LEGRAND 3440 - N4640

286
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1,20
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12
10
8
6
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2
m
C
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30°
30°
105°
A
A
A
B
B
B
A
B
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B
A
1
2
35
60
23
N4640
N4640B
Description
The passive IR detector is of volumetric type and sensible to movement of warm bodies.
The volume of the protected zone is divided into 14 beams distributed on 3 levels. The
detector works in two dierent ways: instantaneous or with impulse calculation, in order
to reduce the possibility of false alarms.
It’s available in the version with reduced sizes and is suitable for wall mounted
installation in systems preset or not preset for traditional sensors. For the sensor item
N4640 the covering range can be adjusted on three levels (3, 6, or 9 metres), while the
sensor item N4640B has a xed sensitivity level (6 metres).
Legend
1 - Alarm warning LED;
2 - Fresnel lens.
Technical data
- Power supply from SCS BUS: 27 Vdc
- Max. absorption: 4.5 mA
- Operating temperature: 5 – 40°C
Dimensional data
Covering range
Front view
Surface
mounted
Slanting
installation
Passive IR detector
MQ00038-d-EN 04/06/2014