Product Description
Intelligent Pump Control Box, Model M521 is applied for automatic liquid level control, pressure control and protection for submersible pump / centrifugal pump / pipeline pump / sewage pump etc with AC220V (50Hz) / AC230V (60Hz), single phase , 0.37-2.2kw (0.5hp-3hp), direct start type .Its special layout makes it possible to realize the sensitive and reliable function of stopping protection against pump dry running without installing lower water tank (well) probe, which makes it more convenient and economical to install deep-well submersible pump and pipeline pump.

Product Specification/Models
M521