FETtec 45A 3-6S 4-in-1 ESC - 30x30
The FETtec 45A 3-6S ESC is a powerful 4-in-1 electronic speed controller that has a mounting pattern of 30.5x30.5 and supports Dshot 300-2400, OneShot 42/125, PWM, Crossfire, SBUS, and other features!
About this Product
The FETtec 45A 3-6S ESC is a powerful 4-in-1 electronic speed controller that has a mounting pattern of 30.5x30.5 and supports Dshot 300-2400, OneShot 42/125, PWM, Crossfire, SBUS, and other features!
Specifications
- 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 loop time (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
Firmware
- New FETtec Firmware
- FETtec Configurator for updated, configuration, and telemetry. Standalone for MacOS, Windows 32 & 64 bit and Chrome Plugin
Diagram

Manual
Downloads
Includes
- 1 x FETtec ESC 4in1 45A
- 1 x Capacitor 50V, ESC < 1ohm (477CKE050M)
- 1 x JST-SH 8 Pin Cable
More information
| SKU | 13321 |
|---|---|
| UPC (GTIN) | 789862852407 |
| Country of Origin | China |
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Customer Reviews
Does what you expect from
Nikola P.Verified buyer
Does what you expect from ESC without much fuss
Will buy again
Angel A.Verified buyer
Excellent all around ESC. Used it for my KISS build and I don't regret it! Worth Consideration!
Rock Solid ESC
SCOTT H.Verified buyer
Solid ESC, first time using FetTech and I will recommend it everytime
Favorite esc
Jonathan M.Verified buyer
Great quality
Durable and powerful ESC
Gabriel R.Verified buyer
This ESC has taken some abuse between constant bursts to bail out of difficult maneuvers when not feeling comfortable and crashing since I'm learning. Will definitely be getting this same ESC for my next KISS build.







