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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Contact Us For Quote
Siemens QL1 Circuit Breaker Accessories PK
MSRP $5.00Surplus $1.79Siemens QL1 Circuit Breaker Accessories PK​ ARCA SKU: C15-8993 Brand: Siemens MPN: QL1 UPC: Shipping Weight: 1.25 lbs. Shipping Height: 1.00 In. Shipping Length: 7.00 In...- SKU:
- C15-8993
- Type:
- Recessed Housing
- Installation/Operator:
- THOLIGINST00143.pdf
- Catalog:
- THOLIGE06859_450.pdf
MSRP $5.00Surplus $1.79 -
Siemens QN2150 Miniature Circuit Breakers (MCBs) QN 2P 150A 120/240VAC
MSRP $817.00Surplus $195.51SKU: C15-1495 Brand: Siemens MPN: QN2150 UPC: 783643204270 Shipping Weight: 1.60 lbs. Shipping Height: 2.50 In. Shipping Length: 7.70 In. Shipping Width: 4.10 In...- SKU:
- C15-1495
- Series:
- QN
- Type:
- Thermal Magnetic
- Type:
- Common Trip
- Approval:
- UL 489
- Size:
- 1.9 Inch W x 3.5 Inch D x 6.65 Inch H
- Volts:
- 120/240 VAC (UL)
- Amps:
- 32 A
- Used On:
- Loadcenter
- Poles:
- 2
- Mounting:
- Plug-On
- Interrupting Rating:
- 10 kA (UL)
- Terminal Type:
- Load Lug
- Wire Size:
- 1 AWG to 300 KCMIL (Copper/Aluminum)
- Short Description:
- 120/240 VAC, 150 A, 10 kA, 2-Pole, Plug-In Mount, QN Frame, Thermal Magnetic Trip Unit, Non-Reversible
- Catalog:
- SiemensAG_00564_7_24_CAT.pdf
- Data Sheet:
- SiemensAG_07116_1_DATA.pdf
- Number of Poles:
- 2
- Current Rating:
- 150 A
- Voltage Rating:
- 120/240 VAC (UL)
- Country of Origin:
- Mexico
MSRP $817.00Surplus $195.51 -
Siemens QN2175 Miniature Circuit Breakers (MCBs) EA
MSRP $700.00Surplus $267.29SKU: C15-10588 Brand: Siemens MPN: QN2175 UPC: 78364320428 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-10588
- TS PIK:
- 117091800
- Short Description:
- 120/240 VAC, 175 A, 10 kA, 2-Pole, Plug-On Mount, QN Frame, Thermal Magnetic Trip Unit, Non-Reversible, Main Circuit Breaker for Load Center
- Series:
- QN
- Type:
- Main/Branch, Common Trip
- Terminal Type:
- Load Lug
- Number of Poles:
- 2
- Mounting:
- Plug-On
- Interrupting Rating:
- 10 kA (UL)
- Voltage Rating:
- 120/240 VAC (UL)
- Size:
- 1.9 Inch W x 3.5 Inch D x 6.65 Inch H
- Current Rating:
- 175 A
- Data Sheet:
- SiemensAG_07119_1_DATA.pdf
- Catalog:
- SiemensAG_00564_7_24_CAT.pdf
- Used On:
- Loadcenter
- Wire Size:
- 1 AWG to 300 KCMIL (Copper/Aluminum)
- Country of Origin:
- Mexico
MSRP $700.00Surplus $267.29 -
Siemens QN2175H Miniature Circuit Breakers (MCBs) EA
MSRP $822.00Surplus $314.75SKU: C15-10589 Brand: Siemens MPN: QN2175H UPC: 78364320431 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-10589
- TS PIK:
- 117091803
- Country of Origin:
- Mexico
MSRP $822.00Surplus $314.75 -
Siemens QN2175R Miniature Circuit Breakers (MCBs) EA
MSRP $667.00Surplus $266.28SKU: C15-10590 Brand: Siemens MPN: QN2175R UPC: 78364320424 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-10590
- TS PIK:
- 117091798
- Country of Origin:
- Mexico
MSRP $667.00Surplus $266.28 -
Siemens QN2175RH Miniature Circuit Breakers (MCBs) EA
MSRP $822.00Surplus $335.02SKU: C15-10591 Brand: Siemens MPN: QN2175RH UPC: 78364321418 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-10591
- TS PIK:
- 117091806
- Country of Origin:
- Mexico
MSRP $822.00Surplus $335.02 -
Siemens QN2200 Miniature Circuit Breakers (MCBs) QN 2P 200A 120/240VAC
