U120BLP Anti-Pollution Type Toughened Glass Insulator

Glass suspension insulators are designed, manufactured and tested in conformance with the requirements of ANSI Standard C.29.2B.

Product Detail

防雾未标题-1

IEC designation		U40B	U100BPL	U120BPL
Diameter D	mm	178	280	280
Socket coupling	mm	110	146	146
Creepage distance L	mm	190	450	450
Socket coupling	mm	11	16	16
Mechanical failing load	mm	40	100	120
Wet power frequency withstand voltage	kv	25	50	50
Dry lightning impulse withstand voltage	kv	50	125	125
Impulse puncture voltage	P.U	2.8	2.8	2.8
Power frequency puncture voltage	kv	90	130	130
Radio influence voltage	μv	50	50	50
Corona visual test	kv	18/22	18/22	18/22
Power frequency electric arc voltage	ka	0.12s/20ka	0.12s/20ka	0.12s/20ka
Net weight per unit	kg	2.1	5.8	5.8