Basic technical parameters of NEX switchgears

Name of parameter	Unit of measurement	Value
Rated voltage	kV	6	10
Maximum operating voltage	kV	7.2	12
Power frequency withstand voltage 50 Hz during 1 min	kV	32	42
Pulse value 1.2/50 mks	kV	60	75
Thermal resistance current	kА/3 s	25 31,5
Electrodynamical resistance current	kА	62,5 81
Busbars rated current	A	1250 2500
Main circuits rated current	A	630 1250 2500
Internal arc resistance (option)
IAC-AFLR	kA/0.5 s	25