The IEC 60502-1 compliant copper cross-linked polyethylene (XLPE) insulated polyvinyl chloride (PVC) sheathed galvanized steel tape armoured 0.6/1kV power cable (model N2xby) is a low-voltage power transmission product with high safety and strong adaptability, widely used in industrial plants, municipal engineering, underground pipe networks and other complex environments. Its rated voltage of 0.6/1kV is suitable for AC 50/60Hz low-voltage power grids, meeting the power transmission needs of medium and high-power equipment clusters and underground laying scenarios.​ In terms of specifications, the conductor is made of high-purity electrolytic copper (purity ≥99.95%) through a compact stranding process. The number of cores (N) and cross-sectional specifications (xmm²) can be flexibly combined, commonly ranging from 2×16mm² to 4×240mm². The DC resistance at 20℃ is ≤0.018Ω/km (4×240mm²) to ≤0.988Ω/km (2×16mm²), and the current-carrying capacity (when laid in air) can reach 480A (4×240mm²), ensuring low-loss and efficient power transmission. The insulation layer is made of XLPE material with a temperature resistance of 90℃, with a thickness of 2.0-4.5mm (increasing with the cross-section), a volume resistivity of ≥1×10¹⁴Ω·cm, which can withstand an ambient temperature difference of -40℃ to 90℃, an insulation eccentricity of ≤15%, and a partial discharge amount of ≤10pC.​ The structural design highlights durability: the inner layer is XLPE insulation, the middle layer is wrapped with galvanized steel tape armouring (thickness 0.5-0.8mm), and the outer layer is a PVC sheath (thickness 1.8-2.5mm). The galvanized steel tape armouring increases the cable's mechanical impact resistance by 60%, which can resist soil extrusion and stone collision during underground laying; the PVC sheath has acid and alkali resistance and UV resistance, with a flame spread rate of ≤0.5m/min, passing the IEC 60332-1 flame retardant test.​ Its characteristic applications cover multiple scenarios: in industrial plants, specifications of 4×120mm² and above can be used as main cables for production lines, withstanding equipment vibration and oil pollution; in municipal engineering, the 2×50mm² model is suitable for underground street lamp lines, and the armoured layer prevents rat and ant bites; in underground pipe corridors, the cable can adapt to humid environments, and can resist groundwater erosion when laid with pipes. Taking 4×240mm² as an example, it can support the connection between an 800kVA transformer and the workshop main distribution box, maintaining stable operation under continuous high load.​ The entire production process follows the IEC 60502-1 standard: the conductor is annealed to eliminate stress, the XLPE insulation adopts a three-layer co-extrusion process to ensure uniformity, the armoured layer uses a fully automatic wrapping machine to achieve a steel tape gap of ≤0.5mm, and the sheath extrusion temperature is controlled at 160-180℃ to avoid aging. Finished products must pass more than 20 tests such as power frequency withstand voltage (3kV/5min without breakdown) and armouring adhesion (≥15N/cm), with a complete test report attached to each batch.