OLTC Type	WSL		WDL
Phase	3		1
Max. rated through current Lum up to (A)	4000		6000
Short circuit current test (kA) Thermal (3S) Dynamic (Peak)	40 100		60 150
The highest voltage for equipment Um up to (Kv)	363		363
Max. operation positions	11		11
Connection	Linear, single-bridging double-bridging, reversing star-delta, series-parallel
Operation mode	hand wheel on top manual driving mechanism at side motor driving mechanism at side