Railway Line Post Insulators
Category:
Railway
Application Scope:Railway
Standards & Compliance:
Product Overview:Suitable for electrified railway catenary support systems worldwide, engineered to fix and insulate catenary wires, withstand mechanical stress and electrical load under train-induced vibration (compliant with IEC 61109 and EN 50119).
Keywords:
Railway Line Post Insulators
Description
Key Features
- Safety factor 2.5, compliant with IEC 61109:2025, passed vibration fatigue and salt spray tests.
- Lightweight (1/10 of porcelain), easy to install and vandal-resistant.
- Multiple end fittings (stud base, F-neck), customizable and globally compatible.
- Silicone housing, excellent insulation for harsh outdoor environments.
Core Parameters
| Catalog No. | Rated Voltage | SCL (kN) | Overall Height (mm/in) | Creepage Distance (mm/in) | Dry Flashover (kV) | Wet Flashover (kV) | Lightning Impulse (kV peak) |
| RP-25-05-888 | 25 kV AC | 5.0 | 888 / 34.96 | 1146 / 51.18 | 175 | 125 | 360 |
| RP-25-10-900 | 25 kV AC | 10.0 | 900 / 35.43 | 1200 / 47.24 | 180 | 130 | 380 |
| RP-25-11-950 | 25 kV AC | 11.0 | 950 / 37.40 | 1478 / 58.20 | 230 | 180 | 330 |
| RP-3DC-05-450 | 3 kV DC | 5.0 | 450 / 17.72 | 650 / 25.59 | 50 | 35 | 125 |
| RP-1.5DC-05-350 | 1.5 kV DC | 5.0 | 350 / 13.78 | 400 / 15.75 | 30 | 20 | 95 |
Table Notes:SCL = Specified Cantilever Load.
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Address: 545 Makham Khu, Nikhom Phatthana District, Rayong 21180, Thailand
Tel: +86-371-62366506
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E-mail: info@tim-insulator.com
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