Polymer station post insulators
Our line post insulators is made of high-performance silicone and designed specifically for overhead power lines.
Wuhan Line Power offers a variety of polymer transmission insulators to meet your power and utility construction needs. We provide suspension, line post, and customized insulator components. If you have any questions or would like a quote, please contact our team.
Products Parameters
| DIMENSIONS:Height: 1245±20 mm. Min. Dry Arcing Distance: 1100 mm. Min. Creepage Distance: 3000 mm. Diameter Of The Rod: 070 mm. Number Of Sheds: 23. |
Polymer station post insulators raw materials: 2. Core |
MECHANICAL: Specified Tensile Load(STL): 40 kN.Max. Design Cantilever Load (MDCL): 2kN.Specified Cantilever Load (SCL): 4kN Standard: IEC 61952. |
ELECTRICAL: Rated Voltage: 132 kV. Lightning Impulse Withstand Voltage: 650 kV. Power Frequency Withstand Voltage (Wet 1 Min): 275 kV. Standard: IEC 61952. |
| Item | Requirement | Measured Valued |
| Visual examination | Fuchsine, grey or white, no obvious mechanical admixture. Vulcanized silicon rubber with dense and smooth cutting surface. | Ok |
| Hardness (shore A) | ≮50 | 65~70 |
| Tensile strength (Map) | ≮4 | 4~6 |
| Failure elongation (%) | ≮150 | ≮180 |
| Tearing strength (kN/m) | ≮10 (right angle sample) | 12~15 |
| Volume resistivity (Ω.m) | 1X1012 | 3~8X1012 |
| Puncture strength (kV/mm) | Alternating current ≮22 | ≮30 |
| Tracking and erosion | TMA4.5,erosion depth≯2.5mm | TMA4.5, erosion depth <0.8mm |
| Flammability (Grade) | FV-0 | FV-0 |
Composite Insulator Features
- Wide selection of metal end fittings
- Reliable mechanical and electrical performance
- Lightweight for easier installation
- Shed design minimizes insulator length per kV rating
- Resistant to shock and vibration
- Good resistance to leakage marking and erosion
- Full range of silicone insulators
- Quality designed and manufactured by ISO9001 and ANSI C29.18
Quality Control:
Submit Drawing or Parameters for Design & Quotation
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