Jsl industries offers jyoti brand oil cooled current transformer for outdoor installation for a reliable measurement of power and protection of distribution system up to 66 kv rating. The reliability of the current transformer is very crucial and of prime importance in modern switchgear. The unit is hermetically sealed. The primary rating is available up to 1200 a. Multi-ratio transformation can be provided by tapping on secondary winding. Maximum five secondary windings can be provided to meet the requirements of metering, protection and special purpose prottive class. Optionally, the cts can also be supplied with nitrogen gas filled on the top of the oil. Higher insulation level can also be offered on request. Salient features: oil/paper insulation; high insulation reliability; metal parts treated for corrosion resistance; use of porcelain bushing suitable for heavily polluted atmosphere; easy accessibility to lv terminals; and successfully tested for lightning impulse voltage test, short time thermal and dynamic current test and temperature rise test. Provision for optional accessories: ferrous parts exposed to atmosphere are hot dip galvanised; primary terminal connectors; cable glands; stainless steel bellows; nitrogen gas filling above oil level; and arcing horns. The complete assembly can be easily transported using the lifting hooks already provided on the tank. Technical specifications: ratio - up to 1200 a; accuracy calss - as required; burden - as required; short time current rating and its duration - up to 31.5 ka/3 sec; basic insulation level - 72.5/140/350 kv; creepage distance - 25 mm/kv, i.E., 1810 mm [min]; and number of secondary cores - 5 [max].
