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Products
GW 4-126 D outdoor HV AC disconnecting switch
GW 4-126 D outdoor HV AC disconnecting switch is an outdoor HV switch of three-phase AC50 Hz, it is suitable for power system of rated voltage 35kV, is used for disconnecting no-load change over in HV circuits and disconnecting busbar will be checked , breaker and HV circuit with power.
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Product Description
1. Introduction of GW 4-126 D outdoor HV AC disconnecting switch
GW 4-126 D outdoor HV AC disconnecting switch is suitable for AC system with frequency of 50Hz, rated voltage of 110KV. It is for HV circuit to exchange under the condition of no load. Also it insulates the HV bus, circuit breakers and other electric devices which needs to be overhauled from live HV circuit, supply a standard visible insulation distance to the overhauled device and inspection personnel.
2. Parameter (Specification) of GW 4-126 D outdoor HV AC disconnecting switch
Main technical parameters of disconnector
|
Name |
Unit |
Data |
|
Rated voltage |
KV |
126 |
|
Rated current |
A |
630/1250/1600/2000 |
|
Rated short time withstand current |
KA/3s |
25 /31.5/40 |
|
Rated peak withstand current |
kA |
63/ 80/100 |
|
Rated 1min power frequency withstand voltage |
kV |
230/265 |
|
Rated lightning impulse withstand voltage |
kV |
550/630 |
Main technical parameters of motor mechanism
|
Name |
Unit |
Data |
|
Rotation angle of principal axis |
º |
90 |
|
Output moment |
N.m |
350 |
|
Opening & closing time |
s |
8±1 |
|
Control voltage |
V |
AC220 |
|
Rated power of motor |
W |
370 |
|
Rated rotate speed of motor |
r/min |
1400 |
|
Rated voltage of motor |
V |
AC380 |
|
Rated current of motor |
A |
1.12 |
|
Total weight of mechanism |
kg |
80 |
Adjustment parameters of mechanism
|
Name |
Data |
|
Type |
GW4(GT12)-126D) |
|
Central distance between phases |
≥2000mm |
|
Insulation distance between phases |
≥1000mm |
|
Fracture distance of disconnector |
≥1050mm |
|
Fracture distance of earthing switch |
≥1000mm |
|
To earth insulation distance of conductive part |
≥910mm |
|
3 phase opening/closing non-simultaneity of disconnector |
≤12mm |
|
3 phase opening/closing non-simultaneity of earthing switch |
≤15mm |
|
Disconnector contacts gap |
12~18mm |
3. Service condition of GW 4-126 D outdoor HV AC disconnecting switch
（1） Normal service condition
Ambient temperature -25℃～+40℃
Humidity Max.relative humidity≤90﹪
Altitude ≤ 1000m
Wind pressure ≤ 700Pa（equivalent to wind speed of 34m/s）
Pollution grade of service environment Grade Ⅱ（20mm/kV）Grade Ⅲ（25mm/kV）
Ice coating thickness ≤ 10mm
Earthquake intensity ＜ 8º
Installation site No flammable, explodable and chemistry causticity matters and no frequent exquisite shake.
（2）Special service condition
Ambient temperature -40℃～+40℃
Pollution grade of service environment Grade Ⅳ（31mm/kV）
Note： It shall consult with manufacturer if departure from normal service condition.
4. Transport of GW 4-126 D outdoor HV AC disconnecting switch
Assemble and unassemble package can only adopt following tools:
---- Crane
---- Fork truck
---- Travelling crane
（Mark for notice） Note：
-- Avoid impact
-- Avoid other destructive mechanical force
-- Lifter shall be lifted stably with agraffe on the nylon line.
Product transportation shall according to operation mark outside the package and forbid turnover.
5. FQA for GW 4-126 D outdoor HV AC disconnecting switch
1) How do you pack the equipment?
By wooden case
2) What is your products standardization?
IEC and GB
3) How many years have your company made this kind of equipment?
More than 20years
4) What is the terms of payment?
L/C, T/T
5) What is your MOQ?
1set
6) How long is your delivery time?
60 working days