MSRP $817.00Surplus $195.51SKU: C15-1491 Brand: Siemens MPN: QN2200 UPC: 78364320429 Shipping Weight: 1.60 lbs. Shipping Height: 2.50 In. Shipping Length: 7.80 In. Shipping Width: 4.10 In...- SKU:
- C15-1491
- Series:
- QN
- Type:
- Thermal Magnetic
- Type:
- Main/Branch
- Type:
- Common Trip
- Approval:
- UL 489
- Size:
- 1.9 Inch W x 3.5 Inch D x 6.65 Inch H
- Volts:
- 120/240 VAC (UL)
- Amps:
- 32 A
- Used On:
- Loadcenter
- Poles:
- 2
- Mounting:
- Plug-On
- Interrupting Rating:
- 10 kA (UL)
- Terminal Type:
- Load Lug
- Wire Size:
- 1 AWG to 300 KCMIL (Copper/Aluminum)
- Short Description:
- 120/240 VAC, 200 A, 10 kA, 2-Pole, Plug-In Mount, QN Frame, Thermal Magnetic Trip Unit, Non-Reversible
- Catalog:
- SiemensAG_00564_7_24_CAT.pdf
- Data Sheet:
- SiemensAG_01530_1_DATA.pdf
- Voltage Rating:
- 120/240 VAC
- Number of Poles:
- 2
- Current Rating:
- 200 A
- Country of Origin:
- Mexico
MSRP $817.00Surplus $195.51 -
Siemens QN2200R Miniature Circuit Breakers (MCBs) QN 2P 200A 120/240VAC EA Inc Reverse Handle
MSRP $817.00Surplus $200.83Siemens QN2200R Miniature Circuit Breakers (MCBs) QN 2P 200A 120/240VAC EA Inc Reverse Handle​ ARCA SKU: C15-1496 Brand: Siemens MPN: QN2200R UPC: 783643204232 Shipping Weight: 1.55 Shipping...- SKU:
- C15-1496
- Approval:
- UL 489
- Amps:
- 200 A
- Interrupting Rating:
- 10 kA (UL)
- Mounting:
- Plug-On
- Poles:
- 2
- Size:
- 2.6 Inch W x 3.08 Inch D x 6.45 Inch H
- Terminal Type:
- Load Lug
- Type:
- Main/Branch
- Type:
- Common Trip
- Used On:
- Loadcenter
- Volts:
- 120/240 VAC (UL)
- Gauge:
- 1 AWG to 300 KCMIL (Copper/Aluminum)
- Short Description:
- 120/240 VAC, 200 A, 10 kA, 2-Pole, Plug-In Mount, QNR Frame, Thermal Magnetic Trip Unit, Reversible, Main Circuit Breaker for Load Center
- Series:
- QNR
- Data Sheet:
- SiemensAG_07122_1_DATA.pdf
- Voltage Rating:
- 120/240 VAC
- Catalog:
- SiemensAG_00564_7_24_CAT.pdf
- Wire Size:
- 1 AWG to 300 KCMIL (Copper/Aluminum)
- Current Rating:
- 200 A
- Number of Poles:
- 2
- Country of Origin:
- Mexico
MSRP $817.00Surplus $200.83 -
Contact Us For Quote
Siemens QP120 Miniature Circuit Breakers (MCBs) QP 1P 20A 240V 50/60Hz
MSRP $59.00Surplus $10.06Siemens QP120 Miniature Circuit Breakers (MCBs) QP 1P 20A 240V 50/60Hz​ ARCA SKU: C15-1634 Brand: Siemens MPN: QP120 UPC: Shipping Weight: 0.25 Shipping Height: 3.00 In. Shipping...- SKU:
- C15-1634
- Volts:
- 240 V
- Amps:
- 20 A
- Poles:
- 1
- Frequency Rating:
- 50/60 Hz
- Number of Poles:
- 1
- Current Rating:
- 20 A
- Series:
- QP
MSRP $59.00Surplus $10.06 -
Siemens QP2-B050 Miniature Circuit Breakers (MCBs)
MSRP $75.00Surplus $11.91Siemens QP2-B050 Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-8844 Brand: Siemens MPN: QP2-B050 UPC: Shipping Weight: 0.60 lbs. Shipping Height: 3.00 In. Shipping...- SKU:
- C15-8844
- Number of Poles:
- 2
MSRP $75.00Surplus $11.91 -
Contact Us For Quote
Siemens QPJ3125 Molded Case Breakers (MCCBs)
MSRP $1,625.50Surplus $517.74Siemens QPJ3125 Molded Case Breakers (MCCBs)​ ARCA SKU: C15-7640 Brand: Siemens MPN: QPJ3125 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0...- SKU:
- C15-7640
MSRP $1,625.50Surplus $517.74 -
Siemens QR22B125 Molded Case Breakers (MCCBs) EA
MSRP $1,046.00Surplus $375.00SKU: C15-10593 Brand: Siemens MPN: QR22B125 UPC: 80476613537 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-10593
- TS PIK:
- 127022977
- Country of Origin:
- Mexico
