57-5 porcelain line post insulators, China Suppliers and Manufacturers

57-5 porcelain line post insulators

Supplier Info

[China Supplier]

Contact Person : Ms. Yang Coco

Tel : 86-591-88195963

Fax : 86-591-83216987

Product Detail

Product NO : 57-5 Material : porcelain Standard : ANSI Color : brown or white we are a manufacturer of porcelain insualtor

57-5 57-4(S/L) Line Post Insulator

1:we can supply Insulators according to the following IEC,AS Standard.

2:S—Short Spindle L—Long Spindle

Main Specifications

ANSI Class	57-1S/L	57-2S/L	57-3S/L	57-4S/L	57-5S/L
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 Dry Flashouer(kv)	80	110	125	150	175
Low Frequency Wet Flashover (kv)	60	85	100	125	150
Critical Impulse Flashover Pos(kv)	30	180	210	255	290
Critical Impulse Flashover Neg(kv)	155	205	260	340	380
Test Voltage To Ground(kv)	15	22	30	44	44
Maximum RIV at 1000KHZ (uv)1000KHZ	100	100	200	200	200
Net Weight Each Approx(kg)--S	5.2	9	11	16	18
Net Weight Each Approx(kg)--L	5.2	9.4	11.5	16.5	18.5

57-5 porcelain line post insulators