
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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Square D QO2150 Miniature Circuit Breakers (MCBs)
MSRP $491.00Surplus $396.34Square D QO2150 Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-6534 Brand: Square D MPN: QO2150 UPC: 78590130002 Shipping Weight: 2.60 lbs. Shipping Height: 5.00 In. Shipping...- SKU:
- C15-6534
- TS PIK:
- 109595158
- Data Sheet:
- SchneiderElectric-SquareD_53481_1-3_DATA.pdf
- Size:
- 1.5 Inch Width x 2.91 Inch Depth x 3.5 Inch Height
- Installation/Operator:
- SchneiderElectric-SquareD_01265_INST.pdf
- Catalog:
- SchneiderElectric-SquareD_32357_1_2_1_3_CAT.pdf
- Mounting:
- Plug-On
- Short Description:
- 120/240 VAC 50/60 Hz, 150 A, 10 kA Interrupt, 2-Pole, 1 AWG to 300 KCMIL Copper/Aluminum, Plug-In Mount, Box Lug Terminal, Standard, Miniature Circuit Breaker
- Current Rating:
- 150 A
- Voltage Rating:
- 120/240 VAC 50/60 Hertz
- Interrupting Rating:
- 10 kA
- CAD Drawings:
- SchneiderElectric_30261_1_CAD.pdf
- Terminal Type:
- Box Lug
- Series:
- QO
- Number of Poles:
- 2
- Type:
- Common Trip, Miniature, Standard
- Used On:
- QO Load Center, NQ/NQOD Panelboard/OEM Interior/Speed-D Switchboard Distribution Panel
- Wire Size:
- 1 AWG to 300 KCMIL (Copper/Aluminum)
- Country of Origin:
- United States
- Approval:
- UL, CSA
MSRP $491.00Surplus $396.34 -
Eaton CH2150 Miniature Circuit Breakers (MCBs) CH 2P 150A 240V 50/60Hz 1Ph
MSRP $856.00Surplus $478.80SKU: C15-1399 Brand: Eaton MPN: CH2150 UPC: 782113298795 Shipping Weight: 1.95 lbs. Shipping Height: 4.00 In. Shipping Length: 10.00 In. Shipping Width: 5.00 In...- SKU:
- C15-1399
- Series:
- CH
- Type:
- Thermal Magnetic
- Type:
- Common Trip
- Approval:
- UL 489
- Approval:
- CSA
- Volts:
- 120/240 VAC
- Amps:
- 32 A
- Used On:
- CH Series Loadcenter
- Poles:
- 2
- Mounting:
- Plug-On
- Interrupting Rating:
- 10 kA
- Wire Size:
- 3/0 AWG (Aluminum/Copper)
- Short Description:
- 120/240 VAC, 150 A, 10 kA, 2-Pole, Common Trip, Thermal Magnetic
- Current Rating:
- 150 A
- Voltage Rating:
- 120/240 VAC
- Number of Poles:
- 2
- Country of Origin:
- Dominican Republic
MSRP $856.00Surplus $478.80 -
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Crouse-Hinds CH2150 Miniature Circuit Breakers (MCBs)
MSRP $817.18Surplus $474.16SKU: C15-5678 Brand: Crouse-Hinds MPN: CH2150 UPC: 78211329879 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-5678
- TS PIK:
- 534872
- Type:
- Thermal Magnetic, Common Trip
- Series:
- CH
- Current Rating:
- 150 A
- Mounting:
- Plug-On
- Number of Poles:
- 2
- Short Description:
- 120/240 VAC, 150 A, 10 kA, 2-Pole, Common Trip, Thermal Magnetic, Circuit Breaker
- Interrupting Rating:
- 10 kA
- Used On:
- CH Series Loadcenter
- Voltage Rating:
- 120/240 VAC
- Wire Size:
- 3/0 AWG (Aluminum/Copper)
- Approval:
- UL 489, CSA
MSRP $817.18Surplus $474.16 -
Eaton BJ3150 Molded Case Breakers (MCCBs)
MSRP $3,023.00Surplus $1,209.20SKU: U00-7882 Brand: Eaton MPN: BJ3150 UPC: 78667636835 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- U00-7882
- Short Description:
- 240 VAC, 150 A, 10 kA, 3-Pole, Plug-On Mount, Common Trip, Thermal Magnetic, Main, Circuit Breaker
- Series:
- BJ
- Current Rating:
- 150 A
- Catalog:
- Eaton_36620_V1T1_83_V1T1_90_V1T1_91_CAT.pdf
