Specifications; Technical Data For Ooh740 - Siemens OOH740 Technical Manual

Automatic fire detectors
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8 Specifications

8.1 Technical data for OOH740

Detector line
Line separator
Building Technologies
Fire Safety
Unless otherwise mentioned, the following data applies:
Temperature
= 25 °C
Air pressure
= 1000 hPa (750 Torr)
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:
Document A6V10284161
Addressed detector line (C-NET)
Operating voltage (modulated)
Operating current (quiescent)
Maximum current connection factor
Quiescent current connection factor
Address connection factor
Separator connector factor
Protocol
Compatibility
Line voltage:
Nominal
Minimum
Maximum
Voltage at which the line separator opens:
Minimum
Maximum
Permanent current when switches are closed
Switching current (e.g., in the event of a short-
circuit)
Leakage current when switches are open
Serial impedance when switches are closed
When operated on the C-NET, the line separator is closed via an actuation signal from the control
panel. Required line voltage: DC 12...33 V (normal range)
Specifications
Technical data for OOH740
DC 12...33 V
Typ. 170...250 µA
1
1
1
1
C-NET or collective (automatic detection)
See 'List of compatibility'
DC 32 V (= V
)
nom
DC 12 V (= V
)
min
DC 33 V (= V
)
max
DC 7.5 V (= V
)
SO min
DC 10.5 V (= V
)
SO max
Max. 1.5 A (= I
)
C max
Max. 2 A (= I
)
S max
Max. 1 mA (= I
)
L max
Max. 0.4 Ω (= Z
)
C max
A6V10305793_m_en_--
8
99 | 108
2016-02-15

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