Rated maximum voltage Ur (kV):	15.5	Rated continuous current Ir (A):	630، 800
Rated lightning impulse withstand voltage Up (kV):	110	Power frequency insulation level withstand test voltage Ud (kV):	50
Rated symmetrical interrupting current Isc (kA):	12.5، 16	Rated asymmetrical making current (rms) (kA):	20، 25
Rated peak making current (kA):	32.5، 41	Mechanical life (OPS):	10.000
Permissible short-circuit operations (OPS):	up250	Ambient temperature range (oC):	-40+55
Rated maximum voltage Ur (kV):	27	Rated lightning impulse withstand voltage Up (kV):	125
Power frequency insulation level withstand test voltage Ud (kV):	60	Rated symmetrical interrupting current Isc (kA):	12.5
Rated asymmetrical making current (rms) (kA):	20	Rated peak making current (kA):	32.5
Rated lightning impulse withstand voltage Up (kV):	150	Power frequency insulation level withstand test voltage Ud (kV):	70
Rated maximum voltage Ur (kV):	38	Rated lightning impulse withstand voltage Up (kV):	170