11KV U70BL best electrical insulator Porcelain Disc Ceramic isolators for 70KN

Short Description:

Hot selling electrical 11kv/33kv xp-70 ceramic suspension insulator

ANSI xp-70 standard Porcelain insulator support high voltage transmission lines. A suspension string can be made suitable for any voltage level.
The disc-shaped suspension porcelain insulator is a special insulation control, which can play an important role in overhead transmission line.

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70kn详情1

Parameter table

Ball and socket type suspension porcelain insulators( ANSI Class )
ANSI Class		52-3
Coupling size		Type B
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	67
Dry arcing distance	mm	197
Impact strength	N.m	6.2
Routine proof test load	kN	33.3
Time load test value	kN	44.5
Maximum working load	kN	33.3
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	4.7