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Marlec - Steca solar regulators

Marlec - Steca solar regulators



Article Number:  CA-11/14

Price:  £23.95(Inc. VAT @ 20%)

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

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Solsum Regulator 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 grounding or negative grounding on one terminal
  • Monthly maintenance charge

Electronic Protection Functions:

  • Overcharge protection
  • Deep discharge protection
  • Reverse polarity protection of load, module 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


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


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

  6.6F 8.8F 10.10F
Characterisation of the operating performance
System voltage 12V(24V)
Own consumption <4mA
DC input side
Open circuit voltage solar module
(at minimum operating temperature)
Module Current 6A 8A 10A
DC output side
Load current 6A 8A 10A
End of charge voltage 13.9V (27.8V)
Boost charge voltage 14.4V (28.8V)
Reconnection voltage (SOC/LVR)

>50% / 12.4v...12.7V

Deep discharge protection (SOC/LVD)


Operating conditions
Ambient temperature -25°C...+50°C
Fitting and construction
Terminal (fine/single wire) 4mm² / 6mm² - AWG 12 / 9
Degree of protection IP 32
Dimensions 145 x100 x 30mm
Weight Approx. 150g

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