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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Cutler-Hammer BD3030 Miniature Circuit Breakers (MCBs) 120V NULL EA
MSRP $120.91Surplus $12.44Cutler-Hammer BD3030 Miniature Circuit Breakers (MCBs) 120V NULL EA​ ARCA SKU: C15-1126 Brand: Cutler-Hammer MPN: BD3030 UPC: 78667636950 Shipping Weight: 0.35 lbs. Shipping...- SKU:
- C15-1126
- Series:
- BD
- Type:
- Full Vage
- Type:
- Non-Reversing
- Approval:
- UL 489
- Volts:
- 120 VAC
- Amps:
- 32 A
- Used On:
- Loadcenter
- Poles:
- 3
- Mounting:
- Plug-On
- Interrupting Rating:
- 10 kA
- Enclosure:
- IP00
- Wire Size:
- 14 to 4 AWG (Aluminum/Copper)
- Short Description:
- 120 VAC, 30 A, 10 kA, 1-Pole, Plug-On Mount, BD Breaker, Duplex, Thermal Magnetic
- Catalog:
- Eaton_36620_V1T1_87_CAT.pdf
- Data Sheet:
- Eaton_56070_1-14_DATA.pdf
- Installation/Operator:
- Eaton_00653_INST.pdf
- CAD Drawing:
- Eaton_21606_1_CAD.pdf
- TS PIK:
- 21493939
- Number of Poles:
- 3
- Current Rating:
- 30 A
- Voltage Rating:
- 120 VAC
- Country of Origin:
- Dominican Republic
MSRP $120.91Surplus $12.44 -
Square D QO330 Miniature Circuit Breakers (MCBs) 3P 30A 240V
MSRP $248.00Surplus $76.00Square D QO330 Miniature Circuit Breakers (MCBs) 3P 30A 240V​ ARCA SKU: C15-6647 Brand: Square D MPN: QO330 UPC: 78590140072 Shipping Weight: 2.50 lbs. Shipping Height: 4.00 In...- SKU:
- C15-6647
- TS PIK:
- 21032418
- Short Description:
- 120/240 VAC 50/60 Hz, 48 VDC, 30 A, 5/10 kA Interrupt, 3-Pole, 14 to 8 AWG Copper/Aluminum, Plug-In Mount, Pressure Plate Terminal, Standard, Miniature Circuit Breaker
- Used On:
- QO Load Center, NQ/NQOD Panelboard/OEM Interior/Speed-D Switchboard Distribution Panel
- Current Rating:
- 30 A
- Terminal Type:
- Pressure Plate
- Data Sheet:
- SchneiderElectric-SquareD_53580_1_2_DATA.pdf
- Series:
- QO
- Voltage Rating:
- 120/240 VAC
- Size:
- 2.24 Inch Width x 2.91 Inch Depth x 2.99 Inch Height
- Wire Size:
- 14 to 8 AWG (Copper/Aluminum)
- Number of Poles:
- 3
- Interrupting Rating:
- 5/10 kA
- Installation/Operator:
- SchneiderElectric-SquareD_01265_INST.pdf
- Mounting:
- Plug-On
- Catalog:
- SchneiderElectric-SquareD_32357_1_2_1_3_CAT.pdf
- Type:
- Common Trip, Miniature, Standard
- Country of Origin:
- Ireland
MSRP $248.00Surplus $76.00 -
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Eaton CH330 Miniature Circuit Breakers (MCBs) 3P 30A 240V EA
MSRP $376.54Surplus $143.64Eaton CH330 Miniature Circuit Breakers (MCBs) 3P 30A 240V EA​ ARCA SKU: C15-2424 Brand: Eaton MPN: CH330 UPC: 782113102054 Shipping Weight: 0.95 lbs. Shipping Height: 3.00 In...- SKU:
- C15-2424
- Series:
- CH
- Type:
- Thermal Magnetic
- Type:
- Common Trip
- Approval:
- UL 489
- Approval:
- CSA
- Volts:
- 240 VAC
- Amps:
- 32 A
- Used On:
- CH Series Load Center
- Poles:
- 3
