High-efficiency electric submersible pumps for raising waste water. Expressly designed for pumping residential and industrial waste, in drainage lifting stations and water treatment plants. Single-and double-channel hydraulics or with retracted open impeller, ideal to convey liquids with high concentrations of solids. Impellers with anti-clogging device, double mechanical seal for motor protection, oil chamber and conductivity probe. High efficiency low temperature motors, for use in a dry chamber too. A modern and professional range to ensure the best results in cutting running and maintenance costs in residential and industrial systems. Also available in an explosion proof version conforming to ATEX II 2G Exd IIB T4.