Solar Controller 1,Solar controller with 53 systems 2,Various protections for solar system, 3,With ... sensors2 piece Pt1000 sensor(≤500°C) for collector (silicon cable≤280°C), Sensor for collector4 pieces NTC10K, B3950 sensor ... (≤ 135°C) for tank, (PVC cable ≤105°C),Sensor for tankOutputs5 relays, for circulation pumps or ... in Italy PHNIX PSC-500 solar controller 53 systems operating