|
Product Detail :
|
Supply of lightening arrestor supply of metal oxide lightning arrester(la) heavy duty station class metal oxide gapless
lightening arrestor supply of metal oxide lightning arrester(la) heavy duty station classmetal oxide gapless lightning arrester morester type stn-d type heavy duty station class metal oxide gapless lightning arrester morester type stn-d reference standard iec 99-4 of 2006/is 3070 (part3) 1993 no of unit one rated voltage 30kv nominal discharge current with class 10ka class 1 reference current 2 ma peak reference voltage greater than rated arrester voltage at reference leakage current at cov less than 0.8 ma max continuos operating voltage 24kv rms maximum residual voltage for discharge current of (8/20 micro sec wave) 5000 amps 85kvpeak 10000 amps 90kvpeak 20000 amps 100kvpeak max steep front residual voltage at 10ka with one micro sec rise time 100kvpeak max switching impulse residual voltage with 40/80 us wave at 1000 amps 80kvpeak energy dissipation capability form 3 seqential shots 6 kj /kv high current 4/10 us test value 100kapeak long duration current tests current peak virtual duration as per discharge class 2 of iec -99-4 table -4 2000 micro sec pressure relief class class a short circuit current capability 40ka rms partial discharge at 1.05 times mcov less than 10pc 0.1 second 34.5ka rms 0.1 second 33.5ka rms 10.0 second 31.5ka rmsinsulation withstand tests on arrester housing one minute 50 hz dry & wet 95ka rms lightning impulse voltage withstand 175ka rms creepage distance mm 900 (nominal ) weight of complete unit 11?10% kgs height of complete unit from base to the line side refer drg no 2500300 minimum recommended contre to centre spacing between arresters500
|
| Tender Detail : |
lightening arrestor supply of metal oxide lightning arrester(la) heavy duty station class metal oxide gapless |