AP12 pump is a vertical single-stage stainless steel submersible pump with vertical discharge port and integrated submersible three phase canned motor in insulation Class F with thermal overload protection. The pump is fitted with suction strainer and level switch for automatic start and stop. The impeller is a SEMI OPEN impeller for 12mm free passage suitable for pumping ground water, surface water, rain water and similar. The pump has a double shaft seal and an intermediate oil chamber pre-filled with non-toxic special oil. The pump has a riser pipe, a cooling jacket for continuous cooling of the motor by the pumped liquid and long-life deep-groove greased-for-life ball bearings. The pump is ready for use as it is fitted with carrying handle and is supplied with a10 meter mains cable. The mains cable is of the plug type with glass sealing compound in the socket to prevent penetration of humidity into the stator windings.