GCK型低壓組合式開關(guān)柜
一、概述：
適用于660V及以下的50Hz三相三線或三相四線系統(tǒng)，作為電力系統(tǒng)的發(fā)電廠、變電站、廠礦企業(yè)和高層建筑中受電、饋電、照明或電動機控制用。

二、使用環(huán)境條件：
1、安裝高度不超過海拔2000m；
2、安裝傾斜度不超過5°；
3、周圍環(huán)境溫度－20℃～＋40℃，并且24h內(nèi)平均溫度不高于＋35℃；
4、空氣相對濕度在溫度＋40℃時，不超過50%，在溫度低于＋40℃時，允許有較高的相對濕度，如在＋20℃時為90%；
5、無劇烈震動和沖擊及不足以腐蝕電器元件的場所。

GCK Type Low Voltage Composite Switchgear
Summarize:
Applicable to 660v and below 50Hz three-phase three-wire or three-phase four-wire systems, for the accepting electricity, supply, lighting or the electromotor control for the electrical power system in the power plant, the transformer substation, the industry and mining enterprise and the high-rise construction.
Use environmental conditions :
The installation height of altitude should less than 2000m
Installation gradient should less than 5°
Environmental temperature : -20℃ - +40℃, average temperature should less than +35℃ within 24h
Relative humidity should less than 50% (+40℃),for example, when +20℃,is 90% ; The higher relative humidity is allowed when the temperature less than ＋40℃
The place without intense vibration and impact, and insufficient to corrode the electric appliance parts