Shf-20g Isolators

• Application: High-voltage
• Material: Porcelain
• Structure: Pin Insulator
• Shipping Cost: Estimated freight per unit.: about shipping cost and estimated delivery time.
• Currency: US$
• Return&refunds: You can apply for a refund up to 30 days after receipt of the products.
• Model NO.: shf-20g
• 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
• Package Size: 100.00cm * 100.00cm * 100.00cm
• Package Gross Weight: 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