On-board controller for a water pump with variable speed.

Speedboard is a frequency controller for the control of water pumps. It offers constant pressure at variable speed depending on the demand of water. The assembly can be individual or up to groups of four pumps, working in Master-Slave model with alternation in the sequence of power-ups.
Voltage input: 1x230V or 3x400V.
Voltage output: 1x230V or 3x230V or 3x400V.