Steca Solarix PRS 2020


Solar Charge Controller Steca Solarix PRS 2020 12/24V / 20A solar module current / 20A load current / LED

SKU 101477
Weight 0.34 (0.42) kg
Size 187 x 96 x 45 mm
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Solar Charge Controller Steca Solarix PRS 2020 12/24V / 20A solar module current / 20A load current / LED

The characteristics of the new Steca Solarix PRS solar charge controller are simplicity and high performance. Steca have used their latest algorithms to achieve optimal battery maintenance.

The Solarix PRS charge controllers are equipped with an electronic fuse, ensuring optimal protection. They operate on the serial principle, and separate the solar module from the battery to protect it against overcharging.

The Solarix PRS charge controllers are universal: they can be used with lead-acid batteries or gel batteries without the need for complex configuration settings. For larger projects, special functions can be added to the charge controllers: night light function, selectable charging plateau, and deep discharge protection voltages.


  • Low-loss serial controller
  • PWM-controlled constant-voltage charging
  • Battery charging with automatic charging mode selection (float, boost, equal)
  • Recognises and carries out a maintenance charge (boost charge every 30 days if idle)
  • Automatically adjusts to the voltage level 12 V/24 V
  • Current-dependent load deactivation
  • Automatic load reactivation
  • Temperature compensation
  • Grounding on the plus side
  • Integrated self test (start voltage 17.0 V)


  • 4 separate LEDs to display the battery charge status
  • LEDs (red/green) to display the function status

Protection functionality

  • Battery-overload protection (HVD)
  • Deep-discharge protection (LVD)
  • Automatic electronic fuse
  • Reverse-polarity protection at module input, of the load and the battery connection
  • Short-circuit protection of the load and the module
  • Good electromagnetic compatibility
  • Idling protection in case no battery is connected
  • Prevention of back current into the module
  • Integrated temperature compensation of the end-of-
  • charge voltage (0 °C to +50 °C, factor -4mV/K/cell)


  • Manufactured in a DIN EN ISO 9001:2000 and DIN EN ISO 14001 facility
  • Conform to European Standards (CE)

Article No 101477

Additional information

Weight 0.42 kg
Dimensions 195.00 × 105.00 × 50.00 cm


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