Y5(10)W-24 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: 24kV
Current: 5kA / 10kA
Application: Overhead Distribution Line
Standard: IEC60099-4

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Overview

Technical parameter.

Electrical characteristics	Specification		Unit
Rated voltage of Surge arrreser	24		kV
Nominal discharge current	5	10	kA
Rated frequency	50		Hz
Maximum continuous operating voltage	19.5		kV
Steep current impulse residual voltage	82		kV(Crest)
Lightning Impulse residual voltage	72		kV(Crest)
Switching Impulse residual voltage	62		kV(Crest)
Long duration current impulse withstand voltage	150	250	A
High current impulses	65	100	kA (Crest)
Rated Short-circuit current	20 / 12 / 6 / 0.6 ± 0.2		kA
Class of Surge arrester	Class 1 or Class 2
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	M12
Lower termina (outgoing line) bolt size	M10

Material
Upper terminal	Stainless steel 304
Housing	Polymer type
Color of housing	Dark grey / light grey
Varistor	High quality zinc oxide varistor
Size of Varistor	35mm / 38mm /40mm / 42mm

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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