China wholesale Silicon Insulator – Line Post Insulator 57 Series Tie-Top Type – Yongjiu

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China wholesale Silicon Insulator – Line Post Insulator 57 Series Tie-Top Type – Yongjiu Detail:

57 Series Tie-Top Type
Standard: ANSI C29.7-2015
Voltage:11-66kV
1. Tie Top Porcelain Line Post Insulators are designed for upright or angle mounting on a cross arm. They are rated from 25kV to 69kV in usual line voltage, and requiring a cantilever strength of 2800lb. For wood cross arm, long studs are supplied complete with large area flat washer ,square nut and lock nut. For steel cross arm, short studs are supplied with standard hex nuts and lock nuts.
2.Conductor grooves are the wide Tie Top ANSI standard type with head and neck designed for the use Wrap lock or conventional tie wires.
3.Gray glaze is standard for this ANSI type tie top porcelain line post insulators,Brown glaze can be supplied on order.
4.The ANSI standard No. for these Tie top porcelain line post insulators are: 57-1,57-2,57-3,57-4,57-5, with S or L after the number respectively represent short stud or long stud.For example : 57-1S means: short stud is supplied with 57-1 line post insulator.
Glass Insulator

ANSI CLASS

57-1

57-2

57-3

57-4

Creepage Distance (mm)

356

559

737

1015

Dry Arcing Distance (mm)

165

241

311

368

Cantilever Strength (kN)

12.5

12.5

12.5

12.5

Low Frequency Flashover Voltage-Dry (kV)

70

100

125

140

Low Frequency Flashover Voltage-Wet (kV)

50

70

95

110

Critical Impulse Flashover Voltage-Pos. (kV)

120

160

200

230

Test Voltage to Ground (kV)

15

22

30

44

Maximum RIV at 1000KHZ (µv)

100

100

200

200

Net Weight (kg)

4.8

7.8

11.0

18.0

全球搜详情_03Q:CAN YOU HELP US IMPROT AND EXPORT?

A:We will have a professional team to serve you.

Q:WHAT’S THE CERTIFICATES DO YOU HAVE?

A:We have certificates of ISO,CE, BV,SGS.

Q:WHAT’S YOUR WARRANTY PERIOD?

A:1 year in general.

Q:CAN YOU DO OEM SERVICE?

A:YES,we can.

Q:WHAT YOU LEAD TIME?

A:Our standard models are in stock ,as for big orders ,it take about 15 days.

Q:CAN YOU PROVIDE FREE SAMPLES?

A:Yes,please contact us to know the sample policy.


Product detail pictures:

China wholesale Silicon Insulator – Line Post Insulator 57 Series Tie-Top Type – Yongjiu detail pictures

China wholesale Silicon Insulator – Line Post Insulator 57 Series Tie-Top Type – Yongjiu detail pictures

China wholesale Silicon Insulator – Line Post Insulator 57 Series Tie-Top Type – Yongjiu detail pictures

China wholesale Silicon Insulator – Line Post Insulator 57 Series Tie-Top Type – Yongjiu detail pictures

China wholesale Silicon Insulator – Line Post Insulator 57 Series Tie-Top Type – Yongjiu detail pictures


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