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Mns Low-Voltage Switchgear for Electric Power

Jul 13, 2017

Basic Info

  • Model NO.: MNS

  • Shell Material: Stainless Steel

  • Type: Power

  • Operation Voltage: Low Voltage

  • Application Range: Power Plants

  • Transport Package: Wooden Box

  • Origin: China

  • Certification: CCC, ISO9001:2000

  • Structure: Cabinet, Protection

  • Form: All- packaged Type

  • Size: 3 Uint

  • Shell Protection Grade: IP30

  • Specification: Max. Voltage: 400VAC

  • HS Code: 853720900


MNS low-voltage switchgear 

MNS low-voltage switchgear  


2 types: PC and MCC.
 
PC tank is divided into four every room: level busbar chamber, the function unit cell compartment, cable cell compartment, the control circuit cell compartment.

drawer-type MCC cabinet is divided into three cell compartment: level busbar chamber, the function unit cell compartment, cable cell compartment.

environmental conditions
1. Environmental temperature: 40 °C, and 24 hours closed to average no more than 35 °C, lower limit - 5 °C.
2. The height above sea level: no more than 1000 m above sea level.
3. Relative humidity: daily mean no more than 95% on average, no more than 90%.
4. Seismic intensity: no more than eight degrees.
5. Water vapor pressure: daily mean no more than 2.2 kPa, on average no more than 90%


 Technical parameters
nominal insulation voltage 660V(1000)V
rated operational voltage 380V,660V
Main bus-bar maximum working current
 
 5000A
Main bus-bar rated resistance current
 
 100KA/1S
Main bus-bar rated peak resistance current
 
 220KA/0.1S
Distribution bus (vertical bus 1000A

maximum operating current
 
Distribution bus (vertical bus)
 
standard form105KA(maximum)/0.1S
peak currentreinforced form176KA(maximum)/0.1S