Company Details


  •  [Fujian,China]
  • Business Type:Distributor/Wholesaler , Manufacturer
  • Main Mark: Africa , Asia , Middle East
  • Exporter:91% - 100%
  • Certs:CE, ISO9001, Test Report
  • Description:Line Post Insulator,Porcelain Power Line Insulators,Ceramic Line Post Insulator,High Voltage Line Post Insulation
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Line Post Insulator,Porcelain Power Line Insulators,Ceramic Line Post Insulator,High Voltage Line Post Insulation

Home > Products > Porcelain Insulator > Line Post Insulator

Line Post Insulator

Product categories of Line Post Insulator, we are specialized manufacturers from China, Line Post Insulator, Porcelain Power Line Insulators suppliers/factory, wholesale high-quality products of Ceramic Line Post Insulator R & D and manufacturing, we have the perfect after-sales service and technical support. Look forward to your cooperation!
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China Line Post Insulator Suppliers

Ceramic Line Post Insulator are a type of steel insulator, Line Post Insulator is used for supporting wires and resisting electric current, High Voltage Line Post Insulation consisting of one or more insulating members permanently glued to a metal base, sometimes with a cap,and can be double mounted on a metal base. The head bolt or one or several bolts are steel mounted on the support structure. Porcelain Power Line Insulators are suitable for temperatures between -40° C to +40° C, heights below 1000m(1000m and above can be amend base on GB311.1-1997), frequencies not exceeding 100Hz, voltages above 1000V, and mechanical loads within the rated values of the product.

ANSI Class 57-1 57-2 57-3 57-4 57-5
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
Low Frequency Dry Flashover Voltage/kv 80 110 125 150 175
Low Frequency Wet Flashover Voltage/kv 60 85 100 125 150
Critical Impulse Flashover Voltage, Pos/kv 130 180 210 255 290
Critical Impulse Flashover Voltage, Neg/kv 155 205 260 340 380
Test Voltage to Ground/kv 15 22 30 44 44
Maximum RIV at 1000KHZ/μv 100 100 200 200 200
Net Weight/kg 5.2 9.0 11.0 16 23
Dimensions of the pin/mm M20(M16) M20 M20 M20

line post insulator 57-1line post insulator57-2

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