OLTC Type															A TYPE				B TYPE	C TYPE
															WDG	WLG	WSG		WDG	WSG
Phase															1	2	3		1	3
Max. rated through current Lum up to (A)															2000	2000	1000		2000	1600
Short circuit current test (kA) Thermal (3S) Dynamic (Peak)															20 50	20 50	12 30		20 50	16 40
The highest voltage for equipment Um up to (KV)															126	126	126		252	126
Max. operation positions Without change-over selector With change-over selector															2,5,7	2,5,7	5,7		5	7
Connection															Linear, single-bridging double-bridging, reversing star-delta, series-parallel				Liner single- bridging	reversing
Operation mode															manual operation on top or at side, motor driving at side