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 MP215AFC Molded Case Breakers (MCCBs) MP-AT 2P 15A 240V 50/60Hz 1Ph
MSRP $411.50Surplus $57.36Siemens MP215AFC Molded Case Breakers (MCCBs) MP-AT 2P 15A 240V 50/60Hz 1Ph​ ARCA SKU: C15-1483 Brand: Siemens MPN: MP215AFC UPC: 040892148930 Shipping Weight: 0.72 Shipping Height: 3.50...- SKU:
- C15-1483
- Frame Type:
- BRkR
- Voltage Rating:
- 240 V
- Current Rating:
- 15 A
- Number of Poles:
- 2
- Interrupting Rating:
- 22kA at 240 VAC
- Short Description:
- BRKR MP-AT2 AFCI 2P 240V 15A 10KA
- Country of Origin:
- PHL
MSRP $411.50Surplus $57.36 -
Siemens P215 Molded Case Breakers (MCCBs)
MSRP $103.00Surplus $70.15Siemens P215 Molded Case Breakers (MCCBs)​ ARCA SKU: C15-4675 Brand: Siemens MPN: P215 UPC: Shipping Weight: 0.50 lbs. Shipping Height: 4.00 In. Shipping Length: 4.00 In...- SKU:
- C15-4675
- Frame Type:
- P
- Voltage Rating:
- 240 V
- Current Rating:
- 15 A
- Number of Poles:
- 2
- Short Description:
- Siemens 15 A, 2 Pole, 240 V, Molded Case Circuit Breakers
- Country of Origin:
- United States
MSRP $103.00Surplus $70.15 -
Siemens Q3100 Miniature Circuit Breakers (MCBs)
MSRP $141.03Surplus $87.48SKU: C15-6275 Brand: Siemens MPN: Q3100 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- C15-6275
- TS PIK:
- 115704614
- Mounting:
- Plug-On
- Data Sheet:
- SiemensAG_01547_1_DATA.pdf
- Used On:
- Load Centre Main, Feeder
- Size:
- 3 Inch Width x 3 Inch Depth x 2 Inch Height
- Catalog:
- SiemensAG_01502_1_12_CAT.pdf
- Interrupting Rating:
- 10 kA
- Number of Poles:
- 3
- Current Rating:
- 100 A
- Voltage Rating:
- 240 V
- Type:
- Thermal Magnetic, Common Trip
- Short Description:
- 240 V, 100 A, 10 kA, 3-Pole, Plug-On, QP/MP Frame, Common Trip, Thermal Magnetic, Miniature, Circuit Breaker
- Country of Origin:
- Mexico
- Approval:
- UL 489
MSRP $141.03Surplus $87.48 -
Siemens Q3100H Miniature Circuit Breakers (MCBs) EA
MSRP $700.00Surplus $62.08SKU: C15-10560 Brand: Siemens MPN: Q3100H UPC: 78364317082 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-10560
- TS PIK:
- 21366919
- Short Description:
- 240 VAC, 100 A, 22 kA, 3-Pole, 8 to 2/0 AWG Copper/Aluminum, Load Lug Terminal, Plug-On Mount, QPH Frame, Common Trip, Thermal Magnetic Trip Unit, Miniature Circuit Breaker for Load Center
- Voltage Rating:
- 240 V
- Mounting:
- Plug-On
- Type:
- Thermal Magnetic
- Size:
- 3 Inch Width x 3 Inch Depth x 2 Inch Height
- Interrupting Rating:
- 22 kA
- Data Sheet:
- SiemensAG_07053_1_DATA.pdf
- Current Rating:
- 100 A
- Installation/Operator:
- SiemensAG_00215_INST.pdf
- Number of Poles:
- 3
- Used On:
- Load Centre Main, Feeder
- Catalog:
- SiemensAG_00562_1_41_1_46_1_47_CAT.pdf
- Country of Origin:
- Mexico
- Approval:
- UL 489
MSRP $700.00Surplus $62.08 -
Siemens Q315 Miniature Circuit Breakers (MCBs) 3P 15A
MSRP $127.36Surplus $52.65Siemens Q315 Miniature Circuit Breakers (MCBs) 3P 15A​ ARCA SKU: C15-6276 Brand: Siemens MPN: Q315 UPC: 66286200429 Shipping Weight: 0.90 lbs. Shipping Height: 4.00 In. Shipping...- SKU:
