YZR,YZ系列起重及冶金用电动机具有过载能力大和机械强度高的特点，*适用于驱动各种类型的起重和冶金机械或其它类似的设备。
   YZR系列起重及冶金用电动机为绕线转子电动机,YZ系列起重及冶金用电动机为笼型电动机。
　  YZR、YZ.Series ,motoer for crane and metallurfical usres,featured with large overload capacity and adequatemechanical strength,are specity suitable for driving various t*es of crane and metallurgical mechineries of other similar equipment.
YZR series motore are of wound rotors t*e.while YZ series motors are of squirrel cage t*e.

（1）环境温度不*过40℃（一般环境用）或60℃（治金环境用）。
（2）海拔不*过1000米。
（3）经常的机械振动及冲击。
（4）频繁地起重.制动(电气或机械的)及逆转
3.电动机的额定频率为50赫，额定电压为380伏
4.接法：功率为132千瓦和小于132千瓦的定子绕组用Y接法，其余的用△接法，Y接法的电动机可增加*点引出线。

2. The moor will operate satisfactorily under following conditions:
(1)trmperature of coolant not exceeding 40℃ (for crane uses)or 60℃(for metallurgicaluses)
(2)Alitltude form sea-level not exceeding 1000m
(3)Frequent and significant mechanical vibration and shocks
(4)Frequent starting braking.braking(electrical or mechanical)or revrtsing
3. The rated frequency of the motor is 50 HZ and rated voltage is 380V.
4.Connection: the stator winding is connected in Y for 132KW and below and in for the rest In y whit zero leader is also supplied