Product Description
The MNS type low-voltage withdrawable switchgear, a masterpiece from Xiamen Newcom Electrical Co. Ltd, stands as a testament to modern advancements in electrical engineering. Drawing inspiration from the esteemed MNS series low-voltage switchgear by ABB in Switzerland, our switchgear embodies significant enhancements and innovative design improvements. Unquestionably the pinnacle of low-voltage withdrawable switchgear in China, these units are meticulously crafted from standardized and modular components. The ingenious design of the drawers, featuring robust mechanical interlocks, ensures unparalleled safety and reliability for users.
This remarkable switch cabinet is designed for versatility, catering to AC systems operating at 50 (60) Hz, with a rated working voltage of 400V or 660V and a rated current up to 5000A within a three-phase, five-wire power configuration. Its extensive applicability spans power plants, substations, industrial and mining enterprises, residential and commercial buildings, hotels, airports, docks, as well as communication centers like radio and television facilities. This equipment excels in power generation, transmission, distribution, conversion, and consumption control. Furthermore, it integrates seamlessly with capacitance compensation cabinets to deliver reactive power compensation via the founder bus. Adherence to stringent national and international standards, such as GB7251.1 'low-voltage switchgear' and IEC60439 'low-voltage switchgear and control equipment,' underscores its commitment to quality and performance.
Use Environment
1. Designed for resilience, the ambient air temperature range should remain within +40 °C at the upper limit and not fall below -5 °C. The average temperature must not surpass +35 °C over a 24-hour period.
2. Optimal performance is achieved when the relative humidity remains below 50% at the peak temperature of +40°C. However, should temperatures drop, higher humidity levels are permissible, such as 90% at +20°C, acknowledging the possibility of minor condensation due to temperature fluctuations.
3. Exclusively for indoor settings, the installation site should maintain an altitude not exceeding 2000 meters.
4. Installation should occur in a stable environment free from violent vibrations or impacts, and where electrical components are shielded from corrosive agents.
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Ordering Instructions
When placing an order, the User shall provide:
1. A comprehensive main circuit distribution system diagram, including phase layout. Specify the rated working voltage, current, protection device settings, and any necessary technical specifications.
2. Precise specifications for the incoming and outgoing cables should be detailed.
3. Clearly list the model, specification, and quantity of primary electrical components within the differential cabinet.
4. Should there be a requirement for bus extrusion or bus ducting between switch cabinets or incoming cabinets, the order must specify essential data such as span and height above ground level.
5. If the switch cabinet is to be deployed in special environmental conditions, this must be elaborated at the time of order placement.
6. Specify the desired surface color of the switch cabinet along with any other bespoke requirements.
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