- Used On:
- BR Series Loadcenter
- Interrupting Rating:
- 10 kA
- Wire Size:
- 2 AWG to 300 KCMIL (Aluminum/Copper)
- Type:
- Thermal Magnetic, Common Trip
- Mounting:
- Plug-On
- Number of Poles:
- 3
- Voltage Rating:
- 240 VAC
- Approval:
- UL 489
MSRP $3,023.00Surplus $1,209.20 -
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Eaton BR2150 Miniature Circuit Breakers (MCBs) BR 2P 150A 240V 50/60Hz 1Ph
MSRP $598.86Surplus $638.40SKU: C15-1221 Brand: Eaton MPN: BR2150 UPC: 786676101950 Shipping Weight: 0.75 lbs. Shipping Height: 3.00 In. Shipping Length: 3.00 In. Shipping Width: 2.00 In...- SKU:
- C15-1221
- Series:
- BR
- Type:
- Thermal Magnetic
- Approval:
- UL 489
- Volts:
- 120/240 VAC
- Amps:
- 32 A
- Used On:
- BR Series Loadcenter
- Poles:
- 2
- Mounting:
- Plug-On
- Interrupting Rating:
- 10 kA
- Wire Size:
- 4 to 2/0 AWG (Aluminum/Copper)
- Short Description:
- 120/240 VAC, 150 A, 10 kA, 2-Pole, Plug-On Mount, Thermal Magnetic
- Catalog:
- Eaton_36620_V1T1_84_CAT.pdf
- Current Rating:
- 150 A
- Voltage Rating:
- 120/240 V AC
MSRP $598.86Surplus $638.40 -
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Eaton BW2150 Main Breakers
MSRP $526.13Surplus $154.96SKU: C15-2089 Brand: Eaton MPN: BW2150 UPC: 78667646040 Shipping Weight: 2.55 lbs. Shipping Height: 5.00 In. Shipping Length: 7.00 In. Shipping Width: 5.00 In...- SKU:
- C15-2089
- Series:
- BW
- Type:
- Main
- Volts:
- 120/240 VAC
- Amps:
- 32 A
- Used On:
- BR Series Load Center
- Poles:
- 2
- Mounting:
- Plug-On
- Interrupting Rating:
- 10 kA
- Wire Size:
- 2 AWG to 300 KCMIL (Copper/Aluminum)
- TS PIK:
- 21494725
- Current Rating:
- 150 A
- Voltage Rating:
- 120/240 VAC
- Number of Poles:
- 2
- Short Description:
- 120/240 VAC, 150 A, 10 kA, 2-Pole, Plug-On Mount, Main, Circuit Breaker
- Catalog:
- Eaton_36620_V1T4_37_V1T4_38_V1T4_56_V1T4_60_CAT.pdf
MSRP $526.13Surplus $154.96 -
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Siemens Q2150B Molded Case Breakers (MCCBs) 2P 120/240V
MSRP $358.98Surplus $80.61Siemens Q2150B Molded Case Breakers (MCCBs) 2P 120/240V​ ARCA SKU: E30-8905 Brand: Siemens MPN: Q2150B UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping...- SKU:
- E30-8905
- Current Rating:
- 150 A
- Country of Origin:
- MEX
- Number of Poles:
- 2
- Interrupting Rating:
- 10 kA
- Wire Size:
- 1/0 AWG (Copper), 3/0 AWG (Aluminum)
- Short Description:
- 120/240 VAC, 150 A, 10 kA, 2-Pole, 1/0 AWG Copper/3/0 AWG Aluminum, Load Lug Terminal, Plug-On Mount, QPP Frame, Thermal Magnetic Trip Unit, Miniature Circuit Breaker for Load Center
- Catalog:
- SiemensAG_00562_1_45-1_47_CAT.pdf
- Used On:
- Loadcenter
- Size:
- 4 Inch W x 4.54 Inch H
- Data Sheet:
- SiemensAG_06993_1_DATA.pdf
- Mounting:
- Plug-On
- Type:
- Molded Case, Thermal and Fixed Magnetic Trip, Common Trip
- Voltage Rating:
- 120/240 VAC at 50/60 Hz
- Approval:
- UL 489, CSA C22.2
- Terminal Type:
- Load Lug
MSRP $358.98Surplus $80.61 -
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Siemens Q2150BH Molded Case Breakers (MCCBs)
MSRP $398.00Surplus $107.46SKU: C15-17526 Brand: Siemens MPN: Q2150BH UPC: 78364314884 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-17526
- Current Rating:
- 150 A
- Number of Poles:
- 2
- Interrupting Rating:
- 22 kA
- Voltage Rating:
