XL-21系列動力配電箱
XL - 21 Series Power Distribution Box
XL-21系列動力配電箱是目前低壓配電系統(tǒng)廣泛使用的動力控制配電設(shè)備之一，由于其易于安裝、使用靈活、維護(hù)簡便，可充分滿足用戶需要。
XL-21產(chǎn)品主要用于工業(yè)及民用建筑中，額定電壓為交流400V及以下，額定頻率為50Hz的電力系統(tǒng)中作為動力配電，照明配電和動力控制等用。對配電箱所控制的線路可提供過載、短路及漏電等保護(hù)，并對電路進(jìn)行正常轉(zhuǎn)換。
配電箱的過電壓類別為二級與三級，外殼防護(hù)等級為IP20-IP55，產(chǎn)品符合GB7251.1及IEC60439-1等標(biāo)準(zhǔn)。
XL - 21 series power distribution box adopts the low voltage power distribution system which is one of the widely used power control distribution equipment nowadays. It is easy to install, can use flexibly, and it is easy to maintain, so it can fully meet the needs of the users.
XL - 21 products are mainly used in the industrial and residential buildings with the rated voltage of AC 400V and below, rated frequency of 50HZ. It functions as power distribution, lighting distribution, and power control and so on in the power system. For distribution box control circuit, it can provide overload, short circuit and leakage protection, and it also can do normal conversion among themselves.
Distribution box of the overvoltage category is secondary and tertiary, the protection grade is IP20 - IP55, products conforms to standards of GB7251.1, IEC60439-1 etc.
