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Charging regulators

A charging regulator in an off-grid PV system is a device necessary to ensure correct operation of the whole system. It connects PV panels, the battery and receivers.

A charging regulator (B) ensures that such parameters as current and voltage on a PV panel output (A) are transformed in such a manner that a battery (C) is charged with correct current and voltage. The lack of a regulator in such systems would result in significant decrease in battery lifetime and its total damage (frequent charging of a battery directly from PV panels results in its early failure!). Moreover, a regulator ensures that the energy transferred from loads (E) to a battery is used rationally. It means that, when a battery is discharged below a safe level, the regulator disconnects loads to avoid excessive battery discharge and decreasing its lifetime.


Charging regulators manufactured by Steca (a German manufacturer of electronic equipment) ensure highest quality, low purchase outlays and very long lifetime. Such factors as their cutting-edge design and operational precision make them an ideal solution for off-grid PV systems operating around the world.

 

  Operating voltage [V] Maximum input current [A] Technical specification
Steca Solsum F 12 / 24 10 Download
Steca Solarix PRS 12 / 24 30 Download
Steca Solarix MPPT 12 / 24 18 Download
Steca PR 12 / 24 30 Download
Steca Tarom 12 / 24 / 48 45 Download
Steca Tarom MPPT 12 / 24 / 48 2x 30 Download
Steca Power Tarom 12 / 24 / 48 140 Download

Legend of symbols used in technical specifications of products

The device is particularly effective in home solar systems.
The device is particularly effective in mobile systems and at camp sites.
The device is effective in night-time illumination systems.
Maximum input power from connected solar panels.
The device is effective in systems of higher output or in supplying all settlements with power.
The device is specially designed for all telecommunication applications.
The device calculates the battery charge level using an AtonIC processor.
The device comes with a digital display showing various system information.
The device is extra protected against moisture and corrosion.
The device transmits data using lines, phone or wirelessly.

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