◆ Site conditions

The standard working conditions of YB3 series motors are as follows：The altitude is not more than 1000 meters, motors are suitable for almost all applications and operate satisfactorily at temperature from -15° C to +40° C，When used in underground coal mines, the maximum ambient temperature is 35℃ .

◆ Temperature rise and insulation

F class (155 ℃ ) insulation system and temperature rise class B (80K) are adopted to the motor.The service life and reliability of the motor are guaranteed.

◆ Cooling and ventilation

The standard cooling method is fully enclosed self-fan cooling standard motor equipped with auxiliary flow plastic fan in accordance with the provisions of IC411 in iec60034-6

◆ Protection class

The standard protection class of motor is IP55,can be used in dusty or humid environment

◆ Voltage、frequency

Frame size 80-100 ,the voltage is 380V

Frame size112-355, the voltage is 380V 660V 380/660v

◆ Rated frequency is 50HZ

Under the condition that the supply voltage deviates from the rated voltage by 5%, it can still run well

◆ Terminal box position

The terminal box of the motor is located at the top of the motor，and the cable can enter in four directions. The incoming wire is divided into two types: rubber sleeve cab

◆ Quality guarantee

From the product design to the delivery of products, follow the ISO9001 quality certification system, strict compliance with quality procedures