Outdoor RMU DFW
DFW-GRM-12 series cable branch box / outdoor switching stations, absorbed a lot of
foreign advanced technology, performance,complete compliance with national standards.
Tap switch boxes with switches are used SF6 fully insulated RMU. Simple and convenient
combination,completely insulated, completely sealed, anti-corrosion, maintenance-free,
safe and reliable.
|
NO.
|
Desription
|
Unit
|
parameters
|
|
1
|
Rated voltage
|
KV
|
12
|
|
2
|
Rated current
|
A
|
630
|
|
3
|
Rated frequency
|
HZ
|
50
|
|
4
|
lightning impulse withstand voltage
|
KV
|
75
|
|
5
|
Power frequency withstand voltage
|
KV
|
42
|
|
6
|
circuit resistance
|
uΩ
|
200
|
|
7
|
Rated SF6 Pressure
|
MPa
|
0.03
|
|
8
|
SF6 gas annual leakage rate
|
　
|
≤0.1%
|
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