Very powerful and versatile submersible motor pump for stationary and portable use. It pumps faecal-free wastewater with a grain size of up to 10 mm, and the removable strainer basket allows for an increased passage of up to 20 mm. The pump is designed for continuous operation when submerged and features built-in flat suction, a rinsing device, an automatic switch, and a variable pressure outlet. It is dry-running safe and offers a free passage of 10/20 mm with GID technology. Additionally, it includes a non-return flap for transportable use and a longitudinally watertight moulded pipe entry.