30 For an optimum and reliable function please use only original IVT accessories Shunt Solar Controller 12 V 24 V 8 A and 20 A The cost effective 8 A and 20 A shunt solar controllers are ideal for small and medium size solar systems They recognize independently whether a 12 V or a 24 V system is connected The shunt charge controllers are equipped with the essential regulating and protective functions which are required for gentle and safe charging and discharging of lead acid and lead gel batteries PWM charging method see page 47 Overcharging protection Gassing regulation Deep discharge protection Deep discharge protection The integrated deep discharge protection automatically turns the load output off as soon as the battery voltage drops below the minimum voltage If the battery has been recharged and the battery voltage rises above the reactivation voltage the solar controller turns the load output on automatically Overcharging is prevented by virtue of the integrated overcharging protection Automatic temperature compensation The temperature sensor built in for the 8 A external for the 20 A allows for the best possible charging of the battery in the case of fluctuating temperatures The cut off voltage and the gassing end voltage are adapted dynamically to the prevalent temperatures In the case of high temperatures the cut off voltage will be decreased at low temperatures it will be increased Gassing regulation If a lead battery is operated for a longer period of time without a controlled gas development harmful acidic layers may be built The solar controller eliminates or prevents respectively the forming of acidic layers by means of controlled gassing This behavior also depends on the temperature and is compensated by the integrated or external temperature sensor respectively LED indicator The two LEDs inform about the real time charging condition as well as about the operation status of the battery SHUNT CHARGE CONTROLLER GENTLE RELIABLE CHARGING Shunt Solar Controller Features Shunt charging regulation Pulse width modulated charging control PWM Suitable for lead acid and lead gel batteries Automatic voltage recognition 12 V 24 V Controlled temperature dependent gassing 8 A version with integrated temperature sensor 20 A version with external temperature sensor Temperature compensated charging Low internal current consumption LED battery status indicator Robust metal housing Equipped with all important protective functions Delivery content Solar Controller 12 V 24 V 8 A Solar controller Operation manual in DE GB FR NL Delivery content Solar Controller 12 V 24 V 20 A Solar controller External temperature sensor Operation manual in DE GB FR NL MANUFACTURER W A R R A N T Y Y E A R S 3 Made in European Un io n PWM Shunt charging regulation System voltage 12 V 24 V DC Suitable batteries lead acid and lead gel Load output 12 V 24 V DC

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