五月丁香花色婷婷国产-五月丁香花视频-五月丁香花婷婷-五月丁香花线视频-五月丁香花亚洲综合-五月丁香花在线视频看-五月丁香激-五月丁香激情四射网-五月丁香激情网国产-五月丁香激情综合-五月丁香激情综色-五月丁香加勒比

Welcome to ShenZhen ENAT Electric co. LTD. Official website!

Service hotline:400-093-8858

中文

GCS type low pressure extraction switch cabinet

GCS type low pressure extraction switch cabinet

PRODUCT OF MDGGF

  • Product Info

Overview

GCS type low-voltage extraction switchgear is suitable for power plant, petroleum, chemical, metallurgy, textile, high-rise building and other industries.

In large power plants, petrochemical system, such as high degree of automation, and computer interface, as the frequency of the three-phase ac 50 Hz (60), rated working voltage of 400 v, 400 v, rated current is 5000 a and below the hair, power supply system of power distribution, centralized control of the motor, reactive power compensation using low-voltage power distribution equipment.

The device is designed to meet the following standards: iec 439-1 "low-voltage switchgear and control equipment" GB7251 "low-voltage switchgear"



Types of meaning

Normal use environment
Ambient air temperature is not higher than + 40 ℃, no less than 5 ℃, the average temperature in 24 hours shall not be higher than + 35 ℃.

When exceeding, it is necessary to reduce the capacity according to the actual situation;

◆The height of the site shall not exceed 2000m;
◆Ambient air relative humidity when the highest temperature is + 40 ℃ not more than 50%, at low temperature are allowed a larger relative humidity, such as + at 20 ℃ at 90%, should be considered due to the change in temperature may accidentally condensation effect;
◆Device installed with the inclination of the vertical plane was less than 5 °, and the whole tank column relatively flat (GBJ232-82 standard);
◆The device shall be installed in a place where there is no shock and shock and not enough to cause the electrical components to be not corroded.
◆When the user has special request, he can negotiate with the manufacturer


主站蜘蛛池模板: 久久午夜福利黑丝 | 欧美日韩大尺码影院 | 成人精品黄色三级网站 | 久草新在| 天天操狠狠撸 | 男同综网午夜一区 | 国产AV一区二区三区 | 成人福利免费观看 | 五月花婷婷导航 | 亚洲色图五月天 | 亚洲浮力影院 | 国内黄色网址 | 婷婷综合五月天激情网 | 一级A片色情免费网站 | 神马午夜精品国产 | 黄色A片成人免费看 | 孕妇三级片视频 | 欧美成欧美成 | A片无码国产 | 欧美孕妇二区三区 | 天天综合站 | 日朝第一页精品 | 四虎色情 | 午夜宅男宅女视频免费 | 福利一区影院 | 日韩深夜福利视频 | 欧美xxx喷潮 | av在线资源网 | 久草视频最新视频 | 五月丁香网站色婷婷 | 国产成人无码毛片 | 婷婷丁香五月啊啊啊 | 国产毛片后入 | 白丝黄色网 | 欧美性爱笫一页 | 午夜成人福利视频 | 欧美性爱图第一页 | 欧美国产日韩在线观看 | 欧美性爱黄色片第八页 | 欧美成人免费在线视频 | 亚洲午夜无码在线影院 |