ZW32-12FG/T630-25 12kv remote control auto recloser circuit breaker
ZW32-12FG/T630-25 12kv remote control auto recloser circuit breaker
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ZW32-12FG/T630-25 12kv remote control auto recloser circuit breaker
Overview:
ZW32-12FG/T630-25 Type Outdoor high voltage vacuum circuit breaker is a outdoor distribution equipment with AC 50Hz,rated voltage 12kV and three-phase ac. It is mainly used for open circuit power distribution network and close the load current, overload current, short circuit current in power system.It is suitable for the transformer substation and factory power distribution system for protection and control use. Especially suitable for urban power grid and rural power grids.
Service conditions:
1. Ambient
Temperature: -40℃~+65℃，daily temperature≤25℃.
2. Altitude: ≤2000m .
3. Wind speed: ≤35m/s.
4. Earthquake intensity: ≤8.
5. Anti-fouling property: IV level.
6. Installation site: Not putting inflammable, explosive, chemical corrosion.
Technical parameters
NO.
Item
Unit
Numeric
1
Nominal Voltage
kV
12
2
Rated Frequency
Hz
50
3
Rated Current
A
630/1250
4
Rated Short-circuit Breaking Current
kA
20
5
Rated Stability rated current
kA
50
6
RMS/Rated the rmal stabilization
kA/S
20/4
7
Mechanism life
times
10000
8
Rated short-circuit closing breaking
Number
times
30
9
Rated operating sequence
O-0.3s-CO-180s-CO
10
Rated breaking current number
tmes
10000
11
Rated short-circuit close-open current
kA
50
12
1min Power-frequency withstand
Dry
kV
42/48
Wet
kV
34
13
Lighting impulse withstand voltage(Peak
Value)
kV
75/85
14
Secondary circuit 1min Power-frequency
withstand
kV
2
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