K90 Series Single-phase or three-phase 2 or 4 poles Closed, self-cooled asynchronous motor with aluminium alloy cover for continuous S1 duty in any position, turning in both directions. Squirrel cage rotor on a steel shaft, turns on precision ball bearings, with maintenance-free lubrication. Fixing by flange attachment or legs B3. SINGLE-PHASE: 230V-50Hz, 2 or 4 poles, with a permanently connected capacitor (ask about other specifications). THREE-PHASE: 230/400V-50Hz, 2 or 4 poles (ask about other specifications). Built-in brake possibility. Operating room temperature: -20 to 45°C, with overheating T 70°C. Assembling possibility to our gearboxes, series: K80, K200 or WM26.