MSRP $1,046.00Surplus $375.00 -
Siemens QR23B125 Molded Case Breakers (MCCBs)
MSRP $2,569.00Surplus $731.50SKU: C15-8845 Brand: Siemens MPN: QR23B125 UPC: 80476613663 Shipping Weight: 3.95 lbs. Shipping Height: 4.00 In. Shipping Length: 8.00 In. Shipping Width: 5.00 In...- SKU:
- C15-8845
- TS PIK:
- 113289646
- Country of Origin:
- Mexico
MSRP $2,569.00Surplus $731.50 -
Siemens QR23B175 Molded Case Breakers (MCCBs) EA
MSRP $2,000.00Surplus $835.83SKU: C15-10599 Brand: Siemens MPN: QR23B175 UPC: 80476613665 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-10599
- TS PIK:
- 127022993
- Country of Origin:
- Mexico
- Frame Type:
- QR
- Voltage Rating:
- 240 VAC 50/60 Hertz
- Installation/Operator:
- SiemensAG_00598_INST.pdf
- Interrupting Rating:
- 10 kA at 240 VAC
- Current Rating:
- 175 A
- Catalog:
- SiemensAG_09175_17_1_17_10_CAT.pdf
- Terminal Type:
- Not Included
- Type:
- Molded Case, Low Vage, Thermal Magnetic
- Maximum AC Voltage Rating:
- 240 V
- Size:
- 4.5 Inch Width x 2.53 Inch Depth x 7 Inch Height
- Number of Poles:
- 3
MSRP $2,000.00Surplus $835.83 -
Siemens QR23B225 Molded Case Breakers (MCCBs) EA
MSRP $2,827.00Surplus $397.78SKU: C15-9349 Brand: Siemens MPN: QR23B225 UPC: 80476613667 Shipping Weight: 4.10 lbs. Shipping Height: 4.25 In. Shipping Length: 7.75 In. Shipping Width: 5.25 In...- SKU:
- C15-9349
- Frame Type:
- QR
- Voltage Rating:
- 240 VAC 50/60 Hertz
- Current Rating:
- 225 A
- Number of Poles:
- 3
- Maximum AC Voltage Rating:
- 240 V
- Type:
- Molded Case, Low Vage, Thermal Magnetic
- Terminal Type:
- Not Included
- Interrupting Rating:
- 10 kA at 240 VAC
- Catalog:
- SiemensAG_09175_17_1_17_10_CAT.pdf
- Size:
- 4.5 Inch Width x 2.53 Inch Depth x 7 Inch Height
- Installation/Operator:
- SiemensAG_00598_INST.pdf
- Short Description:
- BREAKER QR 3P 225A 240V 10kA
- Country of Origin:
- Mexico
MSRP $2,827.00Surplus $397.78 -
Siemens QRH22B100 Molded Case Breakers (MCCBs) EA
MSRP $2,200.00Surplus $761.08SKU: C15-10602 Brand: Siemens MPN: QRH22B100 UPC: 80476613620 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-10602
- TS PIK:
- 127183115
- Country of Origin:
- Mexico
MSRP $2,200.00Surplus $761.08 -
Siemens QRH22B125 Molded Case Breakers (MCCBs) EA
MSRP $2,496.00Surplus $826.20SKU: C15-10603 Brand: Siemens MPN: QRH22B125 UPC: 80476613621 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-10603
- TS PIK:
- 127022981
- Country of Origin:
- Mexico
MSRP $2,496.00Surplus $826.20 -
Siemens QRH22B150 Molded Case Breakers (MCCBs) EA
MSRP $2,000.00Surplus $660.08SKU: C15-10604 Brand: Siemens MPN: QRH22B150 UPC: 80476613622 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-10604
- TS PIK:
- 126908839
- Country of Origin:
- Mexico
MSRP $2,000.00Surplus $660.08 -
Siemens QRH22B175 Molded Case Breakers (MCCBs) EA
MSRP $2,496.00Surplus $769.20SKU: C15-10605 Brand: Siemens MPN: QRH22B175 UPC: 80476613623 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-10605
- TS PIK:
- 127022982
- Country of Origin:
- Mexico
MSRP $2,496.00Surplus $769.20 -
Siemens QRH22B200 Molded Case Breakers (MCCBs) EA
MSRP $2,000.00Surplus $717.08SKU: C15-10606 Brand: Siemens MPN: QRH22B200 UPC: 80476613624 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-10606
- TS PIK:
- 126824579
- Country of Origin:
- Mexico
MSRP $2,000.00Surplus $717.08
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