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Bosch FAS-420-TT Addressable Aspirating Smoke Detector with Smoke Level Display, 1 or 2 Pipe Systems (TT1, TT2)
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Bosch FAS-420-TT Addressable Aspirating Smoke Detector with Smoke Level Display, 1 or 2 Pipe Systems (TT1, TT2)

FAS-420-TT1 and TT2AspiratingSmoke level displayAddressable LSN improvedCPR and VdS

An analog addressable aspirating smoke detector with a differentiated alarm and smoke level display, for one pipe system (FAS-420-TT1) or two pipe systems (FAS-420-TT2).

  • Differentiated alarm and smoke level display
  • One or two pipe systems; detector modules with 0.5, 0.1 or 0.015 %/m sensitivity ordered separately
  • Airflow monitoring down to single holes detects blocked or broken pipes
  • Automatic initialisation; suction-reducing film sheets simplify pipe planning
  • Two integrated isolators; operating voltage 15 to 33 volts DC
  • Bosch lists CPR, VdS, VKF, CB and CMIM certificates

Standards and approvals: CB, CMIM, CPR, VKF, VdS

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Download the official Bosch catalogue (PDF, 9.2 MB)

Specifications

Specifications
SpecificationFAS-420-TT1FAS-420-TT2
Weight (g)15001500
Operating voltage (VDC)15 to 3315 to 33
Operating temperature (°C)-20 to 60-20 to 60
Dimensions (H x W x D) (mm)292 x 200 x 113292 x 200 x 113
Inrush current (mA)400400
Auxiliary current (mA)290 to 305330 to 360
Operating relative humidity, non-condensing (%)10 to 9510 to 95
LSN current consumption (mA)6.256.25
LED colorRed; Yellow; GreenRed; Yellow; Green
MaterialPlasticPlastic
LED indicationMulti-colorMulti-color

Specifications as published by Bosch. Please confirm the exact model with us before ordering.

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