Gold Member Since 2011
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Hangzhou Yongde Electric Appliances Limited Company

Lightning Arresters, Surge Arrestor, Surge Protector manufacturer / supplier in China, offering Creepage Distance 662mm Hangzhou High Voltage Lighting Arrester 21kv, Mv Composite Metal Oxide Surge Arrester Without Gaps, Isolator Autonomous Motor Operating Mechanism and so on.

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Supplier Homepage Product Surge Arrester Creepage Distance 662mm Hangzhou High Voltage Lighting Arrester 21kv

Creepage Distance 662mm Hangzhou High Voltage Lighting Arrester 21kv

FOB Price: US $1 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $1/ Piece
Get Latest Price
Production Capacity: 300sets Per Day
Transport Package: Carton
Payment Terms: L/C, T/T, D/P, Western Union, Paypal, Money Gram
Basic Info
  • Model NO.: YH10W-21
  • Structure: Zinc Oxide Arrester
  • Application: Substation
  • Operation Voltage: High Voltage
  • Material: ZnO
  • Brand: Yongde
  • Housing: Polymer
  • Discharge Current: 10ka
  • Specification: SGS
  • HS Code: 85354000
  • Type: Power Source Arrester
  • Installation: Parallel Arrester
  • Size: Meidum
  • Shape: Cuboid
  • Certification: ISO9001
  • Housing Color: Grey
  • Voltage: 21kv
  • Trademark: YONGDE
  • Origin: China, Zhejiang
Product Description
1. Surge arrester spec

1)Type---------YH10W5-21/56
2)Rated voltage---------21
3)MOCV ----------------17V
4)Nominal Current-------10kA
5)1mA D. C reference voltage (kV)------29.7
6)Line discharge level----1
7)2mS long duration impulse current A---------400
8)4/10µ S High current impulse kA-----100
9)Lightning impulse withstand kV-----------150
10)Power frequency voltage withstand(dry/wet)kV--50
11)1S TOV----------------25.2kV
12)1S TOV----------------24.15kV
13)10S TOV---------------23.1kV
14)1200S TOV-------------21kV
15)Creepage distance ---- 662mm
16)Material of housing-----silicon rubber
17)Material employed in series non-linear resistor---------Zinc Oxide
18)Residual voltage of steep impulse----at 5kA(kV)---------62.5
19)8/20µ S Residual voltage of lightning impulse current kV(Peak value) at 5kA(kV)------------57.7
TypeYH5W5-21/56
Rated voltage---------kV21
MCOV  ----------------kV17
Nominal Current-------kV5
Residual voltage of steep impulse----at 5kA(kV)60.5
8/20µS Residual voltage of lightning impulse current kV(Peak value)-----at 5kA(kV)56
Residual voltage of switching impulse current kV (peak value)----at 1kA  (kV)/
1mA D.C reference voltage (kV)29.7
Line discharge level1
2mS long duration impulse current A250
4/10µS High current impulse kA 65
Lightning impulse withstand kV125
Power frequency voltage withstand(dry/wet)kV50
0.1S TOV--------------kV25.2
1S TOV----------------kV24.15
10S TOV---------------kV23.1
1200S TOV-------------kV21
Creepage distance ----mm662
Material employed in series non-linear resistorZinc Oxide

2. Packing details

1) Size: 425mmX145mmX235mm with 3pieces per carton
2) Packing: Carton with polyfoam insert parts
3)Weight: 8kg/carton
4)Loading Port: Ningbo/ Shanghai(Or as customer requirement)
5)Loading Ability: 20'GP 4400sets / 40'GP 8700sets

3. 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.

Line discharge level from 1 to 5,



4. 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.

Production Lead Time & Quality Guarantee:
Sample deliery time is about 2-3days
Big order quantity is about 30-35 days after we receive 30%~50% deposit from you.
Generally, it takes 4 working days by DHL/UPS, and 7-10days by EMS
12months' warranty period. 20years' quality guarantee period
With ISO9001: 2008approvals.

Customer Services:
Our salesmen will reply your inquiry within 24 hours. Any order is welcome. If you like to be our agent in your country, we can give you any support on the technique & other aspects.
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Mr. Digang Ma
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