Pin Type Porcelain Insulator Shf20GS

Model NO.
SHF20GS
Type
A Type Insulator
Usage
High Voltage Power Transmission, Insulation, Electrical Installation
Size of Bearing Capacity
13kn
Certification
ISO9001, IEC
Color
Grey, Brown or White
Transport Package
1000*1000*1000mm
Trademark
JOHNSON
Origin
China
HS Code
854620909
Production Capacity
100000
Reference Price
$ 0.70 - 1.25
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Product Description

Product Description

Pin Type Porcelain Insulator Shf20GS HV porcelain pin insulator of SHF20GS type
There are two modifications of the insulator after the manner of its coupling:
with the polyethylene capsule, with the composite material thread corresponding to the requirements of SFS (Finland) standard.
Производитель изоляторов штыревых фарфоровых ШФ-20 Г

Minimum voltage Nominal kV 20
Puncture voltage in insulating medium kV 180
50 Hz withstand voltage (dry) kV 75
50 Hz withstand voltage (wet) kV 60
Impulse withstand voltage kV 125
Average annual number of failure, not more than N/per year 0.0005
Nominal creepage distance, not less than mm 325±14.5
Minimum mechanical failing load (bending), not less than kN 13
Weight kg 1.82±0.1

Parameter drawing

 


TYPE      ST-10/J    ST-15/J    ST-20/J    P-20-D
Mian Demension in (mm)        H    130     150     185    185
       h     55     60      65    52.65
       D    135     150      175    175
       d     31     31      35    27.78
       R1     10     10      10     10
       R2     12.5     12.5      12.5     12.5
Nominal Voltage(Kv)     10     15      20     20
Creepage Distance(mm)    240     270      340    340
Power-Frequency Puncture Voltage (Kv)    110     120      140     140
Electronical Failing Load(KN)     12     12      14.7     14.7
Flashover(min) Power Frequency Voltage  Dry(Kv)     70     75      90     80
Wet(Kv)     42     53      65     50
50%Critical Impulse     100     110      130     130
Weight (Kg)     1.5     2.7      3.4      3.8

 

Insulator