FETtec 45A V1.2 3-6S 30x30 4in1 ESC

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The FETtec 4in1 ESCs are here! This 45A 30x30 option, and the 35A 20x20 option.

The perfect compliment to your FETtec Kiss FC!

Check out all our KISS compatible gear, and everything FETtec!


  • Active current limiting @ 45A
  • Input voltage: 3S-6S
  • High quality 40V MOSFETs
  • STM32G071 @ 64MHz
  • 128 kHz motor PWM
  • Full sine wave control
  • Solder points for up to 5 additional capacitors
  • KISS FC Passthrough
  • Betaflight pass-through (available from 4.1)
  • Automatic input signal detection:
    • Dshot 300-2400
    • PWM
    • OneShot42 / 125
    • OneWire BUS with up to 8kHz looptime (one cable for all motor signals and telemetry)
    • in development: Crossfire, SBUS
  • New FETtec Firmware
  • FETtec Configurator for updated, configuration and telemetry. Standalone for MacOS, Windows 32 & 64 bit and Chrome Plugin
  • Dimensions: 38mm x 38mm
  • Mounting hole: 30.5 mm x 30.5 mm, M3 breakable for M4


Manual Download
FETtec Configurator 


  • 1x FETtec 45A V1.2 30x30 4in1 ESC
  • 1x Capacitor 50V, ESC < 1ohm (477CKE050M)
  • 1x JST-SH 8 Pin Cable