The universal sludge pump with a 900 W electric motor can pump up to 14 000 L per hour. The maximum submersion depth is 8 m and delivery height of this pump is 10 m. The maximum size of solid particles in the liquid is 25 mm. Automatic activation when a certain liquid level is reached and likewise deactivation when the level falls below the permitted limit is performed by a float switch. The switch can also be partially set to change these limit points.