HXNG15-12 series high pressure ring network cabinet is suitable for, 12kv three-phase ac 50 hz power distribution system, widely used in the construction and reform of city network site engineering, industrial and mining enterprises, high-rise buildings and public facilities, etc., as a ring net power supply unit and terminal equipment, play a power distribution, control and protection of electrical equipment. 1. The appearance is beautiful and compact, and the protection level of the shell after the cabinet is more than IP3X. 2. The upper and lower units are modularized, which is convenient for installation and maintenance. 3. The frame of the cabinet adopts a riveted structure to ensure the strength of the cabinet. 4. The integrated low-voltage chamber can be used to install secondary components, and an expandable instrument chamber is provided to install more secondary protection units. 5. Can provide installation pressure relief channel. 6. Adopt SF6 gas-insulated maintenance-free load switch, which is economical and reliable. 7. The operation is simple and convenient. 8. It has a complete five-proof interlocking device with high installation performance.1. Ambient air temperature: -5~+40 and the average temperature should not exceed +35 in 24h. 2. Install and use indoors. Altitude above sea level for operation site should not exceed 2000M. 3. Relative humidity should not exceed 50% at max temperature +40. Higher relative humidity is allowed at lower temperature. Ex. 90% at +20. But in view of the temperature change, it is possible that moderate dews will produce casually. 4. Installation gradient not exceed 5. 5. Install in the places without fierce vibration and shock and the sites insufficient to erode the electrical components. 6. Any specific requirement, consult with manufactory.