
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 QO2501021 Miniature Circuit Breakers (MCBs) EA
MSRP $348.49Surplus $525.05Square D QO2501021 Miniature Circuit Breakers (MCBs) EA​ ARCA SKU: C15-9350 Brand: Square D MPN: QO2501021 UPC: 78590149401 Shipping Weight: 0.95 lbs. Shipping Height: 3.00 In...- SKU:
- C15-9350
- TS PIK:
- 111089497
- CAD Drawings:
- SchneiderElectric-SquareD_03059_1_CAD.pdf
- Mounting:
- Plug-On
- Voltage Rating:
- 120/240 VAC at 50/60 Hz
- Number of Poles:
- 2
- Terminal Type:
- Box Lug
- Interrupting Rating:
- 10 kA
- Catalog:
- SchneiderElectric-SquareD_03264_1_3_1_9_1_39_CAT.pdf
- Current Rating:
- 50 A
- Wire Size:
- 8 to 2 AWG (Aluminum/Copper)
- Used On:
- QO Load Center, NQOD Panelboard, OEM Interior/Speed-D Switchboard Distribution Panel
- Type:
- Common Trip, Thermal Magnetic
- Size:
- 1.5 Inch W x 2.91 Inch D x 3 Inch H
- Data Sheet:
- SchneiderElectric-SquareD_14982_1_2_DATA.pdf
- Short Description:
- 120/240 VAC 50/60 Hz, 48 VDC, 50 A, 10 kA Interrupt, 2-Pole, Plug-On Mount, 3-Panel Space, Box Lug Terminal, AC Shunt Trip, Standard, Miniature Circuit Breaker
- Country of Origin:
- Mexico
- Approval:
- UL, CSA
MSRP $348.49Surplus $525.05 -
Siemens Q25000S01 Miniature Circuit Breakers (MCBs)
MSRP $242.31Surplus $161.14SKU: C15-10553 Brand: Siemens MPN: Q25000S01 UPC: 78364323756 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-10553
- TS PIK:
- 21368152
- Country of Origin:
- MEX
- Current Rating:
- 50 A
- Voltage Rating:
- 120/240 VAC at 50/60 Hz
- Interrupting Rating:
- 10 kA
- Data Sheet:
- SiemensAG_07038_1_DATA.pdf
- Terminal Type:
- Load Lug
- Type:
- Thermal and Fixed Magnetic, Common Trip
- Catalog:
- SiemensAG_00562_1_41_1_46_1_47_CAT.pdf
- Mounting:
- Plug-On
- Installation/Operator:
- SiemensAG_00215_INST.pdf
- Wire Size:
- 8 to 6 AWG (Copper), 8 to 4 AWG (Aluminum)
- Size:
- 2 Inch W x 3 Inch D x 3-1/8 Inch H
- Short Description:
- 120/240 VAC, 50 A, 10 kA, 2-Pole, 8 to 6 AWG Copper/8 to 4 AWG Aluminum, Load Lug Terminal, Plug-On Mount, QP Frame, 120 VAC Shunt Trip, Thermal Magnetic Trip Unit, Miniature Circuit Breaker for Load Center
- Approval:
- UL 489, CSA C22.2
- Number of Poles:
- 2
- Used On:
- Loadcenter
MSRP $242.31Surplus $161.14 -
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Siemens Q250H Miniature Circuit Breakers (MCBs)
MSRP $254.56Surplus $79.66Siemens Q250H Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-6190 Brand: Siemens MPN: Q250H UPC: 78364314878 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping...- SKU:
- C15-6190
- TS PIK:
- 21366665
- Size:
- 2 Inch W x 3 Inch D x 3-1/8 Inch H
- Short Description:
- 120/240 VAC, 50 A, 22 kA, 2-Pole, 8 to 6 AWG Copper/8 to 4 AWG Aluminum, Load Lug Terminal, Plug-In Mount, QPH Frame, Common Trip, Thermal Magnetic Trip Unit, Miniature Circuit Breaker for Load Center
- Terminal Type:
- Load Lug
- Used On:
- Loadcenter
- Installation/Operator:
- SiemensAG_00215_INST.pdf
- Catalog:
- SiemensAG_00562_1_41_1_46_1_47_CAT.pdf
- Data Sheet:
- SiemensAG_07039_1_DATA.pdf
- Number of Poles:
- 2
- Interrupting Rating:
- 22 kA
- Type:
- Thermal and Fixed Magnetic, Common Trip
- Mounting:
- Plug-On
- Wire Size:
- 8 to 6 AWG (Copper), 8 to 4 AWG (Aluminum)
- Current Rating:
- 50 A
- Voltage Rating:
- 120/240 VAC at 50/60 Hz
- Country of Origin:
- Mexico
- Approval:
- UL 489, CSA C22.2
MSRP $254.56Surplus $79.66
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