A.C. asynchronous motors K90 Series - KELVIN - #1

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K90... series FORCED COOLING and 502 ENCODER. (Supports not included) ASYNCHRONOUS MOTOR 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 with a seal in each extreme, turns on precision ball bearings, with maintenance-free lubrication. ð¯ Construction. For flange attachment. ð¯ Protection. IP55 (CEI 529). ð¯ Insulation. Class F CEI 85 (EN 60204-1). ð¯ Voltage test. EN 60204-1. ð¯ Performance. Depending on connection, / . ð¯ SINGLE-PHASE. 230 V. 50 Hz. 2 and 4 poles, with a permantly connected capacitor (Ask about other specifications). ð¯ TRIPLE-PHASE. 230/400 V. 50 Hz. 2 and 4 poles (Ask about other specifications). ð¯ Turning direction change. ð¯ In Single-phase mode, the rotor must be stopped. ð¯ In Triple-phase mode, by inverting two of the phases. ð¯ Limit operating temperature. -20 to 45°C, with overheating T 70°C. ð¯ OPTIONS. ð¯ Electromagnetic brake: The brake will operate when there is no power suply on the motor and does not require external connections or operations. ð¯ CHARACTERISTICS: Braking torque 0.35 Nm. Braking time to a full stop, less than 200 milliseconds. Power, 14 W. - 15 VA. ð¯ NO LOAD OPERATIONS NUMBER: With relay commutation. • 2 x 106 operations. With static commutation. > 6 x 106 operations. ð¯ Independent brake connection by flexible cables 200 mm. long with an internal rectifier. 再Flange attachment. Mounting B14. ð¯ With supports. Mounting B3. ð¯ COUPLING. ð¯ With forced cooling, for: ð¯ Frequency converters. ð¯ Speed variator, up to 20/1,only for 4 poles motors, with optoelectronic encoder 2 channels, O.C. output, 50 pulses; maximal frequency 8 KHz. 1/200 RESOLUTION. ñ_ VV... information (See pages 61 and 62). TECHNICAL CHARACTERISTICS