Gold Member Since 2011
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Hangzhou Yongde Electric Appliances Limited Company

Surge Arrester, Lightning Arrester, Polymer Housed Arrester manufacturer / supplier in China, offering High Voltage Polymer Metal-Oxide Lightning Arrester Surge Arrester 5ka, 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 High Voltage Polymer Metal-Oxide Lightning Arrester Surge Arrester 5ka, 21kv

High Voltage Polymer Metal-Oxide Lightning Arrester Surge Arrester 5ka, 21kv

FOB Price: US $1 / Piece
Min. Order: 30 Pieces
Min. Order FOB Price
30 Pieces US $1/ Piece
Get Latest Price
Production Capacity: 5000 PCS/Month
Transport Package: Carton
Payment Terms: L/C, T/T, Money Gram, Western Union
Basic Info
  • Model NO.: YH5W-21
  • Structure: Zinc Oxide Arrester
  • Application: Substation
  • Operation Voltage: High Voltage
  • Material: ZnO
  • Brand: Yongde
  • Housing Color: Grey
  • Nominal Discharge Current: 5ka
  • Specification: SGS
  • HS Code: 85354000
  • Type: Power Source Arrester
  • Installation: Parallel Arrester
  • Size: Large
  • Shape: Spiral
  • Certification: ISO9001
  • Phase: Single
  • Voltage: 21kv
  • Trademark: YONGDE
  • Origin: Hangzhou
Product Description
1.Polymer Housed with flexible silicone rubber, explosion-proof  ZnO varistor as the core component
is large in flow capacity which is much higher than that of the
 2. national standard GB11032 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. 
3.Products with detachment device can provide signals for quitting operation when failure occurs,
avoiding arrester explosion, and it is maintenance-free. 
4.Polymer housed products with a six CTI level,creepage distance meets the requirements of IV level in
heavy pollution areas.
 
Rated voltage: 21KV
Shed diameter: 120/90
Height b: 218mm
Gross weight: 1.6kg
Creepage distance: 662mm
Long duration current impulse 250A
Lightning impulse withstand 95/125KV

TypeYH5W5-21/56
Rated voltage---------kV21
MOCV  ----------------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

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