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DECLARATIA DE POLITICA IN DOMENIUL CALITATII-MEDIULUI






Certificari
  

Contact Maira Montaj

Str. Stirbei Voda nr. 166, Sector 1, Bucuresti
Tel: 021-4137690, 037-4006116
Fax: 021-4139159, 021-6372123
E-mail: office@maira.ro

CUI: RO6661834
Nr. Inreg: J40/3784/1997
Cap Soc: 45.000 Lei


Izolator de trecere M 24-630.03.500 / Composite bushing insulator Maira M 24/630.03.500



Izolatoarele de trecere compozite sunt folosite pentru traversarea barelor de curent din interior in exterior, asigurând totodata si un nivel de izolatie adecvat / Composite bushing insulators are used for crossing current bars from indoor to outdoor, while ensuring an adequate level of insulation.


CONDITII DE MEDIU / ENVIRONMENT CONDITIONS
Temperatura maxima/ Maximum ambient temperature + 50 °C
Temperatura minima/ Minimum ambient temperature - 55 °C
Umiditatea relativa maxima/ Maximum humidity 100 %
Altitudinea maxima/Altitude above sea level 2500 m
Categoria climatica/ Dynamic category N – SR HD 478.2.1.S1
Categoria de exploatare/ Use category 3 – SR 1054-93


CARACTERISTICI TEHNICE / TECHNICAL DATA
Tensiunea nominala/Nominal system voltage 24 KV
Curentul nominal/Current rate 630 A
Sarcina mecanica individuala (incovoiere)/Individual mechanical load(bending) 3 KN
Curent limita termic /Rated short time withstand current 16 kAef
Curent limita dinamic / Rated peak withstand current 40 kAmax
Masa neta / Weight 6 kg
Fereastra / Window –50% Min.300/300; max.400x400mm
Lungime izolator / Length 500 mm
Bara de curent / Current bar Aliaj de Cu ; S =200 mmp
Dimensiune placa de prindere / Sheet dimensions 400x400 mm
Placa de trecere / Sheet Material compozit / Composite material


Principalele caracteristici tehnice ale izolatorilor compoziti tip suport ( fabricatie proprie Maira Montaj SRL) / Main characteristics of the composite support insulators (produced and designed by Maira Montaj SRL)

Linia de fuga/Leakage distance 748 mm
Tensiunea maxima de serviciu a retelei/Highest voltage of system 24 kV
Tensiune de tinere la impuls de trasnet/Lightning impulse withstanding voltage 200 kV
Tensiunea de tinere la frecvente industriale sub ploaie/Withstanding voltage with frequency power in wet condition 90 kV
Nivel de poluare / Polluted level IV