
- 40 A
- Type:
- Molded Case, Thermal and Fixed Magnetic
- Terminal Type:
- Line Lug
- Interrupting Rating:
- 100 kA at 240 VAC, 42 kA at 480 VAC (UL)
- Size:
- 3 Inch W x 4.56 Inch D x 6.35 Inch H
- Country of Origin:
- Mexico
MSRP $3,546.00Surplus $487.32 -
Siemens HED43B045L Molded Case Breakers (MCCBs)
MSRP $3,546.00Surplus $565.52SKU: C15-7664 Brand: Siemens MPN: HED43B045L UPC: 78364323645 Shipping Weight: 3.75 lbs. Shipping Height: 4.00 In. Shipping Length: 7.00 In. Shipping Width: 6.00 In...- SKU:
- C15-7664
- TS PIK:
- 115558254
- Current Rating:
- 45 A
- Frame Type:
- ED
- Catalog:
- SiemensAG_09175_17_1_17_4_17_81-17_84_17_112_17_113_17_123_17_133_CAT.pdf
- Number of Poles:
- 3
- Installation/Operator:
- SiemensAG_00593_INST.pdf
- Type:
- Molded Case, Low Vage, Thermal Magnetic, High IC Rating
- Interrupting Rating:
- 42 kA at 480 VAC
- Terminal Type:
- Line and Load Lug
- Maximum AC Voltage Rating:
- 480 V
- Voltage Rating:
- 480 VAC 50/60 Hertz
- Size:
- 3 Inch Width x 3.92 Inch Depth x 6.35 Inch Height
- Short Description:
- BRKR HED4 3P 480V 45A LUG
- Country of Origin:
- Mexico
MSRP $3,546.00Surplus $565.52 -
Siemens HED43B050 Molded Case Breakers (MCCBs)
MSRP $4,214.00Surplus $1,120.18SKU: C15-8447 Brand: Siemens MPN: HED43B050 UPC: 78364321016 Shipping Weight: 3.70 lbs. Shipping Height: 6.35 In. Shipping Length: 6.35 In. Shipping Width: 3.00 In...- SKU:
- C15-8447
- TS PIK:
- 21367455
- Type:
- Thermal Magnetic
- Country of Origin:
- Mexico
- Frame Type:
- ED
- Current Rating:
- 50 A
- Voltage Rating:
- 480 VAC
- Series:
- HED4
- Catalog:
- SiemensAG_01698_17_78-17_80_CAT.pdf
- Size:
- 3 Inch Width x 4.56 Inch Depth x 6.35 Inch Height
- Terminal Type:
- Load Lug
- Interrupting Rating:
- 100 kA at 240 VAC (UL 489), 42 kA at 480 VAC (UL 489)
- Number of Poles:
- 3
- Installation/Operator:
- SiemensAG_00313_INST.pdf
- Short Description:
- 480 VAC, 50 A, 42 kA, 3-Pole, 10 to 1/0 AWG Copper/Aluminum, Load Lug Terminal, ED Frame, Thermal Magnetic Trip Unit, Molded Case Circuit Breaker
MSRP $4,214.00Surplus $1,120.18 -
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Siemens HED43B050L Molded Case Breakers (MCCBs)
MSRP $3,253.00Surplus $1,171.08Siemens HED43B050L Molded Case Breakers (MCCBs)​ ARCA SKU: C15-7589 Brand: Siemens MPN: HED43B050L UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping...- SKU:
- C15-7589
MSRP $3,253.00Surplus $1,171.08 -
Siemens HED43B060 Molded Case Breakers (MCCBs)
MSRP $3,546.00Surplus $417.47SKU: C15-7531 Brand: Siemens MPN: HED43B060 UPC: 78364321017 Shipping Weight: 3.65 lbs. Shipping Height: 4.00 In. Shipping Length: 8.00 In. Shipping Width: 6.00 In...- SKU:
- C15-7531
- TS PIK:
- 115459890
- Frame Type:
- ED
- Number of Poles:
- 3
- Terminal Type:
- Load Lug
- Type:
- Thermal Magnetic
- Size:
- 3 Inch Width x 4.56 Inch Depth x 6.35 Inch Height
- Current Rating:
- 60 A
- Catalog:
- SiemensAG_00876_5_30_5_31_CAT.pdf
- Series:
- HED4
- Interrupting Rating:
- 100 kA at 240 VAC (UL 489), 42 kA at 480 VAC (UL 489)
- Voltage Rating:
- 480 VAC
- Short Description:
- 480 VAC, 60 A, 100 kA Interrupt, 3-Pole, HED4-Frame, Thermal Magnetic, Molded Case Circuit Breaker
- Country of Origin:
- Mexico
MSRP $3,546.00Surplus $417.47 -
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Siemens HED43B060L Molded Case Breakers (MCCBs) 480V
MSRP $3,253.00Surplus $1,388.89Siemens HED43B060L Molded Case Breakers (MCCBs) 480V​ ARCA SKU: C15-7590 Brand: Siemens MPN: HED43B060L UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping...- SKU:
- C15-7590
MSRP $3,253.00Surplus $1,388.89 -
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Siemens HED43B070 Molded Case Breakers (MCCBs)
MSRP $3,500.00Surplus $796.47SKU: C15-7669 Brand: Siemens MPN: HED43B070 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- C15-7669
- TS PIK:
