These series of 3Φ metallurgical industrial and crane motors, with wound or squirrel cage rotor are specially designed to drive metallurgical industrial cranes and other similar machines, it has excellent overload capability and high mechanical strength.Therefore,it is well suited for short duty cycle, or intermittent periodic duty, and on equipments with frequent starting and braking or are subject to vibration and shock.
The standard range of power output and mounting dimensions compiles with the recommended standard of (IEC 72).The relation between range of power output and mounting dimensions is similar to the Japanese standard(JEM 1202) and German standard(DIN42681),therefore most of them can be interchanged.
The motor can be operated well up to altitude of 1000m.
There are two classes of insulation F and H.Class F applies to temperature condition not exceeding 40℃.Class H is suitable for metallurgical industrial sites where ambient temperature is below 60℃.Both have the same technical data.
The motors possess better enclosure, with protection standard of IP44 for normal site conditin,and IP54 for metallurgical industrial condition.
The YZR series 3Φ induction metallurgical industrial and crane motor with wound rotor is complying with the standard ZBK26008-89.The YZ series 3Φinduction metallurgical industrial and crane motor with squirrel cage rotor complying with the standard ZBK26007-89.
Motor’s rated voltage and frequency is 380V/50Hz.
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