Brown Color 20kv St-20j Ceramic Porcelain Pin Insulator for Pole Line

China 
                Brown Color 20kv St-20j Ceramic Porcelain Pin Insulator for Pole Line
              manufacture and supplier

Brown Color 20kv St-20j Ceramic Porcelain Pin Insulator for Pole Line image

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  • Overview
  • Product Description
  • Parameter drawing

Overview

Basic Info.

Model NO.
SHF-20GS

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

Packaging & Delivery

Package size per unit product
100.00cm * 100.00cm * 100.00cm

Gross weight per unit product
1.000kg

Product Description

Product Description

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

 

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