STRUCTURAL CHARACTERISTICS DELIVERY BODY : cast iron, with UNI ISO 228/1gas threaded vertical delivery opening. BASE: cast iron. IMPELLER: cast iron/brass MOTOR SHAFT: AISI 314 stainless steel. MECHANICAL SEAL: carbon/alumina. MOTOR: sealed induction MOTOR with double impregnated class F winding (ensuring extended motor life and wide range of use).The thermal cutout relay (motor protector) is incorporated in single phase models (0.55kW~2.2kW),In the three phase versions (0.75kW up) three thermal overload connected by motor control box. SUPPLY CABLE: supplied standard with 5 metres of cable and plug. EXTERNAL FLOAT switch: standard equipment. PROTECTION: IP 68. WARRANTY: 1 year.