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Series YAKK & YAKS High-voltage Increase-safety Three-phase Induction Motors

        Series YAKK & YAKS high-voltage (6kV and 10kV) increase-safety three-phase induction motors (frame size 355 ~630) are the newest products developed and manufactured in 1009’s by Nanyang Explosion Protection Group Co., Ltd. (CNE), combining with the design and manufacture experience of long-term and stable producing high-voltage three-phase induction motors, on the basis of absorbing manufacturing technology of high-voltage motors introducing from Siemens of Germany.
        Adopting the new technique, material and technology in the 1990s, and being of excellent workmenship, these series motors have many remarkable features such as compact construction, lightweight, high efficiency, low noise, small vibration, safe operation and easy maintenance etc.
        These series motors conform to China national standard GB755 Rating and Performance for Rotating Electrical Machines, industry standard GB/T7593 Technical Requirement for the Fundamental Series of Series Y High-Voltage Three-Phase Induction Motors (frame size H355 ~630) and international standard IEC34. The machine dimensions and tolerances of all parts conform to corresponding China national standards and international standards and explosion protection property of these series motors conforms to GB3836.1 Electrical Apparatus for Explosive Gas Atmospheres
        Part 1: General Requirements and GB3836.3 Electrical Apparatus for Explosive Gas  Atmospheres Part 3: Increase Safety “e”.
        For the enclosure of these series motors, the degree of protection is IP44, IP54 and IP55,cooling form IC611 and IC81W and mounting arrangement is IMB3. Available are the motors with the different protection type, cooling form and mounting arrangement according to customer requirements.
        Rated voltage :6kV and 10kV
        Power range :185~2500kW
        Synchronous speed :3000、1500、1000、750、600、500r/min
        Shaft centre line height:355、400、450、500、560、630mm
        Ex mark :ExeⅡT1, ExeⅡT2 and ExeⅡT3
        Based on these series motors, outdoor type (W type), tropical humidity type (TH type) and tropical humidity outdoor (THW type) increased-safety three-phase induction motors have been modified. The performance index and mounting and overall dimensions are the same with those of the basic series.

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