12kv 10ka Porcelain Ceramic Housed Metal-Oxide Surge Arrester
Model NO. 12KV -10KA
- Application Power Plants
- Size Medium
- Operation Voltage High Voltage
- Shape Spiral
- Material Ceramic
- Certification ISO9001
- Brand NIHON
- Color Brown
- Transport Package Carton
- Specification Porcelain
- Origin Japan
NVD-Type Lightning Arrester
ADVANTAGES
1. NVD-type lightning arrester has ability which is enough to be satisfied with ANSI, BS, and IEC standard respectively. And this lightning arrester has characteristics of miniature and lightweight.
2. Since especially insuled spacer is made of advantageous alumina percelain, it is not broken out by insulating, heating withstand characteristice and surge, vibration ect.
3. Since the arc is extingushed by permanent magnet, exhaustion of electrode is little and the arrester has abillity of excellent and stabe cutoff.
4. The synsetic rubber is adopted as a material of sealing packing, the most important parts for perfeclty sealded structure of an arrester and as all of arrester is stricly checked its airtightness in vacuum process, remarkable long life is guaranteed as an arrester is completely free penetration of moisture and so on.
Performance Characteristics of NVD-TYPE Lightning Arresters IEC Publications
Performance Characteristics of NVD-TYPE Lightning Arresters IEC Publications
Rated Voltage ( kV rms ) : 12
Insulation withstand test Volatge
* Impule, 1x50us full wave kv cres ( BIL ) : 85
* 1 min, Dry test :31
* 10 sec, Wet test : 27
Power Frecuency Sparkover voltage ( km rms ) :19.2
Maximum Impulse Sparkover test voltages
* Front steepness F.O.W ( kv/us ) : 100
* Std.kv peak : 43
* F.O.W kv peak : 50
Maximum residual voltages 8x20us current wave ( kv ) peak, at 5KA : 43
Dimensions ( kg ) : 325
Weight ( kg ) : 3.5
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