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Phocos MPPT 100/40 Maximum Power Point Tracker (12/24V)

Phocos MPPT 100/40 Maximum Power Point Tracker (12/24V)
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Phocos MPPT 100/40




Phocos MPPT 100/40
Maximum Power Point Tracker 12/24V, 40/0A, max. panel 100V

MPPT solar charge controller for 12/24V photovoltaic systems

Phocos MPM main controller within the Phocos Modular Power Management PV off-grid system

With innovative maximum power point tracking technology, Phocos‘ MPP tracker insures maximum performance from your solar array at all times and in all weather conditions. The MPPT can yield an energy gain from your PV array (up to 30%). When a central unit is used, up to 8 MPPTs can be operated in one system. The charge regulation is then done via data bus by the central unit. This will enable you to increase your system capacity substantially. The temperature-compensated three-stage I-U curve charge regulation algorithm significantly extends the lifespan of your battery. The possibility to use less expensive grid-feedin solar panels with up to 95 V open circuit voltage for 12 V or 24 V stand-alone systems will significantly reduce the cost of the total system.

Key advantages:


  • Maximum Power Point Tracking technology increases the efficiency of your PV system

  • Less expensive solar panels for grid-feed-in systems can now be used for 12/24 V off-grid systems

  • Electronic protection (reverse polarity, overcurrent, short-circuit, overtemperature)

  • High efficiency

  • DIN rail compatible

  • Negative grounding


Phocos MPPT charge controller, within MPM system

for more diagrams see here...


Example: PV solar off-grid diagram with Phocos MPPTExample: PV solar off-grid diagram with Phocos MPPT



Why to use MPPT charge controller ?

They are two fundamental reasons: system efficiency and applicable for big PV panels.

Because they allow PV modules to operate at their higher optimum voltage in varying light conditions: summer, winter, morning, noon, cloudy etc. The MPPT charge controller takes the voltage output of the solar panels and compares it to the battery voltage. It figures out what is the best voltage to get maximum current (A) into the battery. Or said in another way, the MPPT controller tracks the best voltage level and then down converts it to the voltage of batteries. MPPT (Maximum Power Point Tracking) charge controller calculates in real-time the optimal charging parameters, continuously by its internal algorithmMPPT tracking of the optimal power point, improves performance by as much as 30% (annual energy production), compared with the PWN charge controller.

PWM (Pulse Wide Modulation) charge controller, works based on 1/2/3 or 4-stage charging method (switching between constant stages according to the occurring PV voltage and current).

The MPPT charge controller are most effective in following conditions:

in cold weather, cloudy or hazy days (fall/winter/spring) and in low temperature conditions. PV module works better at cold temperatures and MPPT is utilized to extract the maximum power available from the module

when battery is deeply discharged: MPPT can extract more current (A) and charge the battery, if the state of charge in the battery is lower.


 Phocos MPPT - Datasheet
 Phocos MPPT - User Manual
 Phocos MPPT - CE Certificate
 Phocos MPPT - BOX CE Certificate
 Phocos MPM System -Description

 Phocos MPM System - Overview DIP switch settings in Modular Components MPS, MPPT i MCU

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