- 124880744
MSRP $3,500.00Surplus $796.47 -
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Siemens HED43B070L Molded Case Breakers (MCCBs)
MSRP $3,500.00Surplus $898.80SKU: C15-7591 Brand: Siemens MPN: HED43B070L UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- C15-7591
MSRP $3,500.00Surplus $898.80 -
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Siemens HED43B080 Molded Case Breakers (MCCBs)
MSRP $3,500.00Surplus $833.95SKU: C15-7455 Brand: Siemens MPN: HED43B080 UPC: 78364321019 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-7455
- TS PIK:
- 21367458
- Short Description:
- 480 VAC, 80 A at 40 Deg C, 42 kA, 3-Pole, 10 to 1/0 AWG Copper/Aluminum, Load Lug Terminal, ED Frame, Thermal Magnetic Trip Unit, Molded Case Circuit Breaker
MSRP $3,500.00Surplus $833.95 -
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Siemens HED43B080L Molded Case Breakers (MCCBs)
MSRP $3,500.00Surplus $1,494.03Siemens HED43B080L Molded Case Breakers (MCCBs)​ ARCA SKU: C15-7592 Brand: Siemens MPN: HED43B080L UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping...- SKU:
- C15-7592
MSRP $3,500.00Surplus $1,494.03 -
Siemens HED43B090 Molded Case Breakers (MCCBs)
MSRP $3,815.00Surplus $450.91SKU: C15-7456 Brand: Siemens MPN: HED43B090 UPC: 78364321020 Shipping Weight: 3.65 lbs. Shipping Height: 4.00 In. Shipping Length: 8.00 In. Shipping Width: 6.00 In...- SKU:
- C15-7456
- TS PIK:
- 115459914
- Type:
- Thermal Magnetic
- Installation/Operator:
- SiemensAG_00313_INST.pdf
- Frame Type:
- ED
- Voltage Rating:
- 480 VAC
- Short Description:
- 480 VAC, 90 A at 40 Deg C, 42 kA, 3-Pole, 10 to 1/0 AWG Copper/Aluminum, Load Lug Terminal, ED Frame, Thermal Magnetic Trip Unit, Molded Case Circuit Breaker
- Number of Poles:
- 3
- Current Rating:
- 90 A
- Interrupting Rating:
- 100 kA at 240 VAC (UL 489), 42 kA at 480 VAC (UL 489)
- Series:
- HED4
- Terminal Type:
- Load Lug
- Size:
- 3 Inch Width x 4.56 Inch Depth x 6.35 Inch Height
- Catalog:
- SiemensAG_01698_17_78-17_80_CAT.pdf
- Country of Origin:
- Mexico
MSRP $3,815.00Surplus $450.91 -
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Siemens HED43B090L Molded Case Breakers (MCCBs)
MSRP $3,500.00Surplus $1,135.02SKU: C15-7593 Brand: Siemens MPN: HED43B090L UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- C15-7593
MSRP $3,500.00Surplus $1,135.02 -
Siemens HED43B125 Molded Case Breakers (MCCBs)
MSRP $7,792.00Surplus $583.25SKU: C15-7392 Brand: Siemens MPN: HED43B125 UPC: 78364321023 Shipping Weight: 3.75 lbs. Shipping Height: 4.00 In. Shipping Length: 8.00 In. Shipping Width: 6.00 In...- SKU:
- C15-7392
- TS PIK:
- 120525170
- Type:
- Molded Case, Thermal and Fixed Magnetic
- Catalog:
- SiemensAG_01698_17_78-17_80_CAT.pdf
- Short Description:
- 480 VAC, 125 A at 40 Deg C, 42 kA, 3-Pole, 3 to 3/0 AWG Copper/1 to 2/0 AWG Aluminum, Load Lug Terminal, ED Frame, Thermal Magnetic Trip Unit, Molded Case Circuit Breaker
- Interrupting Rating:
- 100 kA at 240 VAC, 42 kA at 480 VAC (UL)
- Voltage Rating:
- 480 VAC at 50/60 Hz (UL)
- Series:
- HED4
- Number of Poles:
- 3
- Installation/Operator:
- SiemensAG_00313_INST.pdf
- Current Rating:
- 125 A
- Size:
- 3 Inch W x 4.56 Inch D x 6.35 Inch H
- Terminal Type:
- Load Lug
- Country of Origin:
- Mexico
- Approval:
- UL 489, CSA C22.2
- Mounting:
- Plug-On
- Wire Size:
- 3 to 3/0 AWG (Copper), 1 to 2/0 AWG (Aluminum)
- Used On:
- P1/P2/P3/P4/P5 Panelboard
MSRP $7,792.00Surplus $583.25 -
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Siemens HED43B125L Molded Case Breakers (MCCBs)
MSRP $7,148.00Surplus $3,051.24Siemens HED43B125L Molded Case Breakers (MCCBs)​ ARCA SKU: C15-7595 Brand: Siemens MPN: HED43B125L UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping...- SKU:
- C15-7595
MSRP $7,148.00Surplus $3,051.24
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