KYN28A-12 (GZS1) 型户内金属铠装抽出式开关设备，系3-10KV三相交流50Hz单母线及单母线分段系统的成套配电装置。主要用电发电厂，中小型发电机送电，工矿企事业配电以及电力系统的二次变电所的受电，送电及大型高压电动机起动等。做控制保护，监测之用。本开关设备满足DL/T404-91，IEC298,GB3906等标准要求，具有防止带负电荷推拉断路器手车，防止误分合断路器，防止接地开关处于闭合位置时关合断路，防止误入带电隔室，防止在带电时物和接地开关的连锁功能，即可配用VS1真空断路器，又可使用ABB公司的VD4真空断路器。实为一种性能优越的配电装置。

KYN28A-12 (GZS1) Indoor metal-clad withdrable switchgear is suitable for the system of 3-10KV three-plase 50Hz single busbar and single busbar by-pass, mainly used to power plant, middle or small generator send electricity, industry-mine enterprise distribution and electric power system secondary transformet incoming feeder, sending power, large high-voltage motor starting, as controlling, protecting and monitoring device. The seitchgear meet the standards of DL/T404-91, IEC298, GB3906. It equipped with prevention of loading pulling circuit breaker handcart, prevention of maloperating circuit breaker, prevention of closing circuit switch, prevention of accidently gear can be equiped with both VS1 vacuum circuit breaker and ABB VD4 circuit breaker. It is really an excelent distribution device.

 

额定电压                                      KV         3.6   7.2   12

Rated voltage

额定绝缘水平        1min工频耐压              KV         24   32   42

Rated insulation       1min PF withstand voltage

Level               雷电冲击电压（全波）       KV         40   60   75

            lighting impulse withstand voltage

额定频率                                       Hz         50

Rated frequency

额定电流                                        A         3~3150

Rated current

主母线额定电流                                  A         1600，2000，2500，3150

Main bus rated current

分支母线额定电流                                A       630，1250，1600，2000，2500，3150

Brunch bus rated current

4秒热稳定电流（有效值）                        KA      16，20，25，31.5，40，50

Rated short-time-withstand current 4s

额定动稳定电流（峰值）*                         KA      40，50，63，80，100，125

Rate capacity

防护等级                                         外壳IP4X，断路器室门打开为IP2X

Protection degree