Steca SOLSUM 10.10F Charge Controller 10A with Low Voltage Disconnect

The Steca SOLSUM 10.10F Charge Controller 10A with Low Voltage Disconnect is no longer available from Infinigi.

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Steca SOLSUM 10.10F Charge Controller 10A with Low Voltage Disconnect

SOLSUM 8.8F Charge Controller 8 amp w/LVD

The Steca Solsum F-Line continues the huge success of one of the most used SHS controllers. With a power range of up to 10 A at automatically recognized 12 V or 24 V it fits to a system sizes of maximum 240 W.

The circuit board is completely electronically protected and with the LED user interface it is easy to check the battery state of charge at any time.  Large terminals guarantee a simple connection of solar panels, battery and load. The Steca Solsum F works on PWM as a low loss series controller.

Product Features

  • Series controller
  • Voltage regulation
  • Automatic detection of voltage
  • PWM control
  • Multistage charging technology
  • Current compensated load disconnection
  • Automatic load reconnection
  • Temperature compensation
  • Common positive or negative grounding on one terminal
  • Monthly maintenance charge

Electronic protectionfunctions

  • 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
  • Battery overvoltage shutdown


  • Multifunction LED display
  • Multi-coloured LED
  • 4 LEDs show operating states - for operation, state of charge, fault messages


  • Night light function pre-set in the factory or adjustable via Steca PA RC 100
  • Parameterisation of function values via Steca PA RC 100


  • Compliant with European Standards (CE)
  • RoHS compliant Developed in Germany
  • Manufactured according to ISO 9001 and ISO 14001

Also Known As:

Characterisation of the operating performance
System voltage 12 V (24 V)
Own consumption < 4 mA
DC input side
Open circuit voltage solar module < 47 V
Module current 6 A 8 A 10 A
DC output side
Load current 6 A 8 A 10 A
End of charge voltage 13.9 V (27.8 V)
Boost charge voltage 14.4 V (28.8 V)
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)
Operating conditions
Ambient temperature -25 °C … +50 °C
Fitting and construction
Terminal (fine / single wire) 4 mm2 / 6 mm2 - AWG 12 / 9
Degree of protection IP 32
Dimensions (X x Y x Z) 145 x 100 x 30 mm
Weight approx. 5.3 lbs (150 g)
Note: Specifications and pricing of the Steca SOLSUM 10.10F Charge Controller 10A with Low Voltage Disconnect subject to change without notice. Illustrations and descriptions of the Steca SOLSUM 10.10F do not claim to be complete or exhaustive.
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