- Mounting:
- Plug-On
- Interrupting Rating:
- 10 kA
- Wire Size:
- (1) 14 to 6 AWG (Copper/Aluminum)
- Short Description:
- 240 VAC, 30 A, 10 kA, 3-Pole, Plug-On Mount, Common Trip, Thermal Magnetic
- Catalog:
- Eaton_36620_V1T1_36_V1T1_37_CAT.pdf
- Current Rating:
- 30 A
- Voltage Rating:
- 240 VAC
- Number of Poles:
- 3
- Country of Origin:
- Dominican Republic
MSRP $376.54Surplus $143.64 -
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GE THQL32030 Miniature Circuit Breakers (MCBs) THQL 3P 30A 50/60Hz 3Ph EA
MSRP $294.93Surplus $77.14GE THQL32030 Miniature Circuit Breakers (MCBs) THQL 3P 30A 50/60Hz 3Ph EA​ ARCA SKU: C15-5934 Brand: GE MPN: THQL32030 UPC: 78316401302 Shipping Weight: 1.10 lbs. Shipping Height: 3...- SKU:
- C15-5934
- TS PIK:
- 555090
- Number of Poles:
- 3
- Short Description:
- 240 VAC, 30 A, 10 kA, 3-Pole, 14 to 8 AWG Copper/12 to 8 AWG Aluminum, 1" Plug-In Mount, Box Terminal, Q-Line Frame, Molded Case, Non-Interchangeable/Internal Common Trip, Compact, Fixed Thermal Magnetic, Circuit Breaker
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00015_6_8_6_31_CAT.pdf
- Interrupting Rating:
- 10 kA at 120/240 VAC
- Installation/Operator:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00006_INST.pdf
- CAD Drawings:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00499_1_CAD.pdf
- Current Rating:
- 30 A
- Type:
- Thermal Magnetic, Compact
- Voltage Rating:
- 120/240 VAC
- Terminal Type:
- Plug-On
- Mounting:
- Plug-On
MSRP $294.93Surplus $77.14 -
Eaton BR330 Miniature Circuit Breakers (MCBs) 3P 30A 120V EA
MSRP $337.57Surplus $78.50Eaton BR330 Miniature Circuit Breakers (MCBs) 3P 30A 120V EA​ ARCA SKU: C15-1256 Brand: Eaton MPN: BR330 UPC: 786676367806 Shipping Weight: 0.95 lbs. Shipping Height: 3.00 In...- SKU:
- C15-1256
- Series:
- BR
- Type:
- Common Trip
- Type:
- Quadplex
- Approval:
- UL 489
- Volts:
- 240 VAC
- Amps:
- 32 A
- Used On:
- BR Series Load Center
- Poles:
- 3
- Mounting:
- Plug-On
- Interrupting Rating:
- 10 kA
- Wire Size:
- 14 to 4 AWG (Copper/Aluminum)
- Short Description:
- 240 VAC, 30 A, 10 kA, 3-Pole, Plug-On Mount, Common Trip, Duplex, Thermal Magnetic
- Catalog:
- Eaton_36620_V1T1_85_CAT.pdf
- TS PIK:
- 21493896
- Current Rating:
- 30 A
- Voltage Rating:
- 240 VAC
- Number of Poles:
- 3
- Country of Origin:
- Dominican Republic
MSRP $337.57Surplus $78.50 -
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Crouse-Hinds BR330 Miniature Circuit Breakers (MCBs)
MSRP $337.57Surplus $118.33Crouse-Hinds BR330 Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-5666 Brand: Crouse-Hinds MPN: BR330 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping...- SKU:
- C15-5666
- TS PIK:
- 21493896
- Series:
- BR
- Short Description:
- 240 VAC, 30 A, 10 kA, 3-Pole, Plug-On Mount, Common Trip, Duplex, Thermal Magnetic, Circuit Breaker
