Pin Type Porcelain Insulator Shf20GS

Basic Info

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

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

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