HORIZONTAL MOUNTING 15KV PORCELAIN LINE POST INSULATORS 57-21
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HORIZONTAL MOUNTING 15KV PORCELAIN LINE POST INSULATORS 57-21

DIMENSIONS
CREEPAGE DISTANCE:356MM
DRYARCING DISTANCE:165MM
CANTILEVER STRENGTH: 12.5KN
LOW FREQUENCY FLASHOVER VOLTAGE(DRY):80KV
LOW FREQUENCY FLASHOVER VOLTAGE(WET): 70KV
POSITIVE CRITICAL IMPULSE FLASHOVER VOLTAGE: 130KV
GROSS WEIGHT: 17.2KG
COLOR : GRAY OR BROWN
APPLICABLE STANDARD: ANSI C29.7-1996

Certificate & Test Reports
ISO9001
porcelain line post insulators 57-3 test reports
TR216 porcelain solid core post insulators
220kV C8-1050 station post insulator
550kV station post insulator ZSW-550-12
57-5line post insulator
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