Line Post Type-Porcelain Insulators Type 57-3

TIS.2623 Part 7(1)-2564 / ANSI/NEMA C29.7-2015 TYPE / ANSI CLASS 57-3
DIMENSIONS
Leakage distance, minimum, mm 737
Dry arcing distance minimum, mm 311
MECHANICAL VALUES
Cantilever strength, kN 12.5
Cantilever proof load, kN 5
ELECTRICAL VALUES
Low-frequency dry flashover, kV 125
Low-frequency wet flashover, kV 95
Critical- impulse flashover, positive, kV 200
RADIO INFLUENCE VOLTAGE DATA
Low-frequency test voltage, rms to ground, kV 30
Maximum RIV at 1000 kHz, microvolts 200
Colour of insulator BROWN
Weight of Insulator, kg 11