Datasheet

11www.behnke-online.co.uk
Series 20 – Double Vertical
Application And
Performance Characteristics
@
Door telephones for the industrial
sector (e. g. office buildings,
authorities, etc).
@
On-wall or in-wall installation
possible.
@
Connection to the telephone
system.
@
Door opener function.
@
The normal telephone acts as
remote station. Entry control
optionally available via mobile
telephone, DTMF dialling.
@
Integration of other functions
possible (e. g. camera etc).
Dimensions
@
Total dimensions (H x B x D)
210 x 120 x 76 mm
@
Dimensions rear housing part
(H x B x D) 175 x 100 x 72 mm
@
Recommended cavity installation
dimensions
75 - 85 mm (including space for
cabling etc).
BT 20-401 Aluminium
BT 21-401 V2A Design
BT 25-401 Illuminated aluminium*
BT 26-401 Illuminated V2A Design*
* 20-9500 mains adapter required!
BT 20-442 Aluminium
BT 21-442 V2A Design
BT 25-442 Illuminated aluminium*
BT 26-442 Illuminated V2A Design*
* 20-9500 mains adapter required!
option option
DOUBLE VERTICAL
Series 20 – Double Vertical
BT 20-401
@
Housing for wall installation
= page 21
* 20-9500 mains adapter
Door Telephones
Series 20 – “Industrial Standard”
Door telephones Series 10
Door telephones Series 20
Door telephones Series 30
Industrial telephones
Emergency telephones
Elevator emergency call systems
Accessories Contents and
Introduction
Stainless steel columns
Do you have any queries?
Info Hotline:
+49 (0) 68 41 / 81 77-700
Do you have any queries?
Info Hotline:
+49 (0) 68 41 / 81 77-700