... / Class FProtection: IP44 / IP54Cooling: External VentilationWith thermal overload protector in single phase motorOperating ConditionSuction head up to ... Ltd. is specialized in manufacturing and exporting a wide range of electromechanical products , covering Alternators, Generators, Electric ... 2008, CE,SGS and CQC certifications. Professional R&D system, standard technology, a skilled QC team ...