概述 Overview
MNS型低压成套设置上我公司结合我国低压成套开关设备的发展趋势，在其电器元件的选用与柜体结构方面经行政进，研制开发的产品。产品适用于交流50-60Hz,额定工作电压660V及以下的电力系统，适用于发电厂、变压站、石油化工、治金轧钢等厂矿企业和住宅小区，高层建筑等场所，作为交流50-60Hz,额定工作电压交流660V以下的配电系统的电能转化和消耗设备控制之用。
MNS type low-voltage switchgear set up is a product develped by our company, combined with the development trend of low-voltage swichgear assembliesin our country, with improvements in the selection of electrical components and the structure of the cabinet .lt appies to 50~6OHz AC power system with6oVin rated voltage or below, and is suitable for power plant ,transformer statons, petrochemical industy, metallugy and rolig facores,residenial areas,high-rise buildings and other places. t is used for 50~60Hz AC power system with 660V in rated voltage or below n is power conversion and consumpton conro.
本低压开关柜符合旧C6O43PVDEO660《低压轴出式成套开关设置》行业标准，本低压开关柜符合IEC6043PVDEO660,第五部分、GB7251-2013《低压成套开关设备和控制设备》标准和JB/T9661《低压抽出式成套开关设备》行业标准。
The low-voltage switch cabinet is in line with the old occupation standards of C6043PVDEO66O Low-voltage Shaf-type Switchgear ,the fifth part ofIEC6043PVDE0660,GB7251-2013 Low-voltage Switchgear and Control Equipment and occupation standards of JB/T9661 Low-volage ExtractionSwitchgear.
使用环境条件 Application environment condition
1.周围环境温度不高于+40℃，并在24小时内平均温度不高于+35℃,最低环境温度不低于-5℃。
1.The ambient temperature is not higher than +40℃, the average temperatre withi 24 hours not higher than 435℃C, and the minimumn envionmental temperature not lower than-5℃.
⒉.大气环境中，空气清洁，相对湿度在最高温度＋4D℃是不超过50%在较低温度时允许有较高的相对湿度，例如+20℃﹔时为90%但考虑到由于温度变化，有可能会偶尔地凝露。
2. In the atnospheric environment,the air is clean, and the relative huridity is less than 50% at the ighest temperature of 40'℃, allowing a igher relatie humidity in a colow temperature,such as 90% for +2o'℃; however, in consideration of temperature changes, a moderate amount of condensation is occasionally producec
3.海拔不超过2000m。
3.The altitude is not more than 2000m
4.本装置适用于以下温度的运输和储存过程; -25℃;至55℃的范围之间，在短时间内超过24h )可达+70℃,在这些极限温度下装置不应遭到任何不可恢复的损伤而且在正常:正常工作。
4. This device is suitable for the transportaion and storage process in the rolowing temperatre: between-25℃ and 55C; +7oO℃ is reached when it is over 24hy at these extemperatures, the device shall not be subjected to any unrecoverable damage and shall work properly under normal conditions.
如果上述条件不能满足时,应由用户和制造协商厂解决。
lf the above conditions can not be satisfied, it should be resolved through negotiation between the user and the manufacturer.
