Easy to use charge controller
LED display
Automatic battery voltage detection
Full load protection
Low self consumption
Solar charge controllers Steca Solsum 2525 and 4040 are newly developed products based on our internationally renowned controller family Solarix PRS. With increased module and load current, the controllers are now also suitable for even larger systems. The devices also feature an integrated USB charging port for charging smartphones and tablets. the controllers demonstrate impressive performance, are simple to use and offer unbeatable value for money.
Product features
-Serial topology with MOSFETs
-Automatic detection of voltage
-Voltage regulation
-PWM control
-Multistage charging technology
-Current compensated load disconnection
-Automatic load reconnection
-Temperature compensation
-Negative earthing of one or positive earthing of several terminals possible
-Monthly equalisation charge
-USB charge socket for smartphones and tablets
Electronic protection functions
-Overcharge protection
-Deep discharge protection
-Reverse polarity protection of module (≤36 V),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

Easy to use charge controller
LED display
Automatic battery voltage detection
Full load protection
Low self consumption
Solar charge controllers Steca Solsum 2525 and 4040 are newly developed products based on our internationally renowned controller family Solarix PRS. With increased module and load current, the controllers are now also suitable for even larger systems. The devices also feature an integrated USB charging port for charging smartphones and tablets. the controllers demonstrate impressive performance, are simple to use and offer unbeatable value for money.
Product features
-Serial topology with MOSFETs
-Automatic detection of voltage
-Voltage regulation
-PWM control
-Multistage charging technology
-Current compensated load disconnection
-Automatic load reconnection
-Temperature compensation
-Negative earthing of one or positive earthing of several terminals possible
-Monthly equalisation charge
-USB charge socket for smartphones and tablets
Electronic protection functions
-Overcharge protection
-Deep discharge protection
-Reverse polarity protection of module (≤36 V),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