Description:
specification1) Series:57-1L, 57-2L, 57-3L, 57-4L, etc series
2) Material :porcelain
3) Products Standard:ANSI
IEC line post ceramicinsulators for HV
ProductFeatures
Series: 57-1L, 57-2L, 57-3L,57-4L, etc series
Material : porcelain
Products Standard: ANSI/BS
OEM/ODM
Sampleavailable
MAIN DIMENSIONS AND STANDARD PARTICULARS ASFOLLOWING TABLE:
ANSI Class | With long stud | 57-1L | 57-2L | 57-3L | 57-4L | ||||||
| With short stud | 57-1S | 57-2S | 57-3S | 57-4S | ||||||
Leakage distance/in mm | 14356 | 22559 | 29737 | 1015 | |||||||
Dry arcing distance/in mm | 61/2165 | 91/2241 | 121/2311 | 368 | |||||||
Cantilever strength/lb KN | 2800 12.5 | 2800 12.5 | 2800 12.5 | 12.5 | |||||||
Fig. NO | 1 | 2 | 3 | 4 | |||||||
Average flashover voltage | Low-frequency | Dry/KV | 80 | 110 | 125 | 150 | |||||
Wet/KV | 60 | 85 | 100 | 125 | |||||||
Critical-Impulse | Positive/KV | 130 | 180 | 210 | 255 | ||||||
Negative/KV | 155 | 2.05 | 260 | 340 | |||||||
Radio-influence voltage date | Test Voltage to Ground/KV | 15 | 22 | 30 | 44 | ||||||
Maximum RIV at 1.000kc/µV | 100 | 100 | 200 | 200 | |||||||
For ANSI Class | 57-1S | 57-1L | 57-2S 3S 4S | 57-2L 3L 4L | |||||||
Main dimensions Steel stand mm | 13/4 44.5 | 7 178 | 7 178 | 13/4 44.5 | 7 178 | ||||||
17/16 36.5 | 41/2 114 | 41/2 114 | 17/16 36.5 | 41/2 114 | |||||||
17/32 31.0 | 17/32 31.0 | 17/32 31.0 | 17/32 31.0 | 17/32 31.0 | |||||||
3/4 | 3/4 | 3/4 | 3/4 | 3/4 | |||||||
5/8 | 5/8 | 5/8 | 3/4 | 3/4 | |||||||
we sincerely hopeour hardworking, our products can service more and more clientsfrom all over the world, so, if you are interested in our products,please don''t hesitate to contact us. Fzbonle also accepts ODMand OEM orders!
Looking forward toyour reply! we will arrange everything for you.
