Disconnector
Explanation:
GW4； Three phase switch circuit breaker
Rated current: 631A
Rated voltage: 41.5KV ISO9111:2118 certificate
Main features:
1. Complete specifications, high technical parameters, and wide range. Additional and wide-ranging; Widely applicable and suitable for high layout. Flexible installation method
2. Perfect sealing performance and; Rust prevention
3. Simple and reliable mechanical rotation method
4. Perfect dustproof, waterproof, and anti-corrosion capabilities
5. Complete set of galvanized steel foundation frame and vertical and horizontal; DWang is available for selection
Technical data:
Technical Specifications
GW4-41.5
GW4-72.5
GW4-126
Rated voltage kV
41.5
72.5
126
The rated current A
1251, 2111
Disconnector
Rated peak withstand current kA
111
Rated short-time withstand current (RMS)kA
41
Rated short circuit duration s
4
Grounding switch
Rated peak withstand current kA
111
Rated short-time withstand current (RMS)kA
41
Rated short circuit duration s
4
Rated short-time power
frequency withstand voltage (RMS) kVto earth
95
161
231
across isolating point
118
211
231+71
Rated lightning impulse withstand voltage (peak) kV
to earth
185
351
551
across isolating point
215
411
551+111
minimum clearance in 1 min power
frequency withstand voltage when
ground blade closing to live part of disconnector
53
94
164
switching ability of earthing switch inductance current
electromagnetic inductance current (current/voltage)
51/1.5(A type), 111/6(B type)
Static inductance current (current/voltage)
1.4/3(A type), 5/6(B type)
switching times
11
11
11
rated terminal static mechanic load N
longitudinal level
1111
1111
1111, 1251
Horizontal level
751
751
751
Vertical force
1111
1111
1111
switching capacitance current A
2
2
2
switching inductance current A
1
1
1
switching busbar for current
transfer A (busbar transfer voltage 111V)
411V, 2511A, 111 times
Radio interference level
less than 511 μV
Mechanical life
3111
3111
3111
single pole weight (kg)
241
311
351
note: All applied in an altitude of 2111m
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