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shenzhen  langyi power equipment co,ltd,.
shenzhen langyi power equipment co,ltd,.
Main Products :power equipment , distribution cabinet, distribution box, electrical cabinet,electrical equipment supplies, electrical products and accessories, electrical accessories
shenzhen langyi power equipment co,ltd,.
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Street Address :A1 Building ,Yuanling Industiral Park, Shiyan Twon , Baoan District,shenzhen

City :ShenZhen

Province :guandong

Country/Region :China (Mainland)

Business Type : Manufacturer

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Home > Products > MNS-type low-voltage switch cabinet

MNS-type low-voltage switch cabinet

MNS-type low-voltage switch cabinet

Detailed Information:

Product Name:

MNS-type low-voltage switch cabinet

Maker/Manufacture/Company:

kellyxia56

Product Category:

power

Place of origin:

in/from china


Detailed Product Description

Our company produced the WMNS type low-voltage switch cabinet which takes foreign advanced technology and with the world's advanced level modular,  low voltage switchgear suit for power plants, petrochemical, metallurgy, high-rise apartment, telecom, textile, commercial centers, airports and other high reliability of the occasion, as the power distribution in power supply system, motor centralized control. Without reactive power compensation in low voltage distribution equipment.
■ Selection and configuration
In general, unit selection and configuration of an electric switching equipment that begin from the following aspects:
● Cabinet choices:
1. The materials have cold rolled steel or angle iron (for welding cabinet, low cost, high strength, general-purpose type); deposited aluminum zinc steel or galvanized steel (used to assemble the cabinet); stainless steel plate (non-conducting magnetic); aluminum ((permeability); SMC composite unsaturated materials etc..
2. Installation types: indoor and outdoor.
● The cabinet's main electrical components brand choice:
1. High price: ABB, Schneider, United States AB, Mitsubishi, Siemens, Omron, Muller, Weidmuller, Phoenix, Hager, Legrand, etc.
2. Moderately price: Changshu, the Long March, China through Shanghai Wuchang, Shihlin, refinement and so on.
3. Low price: Tengen, Chint, West Germany, the people's electrical Watertown, Taian, river, etc.
● Cabinet auxiliary components
 Copper busbar connections, aluminum row connection, wires connections.
■ General Data
● Applications: distribution, motor control;
● Implementation of the standards: of IEC60439, GB7251.1;
● Ambient temperature: -5 ºC ~ 40 ºC ;
● Temperature conditions: the environment is relatively temperature 40 ºC does not exceed 50% at lower temperatures, allowing a higher relative humidity (such as: 20ºC to 90%);
● Installation Location: Indoor;
● Altitude: ≤ 2000m.
■ Mechanical data
● Inlet and outlet forms: cable / busbar (bridge);
● Inlet and outlet: top / bottom;
● Connection mode:  Front cabinet / After cabinet;
● Protection class: IP30, IP40, IP54;
● Functional unit isolation forms: isolation and partial isolation.
■ Cabinet size
● Height: 2200;
● Width: 600,800,900,1000,1200;
● Depth: 600,800,1000,1200;
● Finish: High pressure Epoxy powder coating;
● Cabinet color: according to user requirements.
■ Electrical Data
● Rated insulation voltage: to 1000V;
● Rated voltage: to 660V;
● Rated frequency: 50/60Hz;
● Rated impulse withstand voltage: 8KV;
● Rated voltage of auxiliary circuit: AC380 220V/DC220V,;
● Overvoltage category: III;
● Pollution degree: 3;
● Rated current: 4000A;
● Horizontal busbar rated current: 4000A;
● Vertical busbar rated current: 2000,4000 A.
■ The level bus
● Rated short time withstand current: 50/80KA;
● Rated peak withstand current: 105/176KA.
■ Vertical Bus
● Rated short time withstand current: 50KA;
● Rated peak withstand current: 105KA.
■ Ground systems: TT, the IT, TN-S, TN-CS.
■ Maximum inlet and outlet circuit breaker: 4000A.
■ Performance characteristics:
● Compact, saving cabinet volume;
● Cabinet body can be back to back arrangement;
● The power distribution circuit layout is economy;
● Full selection of standard components to facilitate the engineering to design;
● A full range of standardized;
● Cabinet body can be accord to the different requirements of the work and the environment to design the appropriate level of protection;
● Can be freely combined in one cabinet into different forms, such as fixed and withdrawable;
● With the anti-arc design;
● To meet the requirements of the cabinet anti-earthquake, anti-oscillation and impact requirements;
● Equipment upgrades and improvement is convenience;
● Cabinet to do the utmost maintenance-free;
● Equipment with high operation continuity and reliability;
● The personal safety of operator is protected

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