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178kn ANSI 52-8 High Voltage Outdoor Disc Suspension Porcelain Insulator

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Ball and socket type suspension porcelain insulators( ANSI Class )
ANSI Class		52-8
Coupling size		Type K
Dimensions
Diameter(D)	mm	254
Spacing(H)	mm	146
Creepage distance	mm	320
Dry arcing distance	mm	197
Mechanical Values
Combined M&E strength	kN	178
Dry arcing distance	mm	197
Impact strength	N.m	11.3
Routine proof test load	kN	89
Time load test value	kN	107
Maximum working load	kN	89
Electrical Values
Low frequency dry flashover voltage	kV	80
Low frequency wet flashover voltage	kV	50
Critical impulse flashover voltage,positive	kV	125
Critical impulse flashover voltage,negative	kV	130
low frequency puncture voltage	kV	110
Radio influence Voltage Data
Test voltage RMS to ground	kV	10
Maximum RIV at 1000kHz	μv	50
Packing and Shipping Data
Net weight,approximate	kg	7.8