Madison, Wisconsin, USA – February 28, 2023 – Franklin Electric has announced the availability of the new Guardian Series™ Three Phase Pump Controller. The Three Phase pump controller takes a major leap forward in fixed speed Submersible Turbine Pump (STP) control. Built upon the fixed speed Single Phase Guardian Controller platform, three phase fixed speed pump controllers feature an enhanced user interface, greater functionality, and higher performance compared to standard control boxes.
Updated surge protection and pump relay circuitry improves the controller's ability to handle challenging incoming power. Additionally, over voltage protection and enhanced underload detection better protects pumping system equipment. where an integrated RS-485 communication port provides added functionality via Turbine Pump Interface.