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88kV 70kN Composite Strain Insulator

88kV 70kN Composite Strain Insulator

The strain insulator is a type of high-voltage composite insulator with an SML above 70 kN. Its structural height is 919 mm, its creepage distance is 2520 mm, and its dry arcing distance is 765 mm.
The insulator is composed of a hydrophobic silicone rubber housing, a high-strength epoxy resin fiberglass core rod, and hot-dip galvanized metal end fittings.
It is also commonly referred to as a silicone rubber insulator.
Polymer suspension insulators are characterized by light weight, long creepage distance, excellent corrosion resistance, and superior mechanical and electrical performance.
They provide the stable long-term operation of overhead transmission lines and are particularly suitable for highly polluted areas.

Product Introduction

No.

Description

Rated Voltage (kV)

Specified Mechanical Tensile Load (kN)

Coupling Size

Section Height H (mm)

Minimum Nominal Arcing Distance h (mm)

Minimum Nominal Creepage Distance L (mm)

Lightning Impulse Withstand Voltage ≥(kV)

Wet Switching Impulse Withstand Voltage ≥ (kV)

Wet Power Frequency Withstand Voltage ≥ (kV)

1

FXBW-11/70

11

70

16

330±5

200

550

105

-

40

2

FXBW-11/120

11

120

16

400±5

220

630

110

-

45

3

FXBW-33/70

33

70

16

610±15

445

1100

240

-

100

4

FXBW-33/70

33

70

16

670±15

484

1140

240

-

100

5

FXBW-33/100(120)

33

100(120)

16

650±15

454

1285

240

-

100

6

FXBW-66/70

66

70

16

870±15

710

2100

410

-

185

7

FXBW-66/70

66

70

16

940±15

750

2170

410

-

185

8

FXBW-66/100(120)

66

100(120)

16

940±15

750

2420

410

-

185

9

FXBW-110/70

110

70

16

1180±15

1024

3310

550

-

230

10

FXBW-110/70

110

70

16

1240±15

1084

3370

550

-

230

11

FXBW-110/100(120)

110

120(100)

16

1180±15

990

3080

550

-

230

12

FXBW-110/100(120)

110

120(100)

16

1240±15

1054

3300

550

-

230

13

FXBW-110/300

110

300

24

1480±15

1123

3266

550

-

230

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