Railway Insulators
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Railway Insulator
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Polymeric Insulator for railway application up to 25kV. Polymeric Railway Insulators combine mechanical strength with excellent pollution performance. High tensile strength of glass fiber combined with HV shed profile makes the insulator rugged and light weight for traction application.
Compact design and break resistant
Excellent tracking and erosion properties
Hydrophobic properties for excellent pollution performance
No maintenance required
Light weight and easy installation
Patented crimp design to maximize mechanical strength
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| Parameter |
|---|
| Available in 25 & 31 mm/kV creepage distance |
| Product qualification as per IEC 62217 & RDSO specifications |
| Aerodynamic and double alternative shed profile as per IEC815 |
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 | ||
Certifications
CPRI
More info available on request
ERDA
More info available on request