Datasheet

SOLAR CHARGE CONTROLLERS
Steca PR 10-30
1010, 1515, 2020, 3030
The Steca PR 10-30 series of charge controllers is the highlight in the
range. Use of the latest charging technologies combined with state
of charge determination enable optimal battery maintenance and
module power monitoring. A large display informs the user about all
operating modes with the aid of symbols. The state of charge is
represented visually in the form of a level meter. Data such as
voltage, current and state of charge can also be displayed digitally as
figures on the display. In addition, the controller has an energy
meter which can be reset by the user.
Product features
Shunt topology with MOSFETs
State of charge determination with Steca AtonIC (SOC)
Automatic detection of voltage
PWM control
Multistage charging technology
Load disconnection depending on SOC
Automatic load reconnection
Temperature compensation
Negative earthing of one or positive earthing of several terminals
possible
Integrated data logger (energy meter)
Evening, night light and daylight functions
Integrated self test
Monthly equalisation charge
Electronic protection functions
Overcharge protection
Deep discharge protection
Reverse polarity protection of module, load and battery
Automatic electronic fuse
Short circuit protection of load and module
Overvoltage protection at module input
Open circuit protection without battery
Reverse current protection at night
Overtemperature and overload protection
Load disconnection on battery overvoltage
Displays
Graphical LCD display
for operating parameters, fault messages, self test
Operation
Simple menu-driven operation
Programming by buttons
Manual load switch
Options
Alarm contact
Certificates
Approved by the World Bank for Nepal
Compliant with European Standards (CE)
RoHS compliant
Made in EU
Developed in Germany
Manufactured according to ISO 9001 and ISO 14001
Accessories
External temperature sensor Steca PA TS10
PR 1010 PR 1515 PR 2020 PR 3030
Characterisation of the operating performance
System voltage 12 V (24 V)
Own consumption 12.5 mA
DC input side
Open circuit voltage solar module (at
minimum operating temperature)
< 47 V
Module current 10 A 15 A 20 A 30 A
DC output side
Load current 10 A 15 A 20 A 30 A
Reconnection voltage (SOC / LVR) > 50 % / 12.6 V (25.2 V)
Deep discharge protection < 30 % (SOC /
LVD)
< 30 % / 11.1 V (22.2 V)
Battery side
End-of-charge voltage 13.9 V (27.8 V)
Boost charge voltage 14.4 V (28.8 V)
Equalisation charge 14.7 V (29.4 V)
Set battery type liquid (adjustable via menu)
Operating conditions
Ambient temperature -10 °C … +50 °C
Fitting and construction
Terminal (fine / single wire) 16 mm² / 25 mm² - AWG 6 / 4
Degree of protection IP 31
Dimensions (X x Y x Z) 187 x 96 x 44 mm
Weight 350 g
Technical data at 25 °C / 77 °F
Inverters must not be connected to the load output.
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