PRODUCT
主要技術參數
| 項目 | 參數 | ||||
| 型號Type | FZW28A-12 | ||||
| 額定電壓 Rated voltage |
12kV
|
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| 額定電流 Rated current |
630A
|
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| *高工作電壓 Maximum working voltage |
15.5kV
|
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|
額定短時耐受電流（4s） Rated short-time withstand current |
12.5kA(rms)
|
16kA(rms)
|
20kA(rms)
|
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|
額定短路關合電流 Rated short-circuit making current |
31.5kA
(峰值) |
40kA
(峰值) |
50kA
(峰值) |
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| 額定頻率 Rated frequency |
50 / 60Hz
|
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|
工頻耐受電壓
Power-frequency withstand voltage |
對地
to earth |
50kV
|
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|
相間
phase to phase |
50kV
|
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|
斷口
between contacts |
50kV
|
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|
雷電沖擊耐受電壓
Lighting impulse withstand voltage |
對地 to earth
|
95 kV
|
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|
相間 phase to phase
|
95 kV
|
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|
斷口
between contacts |
110 kV
|
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|
合閘操作電壓 Closing voltage
|
AC220V（85%~110%）
|
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|
合閘操作電流 Closing current
|
8.5-12（A）
|
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|
合閘時間 Closing time
|
120-200ms
|
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|
分閘操作電壓 Opening voltage
|
AC220V（65%-120%）（可選DC220V/DC24V）
|
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|
分閘操作電流 Opening current
|
<5A（ <5A / <7A ）
|
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|
分閘時間 Opening time
|
<35ms
|
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|
位置信號
Position signal |
合位信號
Closing signal |
2組
|
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|
分位信號
Opening signal |
2組
|
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|
儲能信號 Energy storage signal
|
1組
|
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|
未儲能信號 Energy dis-storage signal
|
1組
|
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| 電壽命 Electrical life |
10000 次
|
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| 機械壽命 Mechanical life |
15000 次
|
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|
電流互感器變比(精度) current transformer variety scale |
600/3（3級）
600/1 或 600/5（0.5級） |
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|
重 量 Mass
|
185kg
|
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|
標準 standard
|
GB3804-2004, IEC 265-1, ANSI C37.63
|
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