DS1043-103M
15
LBT8039
CONNECTION CABLES
For fire detection system it is suggested to use cables with cross-section area as shown in this following table, according
to distance between devices.
POWER SUPPLY OUTPUT LINE FOR AUXILIARY DEVICES
Line length
(sum of pos. and neg. wire length)
Wire cross-section area
5 m
1 mm
2
50 m
1.5 mm
2
150 m
2.5 mm
2
REFERENCE STANDARDS
EN 54-4:
Fire detection and signalling systems
– Power supply equipment.
EN60529 :
Case protection degree (IP Code).
EN60721-3-3 :
Environmental conditions
classification. Part 3.
URMET S.p.A.
– Via Bologna, 188/C
10154 Torino (TO)
– ITALY
09
DoP n. 1293-CPR-0523
EN54-4
Power supply equipment for fire detection
and fire alarm system for building
1293
09