TFS-Dialog 303

Stainless steel door phone system designed for a/b interfaces – it is not only its design that shines

Features & technical data

Everything you need to know about our products comes now. Scroll down for more information.

TFS-Functions

  • 3 doorbell buttons, optionally usable as light key

Connections

Base

Max

Interface, supply connection

Analogue subscriber port / extension of the PBX

Dial mode

Tone dialling

Technical data

Base

Max

Power supply via analogue extension port (PBX)

16 – 60 V DC

Power supply via doorbell transformer (optional for outputs and LED lighting)

8 – 18 V AC, 35 – 40 mA 

Power consumption for LED lighting (doorbell transformer)

35 – 40 mA

Loop power, depending on operation mode

< 1 mA / 20 – 60 mA

Temperature range

-20 °C – +50 °C

Maximum load door opener

18 V AC / 40 V DC, 2 A

Maximum load doorbell and lighting output

18 V AC / 40 V DC, 0,5 A

Loudspeaker

Ø 50 mm

Housing material

stainless steel (V2A; 1.4301), 2 mm

Housing electronic unit

plastic

Mounting plate material

stainless steel (V2A; 1.4301), 2 mm

Dimensions (w x h)

136 mm x 227 mm

Distances between the fixing holes

193 mm

Installation depth

39 mm

Dimensions (w x h x d)

136 mm x 227 mm x 39 mm (electronics)

Dimensions flush-mounted box (w x h x d)

118 mm x 202 mm x 45 mm

Weight

Approx. 685 g

Protection

IP 22 (when installed)

Compliance

CE

Delivery Scope

  • Stainless steel door phone TFS-Dialog 301/302/303/304
  • Flush-mounted box
  • Mounting material (dowel, screws)
  • Connection and user manual

Datasheet download

Download

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