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40 AMP Brushless ESC

40 AMP Brushless ESC

Brand: E Flite

Part No: EFLA1140W

£37.99 RRP £39.99

In Stock: Usually ships same day

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The E-flite 40 AMP Brushless ESC (EFLA1140W) is a genuine E-flite electronic speed controller featuring an integrated BEC and an EC3 battery connector. It provides dependable control for brushless power systems within the E-flite range.

Key Specification

  • Battery connector: EC3

Suggested Compatibility

  • EFL3350
  • EFL3375
  • EFL3550
  • EFL3575
  • EFL5350
  • EFL5375
  • EFL8250
  • EFL8350
  • EFL8450
  • EFL8475
  • EFL8550
  • EFL8650
  • EFL8950
  • EFL8975
  • EFL9150
  • EFL9175
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



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

Additional Categories:

Standard Shipping

£3.95 to most of the UK

Express Shipping

£6.95 to most of the UK

Worldwide Shipping

Available at checkout

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Questions & Answers
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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
Steve / 2nd May 2021

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

Ben @ Wheelspin Models
Hi will this esc be enough to use on a 4s set up please ?
Paul Mullen / 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

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.
Keith Barnes / 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 :-)

Ben @ Wheelspin Models
Hi Will your 40amp speed controller power the radianu Xl motor? Regards Joe
Joe / 22nd April 2019

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

Ben @ Wheelspin Models
Will this work with an Eflite SAFE receiver?
Paul Clegg / 30th September 2016

Yes, it should work with pretty much any receiver.

Ben @ Wheelspin Models
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