Electrical Data - Siemens 3AH3 Operating Instructions Manual

Electrical data

3AH3 vacuum circuit-breaker
U U U I
W s SC
(kV) (kV) (kV) (kA)
7.2 60 20
50
63
12 75 28
50
63
15 95 36
50
63
17.5 95 38
50
63
24 125 50
40
110 50
50
36 170 70
31.5
40
*U =32kV; **U =42kV;***U
s s
Note: available
1. Rated voltage (maximum permissible system voltage) at 50/60Hz.
2. Rated lightning impulse withstand voltage (peak value)
3. Rated power frequency withstand voltage (RMS value)
4. Rated short-circuit current
5. Rated short-circuit duration
6. Type designation
7. Rated normal current
8. Rated short-circuit making current
9. DC component of rated short-circuit breaking current
10. Pole center distance
11. Switching duties
Fig.1/4 electrical data for 3AH3 vacuum circuit-breaker
Operating Instruction Siemens 3AH3 / 西门子 3AH3 真空断路器使用手册
t
th 1250A 2000A 2500A
(s)
3
3
3
3
3
3
3
3
3
3
3
3
=85/95kV,U =185/195kV.
s w
U= Rapid load transfer
K= rapid auto-reclosure +U
E= electrical operating energy
电气参数
3AH3 真空断路器
I D.C.
3150A 4000A ma
(kA)
125
160
125
160
125
160
125
160
100
137
80
100
标注 : 可提供
1. 额定电压 (系统最高电压) 频率 50-60Hz
2. 额定雷冲击耐受电压 (峰值)
3. 额定工频耐受电压 (有效值)
4.
额定短路电流
5.
热稳定时间
6. 型号
7.
额定电流
8.
额定关合电流
9. 额定短路开断电流时的直流分量
10. 相中心距
11. 操作功能
K= 快速自动重合闸 +U
图.1/4 3AH3 真空断路器的电气参数
PA
(%) (mm)
36 210 EU 3AH3 057-2*
EU 3AH3 057-6*
EU 3AH3 057-7*
275 EU 3AH3 077-8*
36 275 EU 3AH3 078-2*
EU 3AH3 078-6*
EU 3AH3 078-7*
EU 3AH3 078-8*
36 210 EU 3AH3 117-2
EU 3AH3 117-6
EU 3AH3 117-7
275 EU 3AH3 127-8
36 275 EU 3AH3 128-2**
EU 3AH3 128-6**
EU 3AH3 128-7**
EU 3AH3 128-8**
36 210 EU 3AH3 167-2**
EU 3AH3 167-6**
EU 3AH3 167-7**
275 EU 3AH3 177-8**
36 275 EU 3AH3 178-2**
EU 3AH3 178-6**
EU 3AH3 178-7**
EU 3AH3 178-8**
36 210 EU 3AH3 217-2**
EU 3AH3 217-6**
EU 3AH3 217-7**
275 EU 3AH3 227-8**
36 275 EU 3AH3 228-2**
EU 3AH3 228-6**
EU 3AH3 228-7**
EU 3AH3 228-8**
36 275 EU 3AH3 266-6
36 275 EU 3AH3 267-7
36 350 EK 3AH3 305-2***
EK 3AH3 305-4***
EK 3AH3 305-6***
36 350 EU 3AH3 306-6***
U= 快速负荷转移
E= 电动储能机构
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