- C15-6276
- TS PIK:
- 115704615
- Used On:
- Load Centre Main, Feeder
- Short Description:
- 240 VAC, 15 A, 10 kA, 3-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
- Installation/Operator:
- SiemensAG_00215_INST.pdf
- Data Sheet:
- SiemensAG_07055_1_DATA.pdf
- Type:
- Thermal Magnetic, Common Trip
- Interrupting Rating:
- 10 kA
- Current Rating:
- 15 A
- Number of Poles:
- 3
- Size:
- 4 Inch Width x 12.8 Inch Depth x 3.4 Inch Height
- Voltage Rating:
- 240 V
- Catalog:
- SiemensAG_00562_1_41_1_46_1_47_CAT.pdf
- Mounting:
- Plug-On
- Country of Origin:
- MEX
- Approval:
- UL 489
MSRP $127.36Surplus $52.65 -
Siemens Q325 Other Circuit Breakers Q 3P 25A 240V 50/60Hz 3Ph EA
MSRP $622.50Surplus $79.80Siemens Q325 Other Circuit Breakers Q 3P 25A 240V 50/60Hz 3Ph EA​ ARCA SKU: C15-4735 Brand: Siemens MPN: Q325 UPC: 783643156753 Shipping Weight: 0.95 Shipping Height: 3.00 In. Shipping...- SKU:
- C15-4735
- Type:
- Thermal Magnetic
- Type:
- Common Trip
- Approval:
- UL 489
- Size:
- 3 Inch Width x 3 Inch Depth x 3 Inch Height
- Volts:
- 240 V
- Amps:
- 32 A
- Used On:
- Load Centre Main
- Used On:
- Feeder
- Poles:
- 3
- Mounting:
- Plug-On
- Interrupting Rating:
- 10 kA
- Short Description:
- 240 VAC, 25 A, 10 kA, 3-Pole, 14 to 6 AWG Copper/Aluminum, Load Lug Terminal, Plug-In Mount, QP Frame, Common Trip, Thermal Magnetic Trip Unit
- Catalog:
- SiemensAG_00562_1_41_1_46_1_47_CAT.pdf
- Data Sheet:
- SiemensAG_07059_1_DATA.pdf
- Installation/Operator:
- SiemensAG_00215_INST.pdf
- Current Rating:
- 25 A
- Voltage Rating:
- 240 V
- Number of Poles:
- 3
- Country of Origin:
- Mexico
MSRP $622.50Surplus $79.80 -
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Siemens Q335 Molded Case Breakers (MCCBs)
MSRP $211.00Surplus $56.97SKU: C15-17567 Brand: Siemens MPN: Q335 UPC: 78364317104 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-17567
- Interrupting Rating:
- 10 kA
- Installation/Operator:
- SiemensAG_00215_INST.pdf
- Used On:
- Load Centre Main, Feeder
- Catalog:
- SiemensAG_00562_1_41_1_46_1_47_CAT.pdf
- Data Sheet:
- SiemensAG_07062_1_DATA.pdf
- Mounting:
- Plug-On
- Current Rating:
- 35 A
- Voltage Rating:
- 240 V
- Number of Poles:
- 3
- Approval:
- UL 489
- Size:
- 3 Inch Width x 3 Inch Depth x 3 Inch Height
- Type:
- Thermal Magnetic
- Short Description:
- 240 VAC, 35 A, 10 kA, 3-Pole, 14 to 6 AWG Copper/Aluminum, Load Lug Terminal, Plug-On Mount, QP Frame, Common Trip, Thermal Magnetic Trip Unit, Miniature Circuit Breaker for Load Center
- Country of Origin:
- MEX
MSRP $211.00Surplus $56.97 -
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Siemens Q345 Miniature Circuit Breakers (MCBs)
MSRP $322.50Surplus $76.03SKU: C15-6277 Brand: Siemens MPN: Q345 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- C15-6277
- Interrupting Rating:
- 10 kA
- Size:
- 3 Inch Width x 3 Inch Depth x 3 Inch Height
- Catalog:
- SiemensAG_00562_1_41_1_46_1_47_CAT.pdf
- Number of Poles:
- 3
- Type:
- Thermal Magnetic
- Voltage Rating:
- 240 V
- Short Description:
