Aluminium alloy body. Stainless steel 4-blade propeller. Clutch shaft mounted on sealed ball bearings. Output connections with shockproof thermoplastic cable gland G 1/2” . Storage and transport temperature: -25 ÷70°C. Unit weight: 2. 2 Kg. Electric featuresSynchronous motor: 4. 5VA, supply voltage 230Va. c. 50Hz. 2 SPDT microswitches : one for motor control, one for operation. Rated insulation voltage Ui 380V~Continuous duty rated current Ith 10A