Steca TAROM 235 40A 48V Solar Charge Controller

The Steca TAROM 235 40A 48V Solar Charge Controller is no longer available from Infinigi.

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Steca Tarom

The Steca Tarom is a solar charge controller specifically designed for use in telecommunications applications or in hybrid photovoltaic systems.

Numerous clever functions allow the user to adjust the controller to the particular features of the system in question. Thanks to the significantly improved state of charge determination, the system is optimally controlled and batteries are protected. The Steca Tarom charge controller is the best choice for system sizes of up to 2400 Wp at three voltage levels (12 V, 24 V, 48 V).

There is the option of connecting additional devices such as a temperature sensor, a data logger and a remote control for configuring and monitoring the system. An integrated Ah meter also provides the user with information on the energy budget of the application.

Product features of Steca TAROM 235 40A 48V Solar Charge Controller

  • Hybrid controller
  • 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
  • Common positive grounding or negative grounding on one terminal
  • Integrated data logger
  • Night light function with Steca PA 15
  • Integrated self test
  • Monthly maintenance charge
  • Integrated energy meter



Electronic protection functions

  • Overcharge protection
  • Deep discharge protection
  • Reverse polarity protection of load and module
  • Reverse polarity protection by internal fuse
  • 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
  • Battery overvoltage shutdown




  • Text LCD display
    - for operating parameters, fault messages, self test




  • Simple menu-driven operation
  • Programming by buttons
  • Manual load switch




  • RJ45 interface




  • External temperature sensor
  • Alarm contact




  • Approved by the World Bank for Nepal
  • Compliant with European Standards (CE)
  • Made in Germany
  • Developed in Germany
  • Manufactured according to ISO 9001 and ISO 14001


Also Known As:

  235 245 440

Characterisation of the operating performance
System voltage 12 V (24 V) 48 V
Own consumption 14 mA

DC input side
Module current 35 A 45 A 40 A

DC output side
Load current 35 A 45 A 40 A
End of charge voltage 13.7 V (27.4 V) 54.8 V
Boost charge voltage 14.4 V (28.8 V) 57.6 V
Equalisation charge 14.7 V (29.4 V) 58.8 V
Reconnection voltage (SOC / LVR) > 50 % / 12.6 V (25.2 V) > 50 % / 50.4 V
Deep discharge protection (SOC / LVD) < 30 % / 11.1 V (22.2 V) < 30 % / 44.4 V

Operating conditions
Ambient temperature -10 °C … +60 °C

Fitting and construction
Terminal (fine / single wire) 16 mm2 / 25 mm2 - AWG 6 / 4
Degree of protection IP 32
Dimensions (X x Y x Z) 187 x 128 x 49 mm
Weight 550 g
Note: Specifications and pricing of the Steca TAROM 235 40A 48V Solar Charge Controller subject to change without notice. Illustrations and descriptions of the Steca TAROM-440 do not claim to be complete or exhaustive.
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