Further information for Siedle BTM 650-01 AG - BTM 650 01 AG bus key module anthracite gray 210004907 00
Bus call button module with nameplate pocket and 1 separate call button with bell symbol.
Inscription field (mm) W x H: 65 x 94
call button (mm) W x H: 24 x 49
IP 54
Ambient temperature: 20 ° C to +55 ° C
dimensions (mm) W x H x D: 99 x 99 x 27