Description
12/24V / 20A module current / 20A load current / graphic LCD / alarm contact / IP65
The PR 2020-IP design is based on Steca’s PR charge controller series. It has an LCD which shows the accurate state of charge (SOC) as a percentage, and also as a battery gauge symbol. The heart of the controller is the integrated circuit called ATONIC II, which contains improved regulation software based on a self learning algorithm.
The Steca PR 2020-IP controller operates in harsh environments, for example where there is salt, moisture or dust. It works on PWM as a low loss series controller.
Features
- PWM shunt battery charging
- State of charge (SOC) battery regulation
- Built in Ah counter
- Boost-, Equalising-, Float charging
- Automatic load reconnection
- Automatic selection of voltage (12 V / 24 V)
- Temperature compensation
- Positive grounding (or) Negative grounding on one terminal
- Field adjustable parameters by two buttons
- Lighting control options during nighttime
- Optional potential free alarm contact
- Optional: external temperature sensor
Protection functionality
- High voltage disconnect (HVD)
- Low voltage disconnect (LVD)
- Dept of discharge disconnection (DOD)
- Reverse polarity of solar modules
- Reverse polarity of load & battery
- Short circuit of solar modules
- Short circuit of load
- Over temperature
- Over voltage
- Lightning protection by varistor
- Open circuit battery
- Reverse current at night
Article No 321217
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