KYD1礦用一般型低壓固定式開關柜適用于煤礦井下無瓦斯、煤塵爆炸危險場所。中央控制室、車場、總通風道和主要通風道配電峒室的配電系統中或其他類似工業廠礦、港口、冶金、化工、高層建筑地下室、大型倉庫、油田、地鐵、地下建筑的潮濕場所的變電所得380或660v，額定頻率為50Hz，三相三線中性點不接地供電系統中，作為動力、配電、照明、電機控制及其他電器設備的起動、控制和保護的成套開關設備。

KYD1 normal mine low-voltage fixed switch cabi-not isa kind of intergrated switch device used for thestarting,control and protection of drive.Powerdistribution,lightingengine control and other electricappliances applicable forplaces without the danger of gas and coal dust explosionsin the coal mine power distribution system of switch roomfor central control room parking lot general ventilationpassage and mainventilation passages or 50Hz 3-phase3-line neutral unearth pomer supply system with 38ov or66ov rated freguency of substation in dump place of othersimilar industrial factories basement of high-risebuikdiugslarge warehouses oilfieds metro and undeground buildings.