SF6 Load Breaker

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
  • Desciption
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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