- Type:
- Thermal Magnetic, Common Trip
- Voltage Rating:
- 240 VAC
- Mounting:
- Plug-On
- Current Rating:
- 30 A
- Interrupting Rating:
- 10 kA
- Catalog:
- Eaton_36620_V1T1_85_CAT.pdf
- Number of Poles:
- 3
- Used On:
- BR Series Load Center
- Wire Size:
- 14 to 4 AWG (Copper/Aluminum)
MSRP $337.57Surplus $118.33 -
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Crouse-Hinds CH330 Miniature Circuit Breakers (MCBs)
MSRP $376.54Surplus $132.87SKU: C15-5684 Brand: Crouse-Hinds MPN: CH330 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- C15-5684
- TS PIK:
- 531276
- Short Description:
- 240 VAC, 30 A, 10 kA, 3-Pole, Plug-On Mount, Common Trip, Thermal Magnetic, Circuit Breaker
- Series:
- CH
- Used On:
- CH Series Load Center
- Interrupting Rating:
- 10 kA
- Type:
- Thermal Magnetic, Common Trip
- Number of Poles:
- 3
- Catalog:
- Eaton_36620_V1T1_36_V1T1_37_CAT.pdf
- Voltage Rating:
- 240 VAC
- Wire Size:
- (1) 14 to 6 AWG (Copper/Aluminum)
- Mounting:
- Plug-On
- Current Rating:
- 30 A
MSRP $376.54Surplus $132.87 -
Eaton BRH330 Miniature Circuit Breakers (MCBs) BR 3P 30A 240V 50/60Hz 3Ph 1BOX
MSRP $831.00Surplus $263.34Eaton BRH330 Miniature Circuit Breakers (MCBs) BR 3P 30A 240V 50/60Hz 3Ph 1BOX​ ARCA SKU: C15-2396 Brand: Eaton MPN: BRH330 UPC: 786676372602 Shipping Weight: 2.00 Shipping Height: 3.00 In...- SKU:
- C15-2396
- Approval:
- UL 490
- Amps:
- 30 A
- Interrupting Rating:
- 22 kA
- Mounting:
- Plug-On
- Poles:
- 3
- Terminal Type:
- Thermal Magnetic
- Type:
- Common Trip
- Used On:
- BR Load Center
- Volts:
- 120/240 VAC
- Gauge:
- 14 to 4 AWG Copper/Aluminum at 60 Deg C
- Specification/Technical:
- Eaton_62204_1_2_SPEC.pdf
- Voltage Rating:
- 120/240 VAC
- Wire Size:
- 14 to 4 AWG Copper/Aluminum at 60 Deg C
- Current Rating:
- 30 A
- Short Description:
- EATON BR THERMAL MAGNETIC CIRCUIT BREAKER,TYPE BR 1-INCH PLUG-ON CIRCUIT BREAKER
- Catalog:
- Eaton_00071_V1T1_83_V1T1_85_CAT.pdf
- Number of Poles:
- 3
- Country of Origin:
- Dominican Republic
MSRP $831.00Surplus $263.34 -
Eaton HQP3030H Miniature Circuit Breakers (MCBs) HQP 3P 30A 240V 50/60Hz 3Ph
MSRP $480.00Surplus $61.11Eaton HQP3030H Miniature Circuit Breakers (MCBs) HQP 3P 30A 240V 50/60Hz 3Ph​ ARCA SKU: C15-4149 Brand: Eaton MPN: HQP3030H UPC: 786679344521 Shipping Weight: 0.95 Shipping Height: 4.90 In...- SKU:
- C15-4149
- Approval:
- UL 489
- Approval:
- CSA
- Amps:
- 30 A
- Interrupting Rating:
- 10000 A at 240 VAC
- Mounting:
- Plug-On
- Poles:
- 3
- Size:
- 3.1 Inch Width x 3.8 Inch Depth x 4.9 Inch Height
- Terminal Type:
- Steel Box Lug Standard Load
- Type:
- Fixed Thermal Magnetic
- Type:
- Non-Interchangeable Trip
- Type:
- Miniature
- Volts:
- 240 VAC 60 Hertz
- Gauge:
- 14 to 4 AWG Copper/Aluminum (Standard Load)
- Current Rating:
