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PolarStar Fire Control Unit, Mini, JACK/F1 Single Solenoid (FCU)

Article number: POLARMINIFCU
Availability: Out of stock

New voltage regulators allow for extremely low power consumption in sleep mode. Drawing under 28uA while idle, the Mini FCU is over 300 times more efficient than the original Standard FCU and can operate in sleep mode for close to one year on a small 250mAh pack.

Elimination of the solenoid MOSFET, joystick and LCD, along with careful selection of the remaining components allowed the size of the Mini FCU to be reduced significantly compared to other FCUs. Its small size allows the Mini FCU to fit inside the gearbox shell keeping the control unit and wire harness protected from damage.

Despite its size, the Mini FCU actually expands on the functionality of the Standard FCU by adding an integral Motor Control Unit and support for 4-position selectors. In order to make setup as easy as possible the MCU output port can be used with either a box mag or optional speaker to provide feedback during programming.

Features & Specs:

  • Manufacturer: PolarStar
  • Model: F1 Mini FCU
  • Circuit Board to control PolarStar F1
  • No Solenoid MOSFET, Joystick, and LCD allows smaller size
  • Can be kept inside the gearbox shell to protect from damage
  • New Voltage Regulators allow for extremely low power consumption
  • 300x Efficient than the Standard FCU
  • Pre-wired easy plug-in
  • No Soldering Required
  • Made in USA


  • For PolarStar F1 and Jack

Package Includes:

  • 1x PolarStar F1 Mini FCU


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