Detailed Product Description

Alternating-current system Disk-shaped suspending insulator 

Anti-pollution Type

This is characteristics for only some types of glass insulator. 

 For other information, please visit our website or contact us.

Insulator Model	U100B/146H	U210BP/146H	U160BP/155H
Diameter D (mm)	255	255	280
Structure H (mm)	146	146	155
Creepage distance L (mm)	400	400	450
Socket coupling (mm)	16	16	20
Mechanical failing load (kN)	100	120	160
Mechanical routine test (kN)	50	60	80
Dry power frequency withstand voltage (kV)	80	80	85
Wet power frequency withstand voltage (kV)	45	45	50
Dry lightning impulse withstand voltage (kV)	110	110	125
Impulse puncture voltage (p.u.)	2.8	2.8	2.8
Min power frequency puncture voltage (kV)	130	130	130
Radio influence voltage (μV)	≤50	≤50	≤50
Electric iron visual test (kV)	18/22	18/22	18/22
Power frequency electric arc voltage	0.12s/20kA	0.12s/20kA	0.12s/20kA
Net weight per unit (kg)	4.6	4.6	7.3

This is characteristics for only some types of glass insulator. 

For other information, please visit our website or contact us.