Regulator Steca PRS 2020

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  139.76 €

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Regulator Steca PRS 2020

The Solar charge Regulator Steca Solarix PRS 2020 It surprises both for its simplicity and its power, and offers at the same time a modern design and a comfortable display of handling at an unparalleled price.

The Steca Solarix PRS 2020 Has Several LEDs of different colors inform at first sight about the state of charge of the battery. Here come into action the modern algorithms of Steca, which ensure optimal battery care. The Solarix PRS load regulators are equipped with an electronic fuse that guarantees excellent protection. They work in series and separate the solar module from the battery to protect the latter against overload.

In addition, they can be equipped with special functions for major projects. Examples of this are the night-light function and the selectable voltages, both at the end of the load and in the total discharge.

Product Features
  • Serial topology with MOSFETs
  • Automatic voltage Selection
  • Voltage regulation
  • MAP regulation
  • Staggered load Technology
  • Disconnection of load depending on the current
  • Automatic reconnection of the consumer
  • Temperature compensation
  • Possible a negative grounding of a terminal or positive of several terminals
  • Monthly compensation charge
Electronic protection functions
  • Overload protection
  • Protection against total discharge
  • Reverse-polarity protection of modules (≤ 36 V), charging and battery
  • Automatic Electronic fuse
  • Protection from load short-circuit and solar modules
  • Surge protection at module input
  • Battery-free open circuit protection
  • Reverse current protection at night
  • Overtemperature and Overload protection
  • Overvoltage Disconnect on battery
  • Multifunctional LED Display
  • Multi-color LED
  • 5 LEDs indicate operating status
  • For operation, load status, fault warnings
  • Factory evening or night light function or configurable by Steca PA RC 100
  • Parameterization of functional values with Steca PA RC 100
  • Conforming to European standards (CE)
  • Compliant to RoHS
  • Manufactured in EU
  • Manufactured in conformity with ISO 9001 and ISO 14001
  • Steca PA RC100


Technical Specifications

PRS 1010

PRS 1515

PRS 2020

PRS 3030


System tension

12 V (24 V)

Own consumption

< 4 MA

DC input data

Solar module Open circuit voltage (with minimum service temperature)

< 47 V

Module current

10 to

15 to

20 to

30 to

DC output data

Consumption current

10 to

15 to

20 to

30 to

Reconnection Voltage (LVR)

12.4 V... 12.7 V (24.8 v... 25.4 V)

Deep discharge Protection (LVD)

11.2 V... 11.6 V (22.4 v... 23.2 V)

Battery data

Battery voltage

9 V... 17 V (17.1 v... 34 V)

Final load tension

13.9 V (27.8 v)

Reinforced load Tension

14.4 V (28.8 v)

Compensation load

14.7 V (29.4 v)

Adjusting the battery type


Terms of Use

Ambient temperature

-25 °c... + 50 ° C

Equipment and Dieseño

Terminal (thin/single cable)

16 mm ²/25 mm ²-AWG 6/4

Degree of protection

IP 31

Dimensions (x x Y x Z)

187 x 96 x 45 mm


345 g


Additional product information

Handbook Download

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