PRODUCT
主要技術(shù)參數(shù)
項目 | 參數(shù) | ||||
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(guān)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(biāo)準 standard
|
GB3804-2004, IEC 265-1, ANSI C37.63
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