33kv support insulator porcelain line post insulator

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33kv support insulator porcelain line post insulator

ANSI Class		57-1	57-2	57-3	57-4	57-5
Creepage distance,mm		356	559	737	1015	1145
Dry arching distance		165	241	311	368	438
Cantilever Strength,Kn		12.5	12.5	12.5	12.5	12.5
Lower Frequency Flashover Voltage	Dry,kv	80	110	125	150	175
Lower Frequency Flashover Voltage	Wet,kv	60	85	100	125	150
Critical Impulse Flashover Voltage	Pos.,kv	130	180	210	255	290
Critical Impulse Flashover Voltage	Neg.,kv	155	205	260	340	380
RIV Data	Test volt. To ground,kv	15	22	30	44	44
RIV Data	Max RIV at 1000 KHz,Uv	100	100	200	200	200