TM 611-04, BTM 650-4 Call button module with Soffittenlampe illuminated, 4 call buttons

TM 611-04, BTM 650-4 GM Call button with bell symbol

TM 611-04, BTM 650-4 SM Call button with bell symbol

TM 611-04, BTM 650-4 TM Call button with bell symbol

TM 611-04, BTM 650-4 W Call button with bell symbol

TM 611-4 Terminal block

TM 611-4, BTM 650-4 GM Complete nameplate

TM 611-4, BTM 650-4 SM Complete nameplate

TM 611-4, BTM 650-4 TM Complete nameplate

TM 611-4, BTM 650-4 W Complete nameplate