Home > Products > Ceramic insulators > Post-insulators > line post insulators
Browse Categories
Ceramic insulators(22)
Suspension-insulators(3)
Pin-insulators(7)
Post-insulators(5)
Stay-insulators(2)
Shackle insulators(1)
Spool-insulators(1)
Wiring and other insulators(3)
Electric power fitting(8)
Lightning arrester(4)
Fuse cutouts(12)
Certifications
Contact us
Fuzhou Lingt Trading Co., Ltd. Tel: +86-591-87618322 Fax: +86-591-83965269 E-mail: liamchan@fjever.com MSN: everckl@hotmail.com...Contact Now
line post insulatorsline post insulators

line post insulators

  • standard; IEC and ANSI
  • Color:brown and gray

ANSI Class

57 -21

57-22

57-23

57-24

57-25

Leakage 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

Average flashover voltage

Low-frequency

Dry/kV

80

110

125

150

175

Wet/kV

70

100

115

135

160

Critical-impulse

Positive/ kV

130

180

210

255

290

Negative/ kV

155

205

260

340

380

Radio-influence voltage date

Test voltage to Ground/ kV

15

22

30

44

44

Maximum RIV at 1.000kc/μV

100

100

200

200

200

Net weight each approx./kg

7.5

10.5

12.7

16.8

9.5

Number in standard package

6

3

3

2

2

 

Tag:
Fuzhou Lingt Trading Co., Ltd.

Tel:15359012365

Contact Person:liamchan

Send your inquiry directly to us show code on cursor in the input box
( 0 / 3000 )