For wet and dry vacuum cleaner.
TP = Thermal Protector, the engine shuts off when it overheats. Bypass - Motor i.e. separate intake and cooling air, the lower part is sealed off and the electrical equipment is cooled by a built-in cooling fan. Peripheral air outlet, i.e. The intake air is blown out through the engine slots.
Overall height 169 mm, height 67 mm turbine, turbine diameter 144 mm. With ring Total height 176 mm.