Variable frequency driver
Pump driver on-board assembled for a single pump ,single-phase or 3-phase, up to 14A working in variable speed by an inverter. General electrical supply could be single-phase or 3-phase (~3x230 /~3x400) Vac depending on the models. It can be mounted individually or in groups of 4 pumps communicated and operating in master-slave mode with alternated sequence of operation. It will be installed over the motor through fastenings.

Additional information: