Medium voltage line cover
Descriptions
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Specifications
Raychem MVCC & MVLC (ฉนวนหุ้มสายอากาศกันไฟลัดวงจร)
สามารถติดตั้งถาวรกับสายไฟฟ้าเพราะทนแดดทนไฟและ leakage current
MVLC = medium voltage line cover
| Catalogues No. |
Conductor Size (mm2) |
Supplied length (M.) |
Baht/เมตร | |
| MVLC-14 | 100 | สอบถาม | ||
| MVLC-18 | up to 185 | 75 | สอบถาม | |
| MVLC-38 | up to 800 | 50 | 5000 | |
| Product Performance | |||||||||
| Test | |||||||||
| AC withstand (dry) – 1 minute | |||||||||
| AC withstand (wet) – 1 minute | |||||||||
| AC long term withstand (dry)- 4 hours | 8.6 kV min. / 14.4 kV min. | ||||||||
| 30 days thermal loading ( 8 hrs @ 130 °C; 16 hr off) | No MVLC deformation | ||||||||
| Conductor ampacity | 82 – 89 % of bare conductor ampacity | ||||||||
| Material properties per pps 3010/42 | Test method | Requirement | |||||||
| Physical | Tensile Strength | ASTM D638 | 8 MPa min. | ||||||
| Ultimate Elongation | ASTM D638 | 200 % min. | |||||||
| Abrasion Resistance | 1000 cycles, 2068g | 20 % max. thickness loss | |||||||
| Low Temperature Impact | ASTM D746 | No Cracking at -20 °C | |||||||
| Electrical | Dielectric Strength | ASTM D149 | 217 kV/cm. @ 1.27 mm. | ||||||
| Trackimg amd Erosion resistance | ASTM D2303 | No tracking or erosion to top surface | |||||||
| Step Voltage Method | or flame failure after 2000 minutes | ||||||||
| (initiate @ 2.5 kV) | |||||||||