Outdoor Substation Rated Voltage 21kv 5ka 10ka Station Class Surge Arrestor

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Product Name:

Outdoor Substation Rated Voltage 21kv 5ka 10ka Station Class Surge Arrestor

Model NO.:

YH5W5-21

Brand:

Yongde

Certification:

ISO9001, Kema

Material:

ZnO

Shape:

Cuboid

Operation Voltage:

High Voltage

Size:

Meidum

Application:

Substation

Installation:

Parallel Arrester

Structure:

Zinc Oxide Arrester

Type:

Metal Oxide Surge Arrester

Housing Material:

Silicone/Polymer/Composite Housing

OEM/ODM:

Accessory:

Bracket,Insulating Cap,Cooper Lead,Insulator,Hoop

Color:

Grey

Purpose:

Over-Voltage Protection

Trademark:

YONGDE

Transport Package:

by Wood Carton

Specification:

Iec60099-4

Origin:

China, Zhejiang

HS Code:

85354000

Product Details

Rated Voltage 21kV Station Class Surge Diverters

0.28kV~500kV Surge Arresters’ Characteristics:
1. The Core column applied winding structure, Polymer Housed core pillar molded on the core column, with almost no internal air gap, and outstanding sealing performance Simple in structure, small in size and light in weight.
2. Polymer Housed with silicone rubber, explosion-proof ZnO varistor as the core component is large
in flow capacity.
3. International standard IEC 60099-4 and ANSI 62.22, and with high reliability. With fully insulated tops, the product can be applied to the complete cabinet installation, which can reduce the designing size of cabinet.
4. Products with detachment device can provide signals for quitting operation when failure occurs,
avoiding arrester explosion, and it is maintenance-free.
5. Polymer housed products with a six CTI level, creepage distance meets the requirements of IV level in heavy pollution areas.

Technical Parameters:

Type	YH5W5-21/56	4/10µS High current impulse kA	65
Rated voltage———kV	21	Lightning impulse withstand kV	125
MCOV —————-kV	17	Power frequency voltage withstand(dry/wet)kV	50
Nominal Current——-kV	5	0.1S TOV————–kV	25.2
Residual voltage of steep impulse—-at 5kA(kV)	60.5	1S TOV—————-kV	24.15
8/20µS Residual voltage of lightning impulse current kV(Peak value)—–at 5kA(kV)	56	10S TOV—————kV	23.1
Residual voltage of switching impulse current kV (peak value)—-at 1kA (kV)	/	1200S TOV————-kV	21
1mA D.C reference voltage (kV)	29.7	Creepage distance —-mm	662
Line discharge level	1	Material employed in series non-linear resistor	Zinc Oxide
2mS long duration impulse current A	250	Material of housing	silicone rubber

Working condition:

Environment temperature: -40–+40 degree
altitude:<1000m
48HZ<Rated frequency<62HZ
Power frequency voltage should not be more than continuous running voltage
Max wind speed should be less than 35m/s
Earthquake intensity should be less than 7 degree
If used in contamination area, should be noted in advance.

Line discharge level from 1 to 5,

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