- 30 A
- Number of Poles:
- 3
- Voltage Rating:
- 240 VAC 60 Hertz
- Wire Size:
- 14 to 4 AWG Copper/Aluminum (Standard Load)
- Catalog:
- Eaton_03771_V4T1_2_V4T1_5_V4T1_6_V4T1_46_CAT.pdf
MSRP $480.00Surplus $61.11 -
GENERAL ELECTRIC THHQL32030 Miniature Circuit Breakers (MCBs)
MSRP $445.79Surplus $127.58GENERAL ELECTRIC THHQL32030 Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-5907 Brand: GENERAL ELECTRIC MPN: THHQL32030 UPC: 78316411769 Shipping Weight: 2.25 lbs. Shipping...- SKU:
- C15-5907
- Terminal Type:
- Plug-On
- Short Description:
- 120/240 VAC, 30 A, 3-Pole, 22 kA, 14 to 8 KCMIL/12 to 8 KCMIL Copper/Aluminum, Box Terminal, Plug-In Mount, Thermal Magnetic, Non-Interchangeable, Miniature Circuit Breaker
- CAD Drawings:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_04200_1_CAD.pdf
- Interrupting Rating:
- 22 kA at 120/240 VAC
- Current Rating:
- 30 A
- Type:
- Thermal Magnetic, Compact
- Voltage Rating:
- 120/240 VAC
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_01912_1_7_6_29_6_34_CAT.pdf
- Number of Poles:
- 3
- Mounting:
- Plug-On
- Approval:
- UL
- Frame Type:
- Q-Line
- Maximum AC Voltage Rating:
- 240 V
MSRP $445.79Surplus $127.58 -
Siemens Q330H Miniature Circuit Breakers (MCBs)
MSRP $538.00Surplus $166.81SKU: C15-10565 Brand: Siemens MPN: Q330H UPC: 78364315643 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-10565
- TS PIK:
- 115559546
- Short Description:
- 240 VAC, 30 A, 22 kA, 3-Pole, 14 to 6 AWG Copper/Aluminum, Load Lug Terminal, Plug-On Mount, QPH Frame, Common Trip, Thermal Magnetic Trip Unit, Miniature Circuit Breaker for Load Center
- Wire Size:
- 14 to 6 AWG (Copper/Aluminum)
- Terminal Type:
- Load Lug
- Interrupting Rating:
- 22 kA
- Type:
- Thermal and Fixed Magnetic, Common Trip
- Data Sheet:
- SiemensAG_07061_1_DATA.pdf
- Number of Poles:
- 3
- Catalog:
- SiemensAG_00562_1_41_1_46_1_47_CAT.pdf
- Voltage Rating:
- 240 VAC at 50/60 Hz
- Mounting:
- Plug-On
- Size:
- 3 Inch W x 3 Inch D x 3-1/8 Inch H
- Current Rating:
- 30 A
- Used On:
- Loadcenter
- Installation/Operator:
- SiemensAG_00215_INST.pdf
- Country of Origin:
- Mexico
MSRP $538.00Surplus $166.81 -
Square D QO3030 Miniature Circuit Breakers (MCBs) QO 1P 30A 120V 50/60Hz 1Ph
MSRP $95.00Surplus $87.78Square D QO3030 Miniature Circuit Breakers (MCBs) QO 1P 30A 120V 50/60Hz 1Ph​ ARCA SKU: C15-2180 Brand: Square D MPN: QO3030 UPC: 785901400967 Shipping Weight: 0.35 Shipping Height: 1.00...- SKU:
- C15-2180
- Type:
- Bi-Metallic
- Type:
- Thermal
- Approval:
- UL
- Approval:
- CSA
- Size:
- 2.25 Inch W x 2.91 Inch D x 3 Inch H
- Volts:
- 240 VAC at 50/60 Hz
- Amps:
- 32 A
- Used On:
- QO Load Center
- Used On:
- NQOD Panelboard
- Used On:
- OEM Interior/Speed-D Switchboard Distribution Panel
- Poles:
- 3
- Mounting:
- Plug-On
- Interrupting Rating:
