40 AMP Brushless ESC

Brand: E Flite

Part Number: EFLA1140W

£28.49 Web Price RRP £29.99

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Compatible Products E-flite 40-Amp BEC Brushless ESC: EC3 EFLA1140W is compatible with EFL3350, EFL3375, EFL3550, EFL3575, EFL5350, EFL5375, EFL8250, EFL8350, EFL8450, EFL8475, EFL8550, EFL8650, EFL8950, EFL8975, EFL9150, EFL9175

40 AMP Brushless ESC Specfications:

  • Battery Connector: : EC3

  • Brand: E Flite
  • Part No: EFLA1140W
  • Barcode: 605482597316
  • Fitment: Option Part
  • Fitment: Standard Part

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Will this work with an Eflite SAFE receiver?
Asked by Paul Clegg on 30th September 2016

Yes, it should work with pretty much any receiver.

Answered by: Ben @ Wheelspin Models

Hi Will your 40amp speed controller power the radianu Xl motor? Regards Joe
Asked by Joe on 22nd April 2019

Yes, 40A is recommended for the Radian XL so this should work fine.

Answered by: Ben @ Wheelspin Models

Hi there. Will this esc be ok to use in the eflite Valiant. The esc in it has just gone up in smoke. I see you have the original part available but wanted to know if I use this one instead. Regards. Keith.
Asked by Keith Barnes on 10th September 2019

The stock E Flite Valiant ESC is EFLA1030B which is a 30Amp unit.

So yes, this 40Amp unit is higher rated, so should work fine :-)

Answered by: Ben @ Wheelspin Models

Hi will this esc be enough to use on a 4s set up please ?
Asked by Paul Mullen on 23rd September 2019

There's a lot more variables that need to be known to advise fully on that...

However, it's probably a no - we'd recommend going up to at least a 60A

Answered by: Ben @ Wheelspin Models

Hi I have the Eflight PT17 with the standard 45 Amp ESC (EFLA1140W) installed. The battery recommended for this aircraft is a 3S 2200. Will the standard ESC cope with a 4S battery please? Thank you Steve
Asked by Steve on 2nd May 2021

I can't get a definitive answer on this, but would suggest it'll be 3S max on your setup.

Answered by: Ben @ Wheelspin Models

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