55kV Porcelain Gapless Lightning Surge Arrester Outdoor For Railway

55kV Railway Porcelain Gapless Surge Arrester

Product introduction:

Normally there are 2 kinds of DC SA for railway system:

1/ 750V, Ur=1.0kV, 8/20μs residual voltage at 20kA: 2.4kV;

2/ 1500V, Ur=2.0kV, 8/20μs residual voltage at 20kA: 4.8kV.

Item	Description	Offered
1	Manufacture/ Country of Origin	Xi'an Shendian/ China
2	Model	Y5WT-84/240
3	Applicable standard	IEC 60099-4
4	Type	Outdoor, ZnO, gapless
5	Norminal voltage of system	55
6	Earthing system	Effectively earthed
7	Rated frequency	50/60
8	Rated voltage of SA	84
9	Maximum continuous operating voltage	68
10	Power frequency reference voltage	130
11	- at reference current of Note: State peak value or rms.	1
12	Nominal discharge current	5
13	(a) Lightning impulse	≤240
	(b) Steeping impulse	≤276
	(c) Switching impulse	≤196
14	Material employed in series non-linear resistor	ZnO etc.
15	- Material	Brown Porcelain
	- Minimum creepage distance	25/31
16	- HV terminal	hot zip screw
	- earth terminal	hot zip screw
17	Diameter of bushing sheds	252
18	Height	1200

Schematic diagram:

Reference:

1/ Shendian MOA is widely used in China EHV (Extra hight voltage) projects of State Grid, Southern Power Grid.

2/ Supplied MOA to ABB/Siemens/Schneider more than 20 years, as well as other capacitor/switchgear manufacturers.

3/ Shendian MOA has been exported to more than 30 counties all over the world.

Xi'an Shendian Electric Co., Ltd. (hereinafter referred to as "Xi'an Shendian") is one of the designated domestic manufacturers of metal-oxide surge arrester, neutral grounding resistor, piezoresistor, surge protective device, resistor, cable accessories, tubular busbar, condenser bushing, composite insulator, epoxy insulating product, vacuum pressure impregnation product and other products. Xi'an Shendian is located at No. 23, Fazhan Avenue, New Industrial Park, High-tech Zone, Xi'an City, covering a site area of 19,000 m2 and gross floor area of 24,000 m2, and holding fixed asset amounted to RMB 200 Million. Xi'an Shendian currently has 330 employees, including 79 professionals and 20 experts who have made great contribution to China and are specialized in the design and manufacturing of surge arrester, resistor, cable accessories and epoxy insulation product.