Power Distribution Line Type Arrestor 21kv 10kv Polymeric Lightning Arrester

• Type: Distribution Metering Box
• Structure: Protection
• Installation: Tandem Arrester
• Application: Substation
• Size: Meidum
• Operation Voltage: High Voltage
• Model NO.: YH10W5-21
• Shape: Spiral
• Material: ZnO
• Certification: ISO9001, Kema
• Brand: Yongde
• Transport Package: Wooden Case
• Specification: IEC60099-4
• Trademark: YONGDE
• Origin: China
• HS Code: 85354000
• Production Capacity: 5000 PCS/Month

Product Description

1.Product information
Product Name:21kV,10kA ,
Item No:YH10W5-21/57.7

Size:425mmX145mmX235mm with 3pieces per carton
 Packing:carton with polyfoam insert parts

MOQ:1setsproduction capacity: 400 sets per day

Weight:8kg/carton

Trade Terms:FOB,CIF(or we can discuss details)
Loading Port:Ningbo/ Shanghai(Or as customer requirement)

Loading Ability:    20'GP4400sets 

40'GP 8700sets 
2. Surge Arrester Working condition 

1)Environment temperature: -40--+40 degree 
2)altitude: <1000m 
3)48Hz<rated frequency<62hz="" 4)Power frequency voltage should not be more than continuous running voltag 
5)Max wind speed should be less than 35m/s 
6)Earthquake intensity should be less than 7 degree 
7)If used in contamination area, should be noted in advance. 

3. Surge Arrester Other information 
About us: 
Our company is founded in 1993year, with advanced technology and talents. To provide customers with the most satisfactory product quality and thoughtful service. We hope to develop together with you hand in 
Hand, and make both of us win-win. I hope the majority of buyers can come visit and tour company, 
Your satisfaction is our greatest pursuit. 

Technical parameters:

Type	YH10W5-21/57.7	4/10µS High current impulse kA	100
Rated voltage---------kV	21	Lightning impulse withstand kV	150
MOCV ----------------kV	17	Power frequency voltage withstand(dry/wet)kV	50
Nominal Current-------kV	10	0.1S TOV--------------kV	25.2
Residual voltage of steep impulse----at 5kA(kV)	62.5	1S TOV----------------kV	24.15
8/20µS Residual voltage of lightning impulse current kV(Peak value)-----at 5kA(kV)	57.7	10S TOV---------------kV	23.1
Residual voltage of switching impulse current kV (peak value)----at 1kA (kV)	43.7	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	400	Material of housing	silicon rubber