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MNS Low Voltage Electrical Control Power Distribution Switch Gear

MNS Low Voltage Electrical Control Power Distribution Switch Gear

1. Mode: MNS Low-voltage Switchgear
2. Operation place:Indoor
3. Rated Operational Voltage:690V three-phase AC,750V DC, Rated Current: maximum to 6300A, Rated Impulse Withstand Voltage∪imp:8KV, Rated Peak Withstand Current: maximum to 250KA
4. Custom switchgear can be provided.
5. Certificates: Test report, 3C certification

Description

China High-Quality Custom MNS Low Voltage Electrical Control Power Distribution Switch Gear/Switchboard/Panel/Cabinets

1.  General

The frames of MNS low voltage electrical control power distribution switchgear are highly flexible. There is no need of repair after installation. Different standard components can be installed in the switch gears to meet various kinds of applicable requirements. the Combined design is used in the entire systems including electric ap structure, this optimized structure design can meet different components’ demands and adapt to the different working environment and reach corresponding protection level.

Both the design and material of  MNS switchgear can minimize the occurrence of fault arc. Once it occurs, it can be extinguished in a short time. 

MNS electrical control cabinet meets the requirements of Appendix AA in IEC298, it passes the fault arc measurement of an independent testing organization, as well as the type test. During the test, there is no effect on adjacent extracting type components after fault arc occurrence. After arc extinction, drawer-type components still have operational functions after cleaning up: The positions of the components with mechanical interlock will not change and even when it is at disconnecting position, there are no fault arc marks on switchgear surface.

There is no CFC or halogen contained in plastic material used in MNS system. This kind of plastic material has flame-retardant and self-extinguishing characteristics. Compare with a traditional product, the innovative MNS LV switchgear has more advantages.

2. Main Electric Parameters

Busbar

Rated Voltage

Rated Current

Rated   Insulation Voltage∪1

1000V three-phase AC,1500V DC

Rated   Operational Voltage∪2

690V three-phase AC,750V DC

Rated   Current

To   6300A

Rated   Impulse Withstand Voltage∪imp

8KV

Rated Peak Withstand Current

To   250KA

Rated   Short-time Withstand Current

To   100KA

Branch   Bus

Overvoltage Level

Rated   Current

To   2500A

Pollution Level

3

Rated   Peak Withstand Current

To   110KA

Rated Frequency

50-60HZ

Rated   Short-time Withstand Current

To   65KA

3. Operation conditions

1.  Ambient temperature: should be more than -5℃ and less than 40℃. The average temperature in 24 hours should be less than 35℃.

2.  Humidity: air should be clear. The relative humidity when highest temperature is 40℃ should be less than 50% and higher relative humidity is allowed when the temperature is a little bit low. For example, when the temperature is 20℃, humidity can be 90%. Dewing will be happened occasionally due to the change in temperature.

3. When the temperature is between -25℃and 55℃, transportation and storage can be proceeded.

4. The altitude should be less than 2000m.

5. Earthquake seismic degree should be less than 8.

6. Pollution degree: three

Note:1. if choose some element which cannot meet the above requirements, user and manufacturer can coordinate. 2. When the operating conditions are not in accordance with the above conditions, the user can point it out to manufacturer and coordinate.

4. Ordering Instructions

Orderers should provide the following technical documents:

  • Single line diagram of primary main wiring scheme and main busbar mode and specification.

  • Secondary schematic diagram and terminal layout. If there is no terminal layout, arrange by the manufacturer.

  • Secondary mini busbar arrangement drawing and relative section view.

  • If busbar bridge is needed (between switchgear or between switchgear and wall), spacing and height (size) should be provided.

  • Electrical equipment summary table.

  • If there are special requirements (regional requirements or special operation conditions), put forward when ordered.

  • If need more spare parts and accessories, provide mode and amount. 

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