Technical Specifications
| Parameter | Specification |
|---|---|
| Sustained Load | Up to 600kN per station |
| Test Duration | 96 hours minimum |
| Stations | 4 independent |
| Load Maintenance | plus or minus 1% of set value |
Key Features
- Dead-weight or hydraulic sustained loading
- Automatic displacement monitoring with failure alarm
- Independent stations for parallel testing
The 96-Hour Mechanical Load Test
IEC 61109 requires composite insulators to withstand 70% of rated SML for 96 hours without rupture. This validates the long-term integrity of FRP core rod and end fitting assembly.
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