Document UT-MT-0699
Page 8 di 27
Edition 12/02/2019
Supersedes edition
26/07/2016
LED LUMINOUS GUIDANCE SIGN LIGS01
INSTRUCTION MANUAL FOR USE, INSTALLATION AND MAINTENANCE
3.2.2
Voltage power Supply
The light signs are powered with voltage 230V / 50Hz, through transformers 230V-37V / 50Hz, of
the following minimum size (
NOTE: THE TRANSFORMER IS NOT PART OF THE SIGN AND IS NOT
PROVIDED BY OCEM Airfield Technology)
The minimum rating of the transformers 230V-37V / 50Hz are:
SIGN MODULES
1
2
3
4
TRANSFORMER
RATING [VA]
60
110
160
220
Table 1 – Rating of the transformers 230V/37V-50Hz
The Power absorbed by each sign is (input 37V):
SIGN MODULES
1
2
3
4
ABSORBED POWER
[W]
29
57
85
113
Table 2 – Power absorbed by the signs (37V input)
The maximum input current to the signs (input 37V) and to the relative transformer (input 230V)
are:
SIGN MODULES
1
2
3
4
MAXIMUM CURRENT
Input signs [Arms]
1.6
4.1
4.7
6.2
MAXIMUM CURRENT
Input transofrmer [Arms]
0.4
0.7
1.0
1.4
Table 3 – Input current to the signs (37V) and relative transformer (230V)
