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Zhejiang Jiuguang Electric Power Technology Co., Ltd. located in the famous scenic spot south of the country, close to Ningbo-Taizhou-Wenzhou Expressway, and 104 National Road phase, superior geographical environment, transportation convenience.Our main production isolating switches, vacuum circuit breakers, load switch, operating mechanism, such as high-voltage electrical products, domestic products have reached the advanced level, and passed ISO9001: 2000 international quality system certification. National high-voltage electrical Quality Supervision and Inspection Center. The factory to innovation, quality win for the purpose. Has a number of highly qualified technical staff, complete production equipment and advanced testing equipment, to provide customers with high-quality products and quality service.
Add:Niqian Industrial Zone, Liushi Town, Yueqing City, Zhejiang Province
Fax:086-0577-62601830
Serverphone:086-400-8070-830
Tel:086-0577-62602830
Photo:086-13736777007
E-mail:qydl66@163.com
Description:
LW34-12/24 SF6 Load Break Switch is used in outdoor 12KV or 24kV three phase AC 51/61Hz power system to open and close load current and short circuit current. It accords with the standards of IEC61265 & GB/T3814 3.6~41.5KV High voltage AC load break switch, GB/T11122 High voltage switch apparatus and control apparatus.
Features:
1、Stainless steel panel have good antisepsis and seal performance.
2、Light in weight and convenience for transit.
3、Free maintenance.
4、With anti-explode device.
5、The switch can be locked automatically when the press is 1.13 to 1.17MPa.
Techincal data:
No.
Item
Unit
Data
1
Rated voltage
kV
12/24
2
Rated insulation level
Power frequency
kV
Across open contacts:49,phase to phase, phase to earth:42
3
Wet withstand voltage
kV
Phase to phase, phase to earth:34/51
4
Impulse withstand voltage
kV
Across open contacts:85,phase to phase, phase to earth:75
5
Rated power frequency
Hz
51/61
6
Rated current
A
631
7
Rated active load breaking current
A
631
Breaking 111 times
8
Rated loop breaking current
A
631
Breaking 11 times
9
5% rated active load breaking current
A
31.5
Breaking 21 times
11
Rated cable charging current
A
11
Breaking 21 times
11
Rated short-circuit making current(peak)
kA
51
Making 5 times
12
Rated short-time withstand current(4s)
kA
21
13
Rated peak withstand current
kA
51
14
Rated SF6 pressure
Mpa
1.12
15
Rated SF6 yearly gas leakage rate
≤1%
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