Product Description Siemens model PX52-11890 Rev. G1 (YWA3154*B) Circuit Board Assembly. Joined with PX52-12070 B1 (YWA3759) and PX52-12071 B1 (YWA3760) Sensor I/F circuit boards. Used. We also have an assembly that is model PX52-11890 Rev. D1 (YWA3154*A).
