Tension Clamp
- Category： Power fitting
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Tension clamp refers to the hardware used to fix the conductor to bear thetension of the conductor and hang the conductor to the tension string or tower.
NLL/NLD Strain Clamps
Material:Body: NLL are made of aluminum NLD are made of hot dip galvanized steelU bolt / bolt: Hot dip galvanized steel R Pin: Stainless Steel.
| Type | U bolt | Applicable conductordiameter(mm) | |
| Qty | Diameter | ||
| NLL-1 | 2 | M12 | 5.0-15.5 |
| NLL-2 | 2 | M12 | 8.2-17.0 |
| NLL-3 | 3 | M14 | 11.4-20.0 |
| NLL-4 | 4 | M16 | 13.6-25.0 |
| NLD-1 | 2 | M12 | 5.0-10.0 |
| NLD-2 | 3 | M12 | 10.0-14.0 |
| NLD-3 | 4 | M16 | 14.0-18.0 |
| NLD-4 | 4 | M16 | 18.1-23.0 |
| Aspect | BS (British Standards) | IEC (International Electrotechnical Commission) | AS/NZS (Australian/New Zealand Standards) | US Standards (ANSI/IEEE) | GB (Chinese National Standards) |
|---|---|---|---|---|---|
| Voltage Range | Typically up to 36 kV | Up to 52 kV | Up to 36 kV | Up to 46 kV | Up to 40.5 kV |
| Material Specifications | Specifies materials for durability and safety | General material guidelines for international use | Similar to IEC with local adaptations | Detailed material specs for US market | Follows IEC with local modifications |
| Testing Requirements | Includes type, routine, and sample tests | Comprehensive testing for safety and performance | Aligns with IEC but includes local conditions | Rigorous testing for safety and reliability | Similar to IEC with additional local tests |
| Application Guidelines | Detailed installation and usage guidelines | Broad guidelines for international applicability | Specific to Australian and New Zealand conditions | Focused on US electrical systems | Tailored to Chinese electrical systems |
| Safety Standards | High emphasis on safety and reliability | Global safety standards | High safety standards with local regulations | Stringent safety protocols | Strong focus on safety and compliance |
| Certification | Kitemark certification | CB Scheme for international certification | Local certification bodies | UL, CSA, and other US certifications |
CCC (China Compulsory Certification) |
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