Motor-operated disconnector
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- 产品描述
-
This series of products are outdoor high-voltage AC SF6 circuit breakers, using SF6 gas as the arc-extinguishing and insulating medium. They are suitable for use in 50 Hz, 126 kV power systems for the control and protection of transmission and distribution lines.
No.
Item
Unit
Data
1
Rated voltage
kV
126
2
Rated Current
A
3150
3
Rated short-circuit breaking current
kA
40
4
Rated short-time withstand current
kA
40
5
Rated short-circuit making current (peak)
kA
100
6
Rated short-circuit making current (peak)
kA
100
7
Rated operating sequence
-
O-0.3s-CO-180s-CO
8
Rated power-frequency withstand voltage (1 min)
To Ground KV
230
Across open contact KV
230 (+73*)
9
Rated lightning impulse withstand voltage
To Ground KV
550
Across open contact KV
550 (+103*)
10
Mechanical life
TIMES
10000
11
Number of operations at rated short-circuit breaking current
TIMES
20
12
Main circuit resistance
μΩ
≤35
Above mentioned parameter are only for reference, Hosun is able to design products according to specific requirements from end users.
Keywords:
Motor-operated disconnector
Address
No.2, Ruzhu Road, Sidu Electrical mechanical industrial Park, Jiangshan City, Zhejiang, China
Yiwu Office: Room 1006, Building B, Shihang Center, Futian Street, Yiwu, Zhejiang, China