Single-stage submersible water pump, hand-held and easily portable, has a powerful 230V motor. It has a built-in engine protection device with automatic reset when any problem occurs. It has a back impeller suitable to lift waste liquids even with suspended solids. Able to drain infiltrating water, cesspools or reservoirs, decanting water and clean, dirty or muddy swimming pools and can be submerged to a depth up to 5 meters.