Hydrocontrol - the flexible open source Electronic Load Controller / Induction Generator Controller for micro hydro power
20A = up to 5 kW per phase (240V) or 2.5kW (120V)
50A = up to 12kw per phase (240V) or 6kW (120V)
200A = up to 50kW per phase (240V) or 25kW (120V)
The price includes the necessary connectors, wiring and software settings.