70kn Ceramic Disc Suspension Insulator 52-3 Porcelain Insulator

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70kn Ceramic Disc Suspension Insulator 52-3 Porcelain Insulator

BS Class		52-1	52-2	52-3	52-3	52-4	52-4
Main dimension,mm	D	152	190	254	254	254	254
Main dimension,mm	H	140	146	146	146	146	146
Creepage distance,mm		178	210	292	292	292	292
Combined M&E Strength,kN		44	67	67	89	67	89
Impact Strength,N-m		5	5.5	6	6	6	6
Routine Proof Test Load,Kn		22	33.5	33.5	44.5	33.5	44.5
Time Load Test Value,Kn		27	44	44	53.4	44	53.4
Lower Frequency Flashover Voltage	Dry,kv	60	65	80	80	80	80
Lower Frequency Flashover Voltage	Wet,kv	30	35	50	50	50	50
Critical Impulse Flashover Voltage	Pos.,kv	100	115	125	125	125	125
Critical Impulse Flashover Voltage	Neg.,kv	100	115	130	130	130	130
Low Frequency Puncture Voltage,kv		80	90	110	110	110	110
RIV Data	Test volt. To ground,kv	7.5	7.5	10	10	10	10
RIV Data	Max RIV at 1000 KHz,Uv	50	50	50	50	10	50
Approx.weight,kg		2.5	3.5	4.6	5.2	4.6	5.2