- 240 VAC, 45 A, 10 kA, 3-Pole, 8 to 6 AWG Copper/8 to 4 AWG Aluminum, Load Lug Terminal, Plug-On Mount, QP Frame, Common Trip, Thermal Magnetic Trip Unit, Miniature Circuit Breaker for Load Center
- Mounting:
- Plug-On
- Current Rating:
- 45 A
- Data Sheet:
- SiemensAG_07065_1_DATA.pdf
- Used On:
- Load Centre Main, Feeder
- Installation/Operator:
- SiemensAG_00215_INST.pdf
- TS PIK:
- 21366646
- Approval:
- UL 489
- Country of Origin:
- MEX
MSRP $322.50Surplus $76.03 -
Siemens Q350 Miniature Circuit Breakers (MCBs)
MSRP $61.62Surplus $71.82Siemens Q350 Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-6221 Brand: Siemens MPN: Q350 UPC: 66286200435 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping...- SKU:
- C15-6221
- TS PIK:
- 115704615
- Short Description:
- 240 VAC, 50 A, 10 kA, 3-Pole, 8 to 6 AWG Copper/8 to 4 AWG Aluminum, Load Lug Terminal, Plug-On Mount, QP Frame, Common Trip, Thermal Magnetic Trip Unit, Miniature Circuit Breaker for Load Center
- Voltage Rating:
- 240 V
- Current Rating:
- 50 A
- Type:
- Thermal Magnetic, Common Trip
- Number of Poles:
- 3
- Mounting:
- Plug-On
- Catalog:
- SiemensAG_00562_1_41_1_46_1_47_CAT.pdf
- Installation/Operator:
- SiemensAG_00215_INST.pdf
- Interrupting Rating:
- 10 kA
- Data Sheet:
- SiemensAG_07066_1_DATA.pdf
- Used On:
- Load Centre Main, Feeder
- Size:
- 6 Inch Width x 7 Inch Depth x 4 Inch Height
- Country of Origin:
- Mexico
- Approval:
- UL 489
MSRP $61.62Surplus $71.82 -
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Siemens Q360 Miniature Circuit Breakers (MCBs)
MSRP $510.53Surplus $102.89SKU: C15-8488 Brand: Siemens MPN: Q360 UPC: 78312611782 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-8488
- TS PIK:
- 21332082
- Country of Origin:
- MEX
- Short Description:
- 240 V, 60 A, 10 kA, 3-Pole, Plug-On, QP/MP Frame, Common Trip, Thermal Magnetic, Miniature, Circuit Breaker
- Mounting:
- Plug-On
- Current Rating:
- 60 A
- Approval:
- UL 489
- Voltage Rating:
- 240 V
- Catalog:
- SiemensAG_01502_1_12_CAT.pdf
- Used On:
- Load Centre Main, Feeder
- Data Sheet:
- SiemensAG_01549_1_DATA.pdf
- Interrupting Rating:
- 10 kA
- Size:
- 3 Inch Width x 3 Inch Depth x 3 Inch Height
- Number of Poles:
- 3
- Type:
- Thermal Magnetic, Common Trip
MSRP $510.53Surplus $102.89 -
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Siemens Q390 Molded Case Breakers (MCCBs)
MSRP $88.66Surplus $23.94SKU: C15-19057 Brand: Siemens MPN: Q390 UPC: 66286200439 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-19057
- Voltage Rating:
- 240 V
- Number of Poles:
- 3
- Country of Origin:
- MEX
- Current Rating:
- 90 A
- Size:
- 3.7 Inch Width x 12.8 Inch Depth x 3.4 Inch Height
- Type:
- Thermal Magnetic, Common Trip
- Approval:
- UL 489
- Catalog:
- SiemensAG_00562_1_41_1_46_1_47_CAT.pdf
- Data Sheet:
- SiemensAG_07076_1_DATA.pdf
- Short Description:
- 240 VAC, 90 A, 10 kA, 3-Pole, 8 to 2/0 AWG Copper/Aluminum, Load Lug Terminal, Plug-On Mount, QP Frame, Common Trip, Thermal Magnetic Trip Unit, Miniature Circuit Breaker for Load Center
