FETtec 4in1 ESC 45A

FETtecSKU: DA1453

Sale price£61.78

Shipping calculated at checkout

In stock

Important information regarding soldering

Due to the permanent and potentially destructive nature of soldering and connecting to other devices in general, always remember to test electronics first, before attempting to solder to them or connect any accessories.

For a flight controller, this can always be achieved by connecting to the board via USB and verifying that everything is working via the configurator. To test an ESC, you can power up the board via crocodile clips. We sell crocodile clips here for this very purpose.

Please see the Items requiring soldering section of our refund policy for more information.


FETtec 4in1 ESC 45A


  • Active current limiting @ 45A
  • Input voltage: 3S-6S
  • High quality 40V MOSFETs
  • STM32G071 @ 64MHz
  • 128 kHz Motor PWM
  • Full sine wave control
  • Soldering holes for up to 5 additional capacitors
  • KISS FC Passthrough
  • Betaflight Passthrough (available in 4.1)
  • Automatic input signal detection:
    • Dshot 300-2400
    • PWM
    • OneShot 42/125
    • OneWire BUS with up to 8kHz looptime (one cable for all Motorsignals and Telemetry)
    • in development: Crossfire, SBUS



  • 38 mm x 38 mm
  • Mounting hole: 30,5 mm x 30,5 mm, M3 expandable to M4


  • New FETtec Firmware
  • FETtec Configurator for updated, configuration and telemetry. Standalone for MacOS, Windows 32 & 64 bit and Chrome Plugin

Scope of Delivery:

  • FETtec ESC 4in1 45A
  • Capacitor 50V, ESC < 1ohm (477CKE050M)
  • JST-SH 8 Pin Cable


For 6S batteries, we recommend to use a FETtec Spike Absorber

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