(1) Conductors: Number of conductors: 2 and 3. The conductors comply with the requirements given in IEC 60228 for class 5.
(2) Insulation: The insulation is polyvinyl chloride compound of type PVC/D applied around each conductor.
(3) Assembly of cores: Circular cord: the cores are twisted together. Flat cord: the cores are laid parallel.
(4) Sheath: The sheath is polyvinyl chloride compound of type PVC/ST5 applied around the cores. The sheath fills the spaces between the cores, forming a filling, but does not adhere to the cores. The assembly is surrounded by a separator that does not adhere to the cores. Circular cords feature a practically circular cross-section.
Maximum Conductor Temperature: 70°C in normal use.
Standard Compliance: The cable type 60227 IEC 52 complies with IEC 62440, providing guidance on the safe use of electric cables with a rated voltage not exceeding 450/750 V.
| Number and nominal cross-sectional area of conductors (mm²) | Thickness of insulation Specified value (mm) | Thickness of sheath Specified value (mm) | Mean overall dimensions (mm) | Minimum insulation resistance at 70°C (MΩ·km) | |
|---|---|---|---|---|---|
| Lower limit | Upper limit | ||||
| 2 × 0.5 | 0.5 | 0.6 | 4.6 or 3.0 × 4.9 | 5.9 or 3.7 × 5.9 | 0.012 |
| 2 × 0.75 | 0.5 | 0.6 | 4.9 or 3.2 × 5.2 | 6.3 or 3.8 × 6.3 | 0.010 |
| 3 × 0.5 | 0.5 | 0.6 | 4.9 | 6.3 | 0.012 |
| 3 × 0.75 | 0.5 | 0.6 | 5.2 | 6.7 | 0.010 |
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