Siemens OOH740-A9-Ex - Specifications; General Technical Data

8
Specifications
Technical data for OOH740
-
A9
-
Ex
62
Building Technologies A6V10367521_h_en_--
Fire Safety 2015-02-02
8 Specifications
8.1 Technical data for OOH740-A9-Ex
8.1.1 General (irrespective of the detector line)
Device labeling
IECEx Scheme: Ex ia IIC T4 Ga, Ta = -35…70 °C
Directive 94/9/EC:
(ATEX Directive)
II 1 G Ex ia IIC T4 Ga, Ta = -35…70 °C
Ex-related connection
data, intrinsically safe
U
i
28 V
I
i
100 mA
P
i
700 mW
L
i
Negligible
C
i
0,2 nF
Operating current (quiescent) 200…280 µA
Line to external alarm
indicator
U
0
14.2 V
I
0
480 mA
P
0
195 mW
L
0
100 µH
C
0
38 nF
Only for connecting passive, external alarm indicators to negligibly small
inductivities and capacities.
You will find an explanation of the symbols in the chapter 'Technical terms,
abbreviations, and formula symbols [➙ 12]'.
You will find information on approvals, CE marking, and the relevant EU directives
for this device (these devices) in the following document(s); see 'Applicable
documents' chapter:
l Document A6V10371417
Device characteristics Response sensitivity (typ.) 3…12 %/m (depending on the parameter set)
Compensation speed ≤1/45 voltage increase for detection/h
Temperature range in 'Technical Ambient
Supervision Message' mode
-20…+70 °C