unit-type AC metal closed ring switchgear RMU

General:

All technical performance indicators meet IEC62271-200:2011 and GB3906 standards. This product has the characteristics of small size, light weight, beautiful appearance, easy operation, long life, high parameters, no pollution, less maintenance and so on. HXGN15-12(SF6) type unit-type AC metal closed ring switchgear, suitable for AC 50Hz, 12kV power network, as the acceptance and distribution of electric energy

Service Environment

• Ambient temperature: upper limit +40℃, lower limit -25℃;

• Altitude: No more than 2000m above sea level;

• Relative temperature: the daily average is not more than 95%; The monthly average is not more than 90%;

• Surrounding environment: The surrounding air is not exposed to corrosive gases or flammable gases, water vapor, etc

• Show pollution.

• No frequent violent vibration.

Key Feature

• The busbar room is located at the top of the cabinet and is connected to the adjacent switchgear

• Independent load switch with SF6 gas inside

• 75% of the space is used for cable connections, fuses, ground switches and CT and PT installations

Technical Data

• Name	Unit	Data
  Rated voltage	kV	12
  Rated frequency	Hz	50
  Rated current of main bus/Maximum rated current of fuse	A	630/125
  Rated short-time withstand current of main circuit and ground circuit	kA/S	20/3
  Rated peak withstand current of main loop and ground loop	kA	50
  Rated short-circuit closing current of main circuit and ground circuit	kA	50
  Number of times the load switch is broken at full capacity	Times	100
  Fuse breaking current	kA	31.5、40
  Rated closed-loop breaking current	A	630
  Rated transfer current	A	1600
  Mechanical life	Times	2000
  1min power frequency withstand voltage (peak)to phase、to earth/between open contacts	kV	42/48
  Lightning impulse withstand voltage (peak))phase to phase、to earth/between open contacts	kV	75/85
  Secondary circuit 1min power frequency voltage	kV	2
  Class of protection		IP3X

Drawing