GN2-12(Z) box-type fixed AC metal-enclosed switchgear (referred to as "switchgear") is suitable for three-phase AC single bus with rated voltage of 3.6-12kV,50Hz, rated current of 630A-3150A, double bus, single bus with bypass system, for acceptance and distribution of power. It can meet the use requirements of various types of power plants, substations and industrial and mining enterprises.
This product complies with the national standard GB3906 "3-35kv AC metal-enclosed switchgear", IEC298"AC metal-enclosed switchgear and control equipment", and DU/T402, DL/T404 standard, and meets the "five anti" lockout requirements.
Model and Meaning
The Main Technical Parameters
|3||Rated short circuit breaking current||kA||16,20.31.5, 40|
|4||Rated short-circuit closing current(peak)||kA||40,50,80.100|
|5||Rated withstand current (peak)||kA||40.50,80.100|
|6||Rated short-time withstand current||kA||16.20,31.5,40|
|7||Rated insulation level||1min power frequency withistand voltage||Between poles||kV||24、32、42|
|Lightning impulse withstand voltage||Between poles||kV||40、60、75|
|8||Rated short circuit duration||S||4|
|10||Main wiring type||Single bus segment and single bus with bypass|
|11||Operating mechanism||Electromagnetic,spring energy storage|
|12||Dimensions (W x D × H)||mm||1100 ×1200 x 2650 (general type)|
Main Circuit Plan