
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
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- Qty in Cart
- Price
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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 -
Siemens Q225 Miniature Circuit Breakers (MCBs) QP 2P 25A 240V
MSRP $155.00Surplus $19.61Siemens Q225 Miniature Circuit Breakers (MCBs) QP 2P 25A 240V​ ARCA SKU: C15-3711 Brand: Siemens MPN: Q225 UPC: 783643148376 Shipping Weight: 0.55 Shipping Height: 3.00 In. Shipping...- SKU:
- C15-3711
- Approval:
- UL 489
- Amps:
- 25 A
- Interrupting Rating:
- 10 A
- Mounting:
- Plug-On
- Poles:
- 2
- Size:
- 3 Inch Width x 3 Inch Depth x 2 Inch Height
- Terminal Used On:
- Load Center
- Volts:
- 120/240 VAC
- Gauge:
- 0
- Short Description:
- 120/240 VAC, 25 A, 10 kA, 2-Pole, 14 to 6 AWG Copper/Aluminum, Load Lug Terminal, Plug-In Mount, QP Frame, Common Trip, Thermal Magnetic Trip Unit, Miniature Circuit Breaker for Load Center
- Series:
- Q
- Data Sheet:
- SiemensAG_07024_1_DATA.pdf
- Installation/Operator:
- SiemensAG_00215_INST.pdf
- Number of Poles:
- 2
- Current Rating:
- 25 A
- Voltage Rating:
- 120/240 VAC
- Used On:
- Load Center
- Catalog:
- SiemensAG_00562_1_41_1_46_1_47_CAT.pdf
MSRP $155.00Surplus $19.61 -
Siemens Q34000S01 Miniature Circuit Breakers (MCBs) 120V
MSRP $598.00Surplus $123.40SKU: C15-6195 Brand: Siemens MPN: Q34000S01 UPC: 78364323763 Shipping Weight: 1.45 lbs. Shipping Height: 4.00 In. Shipping Length: 6.00 In. Shipping Width: 5.00 In...- SKU:
- C15-6195
- TS PIK:
- 120844146
- Current Rating:
- 40 A
- Voltage Rating:
- 240 VAC at 50/60 Hz
- Catalog:
- SiemensAG_00562_1_41_1_46_1_47_CAT.pdf
- Used On:
- Loadcenter
- Size:
- 3 Inch W x 3 Inch D x 3-1/8 Inch H
- Terminal Type:
- Load Lug
- Number of Poles:
- 3
- Installation/Operator:
- SiemensAG_00215_INST.pdf
- Wire Size:
- 8 to 6 AWG (Copper), 8 to 4 AWG (Aluminum)
- Mounting:
- Plug-On
- Interrupting Rating:
- 10 kA
- Data Sheet:
- SiemensAG_07064_1_DATA.pdf
- Type:
- Thermal and Fixed Magnetic, Common Trip
- Short Description:
- 240 VAC, 40 A, 10 kA, 3-Pole, 8 to 6 AWG Copper/8 to 4 AWG Aluminum, Load Lug Terminal, Plug-In Mount, QP Frame, 120 VAC Shunt Trip, Thermal Magnetic Trip Unit, Miniature Circuit Breaker for Load Center
MSRP $598.00Surplus $123.40 -
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Siemens QJ23B200 Molded Case Breakers (MCCBs) QJ2 3P 200A 240V 50/60Hz 3Ph QJ Frame
MSRP $2,450.00Surplus $490.89SKU: C15-1431 Brand: Siemens MPN: QJ23B200 UPC: 78364319380 Shipping Weight: 4.25 lbs. Shipping Height: 4.00 In. Shipping Length: 7.00 In. Shipping Width: 5.00 In...- SKU:
- C15-1431
- Series:
- QJ2
- Type:
- Molded Case
- Type:
- Thermal and Fixed Magnetic
- Approval:
- UL 489
- Size:
- 4.5 Inch W x 2.53 Inch D x 7 Inch H
- Volts:
- 240 VAC at 50/60 Hz (UL)
- Amps:
- 32 A
- Poles:
- 3
- Interrupting Rating:
- 10 kA at 240 VAC (UL 489)
- Terminal Type:
- P1/P2/P3/P4/P5 Panelboard
- Frame Type:
- QJ
- Maximum AC Voltage Rating:
- 200 A
- Short Description:
- 240 VAC, 200 A, 10 kA, 3-Pole, Load Lug Terminal, QJ Frame
- Catalog:
- SiemensAG_01842_7_CAT.pdf
- Country of Origin:
- MEX
- Voltage Rating:
- 240 VAC at 50/60 Hz (UL)
- Current Rating:
- 200 A
- Number of Poles:
- 3
MSRP $2,450.00Surplus $490.89 -
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Siemens RHOH4 Everything Else EA
MSRP $423.08Surplus $91.89Siemens RHOH4 Everything Else EA​ ARCA SKU: E30-8872 Brand: Siemens MPN: RHOH4 UPC: 78364320525 Shipping Weight: 3.60 lbs. Shipping Height: 6.00 In. Shipping Length: 11...- SKU:
- E30-8872
- Short Description:
- NEMA 4/4X, Stainless, Metal, Door Mount, Square, Lever, Rotary Operating Handle for 3VA Molded Case Circuit Breaker
- Installation/Operator:
- SiemensAG_00467_INST.pdf
- Type:
- Lever
- Catalog:
- SiemensAG_01698_17_52_17_126_18_47_CAT.pdf
- Country of Origin:
- Mexico
- Used On:
- Molded Case Circuit Breaker
MSRP $423.08Surplus $91.89 -
Siemens S01ED60 Shunt Trips
MSRP $1,558.00Surplus $238.37SKU: A13-1423 Brand: Siemens MPN: S01ED60 UPC: 78364323448 Shipping Weight: 0.95 lbs. Shipping Height: 3.00 In. Shipping Length: 7.00 In. Shipping Width: 6.00 In...- SKU:
- A13-1423
- Country of Origin:
- Mexico
- Used On:
- 125 A ED Frame Molded Case Circuit Breaker
- Short Description:
- 120 VAC, Shunt Trip for ED Frame Molded Case Circuit Breaker
- Type:
- Standard
- AC Voltage Rating:
- 120 V
- Installation/Operator:
- SiemensAG_00474_INST.pdf
- Catalog:
- SiemensAG_01698_17_81_CAT.pdf
MSRP $1,558.00Surplus $238.37
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