MLS Low Voltage Withdrawble Switchgear

MLS Low Voltage Withdrawble Switchgear

Introduction:

 

MLS low voltage withdrawable type switchgear consists of power distribution cabinet (PC) and motor control center (MCC) two units. This product can be applied on 660 V, AC 50 Hz distribution system for electric energy transfer, distribution and control. Technical specifications can fulfill the requirements of IEC60439《Low-Voltage Switchgear and Controlgear Assemblies》& GB7251.1-2005《Low-Voltage Switchgear and Controlgear Assemblies》.

 

Normal Operation Condition:

 
  1. Ambient temperatute:-5 ℃~+40 ℃. 24hours average temperature should be less than +35 ℃.
  2. Altitude under sea level 2000 m.
    Relative humidity below 50 % (monthly average value and base on 40 ℃).
  3. Not surrounded by corrosion or flammable gas, vapor.
  4. Not frequently happen to severe vibration.
  5. Any condition which deviates from the above items can be considered by further discussion.

Main technical data:

 
Item
Unit
Specification
Rated Voltage
V
380
Rated Insulation Level
V
660
Rated Current
Horizontal Bus
A
630-6300 A
Vertical Bus
A
800-2000
Rated Short Time Current (4s)
Horizontal Bus
kA
80
Vertical Bus
kA
35, 50
Rated Peak Withstand Current
Horizontal Bus
kA
176
Vertical Bus
kA
63, 105
Enclosure Protection Degree
  
IP40

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