OLTC Type	CV & SV
Phase	3	1
Max. rated through current Lum up to (A)	500	700
Short circuit current test (kA) Thermal (3S) Dynamic (Peak)	7 17.5	10 25
Max. rated step voltage Uim(V)	1500	1500
Rated step capacity Pstn(kVA)	525	660
The highest voltage for equipment Um up to (KV)	72.5	72.5
Max. operation positions Without change-over selector With change-over selector	14 27	14 27