Manufacture High Voltage Pin Type Insulator Porcelain Insulators Ceramic Insulator

Manufacture High Voltage Pin Type Insulator Porcelain Insulators Ceramic Insulator image

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Overview
Product Description
Parameter drawing

Basic Info.

Model NO.

st-20j

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

Creepage Distance

325mm

Cantilever Strength

13kn

Net Weight

1.8kg

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

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

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
	Power Frequency Voltage	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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