Porcelain Post Insulators

 

Main Dimensions And Standard Particulars:

Factory No.		10321	10322	10323	10324	10325
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
Dimensions of the pin		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
	Wet flashover kV	60	85	100	125	150
Critical imqulse flashover voltage	Postive kV	130	180	210	255	290
	Negative kV	155	205	260	340	380
Radio influence voltage data	Test voltage to ground kV	15	22	30	44	44
	At 1000kHZ MaX.RIV μV	100	100	200	200	200
Weight kg		5	9.8	12	16	18

Dimenision:

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Keyword: Porcelain Insulators Porcelain Post Insulators