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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Eaton BAB1045 Miniature Circuit Breakers (MCBs) BA 1P 45A 120/240V 50/60Hz 1Ph
MSRP $62.50Surplus $22.43Eaton BAB1045 Miniature Circuit Breakers (MCBs) BA 1P 45A 120/240V 50/60Hz 1Ph​ ARCA SKU: C15-1027 Brand: Eaton MPN: BAB1045 UPC: 786679152393 Shipping Weight: 0.35 lbs. Shipping...- SKU:
- C15-1027
- Terminal Type:
- Steel Box Lug Standard Load
- Number of Poles:
- 1
- Wire Size:
- 14 to 4 AWG Copper/Aluminum (Standard Load)
- Interrupting Rating:
- 10000 A at 120/240 VAC, 5000 A at 24 to 48 VDC
- Catalog:
- Eaton_03771_V4T1_3-V4T1_46_CAT.pdf
- Current Rating:
- 45 A
- Size:
- 1.2 Inch Width x 3.6 Inch Depth x 4.8 Inch Height
- Mounting:
- Bolt-On
- Type:
- Thermal Magnetic, Non-Interchangeable Trip, Miniature
- Short Description:
- EATON BAB THERMAL MAGNETIC CIRCUIT BREAKER,QUICKLAG INDUSTRIAL THERMAL-MAGNETIC
- Voltage Rating:
- 120/240 VAC, 24/48/62.5 VDC
- Country of Origin:
- Dominican Republic
- Approval:
- UL 489, CSA
MSRP $62.50Surplus $22.43 -
Siemens BQD145 Miniature Circuit Breakers (MCBs) 1P 45A 277V
MSRP $306.00Surplus $73.13Siemens BQD145 Miniature Circuit Breakers (MCBs) 1P 45A 277V​ ARCA SKU: C15-6153 Brand: Siemens MPN: BQD145 UPC: 78364327714 Shipping Weight: 0.55 lbs. Shipping Height: 4.00 In...- SKU:
- C15-6153
- TS PIK:
- 21366723
- Current Rating:
- 45 A
- Voltage Rating:
- 277 VAC at 50/60 Hz, 125 VDC (UL)
- Series:
- BQD
- Type:
- Branch, Molded Case, Thermal and Fixed Magnetic
- Short Description:
- 277 VAC, 45 A, 14 kA, 1-Pole, Low-Tab Mount, Molded Case, Thermal Magnetic Trip Unit, Branch, Panelboard Circuit Breaker
- Number of Poles:
- 1
- Used On:
- P1/P2/P3/P4/P5 Panelboard
- Catalog:
- SiemensAG_00565_11_16_CAT.pdf
- Interrupting Rating:
- 14 kA at 277 VAC/125 VDC (UL)
- Data Sheet:
- SiemensAG_05417_1_DATA.pdf
- Installation/Operator:
- SiemensAG_00221_INST.pdf
- Country of Origin:
- Mexico
- Approval:
- UL
- Installation:
- Bolt-On
- Application:
- Lighting, Distribution
MSRP $306.00Surplus $73.13 -
Eaton HFD1045 Molded Case Breakers (MCCBs)
MSRP $994.91Surplus $122.44SKU: C15-11567 Brand: Eaton MPN: HFD1045 UPC: 78211421044 Shipping Weight: 1.65 lbs. Shipping Height: 2.00 In. Shipping Length: 7.00 In. Shipping Width: 5.00 In...- SKU:
- C15-11567
- TS PIK:
- 115288452
- Approval:
- UL 489, CSA C22.2
- Number of Poles:
- 1
- Size:
- 1.38 Inch Width x 3.88 Inch Depth x 6 Inch Height
- Terminal Type:
- Load
- Interrupting Rating:
- 65 kA at 277 VAC, 10 kA at 125 VDC (UL), 65 kA at 220/240 VAC, 10 kA at 125 VDC (IEC)
- Current Rating:
- 45 A
- Installation/Operator:
- Eaton_00091_INST.pdf
- Catalog:
- EatonCorp-CutlerHammer_00123_V4T2_254-V4T2_290_CAT.pdf
- Maximum AC Voltage Rating:
- 277 V
- Frame Type:
- FD
- CAD Drawings:
- Eaton_41228_1_CAD.pdf
- Maximum DC Voltage Rating:
- 125 V
- Data Sheet:
- Eaton_07831_1-12_DATA.pdf
- Voltage Rating:
- 277 VAC 50/60 Hertz, 125 VDC
- Type:
- Fixed Thermal Magnetic, Molded Case
- Country of Origin:
- Dominican Republic
MSRP $994.91Surplus $122.44 -
Siemens ED41B045 Molded Case Breakers (MCCBs)
MSRP $232.00Surplus $154.28SKU: C15-10386 Brand: Siemens MPN: ED41B045 UPC: 78364320914 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-10386
- TS PIK:
- 21367353
- Catalog:
- SiemensAG_09175_17_1_17_4_17_81-17_84_17_112_17_113_17_123_17_133_CAT.pdf
- Voltage Rating:
- 120/277 VAC 50/60 Hertz, 125 VDC
- Frame Type:
- ED
- Interrupting Rating:
- 65 kA at 120 VAC, 22 kA at 277 VAC, 30 kA at 125 VDC
- Number of Poles:
- 1
- Type:
- Molded Case, Low Vage, Thermal Magnetic, Standard Rating
- Country of Origin:
- MEX
- Size:
- 1 Inch Width x 3.92 Inch Depth x 6.35 Inch Height
- Approval:
- UL 489
- Maximum DC Voltage Rating:
- 125 V
- Terminal Type:
- Load Lug
- Installation/Operator:
- SiemensAG_00593_INST.pdf
- Maximum AC Voltage Rating:
- 277 V
- Current Rating:
- 45 A
- Short Description:
- BRKR ED4 1P 480V 45A
MSRP $232.00Surplus $154.28
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