PowerBox Sensor Switch (MPX/JR) - 6321

  • Shipping Weight: 0.1lbs
  • Manufactured by: PowerBox-Systems

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$135.89CDN  $95.12CDN
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Since 2003 there has been a name for dual security in minimum space: PowerBox Sensor!

The PowerBox Sensor is probably the best-known product in the PowerBox portfolio. The two voltage regulators allow it to be used for virtually any application where double security is required in conjunction with modern battery technology. The unit's small physical size and low weight make it very simple to install in any small to medium-sized model.

The PowerBox Sensor provides genuine redundancy in the power supply system, and is in no way inferior to its big brothers in terms of security, as it features two integral, completely independent regulatory and switching systems. Other comparable products available commercially boast of duplication, but this always simply refers to the number of batteries connected to the system. Our backer is actually fitted with two micro-controllers, two regulatory circuits, two switch circuits and a dual voltage monitoring circuit.

In order to be able to use modern battery types such as LiPo and LiFePo, the two integral regulators reduce the battery voltage to 5.9 V, which is the correct value for 6 V servos. The unit is also a good choice for capping the voltage of 5S NiMH packs at 5.9 V, as the voltage of these batteries can be excessive when fully charged. Regulating the voltage extends the useful life of the servos, and ensures constant servo torque and transit speed - regardless of the state of charge of the batteries.

Two tri-colour LEDs indicate the state of charge of the batteries in four stages. The backer also includes a minimum voltage memory which stores the lowest voltage value which occurs during a flight, enabling the pilot to monitor his batteries more accurately. After the flight the minimum value can be read from the LEDs by pressing buttons I and II.

This version features MPX input connectors and JR output connectors is regulated to an output of 7.4v.


Operating voltage4.0V - 9.0V
Power supply2S LiPo, 2S LiIon, 2S LiFePo, 5S NiCd/NiMH
Current drain Power-on state30mA
Current drain Standby5µA
Maximum load currentPeak 2x4A
Drop-out voltage0.3V
Output voltage5.9V regulated
Dimensions65 x 23 x 26 mm

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