Home Product Insulator Polymer Insulator

InsulatorPolymer Line Post Insulator

General Description
  • IEC 61466, IEC 61109, IEC 61952, ANSI C29.13 

  • ISO 9001, KEMA, CESI, CE, TUV, UL, ASTA

  • Seismic design, ETGI-1.020, IEEE Std 693, NCh2369

  • Structural design, ASTM A325, ANSI/AISC 360, AWS D1.1

  • High altitude correction per IEC & IEEE, ~ 5000m

  • Special corrosion-resistant high strength fiberglass

  • Unique vacuumizing method-Bubble Free vulcanization

  • High hydrophobicity and tracking resistance of the silicone rubber

  • Line post insulator, Line suspension insulator, Railway polymer insulator

Typical Specification

Polymer Line Post Insulator - ANSI Standard Type

Voltage

Class

Section

Length (L)

Dry Arcing

Distance

Leakage Distance

Positive

Critical

Impulse

Flashover

Low Frequency

Flashover

Specified

Cantilever

Load (SCL)

Maximum Design Cantilever Load (MDCL)

kV

mm (in)

mm (in)

mm (in)

kV

Dry - kV

Wet - kV

kN (lbs)

kN (lbs)

69

775 (30.5)

617 (24.3)

1544 (60.8)

380

250

225

27.1 (6090)

13.5 (3045)

899 (35.4)

737 (29.0)

1890 (74.4)

450

290

260

24.0 (5410)

12.0 (2705)

1022 (40.3)

861 (33.9)

2238 (88.1)

520

340

295

21.1 (4750)

10.6 (2375)

115

1147 (45.2)

986 (38.8)

2583 (101.7)

590

385

330

18.2 (4085)

9.1 (2043)

1271 (50.0)

1115 (43.9)

2931 (115.4)

665

430

365

15.2 (3415)

7.6 (1707)

 

138

 

1395 (54.9)

1234 (48.6)

3277 (129.0)

735

475

410

13.8 (3100)

6.9 (1550)

1519 (59.8)

1361 (53.6)

3622 (142.6)

805

520

450

12.3 (2775)

6.2 (1388)

161

1643 (64.7)

1481 (58.3)

3970 (156.3)

875

555

470

10.8 (2440)

5.4 (1220)

1767 (69.5)

1610 (63.4)

4315 (169.9)

955

600

495

9.4 (2105)

4.7 (1053)

230

2289 (90.1)

2032 (80.0)

5166 (203.4)

1205

740

565

8.0 (1791)

4.0 (896)

2537 (99.9)

2281 (89.8)

5862 (230.8)

1350

820

605

7.2 (1608)

3.6 (804)

2766 (108.9)

2540 (100.0)

6553 (258.0)

1505

905

650

6.5 (1469)

3.3 (735)