- 120/240 VAC at 50/60 Hz
- Short Description:
- 120/240 VAC, 150 A, 22 kA, 2-Pole, 1/0 AWG Copper/3/0 AWG Aluminum, Load Lug Terminal, Plug-On Mount, QPPH Frame, Common Trip, Thermal Magnetic Trip Unit, Miniature Circuit Breaker for Load Center
- Terminal Type:
- Load Lug
- Country of Origin:
- MEX
- Size:
- 4 Inch W x 4.54 Inch H
- Type:
- Molded Case, Thermal and Fixed Magnetic Trip, Common Trip
- Approval:
- UL 489, CSA C22.2
- Catalog:
- SiemensAG_00562_1_45-1_47_CAT.pdf
- Wire Size:
- 1/0 AWG (Copper), 3/0 AWG (Aluminum)
- Used On:
- Loadcenter
- Data Sheet:
- SiemensAG_06994_1_DATA.pdf
- Mounting:
- Plug-On
MSRP $398.00Surplus $107.46 -
Siemens QN2150 Miniature Circuit Breakers (MCBs) QN 2P 150A 120/240VAC
MSRP $817.00Surplus $196.84SKU: 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 $196.84 -
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Siemens QN2150H Molded Case Breakers (MCCBs)
MSRP $298.76Surplus $80.67SKU: C15-19062 Brand: Siemens MPN: QN2150H UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- C15-19062
- Voltage Rating:
- 240 VAC
- Number of Poles:
- 2
- Approval:
- UL
- Type:
- Thermal Magnetic
- Interrupting Rating:
- 22 kA
- Country of Origin:
- MEX
- Current Rating:
- 150 A
- Short Description:
- 240 VAC, 150 A, 22 kA Interrupt Rating, 2-Pole, 4 AWG to 300 KCMIL Copper/Aluminum, Left Facing Handle, Common Trip, Small Frame Circuit Breaker
- Catalog:
- Milbank_00065_60_CAT.pdf
- Mounting:
- Plug-On
- Wire Size:
- 4 AWG to 300 KCMIL (Copper/Aluminum)
MSRP $298.76Surplus $80.67 -
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Siemens QN2150R Molded Case Breakers (MCCBs)
MSRP $269.00Surplus $72.63SKU: C15-19063 Brand: Siemens MPN: QN2150R UPC: 66286256753 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-19063
- Short Description:
- 120/240 VAC, 150 A, 10 kA, 2-Pole, Plug-On Mount, QNR Frame, Thermal Magnetic Trip Unit, Reversible, Main Circuit Breaker for Load Center
- Number of Poles:
- 2
- Country of Origin:
- USA
- Series:
- QN
- Data Sheet:
- SiemensAG_07117_1_DATA.pdf
- Terminal Type:
- Load Lug
- Catalog:
- SiemensAG_00564_7_24_CAT.pdf
- Wire Size:
- 1 AWG to 300 KCMIL (Copper/Aluminum)
- Mounting:
- Plug-On
- Size:
- 2.6 Inch W x 3.08 Inch D x 6.45 Inch H
- Type:
- Main/Branch, Common Trip
- Interrupting Rating:
- 10 kA (UL)
- Approval:
- UL 489
- Current Rating:
- 150 A
- Voltage Rating:
- 120/240 VAC (UL)
- Used On:
- Loadcenter
MSRP $269.00Surplus $72.63 -
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Siemens QN2150RH Molded Case Breakers (MCCBs)
MSRP $280.46Surplus $75.73SKU: C15-19064 Brand: Siemens MPN: QN2150RH UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- C15-19064
- Number of Poles:
- 2
- Type:
- Main/Branch, Common Trip
- Approval:
- UL 489
- Mounting:
- Plug-On
- Series:
- QNH
- Terminal Type:
- Load Lug
- Country of Origin:
- MEX
- Wire Size:
- 1 AWG to 300 KCMIL (Copper/Aluminum)
- Catalog:
- SiemensAG_00564_7_24_CAT.pdf
- Interrupting Rating:
- 22 kA (UL)
- Size:
- 2.6 Inch W x 3.08 Inch D x 6.45 Inch H
- Short Description:
- 120/240 VAC, 150 A, 22 kA, 2-Pole, Plug-On Mount, QNRH Frame, Thermal Magnetic Trip Unit, Reversible, Main Circuit Breaker for Load Center
- Voltage Rating:
- 120/240 VAC (UL)
- Used On:
- Loadcenter
- Data Sheet:
