Line Post Insulators

★ good mechanical strength
★ zero value deterioration
★ Reliable performance of transmission lines
★ ensure no string breakage failures occur

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We are the insulator supplier of porcelain insulators, mainly in disc suspension insulator,ceramic pin insulator, line post insulator, station post insulators, silicon rubber insulators, porcelain bushings, power fittings for power transmission lines and substations. Except this, we also provide whole project contract service.


insulator overview


product name:Line Post Insulators

Place of origin:China         Material: Porcelain

Size: Customized size           Standard:IEC 772


insulator parameters







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 Main dimension and ANSI standard particulars

Cat. No

1

2

3

4

5

Creepage 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

Power Frequency Withstand Voltage DRY(kN)

80

110

125

150

175

Power Frequency Withstand Voltage WET(kN)

60

85

100

125

150

Critical Impulse(pos, Kn) 

130

180

210

255

290

Flashover Voltage(kN)

155

205

260

340

380

Radio Influence(Test Voltage to   Ground)(kV)  

10

22

30

40

44

Voltage Data (Max. RIV at 1000kHz)(µV)

100

100

200

200

200

Net Weight Per Unit(kg)

7.5

10.5

12.7

16.8

19.5


insulator features                               


line post insulator

 Corrosion resistant insulation     

 High degree of smoothness 

 ◆Work Efficiently 

◆Preferred material 

 ◆High utilization rate 

  ◆Humanization design 

 ◆Wear-resistant and durable 



insulator-FAQ


1.  What's your advantage?

We focus on providing high-quality power fittings for many years, and will give you the most suitable price and comfortable after-sales service.

2.  What's the payment term?

T/T or L/C at sight.

3.  How's the delivery time?

Generally, it will take 20 to 40 days after receiving your advance payment. The specific delivery time depends on the products and the quantity of your order.

4.  Can I have some samples?

Few pcs of product's samples are available, but the freight should be collected.

5.  What's the standard of package?

    We usually pack our goods in cartons or pallets. We can also pack them according to your special requirements.

6.  How about the transport?

    If the number of goods is small we usually use DHL and some express you offered. If the number of the goods is big usually by sea or by air.

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