LST 2251TEM Smoke Alarm User Manual


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2251TEM_DBL_LST_EN_0819.PDF • PAGE 2
ABuilding Safety. Building Security.
Specifi cations
Operating voltage Supply through loop voltage
Current consumption typ. 250µA (quiescent)
Alarm temperature 57°C (maximum-heat component)
Operating temperature max. +45°C
Ambient temperature -20°C to +60°C (no condensation or icing)
Relative humidity 10 – 93% (no condensation)
Dimensions ø × H 102 × 45 (mm)
Colour cream
Weight 115g
Approvals VdS G201041
At operation in thermal-only mode:
EN 54-5 Class A1R 57°C maximum and rate-of-rise activation
Room height max. 7.5m
Order number 241020
Order name Optical-Thermal Detector/Anal./200/SS 2251TEM
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