![未标题-65](http://www.yufn.net/upload/image/2018-05/20180524145930-0122-16160.jpg)
![未标题-69](http://www.yufn.net/upload/image/2018-05/20180524145933-0951-13523.jpg)
XJ01 and JJ1B series auto-decompression starter boxes are suitable for AC 380V.Three-phase squirrel cages with a power of up to 300 kW should be used as a step-down starter.The method of stepping down the autotransformer is used to improve the impact on the transmission network when the motor is started.
![](http://ll.eshion.cn/yufn/en/upload/image/2018-08/20180809154220-0768-93710.jpg)
1, the altitude does not exceed 200m;
2, the surrounding medium temperature is not high pressure +40 degrees is not lower than -10 degrees;
3. The relative humidity of the air is not more than 85%;
4. The amplitude is not more than 0.5mm, and the frequency is not more than 600 vibrations per minute;
5. The inclination from the vertical plane does not exceed 5 degrees;
6. In a medium without explosion hazard, and the medium is noon enough to corrode metals and destroy insulating gas and conductive dust.
![](http://ll.eshion.cn/yufn/en/upload/image/2018-08/20180809163116-0459-34916.jpg)