- SiemensAG_07118_1_DATA.pdf
- Current Rating:
- 150 A
MSRP $280.46Surplus $75.73 -
Square D HOM2150 Miniature Circuit Breakers (MCBs) HOM 2P 150A 240V 50/60Hz 1Ph
MSRP $446.00Surplus $218.12Square D HOM2150 Miniature Circuit Breakers (MCBs) HOM 2P 150A 240V 50/60Hz 1Ph​ ARCA SKU: C15-4798 Brand: Square D MPN: HOM2150 UPC: 785901065838 Shipping Weight: 1.75 Shipping Height: 4...- SKU:
- C15-4798
- Type:
- Miniature
- Type:
- Thermal Magnetic
- Type:
- Common Trip
- Approval:
- UL
- Approval:
- CSA
- Volts:
- 120/240 VAC at 50/60 Hz (UL/CSA)
- Amps:
- 32 A
- Used On:
- Homeline Loadcenter
- Poles:
- 2
- Mounting:
- Plug-On
- Interrupting Rating:
- 10 kA
- Terminal Type:
- Screw ClA
- Wire Size:
- 4 AWG to 300 KCMIL (Aluminum/Copper)
- Short Description:
- 120/240 VAC, 150 A, 10 kA Interrupt, 4-Pole, 4 AWG to 300 KCMIL Aluminum/Copper, Plug-In Mount, Box Lug Terminal
- Catalog:
- SchneiderElectric_00257_1_35_CAT.pdf
- Data Sheet:
- SchneiderElectric-SquareD_13439_1_2_DATA.pdf
- Installation/Operator:
- SchneiderElectric-SquareD_00099_INST.pdf
- Voltage Rating:
- 120/240 VAC at 50/60 Hz (UL/CSA)
- Number of Poles:
- 2
- Current Rating:
- 150 A
- Country of Origin:
- Mexico
MSRP $446.00Surplus $218.12 -
Square D HOM2150BB Molded Case Breakers (MCCBs)
MSRP $539.58Surplus $358.82SKU: U00-8214 Brand: Square D MPN: HOM2150BB UPC: 78590129620 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- U00-8214
- Short Description:
- 120/240 VAC, 150 A, 10 kA Interrupt, 4-Pole, 4 AWG to 300 KCMIL Aluminum/Copper, Plug-On Mount, Box Lug Terminal, Standard
- Number of Poles:
- 2
- Voltage Rating:
- 120/240 VAC at 50/60 Hz (UL/CSA)
- Current Rating:
- 150 A
- Type:
- Miniature, Thermal Magnetic, Branch, Common Trip
- Terminal Type:
- Screw ClA
- Data Sheet:
- SchneiderElectric-SquareD_13440_1-3_DATA.pdf
- Used On:
- Homeline Loadcenter
- Mounting:
- Plug-On
- Installation/Operator:
- SchneiderElectric-SquareD_00773_INST.pdf
- Wire Size:
- 4 AWG to 300 KCMIL (Aluminum/Copper)
- Interrupting Rating:
- 10 kA
- Catalog:
- SchneiderElectric_00257_1_19_1_39_7_22_CAT.pdf
- Approval:
- UL, CSA
MSRP $539.58Surplus $358.82 -
Square D QO2150VH Miniature Circuit Breakers (MCBs)
MSRP $1,061.00Surplus $587.25SKU: C15-10883 Brand: Square D MPN: QO2150VH UPC: 78590146388 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-10883
- TS PIK:
- 119698912
- Series:
- QO
- Short Description:
- 120/240 VAC 50/60 Hz, 150 A, 22 kA Interrupt, 2-Pole, 1 AWG to 300 KCMIL Copper/Aluminum, Plug-On Mount, Box Lug Terminal, Standard, Miniature Circuit Breaker
- Size:
- 2.99 Inch Width x 4.88 Inch Depth x 5.71 Inch Height
- Interrupting Rating:
- 22 kA
- Mounting:
- Plug-On
- Number of Poles:
- 2
- Current Rating:
- 150 A
- Terminal Type:
- Box Lug
- Voltage Rating:
- 120/240 VAC 50/60 Hertz
- Wire Size:
- 1 AWG to 300 KCMIL (Copper/Aluminum)
- Installation/Operator:
- SchneiderElectric-SquareD_01265_INST.pdf
- Type:
- Common Trip, Miniature, Standard
- Used On:
- QO Load Center, NQ/NQOD Panelboard/OEM Interior/Speed-D Switchboard Distribution Panel
- Data Sheet:
- SchneiderElectric-SquareD_53482_1_2_DATA.pdf
- Catalog:
- SchneiderElectric-SquareD_32357_1_2_1_3_CAT.pdf
- Approval:
- UL, CSA
MSRP $1,061.00Surplus $587.25
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.