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 Q34000S01 Miniature Circuit Breakers (MCBs) 120V
MSRP $598.00Surplus $192.94SKU: 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
- Approval:
- UL 489, CSA C22.2
- Country of Origin:
- MEX
MSRP $598.00Surplus $192.94 -
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
- Approval:
- UL 489, CSA C22.2
MSRP $538.00Surplus $166.81 -
Square D QO3030 Miniature Circuit Breakers (MCBs) QO 1P 30A 120V 50/60Hz 1Ph
MSRP $95.00Surplus $92.40Square 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 $92.40 -
Square D QO3201021 Miniature Circuit Breakers (MCBs)
MSRP $437.00Surplus $334.13SKU: C15-10902 Brand: Square D MPN: QO3201021 UPC: 78590149409 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-10902
- TS PIK:
- 111089501
- Terminal Type:
- Pressure Plate
- Short Description:
- 120/240 VAC 50/60 Hz, 20 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
- Wire Size:
- 14 to 8 AWG (Aluminum/Copper), (2) 14 to 10 AWG (Copper)
- Catalog:
- SchneiderElectric-SquareD_03264_1_3_1_9_CAT.pdf
- Mounting:
- Plug-On
- Current Rating:
- 20 A
- Data Sheet:
- SchneiderElectric-SquareD_15027_1_2_DATA.pdf
- Number of Poles:
- 3
- Interrupting Rating:
- 10 kA
- CAD Drawings:
- SchneiderElectric-SquareD_03058_1_CAD.pdf
- Size:
- 2.25 Inch W x 2.91 Inch D x 3 Inch H
- Used On:
- QO Load Center, NQOD Panelboard, OEM Interior/Speed-D Switchboard Distribution Panel
- Voltage Rating:
- 240 VAC at 50/60 Hz
- Type:
- Common Trip, Thermal Magnetic
- Approval:
- UL, CSA
- Country of Origin:
- Mexico
MSRP $437.00Surplus $334.13 -
Square D QO3401021 Miniature Circuit Breakers (MCBs) QO 3P 40A 240V 50/60Hz 3Ph
MSRP $498.00Surplus $505.40Square D QO3401021 Miniature Circuit Breakers (MCBs) QO 3P 40A 240V 50/60Hz 3Ph​ ARCA SKU: C15-4849 Brand: Square D MPN: QO3401021 UPC: 785901494126 Shipping Weight: 1.20 Shipping...- SKU:
- C15-4849
- Type:
- Common Trip
- Type:
- Thermal Magnetic
- 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
- Terminal Type:
- Box Lug
- Wire Size:
- 8 to 2 AWG (Aluminum/Copper)
- Short Description:
- 120/240 VAC 50/60 Hz, 40 A, 10 kA Interrupt, 3-Pole, 8 to 2 AWG Aluminum/Copper, Plug-In Mount, Box Lug Terminal, Standard, AC Shunt Trip
- Catalog:
- SchneiderElectric-SquareD_03264_1_3_1_9_CAT.pdf
- Data Sheet:
- SchneiderElectric-SquareD_15051_1_2_DATA.pdf
- Country of Origin:
- United States
- Voltage Rating:
- 240 VAC at 50/60 Hz
- Current Rating:
- 40 A
- Number of Poles:
- 3
MSRP $498.00Surplus $505.40 -
Square D QO3501021 Molded Case Breakers (MCCBs)
MSRP $495.00Surplus $345.80SKU: U00-8581 Brand: Square D MPN: QO3501021 UPC: 78590149415 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- U00-8581
- Voltage Rating:
- 240 VAC at 50/60 Hz
- Data Sheet:
- SchneiderElectric-SquareD_15063_1_2_DATA.pdf
- Current Rating:
- 50 A
- Wire Size:
- 8 to 2 AWG (Aluminum/Copper)
- CAD Drawings:
- SchneiderElectric-SquareD_03059_1_CAD.pdf
- Approval:
- UL, CSA
- Catalog:
- SchneiderElectric-SquareD_03264_1_3_1_9_CAT.pdf
- Terminal Type:
- Box Lug
- Used On:
- QO Load Center, NQOD Panelboard, OEM Interior/Speed-D Switchboard Distribution Panel
- Mounting:
- Plug-On
- Short Description:
- 120/240 VAC 50/60 Hz, 48 VDC, 50 A, 10 kA Interrupt, 3-Pole, Plug-On Mount, 4-Panel Space, Box Lug Terminal, AC Shunt Trip, Standard, Miniature Circuit Breaker
- Type:
- Common Trip, Thermal Magnetic
- Interrupting Rating:
- 10 kA
- Number of Poles:
- 3
- Size:
- 2.25 Inch W x 2.91 Inch D x 3 Inch H
- Country of Origin:
- Mexico
MSRP $495.00Surplus $345.80 -
Square D QO3601021 Molded Case Breakers (MCCBs)
MSRP $437.00Surplus $303.75SKU: C15-8681 Brand: Square D MPN: QO3601021 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- C15-8681
- TS PIK:
- 21332107
- Catalog:
- SchneiderElectric-SquareD_03264_1_3_1_9_CAT.pdf
- Data Sheet:
- SchneiderElectric-SquareD_15066_1_2_DATA.pdf
- CAD Drawings:
- SchneiderElectric-SquareD_03059_1_CAD.pdf
- Interrupting Rating:
- 10 kA
- Terminal Type:
- Box Lug
- Voltage Rating:
- 240 VAC at 50/60 Hz
- Size:
- 2.25 Inch W x 2.91 Inch D x 3 Inch H
- Type:
- Common Trip, Thermal Magnetic
- Short Description:
- 120/240 VAC 50/60 Hz, 48 VDC, 60 A, 10 kA Interrupt, 3-Pole, Plug-On Mount, 4-Panel Space, Box Lug Terminal, AC Shunt Trip, Standard, Miniature Circuit Breaker
- Number of Poles:
- 3
- Current Rating:
- 60 A
- Approval:
- UL, CSA
- Mounting:
- Plug-On
- Wire Size:
- 8 to 2 AWG (Aluminum/Copper)
- Used On:
- QO Load Center, NQOD Panelboard, OEM Interior/Speed-D Switchboard Distribution Panel
- Country of Origin:
- Mexico
MSRP $437.00Surplus $303.75
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