Product Introduction MNS low-voltage withdrawable switchgear is suitable for AC 50-60 Hz, rated working voltage 660V and below power generation and power supply systems, such as power generation, transmission and distribution, petrochemical departments, factories and mining enterprises, building power supply and other industries, as power distribution, control and reactive power Compensation, etc., especially for large-scale power plants, petrochemical industries, etc., where the degree of automation is intensive, and places requiring dialogue and communication with computers can fully meet their needs. Product Reference Standard The product complies with IEC-493-1 "Low-Voltage Switchgear and Control Equipment", GB7251 "Low-Voltage Complete Switchgear", ZBK36001 "Low-voltage withdrawable switchgear" and other standards. Technical Parameters 1. Electrical performance 2. Rated working voltage: 380, 660V 3. The maximum working current of the main bus: 5500A (IP00), 4700A (IP30) 4. Short-time (1S) withstand current of the main bus: 100kA (effective value) 5. Maximum working current of distribution bus (vertical bus): 1000A 6. Short-term peak current of distribution bus (vertical bus): 7. Standard 90kA (maximum), enhanced 130kA (maximum) 8. Protection level 9. Comply with IEC529, DIN40050 standards 10. IP30 protects against solids greater than Φ2.5mm 11. IP40 protects against solids larger than Φ1.0mm IP54 protects against dust and splashes in any direction 12. Electrical Performance should be negotiated with the manufacturer when ordering IP54 protection level Features of MN5 low-voltage withdrawable switchgear Compact design: more functional units can be accommodated in a smaller space, saving cabinet volume, The MCC cabinet can be installed with 36 8E/4 drawers or 9 8E drawers at most. The drawer unit has the characteristics of small size, strong function, accurate orientation and strong interchangeability. It is suitable for installing three-pole or four-pole air switch and is reliable. The effective installation height of the functional unit is 1800mm, which can be freely combined into two forms of fixed type and drawer type in the same cabinet. Strong structural versatility and flexible assembly: The C-shaped profile with 25 mm as the touch count can meet the requirements of various structural forms, protection levels and use environments Adopting standard module design: standard units for protection, operation, conversion, control, adjustment, measurement, and indication can be formed separately, and users can choose and assemble them according to their needs. With more than 200 kinds of assembly parts The cabinet frame structure and drawer unit of different schemes can be composed. Safety: A large number of high-strength flame-retardant engineering plastic components are used to effectively strengthen the protection and safety performance. The vertical bus channel adopts a split function board, and the right-angle dagger-shaped branch bus is embedded in it MCC cabinets can be arranged back to back Convenient assembly: no special complex tools are required. Conditions of Use a. For indoor installation and use, the altitude does not exceed 2000M. b. The ambient air temperature should not exceed +40℃, not lower than -5℃, and the highest daily average temperature should not exceed +35℃. c. Relative humidity: the highest temperature does not exceed 50% at +40℃. Relative humidity is allowed at lower temperature (for example, 90% at +20°C) d. Seismic intensity: Grade 8. e. The vertical inclination of the cabinet body shall not exceed 5 degrees during installation. f. There should be no violent vibrations, shocks and insufficient corrosion of electrical components in the installation site. g. When the user has special requirements, it can be resolved through consultation with the manufacturer.