COMPOSITE SUSPENSION & DISTRIBUTION DEADEND INSULATOR Maira H 24.80.300 II

ENVIRONMENT CONDITIONS
Maximum ambient temperature + 50 °C
Minimum ambient temperature – 55 °C
Maximum humidity 100 %
Altitude above sea level 2500 m
Radiation of sun Strong
Position of installation Outdoor

                   
TECHNICAL DATA
Nominal system voltage 20 KV
Highest voltage of system  24 KV
Nominal system frequency  50/60 Hz
Withstanding voltage with frequency power during 1 minute in dry condition
(to earth & between phases)
131 KV
Withstanding voltage with frequency power during 1 minute in wet condition  85 KV
Lightning impulse flashover voltage (positive) –50%  230 KV
Lightning impulse flashover voltage (negative) –50% 240 KV
Thickness of galvanization of metal part - SR EN 10083/1 70 μm Zn
Fittings – IEC 61466–2/2002 Cylindrical M12/M12
Kind of material Silicone rubber ( HTV)
Specified mechanical load 18000 lbs
Creepage distance – IEC 815 /1986 30.82 inch
Exceptional maximum tensile strenght 22500 lbs
Length - SR EN 60383/1 11.8 inch
Weight 4.62 lbs
Polluted level – IEC 815/1986  IV (3,1 cm/KV)

Usable standards as follows:
IEC 61109; ANSI C29.11-1989(1996); C29.12-1997(2002) & C29-13-2000.