PRODUCT
主要技术参数
| 项目 | 参数 | ||||
| 型号Type | FZW28A-12 | ||||
| 额定电压 Rated voltage |
12kV
|
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| 额定电流 Rated current |
630A
|
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| 最高工作电压 Maximum working voltage |
15.5kV
|
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|
额定短时耐受电流（4s） Rated short-time withstand current |
12.5kA(rms)
|
16kA(rms)
|
20kA(rms)
|
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|
额定短路关合电流 Rated short-circuit making current |
31.5kA
(峰值) |
40kA
(峰值) |
50kA
(峰值) |
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| 额定频率 Rated frequency |
50 / 60Hz
|
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|
工频耐受电压
Power-frequency withstand voltage |
对地
to earth |
50kV
|
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|
相间
phase to phase |
50kV
|
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|
断口
between contacts |
50kV
|
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|
雷电冲击耐受电压
Lighting impulse withstand voltage |
对地 to earth
|
95 kV
|
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|
相间 phase to phase
|
95 kV
|
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|
断口
between contacts |
110 kV
|
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|
合闸操作电压 Closing voltage
|
AC220V（85%~110%）
|
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|
合闸操作电流 Closing current
|
8.5-12（A）
|
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|
合闸时间 Closing time
|
120-200ms
|
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|
分闸操作电压 Opening voltage
|
AC220V（65%-120%）（可选DC220V/DC24V）
|
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|
分闸操作电流 Opening current
|
<5A（ <5A / <7A ）
|
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|
分闸时间 Opening time
|
<35ms
|
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|
位置信号
Position signal |
合位信号
Closing signal |
2组
|
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|
分位信号
Opening signal |
2组
|
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|
储能信号 Energy storage signal
|
1组
|
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|
未储能信号 Energy dis-storage signal
|
1组
|
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| 电寿命 Electrical life |
10000 次
|
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| 机械寿命 Mechanical life |
15000 次
|
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|
电流互感器变比(精度) current transformer variety scale |
600/3（3级）
600/1 或 600/5（0.5级） |
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|
重 量 Mass
|
185kg
|
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|
标准 standard
|
GB3804-2004, IEC 265-1, ANSI C37.63
|
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