- Installation/Operator:
- SiemensAG_00215_INST.pdf
- Mounting:
- Plug-On
- Used On:
- Load Centre Main, Feeder
- Interrupting Rating:
- 10 kA
MSRP $88.66Surplus $23.94 -
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Siemens QJH23B060 Molded Case Breakers (MCCBs)
MSRP $1,096.00Surplus $295.92SKU: C15-17717 Brand: Siemens MPN: QJH23B060 UPC: 78364320115 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-17717
- Current Rating:
- 60 A
- Voltage Rating:
- 240 V
- Short Description:
- BRKR QJH2 3P 240V 60A 22kA
- Type:
- Low Vage, Trip Free Mechanism
- Terminal Type:
- Not Included
- Country of Origin:
- MEX
- Interrupting Rating:
- 22 kA
- Number of Poles:
- 3
MSRP $1,096.00Surplus $295.92 -
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Siemens QJH23B110 Molded Case Breakers (MCCBs)
MSRP $1,121.00Surplus $465.34SKU: U00-8559 Brand: Siemens MPN: QJH23B110 UPC: 78364320120 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- U00-8559
- Number of Poles:
- 3
- Current Rating:
- 110 A
- Terminal Type:
- Not Included
- Interrupting Rating:
- 22 kA
- Voltage Rating:
- 240 V
- Short Description:
- BRKR QJH2 3P 240V 110A 22kA
- Type:
- Low Vage, Trip Free Mechanism
- Country of Origin:
- MEX
MSRP $1,121.00Surplus $465.34 -
Square D Q2L3225H Molded Case Breakers (MCCBs)
MSRP $2,497.32Surplus $428.00SKU: C15-2189 Brand: Square D MPN: Q2L3225H UPC: Shipping Weight: 3.80 lbs. Shipping Height: 5.00 In. Shipping Length: 8.00 In. Shipping Width: 5.00 In. Product...- SKU:
- C15-2189
- Frame Type:
- Q
- Voltage Rating:
- 240 V
- Current Rating:
- 225 A
- Number of Poles:
- 3
- Short Description:
- Q2L3225H Molded Case Circuit Breaker manufactured by Square D. Key features include 225 Aerage, Feed-Thru Connection, LI - Long-Time and Instantaneous Functions, 3 Phase, 3 Poles
- Series:
- Q
- Number of Phases:
- 3
- Country of Origin:
- United States
MSRP $2,497.32Surplus $428.00 -
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Square D Q2M2150 Main Breakers Q2M 2P 150A 120V 50/60Hz
MSRP $366.50Surplus $215.75Square D Q2M2150 Main Breakers Q2M 2P 150A 120V 50/60Hz​ ARCA SKU: C15-2185 Brand: Square D MPN: Q2M2150 UPC: 785901031185 Shipping Weight: 2.60 Shipping Height: 5.00 In. Shipping...- SKU:
- C15-2185
- Series:
- Q2
- Volts:
- 120 V
- Amps:
- 150 A
- Poles:
- 2
- Frequency Rating:
- 50/60 Hz
- Short Description:
- Q2M, 150 Amp, 2 Pole, 240 Volt, Molded Case Circuit Breakers from Square-D
- Number of Poles:
- 2
- Voltage Rating:
- 240 V
- Current Rating:
- 150 A
MSRP $366.50Surplus $215.75 -
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Square D QO2000NRB Molded Case Breakers (MCCBs)
MSRP $633.00Surplus $170.91SKU: C15-12267 Brand: Square D MPN: QO2000NRB UPC: 78590153953 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-12267
- Short Description:
- 240 VAC 50/60 Hz, 100 A, 10 kA, 2-Pole, Plug-On Mount, Box Lug Terminal, NEMA 3R, Molded Case Switch
- Series:
- E1
- Prop 65 Warning:
- Yes
- Voltage Rating:
- 240 V
- Number of Poles:
- 2
- Catalog:
