Alpha 604A standard system, 12-24 VDC;Remote Controller 100139 CH01-220 101007, Venyl Model Alpha 670B Model – 560A 100073 (Katalog no A500) Ersatz-Sender ALPHA 608A ALPHA 608A 230 VAC Alpha 4000 100086 390023 Alpha 604A 560 A ALPHA500R obsolete, replaced by ALPHA 604;