Chinese wholesale Air Arrestor – Lightning Surge Arrester Yh10w-09 5ka 10ka 9kv Metal Oxide Lightning Arrester Protecting Polymer Surge Arrester With High Voltage And Varistor Insulated Bracket – EC Insulators Detail:
Description
|
Model |
MOA Rated voltage |
MCOV(kV) |
Impulse current residual voltage |
2ms Rectangular current impulse withstand |
4/10us High current impulse withstand |
||
|
1/4us Lightning current impulse |
8/20 us Lightning current impulse |
30/60us Lightning current impulse |
|||||
|
kV(rms) |
kV(rms) |
kV(crest) |
kV(crest) |
kV(crest) |
A(crest) |
A(crest) |
|
|
YH10W-09 |
09 |
7.65 |
33.7 |
27 |
23.8 |
250 |
100 |
Rated Voltage(Ur): 3kV – 36kV
* Nominal Discharge Current(In): 5kA or 10kA
* Long Duration Current Impulse: 150A or 250A
* High Current Impulse(Imax): 65kA or 100kA
* Pressure relief capability: 16kA or 20kA
* Creepage distance: ≥31mm/kV
The “EC” arrester offers all the advantages of a metal oxide distribution arrester in light-weight, low profile polymeric housing designed for either indoor or outdoor overhead applications. The polymeric housing eliminates the problem of chipped or cracked porcelain that can occur with rough handling or shipping. The failure mode of the “EC” arrester is less severe than that of porcelain housed units. When violent failure mode of porcelain housed arresters occurs, it does so when the internal arc from excessive fault current causes thermal fracture of porcelain housing and the hot gases created by the arc explodes the porcelain fragments in all directions. The “EC” with its polymer housing will split open during failure conditions to relieve the internal pressure. DURABILITY The ”EC” is tested in accordance with the latest industry standard ANSI/IEEE C62.11-1993 for metal oxide arresters, and also with IEC 60099-4 for class line discharge 1. The “EC” consistently withstands the following minimum design tests: < Low Current-Long Duration: 18 current surges of 250 A magnitude and 2000 μs duration. < Duty cycle: 20 discharges with a current surge of 10 kA magnitude and 8/20 μs wave shape, followed by 2 discharges with a current surge of 100 kA magnitude. Following each of these test, the “EC” arrester remains thermally stable and the discharge voltage increase at rated current is less than 10%. 5000 HOURS CLIMATIC AGEING TEST The “EC” arrester have overcome the 5000 hours of accelerated ageing test of the polymer, carried out according to the annex C of IEC 61109 standard.
FEATURES & BENEFITS
Direct moulded housing to prevent moisture ingress
Low residual voltages
Excellent cantilever performance
Hydrophobic Silicone Housing
Maintenance free
Quality Design and Manufacturing meeting International Standards
Product detail pictures:
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By Julie from Moscow - 2017.06.22 12:49
Wide range, good quality, reasonable prices and good service, advanced equipment, excellent talents and continuously strengthened technology forces，a nice business partner.
By Rae from Latvia - 2018.06.19 10:42
