Submersible pump for stationary and portable wet well installation in intermittent operation. For the pumping in domestic areas of: *Sewage not containing faeces *Wastewater (with small amounts of sand and gravel) Sewage pump with vortex impeller and vertical threaded connection. Hydraulics housing made of grey cast iron, impeller made of plastic. Surface-cooled 3~ motor with self-switching thermal motor monitoring. Stainless steel motor housing. Oil-filled sealing chamber with double sealing: a rotary shaft seal is installed on the motor side, a mechanical seal on the pump side. Detachable connection cable with bare cable end, for fixed connection to on-site controls. Pump without float switch and plug! Note: Sewage containing faeces can be pumped when the pump is installed in the DrainLift WS 50 pump chamber. The system has been approved in accordance with EN 12050-1.