China high-voltage disc suspension porcelain insulators provider

high-voltage disc suspension porcelain insulators are mainly used on high-voltage overhead transmission and distribution lines to support and insulate conductors. The normal type disc suspension porcelain insulators include standard type and large creepage distance type insulators.

below is parameters of our high voltage disc suspension porcelain insulators :

Type	Class IEC	Unite spacing (H) mm	Nominal diameter (D) mm	Nominal creepage distance (L) mm	Coupling size	Rated E&M failing load kN	Routine tension load kN	Impact failing load N. m	Power-frequency withstand voltage		Dry lightning impulse withstand voltage kV	Power-frequency puncture voltage kV	Radio-interference voltage		Unite mass kg
									Wet kV	Dry kV			Test voltage to ground kV	Max. RIV at 1 MHz μV
Xp1-40	U40B	110	175	190	11	40	20	5	30	55	75	90	7.5	50	2.4
Xp-40c	U40C	140	190	200	11C	40	20	5	30	55	75	90	7.5	50	2.7
Xp-70	U70BL	146	255	295/340	16	70	35	6	40	70	100	110	10	50	4.6/5.3
Xp-70C	U70C	146	255	295	16C	70	35	6	40	70	100	110	10	50	4.8
XP1-70	U70BS	127	255	295/320	16	70	35	6	40	70	100	110	10	50	4.6/4.8
Xp4-70	U70BL	146	270	330	16	70	35	6	40	70	100	110	10	50	5.00
Xp5-70	U70BL	146	200	210	16	70	35	6	30	50	80	110	10	50	3.7
Xp-80	U80BM/L	140/146	255	295	16	80	40	6	40	70	100	110	10	50	4.9
Xp-100	U100BL	146	255	295/320	16	100	50	7	40	70	100	110	10	50	5.7/6.0
Xp3-100	U100BL	146	280	340	16	100	50	7	40	70	100	110	10	50	6.6