The ST20 is a timer relay switch that can be used to control the PUMP by time that we can select in case of failure
of our remote station system between tank and pump. The result is that in case o failure of remote system
our pump is working with time that the user have select. When the system is ok again the timer goes off
and the system is working again with the water level switch by remote.

Specifications

Supply voltage: 230 V ac ~ / 50HZ

Contact relay output: 10A 250V ~

Illustration: LCD liquid crystal display

Protection class: IR20V

Operating temperature: -20 +50 C (-4 +122 F)

Housing: Self extinguishing plastic box