- use and working conditions of xgn2-12 box type AC metal closed switch cabinet used to 3.6~12kV three-phase AC 50Hz, single bus and single busbar with bypass or double bus system as the acceptance and distribution of electric energy use, installed in the indoor places.

Main technical parameters

Item unit parameter

1 rated voltage 3.6,7.2,12 kV

2 rated current A 5.3000

3 rated short circuit breaking current 16,20315,40 kA/4S

4 rated short-circuit current (peak) 50,63,80 kA

5 power frequency withstand voltage (interphase, relative / fracture) 42/48 kV/1min

6 lightning impulse withstand voltage (interphase, relative / fracture) 75/85 kV

Two 7 power frequency withstand voltage kV/1min 2