One Button Calibration Single Phase Pump Control Panel for Single Phase With CE certificate

1 About Product 1)Description One Button Calibration, Pump Control Box for Single Phase With CE certificate Intelligent Pump Controller model S521 is an easy to use, programmable controlling & protection device for direct start, single phase deep well, submersible pump, centrifugal pump, pipeline pump etc with output power from 0.37KW to 2.2KW (0.5HP-3HP). Model S521 has many operation modes by adopting different electric installations. An important feature that makes the