St-20j Shj Pin Insulator

St-20j Shj Pin Insulator image

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Visión General
Product Description
Parameter drawing

Información Básica.

No. de Modelo.

st-20j

Certificación

ISO9001, IEC

Color

Grey, Brown or White

Paquete de Transporte

1000*1000*1000mm

Marca Comercial

JOHNSON

Origen

China

Código del HS

854620909

Capacidad de Producción

100000

Descripción de Producto

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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