Page 27 - 重庆智电科技有限公司
P. 27
KYN28A-12 铠装开移式金属封闭开关设备
Armored open
metal sealing switchgear
型号含义 / Model meaning
K Y N 28A - 12 / □ □
环境特征代号 Environmental feature code
TH- 用于湿热带;TA- 用于干热带;G- 用于高海拔;C- 用于寒带
TH-for wet tropical; TA- for dry tropical; G- for high altitude; C- for cold zone
一次回路方案 Primary circuit scheme
额定电压 Rated voltage
设计序号 Design Number
户内用 Indoor use
移开式(手车中置式)Removal type (handcart center type)
金属封闭铠装式 Metal-enclosed armored
使用条件 / Conditions of Use
● 环境温度:最高温度 +40℃,最低温度 -15℃ ( 特殊工艺下,可达 -45℃ );
● 环境湿度:日平均 <95%.月平均值≤ 90%;
● 海拔高度:1000m 以下;
● 抗地震度;地震烈度不超过 8 级;
● 周围空气应不含腐蚀性或可燃气体、水蒸气等明显污染;
● 无严重污秽及经常性的剧烈震动,严酷条件下严酷度设计满足 1 类要求;
● 在超过 GB3906 规定的正常环境条件下使用时,由用户和制造厂协商。
注:①相对湿度大于 70% 时应接通电加热器。 ②凡海拔高度超过 1000m 的地方,按 JB/Z102-71 规定处理。
● Ambient temperature: the highest temperature +40 ℃ , the lowest temperature -15 ℃ (under special process, up to -45 ℃ );
● Ambient humidity: daily average <95%. Monthly average ≤ 90%;
● Altitude: less than 1000m;
● Anti-seismic; the seismic intensity does not exceed 8;
● The surrounding air should be free of corrosive or flammable gas, water vapor and other obvious pollution;
● No serious pollution and frequent severe vibration. Strict design under severe conditions meets Class 1 requirements;
● When using in the normal environmental conditions specified in GB3906, the user and the manufacturer negotiate.
Note: 1 When the relative humidity is greater than 70%, the electric heater should be turned on. 2 Where the altitude is more than 1000m,
it shall be treated according to JB/Z102-71.
技术参数 / Technical Parameters
项目 Project 单位 Unit 参数 Parameter
额定电压 Rated voltage kV 3.6,7.2,12
额定频率 Rated frequency Hz 50
断路器额定电流 Circuit breaker rated current A 630、1250、1600、2000、2500、3150
开关柜额定电流 Switch cabinet rated current A 630、1250、1600、2000、2500、3150
额定动稳定电流 Rated dynamic current(4s) kA 16、20、25、31.5、40、50
额定稳定电流(峰值) Rated steady current (peak) kA 40、50、63、80、100、125
额定短路开断电流 Rated short-circuit breaking current kA 16、20、25、31.5、40、50
额定短路关合电流(峰值) Rated short circuit closing current (peak) kA 40、50、63、80、100、125
额定绝缘水平 1min工频耐受电压 Power frequency withstand voltage 24 32 42
Rated insulation kV
level 雷冲击耐受电压 Light impulse withstand voltage 40 60 75
外壳IP4X、隔离间、断路器室门打开时为IP2X
防护等级 Protection level IP2X for enclosure IP4X, isolation compartment, and circuit
breaker compartment door
Product Catalogue 20