Product Description
Introducing the MNS type low-voltage withdrawable switchgear—a pinnacle of innovation meticulously developed by Xiamen Newcom Electrical Co. Ltd. Drawing inspiration from the renowned MNS series low-voltage switchgear of ABB company in Switzerland and enriched with comprehensive improvements, our product stands as the most advanced low-voltage withdrawable switchgear in China. Crafted from standardized, modular components, these switchgears are equipped with highly reliable mechanical interlocks, ensuring unmatched safety and reliability for users.
This state-of-the-art switch cabinet serves an extensive array of applications, ideally suited for AC 50 (60) Hz, with a rated working voltage of 400V to 660V and up to a rated current of 5000A, within a three-phase five-wire power system. It finds its versatile use across power plants, substations, industrial and mining enterprises, buildings, hotels, airports, docks, and essential communication centers such as radio and television. It functions efficiently in power generation, transmission, distribution, power conversion, and equipment control, further optimizing performance through capacitance compensation cabinets for founder bus reactive power compensation. Adhering strictly to the national standard GB7251.1 'low-voltage switchgear' and IEC60439 'low-voltage switchgear and control equipment', it guarantees superior compliance and quality.
Use Environment
1. The ambient air temperature should be maintained within a range not exceeding +40 °C and not falling below -5 °C. An average temperature of no more than +35 °C should be sustained over 24 hours to ensure optimal performance.
2. The surrounding air's relative humidity must remain below 50% at the highest temperature of +40°C. Higher relative humidity is permissible at lower temperatures, such as 90% at +20°C. Nevertheless, provisions for occasional moderate condensation due to temperature fluctuations should be considered.
3. Designed exclusively for indoor use, the height of installation should not surpass 2000 meters above sea level, ensuring consistent operational integrity.
4. The installation site should be free from any intense vibrations or impacts, and it is imperative that the electrical components remain uncorroded for sustained efficiency.
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Ordering Instructions
When placing an order, it is essential for the user to provide:
1. A comprehensive main circuit distribution system diagram, including the phase layout diagram, rated working voltage, rated working current, protection device operating current, and all necessary technical specifications.
2. Clear specifications for incoming and outgoing cables must be indicated.
3. Detailed model, specification, and quantity of the primary electrical components within the differential cabinet are required.
4. Should a bus extrusion or bus duct be needed between switch cabinets or incoming cabinets, specific data such as span and ground height must be precisely indicated.
5. If the switch cabinet is to be utilized under special environmental conditions, thorough details should be provided at the time of order.
6. The desired surface color of the switch cabinet and any additional specific requirements should be clearly stated.