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SF6 Load Breaker is used in outdoor 12KV or 24kV three phase AC 50/60Hz power system to open and close load current and short circuit current accords with the standards of IEC60265 & GB/T3804.
SF6 Load Breaker Description:
LW34-12/24 SF6 Load Break Switch is used in outdoor 12KV or 24kV three phase AC 50/60Hz power system to open and close load current and short circuit current. It accords with the standards of IEC60265 & GB/T3804 3.6~40.5KV High voltage AC load break switch, GB/T11022 High voltage switch apparatus and control apparatus.
SF6 Load Breaker Features:
Stainless steel panel have good antisepsis and seal performance.
Light in weight and convenience for transit
Free maintenance
With anti-explode device.
The switch can be locked automatically when the press is 0.03 to 0.07MPa.
SF6 Load Breaker technical data:
|
Item
|
Unit
|
Data
|
||
|
Rated voltage
|
kV
|
12/24
|
||
|
Rated insulation
level
|
Power frequency
|
kV
|
Across open contacts:49,phase to phase, phase to earth:42
|
|
|
Wet withstand voltage
|
kV
|
Phase to phase, phase to earth:34/50
|
||
|
Impulse withstand voltage
|
kV
|
Across open contacts:85,phase to phase, phase to earth:75
|
||
|
Rated power frequency
|
Hz
|
50/60
|
||
|
Rated current
|
A
|
630
|
||
|
Rated active load breaking current
|
A
|
630
|
Breaking 100 times
|
|
|
Rated loop breaking current
|
A
|
630
|
Breaking 10 times
|
|
|
5% rated active load breaking current
|
A
|
31.5
|
Breaking 20 times
|
|
|
Rated cable charging current
|
A
|
10
|
Breaking 20 times
|
|
|
Rated short-circuit making current(peak)
|
kA
|
50
|
Making 5 times
|
|
|
Rated short-time withstand current(4s)
|
kA
|
20
|
||
|
Rated peak withstand current
|
kA
|
50
|
||
|
Rated SF6 pressure
|
Mpa
|
0.12
|
||
|
Rated SF6 yearly gas leakage rate
|
|
≤1%
|
||
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