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Building Safety. Building Security.
Description
Specifi cations
The  Intrinsically  Safe  Ionisation  Smoke  Detector 
1151EIS  was  developed  for  the  safe  detection  of  a 
wide range of smoke aerosols. The modern design of 
the ionisation chamber allows to reliably evaluate the 
characteristics of fi re.
Conventional technology is used for alarm  transmission 
to the fi re detection control panel. In conjunction with 
the  Safety  Barrier  ES58-2,  the  detector  reaches  the 
 given Ex classifi cation. The two LEDs with 360°  visibility 
indicate the activated condition of the detector.
A detector function test can be conveniently conducted 
using a magnet or test gas. The detector can be at-
tached to various bases and it can be protected against 
theft.
•  Conventional technology
•   Up to 20 detectors can be connected 
to one safety barrier
•  Extremely fl at design
•  Function testable with magnet
•   ATEX certifi ed
Ignition protection 
intrinsically safe
Ex classifi cation 
EEx ia IIB T5
Current consumption at 24V 
typ. 40µA (quiescent)
Ambient temperature 
0°C to +50°C
Relative humidity 
10 – 93% (no condensation)
Radioactive compound 
Am241, 0.5µCi (18.5kBq)
Dimensions ø × H 
103 × 42 (mm)
Colour 
cream
Weight 
104g
Approval 
BASEEFA03ATEX0156X
 
VdS G296051
Order number 
240015
Order name 
IS Ionisation Smoke Detector/Conv./100/SS 1151EIS