XGN66-12 Box-Type Fixed Metal-enclosed Switchgear Cubiclesure

XGN66-12 Box-Type Fixed Metal-enclosed Switchgear Cubiclesure

XGN66-12type

• Specification
• Parameter

• XGN66-12 Box-Type Fixed Metal-enclosed Switchgear Cubiclesure

  XGN66-12 switchgear is suitable for single busbar systems with power levels from 3 to 12kv Three-phased AC-50 Hz to accept and distribution power. It is new generation small power equipment used in cities and rural areas. which is distingusished with festures as high grade, small volume, reasonble structure, safety and dependability, simple in running and operation, and accommodates to the demand of power market, reform of city and rural power grids and packaged Substations.

  Structure Description

  The switchgear is of box-type metal-enclosed fixed structure and the cubicle consists of profies and G profiles assembled by several connection pieces. It is divide into four compartments ,namely busbar compartment. CB compartment, metering compartment and cable compartment. The parts processing shall be made by CNC punching machine, CNC bending machine and sophisticated machines provided in CNC processing center, ensuring high precisopm of form, position and dimension, fast and accurate making, fiexible for combination of different options, which can meet different demands form customers.

  Main features

  1. The cubicle is of assembled structure ,no welding ,high mechanical strength and artistic apperance .
  2. The rear upper part is for GN30-12 rotarydisconnect switch and lower part for GN19-12C disconnect switch .The mechanical interlock device operated as per procedures can provide reliable safety protection for the operation personal and equipment .
  3. The main switch adopted is of monoblock type, options such as ZN63-12(VS1-12)and VD4-12
  4. Compulsory mechanical locking method is employed in the interlocks among main switches, disconnectors and cubicle door to meet the ‘five -proof ‘interlock function, enjoying random combination with ring main unit .

  Environmental Conditions

  1. Use the maximum temperature does not exceed 40 degrees, the minimum Not more than -25 degrees

  2. Relative humidity: daily average of not more than 95%, the monthly average of no more than 90% of the altitude does not exceed 1000m (over time can consult the manufacturer)

  3. No fire, explosion, heavy pollution, chemical corrosion and severe Shock sites.

   

• XGN66-12 Box-Type Fixed Metal-enclosed Switchgear Cubiclesure

  Item			Unit	Data
  Rate voltage			kV	12
  Rate frequency			Hz	50
  Rated main bus bar current			A	630, 1250, 1600, 2000, 2500, 3150
  Rated branching bus bar current			A	630, 1250, 1600, 2000, 2500, 3150
  Short-time withstand current(4S)			kV	20, 25, 31.5, 40
  Peak withstand current(peak.)			kV	50, 63, 80, 100
  Rated short drop out current			kV	20, 25, 31.5, 40
  Rated short circuit open and cut(Peak)			kV	50, 63, 80, 100
  Rated insulation level	1min power frequency withstand voltage	phase-phase, phase-ground	kV	25, 30, 42
  		breaker gap	kV	27, 34, 48
  Rated lighting impulse withstand voltage(Peak)		phase-phase, phase-ground	kV	40, 60, 75
  		breaker gap	kV	46, 70, 85

   

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