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Railway Insulators FullScreen
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Composite Insulators for 25 KV line Stay, Bracket and 9Tonnes. Polymeric Insulator combines mechanical strength with excellent pollution-free performance. High tensile strength of glass fibre combined with HV shedded profile produces rugged, lightweight tension insulators for overhead line applications. Railway Polymeric Insulator combines mechanical strength with excellent pollution performance. High tensile strength of the glass fibre combined with HV shedded profile, makes it a rugged and lightweight tension insulator for overhead line applications.

  • Make in India
  • Composite design
  • Silicone housing
  • Patented crimp technology

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Specifications

Parameter
Lightweight, ease of installation and reduced transport costs
Vandal and break resistant
High tracking and erosion resistance
Excellent performance under polluted conditions
Reduced maintenance costs
Maximum mechanical strength without damaging fibre glass rod

 

 

Technical Information

General characteristics: Unit               9 Tonne Bracket Tube Stay Arm Tube
Applicable standard  

IEC 61109, IEC 62217 & RDSO specification No T1/SPC/OHE/INSCOM/1071, Rev.1

Material of FRP rod      Boron free, ECR grade
Material of housing       Silicone, Grey
Mechanical Characteristics:    
Type of shed profile      Aerodynamic
Applicable standard for shed profile      IEC 60815
Creepage distance  mm    1600 & 1050
Specified tensile load  kgf  11,000  7,000  7,000
Specified cantilever load  Kgf.m  210  200  200
Electrical Characteristics:    
Nominal system voltage  kV rms    25

Wet power frequency withstands voltage (Horizontal Position)

 kV rms    125
(Vertical Position)  kV rms    100

Dry lighting impulse withstand voltage.

(Positive Polarity)

 kVp    240
(Negative Polarity)  kVp    260
Visible discharge test voltage  kV rms    35

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