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What are the properties of the 15kV insulators used in Metal Enclosed Switchgear?

15KV INSULATOR PROPERTIES

POLY EPOXY PORCELAIN

IMPULSE WITHSTAND 95 KV 95 KV 95 KV
60 HZ WITHSTAND 1MIN DRY 36 KV 36 KV 36 KV
LEAKAGE DISTANCE 6.0 IN 12.4 IN 6.87 IN
STRIKE DISTANCE 6.0 IN 6.0 IN 6.0 IN
CANTILEVER STRENGTH 1250 LB 1250 LB 1250 LB
TENSILE STRENGTH 3000 LB 3000 LB 3000 LB
COMPRESSION STRENGTH 20,000 LB 20,000 LB20,000 LB
TRACK RESISTANCE 1500 MIN N/A NO TRACK
BREAKAGE/CHIPPING LOW LOW HIGH


NEMA GPO-3 INSULATION


MATERIAL GLASS POLYESTER LAMINATE
UL94 FLAME CLASS 94V-0
TEMPERATURE INDEX 130C
HIGHLY FLAME RETARDANT ELECTRICAL / 160 C MECHANICAL CLASS B
AND LOW SMOKE GENERATING




CTA-ID : 2012467
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