JeffTron Processor unit with wiring [JT-PRO-04]


JeffTron JT-PRO-04 Processor unit with wiring

Artikelnummer: jefint006 Categorieën:

JeffTron universele processor unit/ mosfet met diverse functionaliteiten waaronder:

  • Verschillende fire modes
  • Pre-cocking
  • Active braking
  • Low battery indication

De unit zit buiten gearbox en vervangt uw huidige bedrading. Full auto only AEG’s (M249, M60 etc) hebben beperkte functionaliteit. Soldeer skills vereist!

Main parameters:

  • Five new shooting modes – combination semi, burst and auto fire
  • Adjustable burst (from factory are 3 shots, it can be changed in the range 1 – 10 shots)
  • Smooth change rate of fire using PWM motor control
  • Pre-cocking function for instant shot in SEMI fire
  • Quick first shot at reduced rate of fire
  • Mosfet with motor active braking
  • Adjustable strength of active braking (can be also disabled)
  • Low battery indication 2S and 3S Li-pol, 3S li-fe and 3S li-on
  • Monitoring current, voltage and temperature of Processor unit components
  • Trigger gun is used for programming this device, motor vibrates as a feedback for user
  • Programmed settings are stored in processor unit memory, so it doesn’t loose changes after disconnection the battery

Fire modes:
– Safe – Semi – Auto (unchanged gun function)
– Safe – Semi – Semi/Burst/Auto
– Safe – Semi – Semi
– Safe – Semi – Semi/Burst
– Safe – Semi – Semi (delay between shots, motor vibration when it is ready to fire)
– Safe – Burst – Burst/Auto


  • Devices without wires, you can use max. 1,5qmm (AWG16) power wires and 0,5qmm (AWG21) signal wires
  • Designed for max. spring M150 and ROF 20bb/s. For higher load use extreme variant of this device
  • Mosfet handles up to 2.5 times bigger currents than it’s cheaper variant
  • 5 times better switch on resistance = lower mosfet heating
  • Cooler for heat dissipation, it is glued to mosfet
  • Braking mosfet handles up to 2.3 times bigger currents than it’s basic variant
  • Device size 36x14x9mm
  • Easy to understand 6 wires connection
  • For right function is necessary to have a functional gearbox cut off lever, selector plate, reverse latch, trigger and trigger block, as it has the standard gearbox
  • Specified for common batteries up to 14V (Ni-xx 8.4 – 12V, lipol 7.4 – 11.1V)
  • Current device consumption only 4.5 mA in idle state
  • Device increases gun rate of fire and battery holds longer, than with basic wiring
  • With active braking in semi fire mode piston isn’t partially stretched, spring is fully released, parts in mechabox aren’t under strain and nozzle locks hop-up chamber in greater part (depends on ROF)
  • In weapons with very high rate of fire (ROF) active break solves multiple shots in semi mode
  • The braking effect is the most powerful with high torque motor
  • In auto fire mode piston stops in random position due the mechabox design. But it stops much faster with active brake

DEVICE INSTRUCTIONS: you can download installation manual in English here
PACKING: device, heat shrink tube over device and installation manual in English





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