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LEGRAND 3440 - Page 220

LEGRAND 3440
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3479
Description
This device allows to repeat various types of alarms by means of a relay voltage-free
contacts, depending on its configuration.
It can be activated by a technical alarm interface, or by another signal through the
auxiliary channel (AUX).
Normally used for the control of gas/water safety solenoid valves, or third party devices
(telephone diallers, optical notifications, etc.).
The internal relay is in positive safety; this means that, in case of tampering, it switches
over the contacts. By modifying the configuration, it is possible to change the safety
mode of the internal relay.
Legend
1. Clamp for burglar alarm BUS
2. Configurator socket
3. LED indicating activated relay.
4. Relay contact
5. Tamper line
Technical data
Power supply from SCS BUS: 27 Vdc
Max. absorption: 20 mA
Contact output: 24 V 1 A cosφ 0.4
Operating temperature: 5 – 40 °C
Configuration
The relay actuator requires the allocation of the progressive number within the group of
auxiliary devices (relay actuator and auxiliary channels interface) installed within the
system, of the auxiliary channel number, and the operating modes.
This configurator assigns the progressive number inside the auxiliary unit.
Configurator 1 identifies the first auxiliary, configurator 2 identifies the second and so
on for a maximum of 9 auxiliaries.
AUX and MOD
In combination the configurators in the AUX and MOD sockets assign the operating
mode on the basis of the following table.
Congurators Description
It activates by... It resets by...
AUX
MOD
none none Repetition of the siren alarm
Siren activation Silencing
none 1 System fault notication
Activators red LED notification
none
2
System status notication
Activation Deactivation
Technical alarm interfaces: 3841 and F483
Related items
Opertating mode
Relay actuator
MQ00483-b-EN 22/04/2014