1. Color: Green 2. Standard: ANSI, BS 3. Type test 4. ISO9001 LXY-420 Domestic designation LXY-420 IEC standard insulators U420B/205 Minimum mechanical failing load 420KN H Spacing H 205mm D Diameter D 360mm L Creepage L 550mm Ball and socket soupling 28 Stainless steel security clip R Powey frequency withstand voltage for unit: Five pcs 230KV/50KV Lighting impulse withstand voltage for unit: Five pcs 535KV/140KV Power frequency puncture voltage 130KV Rodlo influence voltage 50μ V Electric iron visual test 18KV/20KV Impul sepuncture voltage 2.8p. u Power frequency electric arc voltage 0.12s/20KA Net wight per unit 16kg
