YH5W-480V Surge Arrester

The surge arrester is assembled above overhead distribution transformers, where they shunt the energy from overvoltage events (especially lightning effects) to a ground connection and protect the equipment against damage in system.
Characteristic:
Voltage: 0.5kV
Current: 1.5kA
Application: Overhead Distribution Line
Standard: IEC60099-4

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Overview

Technical parameter.

Electrical characteristics	Specification	Unit
Rated voltage of Surge arrreser	0.5	kV
Nominal discharge current	1.5	kA
Rated frequency	50	Hz
Maximum continuous operating voltage	0.42	kV
Lightning Impulse residual voltage	2.6	kV(Crest)
Long duration current impulse	50	kV(Crest)
Withstand voltage	10	kV(Crest)
Class of Surge arrester	Class 1
Application	Distribution type
With or without gap	Gapless
Designation of arrester	Design B

Spare parts
NEMA A or B mounting bracket	with/without
Disconnector	with/without
Earth lead	with/without
Bird guard cap	with/without
Line clamp	with/without
Upper terminal (incoming line) bolt size	M8
Lower termina (outgoing line) bolt size	M8

Material
Upper terminal	Stainless steel 304
Housing	Polymer type
Color of housing	Dark grey
Varistor	High quality zinc oxide varistor
Size of Varistor	35mm

Package
Qty/package	3	pc/carton

Service conditions
Environment maximum temperature	40	℃
Pollution level	Heavy
Altitude	1000	Meter

Standard	IEC60099-4:2014

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