Usage: Megastar's phase- and chopper modules, braking chopper and LRU's polarity changer bridge. This pulse amplifier must be used with ABB's GTO's.
Replaces also the pulse amplifier SADT 41 PA (57893206) except in chopper modules with measuring boards SADT 20 MEP, SADT 21 MEN, SADT 20 MEPF or SADT 21 MENF.