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Pro-Tronik BFu 45A ESC 2-6S Ubec 4A Black Fet Serie View larger

Pro-Tronik BFu 45A ESC 2-6S Ubec 4A Black Fet Serie (Bec 3A)


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Pro-Tronik BFu 45A ESC 2-6S Ubec 4A Black Fet Serie (Bec 3A)

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Data sheet

Length (mm):70
Large (mm):28
Heigh (mm):16
Weight (gr):52.1 gr
Max Intensity (A):45A
Battery Cells:2s - 7,4v, 3s - 11.1v, 4s - 14.8v, 5s - 18.5v, 6s - 22.2v
Connection:Delivered without plug

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Pro-Tronik BFu 45A ESC 2-6S Ubec 4A Black Fet Serie (Bec 3A)

Small footprint, these new generation controllers are both lightweight and powerful with high performances. The micro controller which ensures they have a very precise control of the engine and the safety of the battery pack maintaining its best performance. To facilitate their use, the Pro- Tronik controllers have many adjustable parameters, to adapt accurately and efficiently functioning to the engine, the battery and the model. Pro-Tronik controllers are exclusively for driving a brushless electric motor type installed in a model flying through a set of proportional radio control. Pro-Tronik controllers can provide the engine they controls the continuous current whose value is on the label (eg 10 A for the BF-10A), provided they are properly ventilated.


  • 45A U-BEC 4A 5v ESC brushless for brushless motors
  • Light and small
  • Continuous 45A with 3S
  • Continuous 40A with 6S
  • Weight: 52.1grs
  • Dimension : 70 x 28 x 16mm
  • Programmable with the Pro-Tronik EPRG3 card (ref.: 78301)

Dynamic tests, ESC heating :

  • 12 volts, 47A => at 60 sec = 43°C / at 120 sec = 49°C / at 180 sec = 61°C
  • 21 volts, 39A => at 360 sec = 49°C / at 420 sec = 57°C


  • Pro-Tronik Black Fet Series 45A ESC
  • Frenh and English intruction manual
Plug & Fly: This ESC is pre-equiped with 3.5mm PK plugs on the motor side and a Dean T plug on the battery side


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