40kn U40B Disc Suspension Porcelain Insulator

Short Description:

Ordinary insulators are suitable for general areas. Properly increasing the number of insulators can also improve the pollution flashover performance. Disc suspension porcelain insulator is a special insulation control, which can play an important role in overhead transmission lines.

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40kn U40B Disc Suspension Porcelain Insulator (13)

40kn U40B Disc Suspension Porcelain Insulator (14)

Parameter table

Ball and socket type suspension porcelain insulators( IEC Class )
Type		XP-40
IEC Class		U40B
Coupling size		16
Dimensions
Diameter(D)	mm	190
Spacing(H)	mm	140
Leakage distance	mm	200
Mechanical Values
Combined M&E strength	kn	40
Impact strength	N.m	5
Routine proof test load	kn	20
Electrical Values
power frequency dry withstand voltage	kv	55
power frequency wet withstand voltage	kv	30
Dry lightning impulse withstand voltage	kv	75
Power frequency puncture voltage	kv	90
Radio influence Voltage Data
Test voltage RMS to ground	kv	7.5
Maximum RIV at 1000kHz	μv	50
Packing and Shipping Data
Net weight,approximate	kg	2.8