Meet requirements of UNE-EN 60,439 -1, UNE-EN 60,439 -3, UNE 20,324, and UNE-EN 50,102. Degree of protection IP43 and IK09. Envelope must have internal ventilation to prevent condensation. General. In particular, the DIN VDE 0100 series of standards describes the basic requirements for electrical installations in low-voltage networks. Design requirements help you follow important standards like. Essential for quarries or heavy industrial zones where dust concentration hits 50mg/m³ or higher. Testing Insight: During IP5X/6X testing, enclosures are placed in a dust chamber for 8 hours with talcum powder circulating. The distribution box has the characteristics of small size, simple installation, special technical performance, fixed location, unique configuration function, not limited by the site, relatively common application, stable and reliable operation, high space utilization, less land occupation and. The installation requirements and specifications of Distribution box involve many aspects, including site selection, fixing method, wiring specifications and safety protection. Site selection requirements: The distribution box should be installed in an area close to the power supply to reduce. Choose the right box based on environment (indoor/outdoor), load capacity, and durability. Practice good wiring: secure.