- SchneiderElectric-SquareD_03264_1_45_CAT.pdf
- Current Rating:
- 100 A
- Used On:
- QO Series Loadcenter
- Data Sheet:
- SchneiderElectric-SquareD_14915_1_2_DATA.pdf
- Type:
- Molded Case
- Installation/Operator:
- SchneiderElectric-SquareD_00889_INST.pdf
- Size:
- 7.75 Inch W x 4.5 Inch D x 14 Inch H
MSRP $633.00Surplus $170.91 -
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Square D QO2000NS Molded Case Breakers (MCCBs)
MSRP $276.00Surplus $67.12Square D QO2000NS Molded Case Breakers (MCCBs)​ ARCA SKU: C15-6634 Brand: Square D MPN: QO2000NS UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping...- SKU:
- C15-6634
- Prop 65 Warning:
- Yes
- Size:
- 6.13 Inch W x 3.5 Inch D x 13.38 Inch H
- Series:
- E1
- Number of Poles:
- 2
- Data Sheet:
- SchneiderElectric-SquareD_14916_1_2_DATA.pdf
- Current Rating:
- 100 A
- Short Description:
- 240 VAC 50/60 Hz, 100 A, 10 kA, 2-Pole, Plug-On Mount, Box Lug Terminal, NEMA 1, Molded Case Switch
- Type:
- Molded Case
- Voltage Rating:
- 240 V
- Catalog:
- SchneiderElectric-SquareD_03264_1_45_CAT.pdf
- Country of Origin:
- Mexico
- Used On:
- QO Series Loadcenter
MSRP $276.00Surplus $67.12 -
THQL32050ST1 Miniature Circuit Breakers (MCBs) THQL 3P 50A 120V
MSRP $650.00Surplus $277.20SKU: C15-2600 Brand: MPN: THQL32050ST1 UPC: 783164074086 Shipping Weight: 1.40 lbs. Shipping Height: 3.00 In. Shipping Length: 3.50 In. Shipping Width: 4.00 In...- SKU:
- C15-2600
- Type:
- Thermal Magnetic
- Type:
- Common Trip
- Volts:
- 240 V
- Amps:
- 32 A
- Poles:
- 3
- Interrupting Rating:
- 10 kA
- Short Description:
- 120/240 VAC, 50 A, 10 kA Interrupt, 3-Pole, 8 to 3 AWG Aluminum/Copper Load Lug Terminal, 1" Plug-In Mount, Q-Line Frame, Internal Common Trip, Compact, Fixed Thermal Magnetic
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00542_1_10_CAT.pdf
- Current Rating:
- 50 A
- Voltage Rating:
- 240 V
- Number of Poles:
- 3
- Country of Origin:
- United States
MSRP $650.00Surplus $277.20 -
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Westinghouse SF-423151 Molded Case Breakers (MCCBs) EB 3P 20A 240V 50/60Hz 3Ph
MSRP $470.00Surplus $85.55Westinghouse SF-423151 Molded Case Breakers (MCCBs) EB 3P 20A 240V 50/60Hz 3Ph​ ARCA SKU: C15-4527 Brand: Westinghouse MPN: SF-423151 UPC: Shipping Weight: 3.05 Shipping Height: 4...- SKU:
- C15-4527
- Voltage Rating:
- 240 V
- Current Rating:
- 20 A
- Number of Poles:
- 3
- Short Description:
- EB 3P 20A 240V 50/60Hz 3Ph
MSRP $470.00Surplus $85.55 -
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Westinghouse SF-423152 Molded Case Breakers (MCCBs) EB 3P 30A 240V 50/60Hz 3Ph
MSRP $195.00Surplus $70.20Westinghouse SF-423152 Molded Case Breakers (MCCBs) EB 3P 30A 240V 50/60Hz 3Ph​ ARCA SKU: C15-4528 Brand: Westinghouse MPN: SF-423152 UPC: Shipping Weight: 4.00 Shipping Height: 5...- SKU:
- C15-4528
- Voltage Rating:
- 240 V
- Current Rating:
- 30 A
- Number of Poles:
- 3
- Short Description:
- EB 3P 30A 240V 50/60Hz 3Ph
MSRP $195.00Surplus $70.20
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