Busbars shall be air insulated. The clearances between phase and neutral shall be as per IEC 61439-6.Baralar hava ile izole edilecektir. Fazlar ve ntrler arasndaki boluk IEC 61439-6 standart hkmlerine uygun olacaktr.Busbar supports shall be made of high quality insulating material such as Dough moulded compound, Sheet moulded compound, araldite etc. Please refer to Data sheet for the specific requirement.Bara destekleri hamur kalplama bileii, sac kalplama bileii ve araldite gibi yksek kalitede yaltkan maddelerden yaplacaktr. zel gereksinimler iin veri sayfasna baknz.

The insulating material shall be treated for preventing fungus growth. Surface of insulators shall be highly glazed and treated to minimize accumulation of dust, condensation of moisture and tracing. The design of busbar supports shall be such that free thermal expansion of busbars shall be possible. In vertical run of the busduct, suitable clamps/supports shall be provided to retain the busbars in position and distribute loading evenly on supports. When the bus-duct passes through building wall from indoors to outdoors or indoor to indoor, a wall frame assembly with seal off bushings shall be provided to prevent interchange of air between two sections. The seal off bushings shall be flanged type.Yaltkan malzeme mantar geliimini nlemek amacyla uygulanacaktr. yaltkan yzeyleri, toz birikimini, nem younlamasn ve izlemeyi en aza indirmek iin son derece srlanm ve ilem grm olacaktr. Bara destekleri, baralarn sl genlemelerine olanak verecek ekilde tasarlanm olacaktr. Bara kanalnn dikey iletiminde, baray pozisyonda tutmak ve destekler zerinde dahi yk eit datmak iinuygun kelepeler / destekler salanacaktr. Bara kanallar bina duvarlarndan ieriden darya veya dardan ieriye geerken, iki blm arasnda hava deiimini engellemek iin yaltm burlu elektrik panosu tertibat temin edilecektir.Yaltm burlar flanl tip olacaktrFlanged ends shall be provided to facilitate connection of bus-ducts both at the transformer and switchgear end. All hardware such as bolts, nuts, spring and plain washers shall be supplied along with bus-duct to connect it at both ends.Reinforcement / stiffeners shall be provided for the covers from inside on which supporting lugs are provided.ENCLOSURES AND CONSTRUCTIONThe LV switchgear and control gear shall be of the floor mounting multi-cubicle type and shall have a complete enclosure of metal or of an insulation material of sufficient mechanical strength.The materials of construction shall be properly prepared and treated against rust or corrosion. The switch gear and control gear shall be of free standing type suitable for front access and operation, unless otherwise detailed in the LV Switchgear and Control gear F&A Specification Sheet.Vermin plates shall be provided.The ingress of protection of the assembly shall meet the expected climatic and plant operating conditions, subject to a minimum rating of IP41.All parts above 25 V AC or 60 V DC that remain live or may become live during functional testing, when the compartment door is open shall be shrouded to a minimum of IP2X. The degree of protection between compartments shall be IP3X.The enclosure shall be of unit construction suitable for splitting into sections for shipping to site and to be correctly re-erected on prepared foundations without skilled supervision. The individual shipping section length shall not exceed 2400mm. Provisions shall be made for addition of future units on both ends of the switchgear assembly after its installation at site. End busbar fish-plates shall be provided..