Rich Machinery And Electric Equipments Co.LTD,electri`c,power tool,energy,high voltage,electrical,zno,sic,varistor,lightning arrester,arrestor,fuse cutout,porcelain insulator,porcelain bushing,fibre glass,lamp,light,silicon rubber,OEM,CKD parts CT,PT,disconnector,switch,electric motor,soft cable

	Porcelain Bushing	Positions: Home - Porcelain Bushing - line post insulator

line post insulator 7

Factory No.		10401	10402	10403	10404	10405
ANSI Class		57-1S 57-1L	57-2S 57-2L	57-3S 57-3L	57-4S 57-4L	57-5S 57-5L
Fig. No		16	17	18	19	20
Pin Length mm		M16	M20(M16)	M20	M20	M20
Creepage Distance mm		356	559	737	1015	1145
Dry Arcing Distance mm		165	241	311	368	438
Cantilever Strength kN		12.5	12.5	12.5	12.5	12.5
Low Frequency Flashover Voltage	Dry Flashover kv	80	110	125	150	175
Low Frequency Flashover Voltage	Wet Flashover kv	60	85	100	125	150
Critical Impulse Flashover Voltage	Pos. kv	130	180	210	255	290
Critical Impulse Flashover Voltage	Neg. kv	155	205	260	340	380
Radio Influence Voltage Data	Test Voltage to Ground kv	15	22	30	44	44
Radio Influence Voltage Data	Max. RIV at 1000kHz uv	100	100	200	200	200
Net Weight Each Approx. kg		5	9.8	12	16	18