Digital Mobile Pump Controller , Water Level Controller For Submersible Pump

Digital Three Phase Submersible Pump Controller - Auto And Manual,0.75-15KW ,With One Button Calibration. Products Brief : M931 is applied for automatic liquid level control / pressure control and effective protection for single pump of with AC380V, 50hz, three phase output power 0.75KW-15KW (1HP-20HP),direct start, including stainless steel or cast iron submersible pump,centrifugal pump, sewage pump etc. Model M931 has many operation modes by adopting different electric