- 10 kA
- Enclosure:
- IP20
- Terminal Type:
- Pressure Plate
- Wire Size:
- 14 to 8 AWG (Aluminum/Copper)
- Wire Size:
- (2) 14 to 10 AWG (Copper)
- Short Description:
- 120/240 VAC 50/60 Hz, 30 A, 10 kA Interrupt, 1-Pole, 14 to 8 AWG Aluminum/Copper, Plug-In Mount, Box Lug Terminal, Tandem
- Catalog:
- SchneiderElectric-SquareD_03264_1_3_CAT.pdf
- Data Sheet:
- Eaton_41010_1-6_DATA.pdf
- Voltage Rating:
- 240 VAC at 50/60 Hz
- Current Rating:
- 30 A
- Number of Poles:
- 3
- Installation/Operator:
- SchneiderElectric-SquareD_00194_INST.pdf
- Country of Origin:
- Mexico
MSRP $95.00Surplus $87.78 -
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Square D QO3301021 Miniature Circuit Breakers (MCBs) EA
MSRP $437.00Surplus $430.92Square D QO3301021 Miniature Circuit Breakers (MCBs) EA​ ARCA SKU: C15-10903 Brand: Square D MPN: QO3301021 UPC: 785901494119 Shipping Weight: 1.20 lbs. Shipping Height: 4.00 In...- SKU:
- C15-10903
- TS PIK:
- 111089502
- Catalog:
- SchneiderElectric-SquareD_03264_1_3_1_9_CAT.pdf
- Terminal Type:
- Pressure Plate
- Type:
- Common Trip, Thermal Magnetic
- Current Rating:
- 30 A
- Short Description:
- 120/240 VAC 50/60 Hz, 30 A, 10 kA Interrupt, 3-Pole, 14 to 8 AWG Aluminum/Copper, Plug-On Mount, Pressure Plate Terminal, Standard, AC Shunt Trip, Miniature Circuit Breaker
- Mounting:
- Plug-On
- Voltage Rating:
- 240 VAC at 50/60 Hz
- Data Sheet:
- SchneiderElectric-SquareD_15039_1_2_DATA.pdf
- Interrupting Rating:
- 10 kA
- CAD Drawings:
- SchneiderElectric-SquareD_03068_1_CAD.pdf
- Used On:
- QO Load Center, NQOD Panelboard, OEM Interior/Speed-D Switchboard Distribution Panel
- Wire Size:
- 14 to 8 AWG (Aluminum/Copper), (2) 14 to 10 AWG (Copper)
- Size:
- 2.25 Inch W x 2.91 Inch D x 3 Inch H
- Number of Poles:
- 3
MSRP $437.00Surplus $430.92 -
Siemens Q330 Miniature Circuit Breakers (MCBs) Q 3P 30A 240V EA
MSRP $329.00Surplus $50.54Siemens Q330 Miniature Circuit Breakers (MCBs) Q 3P 30A 240V EA​ ARCA SKU: C15-3643 Brand: Siemens MPN: Q330 UPC: 78364314841 Shipping Weight: 0.95 lbs. Shipping Height: 3.00 In...- SKU:
- C15-3643
- Approval:
- UL 489
- Amps:
- 30 A
- Interrupting Rating:
- 10 kA
- Mounting:
- Plug-On
- Poles:
- 3
- Size:
- 3 Inch Width x 3 Inch Depth x 3 Inch Height
- Terminal Type:
- Thermal Magnetic
- Type:
- Common Trip
- Used On:
- Load Centre Main
- Used On:
- Feeder
- Volts:
- 240 V
- Gauge:
- 0
- Short Description:
- 240 V, 30 A, 10 kA, 3-Pole, Plug-In, QP/MP Frame, Common Trip, Thermal Magnetic, Miniature, Circuit Breaker
- Data Sheet:
- SiemensAG_01548_1_DATA.pdf
- TS PIK:
- 21366630
- Number of Poles:
- 3
- Catalog:
- SiemensAG_01502_1_12_CAT.pdf
- Voltage Rating:
- 240 V
- Current Rating:
- 30 A
- Country of Origin:
- Mexico
MSRP $329.00Surplus $50.54
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