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MNS抽屉柜的使用条件及结构特征

发布时间:2022-01-06 来源:http://www.tongyuhengcheng.com/ 浏览量:

使用条件本开关柜适用于交流 50(60)Hz、锁定绝缘电压和工作电压为 380(400)、660V,额定电流6300A 及以下三相五线制的电力供电系统,可用于发电厂、变电所、工矿企业、大楼宾馆、机场、 码头以及广播电视等通讯中心,来作为发电、输配电、电能转换及电能消耗设备的控制。
Service conditions the switch cabinet is applicable to the three-phase five wire power supply system with AC 50 (60) Hz, locking insulation voltage and working voltage of 380 (400), 660V, rated current of 6300A and below. It can be used in power plants, substations, industrial and mining enterprises, buildings, hotels, airports, wharfs, radio and television and other communication centers for power generation, transmission and distribution Control of power conversion and power consumption equipment.
使用条件1、周围空气温度不高于+40℃,不低于-5℃,并且在 24h 之内其平均温度不高于+35℃2.周围空气相对湿度在高温度为+40 时不超过 50%。在较低温度时有较大的相对温度,如+20时为 90%,但考虑到由于温度的变化有可能会偶然产生适度的凝露。
Service conditions 1. The ambient air temperature shall not be higher than + 40 ℃, not lower than - 5 ℃, and the average temperature within 24h shall not be higher than + 35 ℃. 2 The relative humidity of the surrounding air shall not exceed 50% at the maximum temperature of + 40. There is a large relative temperature at lower temperature, such as 90% at + 20, but considering that moderate condensation may occur occasionally due to temperature changes.
MNS低压抽屉柜
3.户内使用,使用地点的海拔高度不超过 2000m4.应安装在无剧烈震动和冲击,以及不使用电器元件受到腐蚀的场所结构特征本开关柜由于引进了国外技术,并在其原有的基础上加以技术改进,使其更符合我国国情,柜体采用 25mm 为模数的 C 型材通过连接件来组成各种得以满足各种需求的柜架结构和抽屉单元,在 MCC 柜中大量采用高强度的阻燃型工程塑料组件,使其性能更可靠, 同时加之将国外的功能版加以改型,以 200mm 为模数加以组合,使其更有利于 PC 柜与 MCC柜混装柜体的设计需求,抽出单元与柜体具有可靠联锁装置,以防止在开关通电状态下带负荷拉闸, 提高了其性,另外该柜体一般均采用冷轧钢板进行钝化处理后组装而成,也可根据用户的不 同需求采用敷铝锌钢板。
3. For indoor use, the altitude of the place of use shall not exceed 2000m4. It shall be installed in the place without severe vibration and impact and without corrosion of electrical components. Structural characteristics: due to the introduction of foreign advanced technology and technical improvement on its original basis, the switchgear is more in line with China's national conditions, The cabinet body is made of 25mm modulus C-section through connectors to form various cabinet frame structures and drawer units that can meet various needs. A large number of high-strength flame-retardant engineering plastic components are used in MCC cabinet to make its safety performance more reliable. At the same time, the foreign functional version is modified and combined with 200mm modulus, It is more conducive to the design requirements of the mixed cabinet of PC cabinet and MCC cabinet. The extraction unit and the cabinet have reliable interlocking devices to prevent the on-load switching when the switch is energized and improve its safety. In addition, the cabinet is generally assembled after passivation treatment with cold-rolled steel plate, or aluminum zinc coated steel plate can be used according to the different needs of users.
标准及技术规范 GB7215.12过电压类别 Ⅳ Ⅲ污染等级 3额定工作电压(Ue)(U) 380额定绝缘电压(Ui)(V) 1000额定频率(Hz) 50水平母线额定电流 6300A额定短时耐受电流(lcw)(KA) 50~100KA额定峰值耐受电流(lpk)(kA) 105~220KA
Standard and technical specification gb7215 12 overvoltage category Ⅳ Ⅲ pollution level 3 rated working voltage (UE) (U) 380 rated insulation voltage (UI) (V) 1000 rated frequency (Hz) 50 rated current of horizontal bus to 6300A rated short-time withstand current (LCW) (KA) 50 ~ 100kA rated peak withstand current (LPK) (KA) 105 ~ 220kA
以上就是 MNS低压抽屉柜给大家的精彩内容,更多的精彩内容请点击:http://www.tongyuhengcheng.com我们后续会有更多的精彩内容等您查看.
The above is the highlights of MNS low-voltage drawer cabinet. For more highlights, please click: http://www.tongyuhengcheng.com We will have more wonderful content for you to check later
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