E-versions have a built-in variable frequency drive with high-efficiency permanent magnet MGE motor up to 11 kW with IE5 efficiency rating.
Dry running protection. The system will stop if there is no water in the pipes and can easily be set up to react to a digital input - for example, from a pressure switch or an inlet pressure measurement.
Configure standby pumps. The pumps will still alternate automatically to ensure that all pumps run at some stage and no pumps seize up.
Maximum pressure alarm. A dedicated function monitors the discharge pressure and gives a warning or alarm if a defined limit is exceeded.