China Ac Disc Porcelain Insulators (Normal Type) Manufacturer and Supplier

Ac Disc Porcelain Insulators (Normal Type)

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Standard: IEC60383
Voltage:6-33kV

Suspension insulators are available for ball & socket or clevis-tongue coupling. Standard caps are constructed of hot-dip galvanized malleable iron.
Cotter keys for locking ball & socket and clevis pin connections are stainless steel.
The normal type disc suspension insulators include standard type and large creepage distance type, which are widely used in clean area and light pollution area.

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, which are widely used in clean areas and light pollution areas.

Glass Insulator

IEC CLASS		U70BL	U70C	U80BL	/	U100BL	U120B
Type		XP-70	XP-70C	XP-80	XP-90	XP-100	XP-120
Porcelain Nomimal Diameter,D.mm		255	255	255	255	255	255
Unit Spacing,H.mm		146	146	146	146	146	146
Standard Coupling Size		16	16C	16	16	16	16
Nominal Creepage Distance,mm		295/320	295	295	295	295/320	295/320
Rated E&M Failing load,kN		70	70	80	90	100	120
Routine Tension Load,kN		35	35	40	45	50	60
Impact failing load,N-m		6	6	6	6	7	7
Power Frequency Withstand Voltage	Dry, kV	70	70	70	70	70	70
Power Frequency Withstand Voltage	Wet, kV	40	40	40	40	40	40
Dry Lightning Impulse Withstand Voltage, kV		100	100	100	100	100	100
Power Frequency Puncture Voltage,kV		110	110	110	110	110	110
Radio Influence Voltage Data	Test Voltage to Ground, kV	10	10	10	10	10	10
Radio Influence Voltage Data	Max. RIV at 1000 KHz, uV	50	50	50	50	50	50
Net Weight,Each, Approx., kg		4.6	4.8	4.9	5.3	5.7	6