MNS Low Voltage Withdrawable Switchgear
The MNS system is a product that our company has introduced using manufacturing technology from the Swiss company ABB. It is a factory-assembled low-voltage switchgear device, and the technical standards comply with GB7251.1, IEC439-1, VDE0660 Part 500, BS5486 Part 1, and UTE63-410. As a marine product, it also meets the marine standards of LLOYD'S REGISTER.
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Product Details
Product Overview
The MNS system is a product introduced by our company using manufacturing technology from Switzerland's ABB, designed for factory-assembled low-voltage switchgear. The technical standards comply with GB7251.1, IEC439-1, VDE0660 Part 500, BS5486 Part 1, UTE63-410, and as a marine product, it also meets the LIOYD’S REGISTER marine standards.
The MNS system low-voltage switchgear includes fixed technology and drawer technology, with materials divided into steel plate structure technology and plastic structure technology. The latter's technical level reaches the international standard of the 1990s.
The MNS system can adapt to various power supply and distribution needs and can be widely used in land applications, power plants, nuclear power plants, marine applications, oil platforms, and various industrial and mining enterprises' distribution systems.
Product Features
◌ Compact design: accommodates more functional units in a smaller space.
◌ Strong structural versatility and flexible assembly. The C-shaped profile with a 25mm modular design meets various structural forms, protection levels, and usage environment requirements.
◌ Standard module design: can be composed of standard units for protection, operation, conversion, control, adjustment, measurement, indication, etc., allowing users to assemble as needed. Over 200 types of assembly components can create different cabinet structures and fixed partitions or drawer units.
◌ Safety: extensively uses high-strength flame-retardant engineering plastic components, effectively enhancing protective safety performance.
◌ High technical performance: main parameters reach contemporary international levels.
◌ Space-saving: high degree of standardization can significantly reduce the storage and transportation space for prefabricated parts.
◌ Easy assembly: does not require special complex tools.
Basic Parameters
Electrical Performance
◌ Rated insulation voltage: 690V/AC;
◌ Rated operating voltage: 400V/AC;
◌ Rated impulse withstand voltage: 8kV;
◌ Rated frequency: 50~60Hz;
◌ Maximum working current of the main bus: 6300A;
◌ Short-time withstand current of the main bus: 100kA;
◌ Peak withstand current of the main bus: 220kA;
◌ Maximum working current of the distribution bus (vertical bus): 1200(2000A);
◌ Short-time peak current of the distribution bus (vertical bus): 176kA;
◌ Protection level: IP30~IP54.
Usage Conditions
◌ Ambient air temperature not exceeding +40℃, not lower than -5℃, and the 24h average temperature not exceeding +35℃;
◌ Clean ambient air, relative humidity not exceeding 50% at the maximum temperature of +40℃, and higher relative humidity is allowed at lower temperatures, for example, 90% at +25℃, but moderate condensation may occur due to temperature changes;
◌ Indoor use, altitude not exceeding 2000m;
◌ In places without significant shaking and impact vibrations;
◌ Pollution level: Class 3;
◌ Seismic intensity: Level 8;
◌ Temperature during transportation and storage of the switchgear can range from -25℃ to 55℃, and for a short time (not exceeding 24h), the temperature can reach +70℃;
◌ If the above usage conditions cannot be met, the user and the manufacturer should negotiate a solution.
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Jiangxi Ganzhong Transformer Co., Ltd.
Address: No.2, Xingzhou Road, Xingan County, Ji'an City, Jiangxi Province
Telephone:0796-2805958
Email：2253761828@qq.com
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