11
Installation
CT3MA makes available the following connections:
Power supply terminals
Input terminals
Output terminals
External battery terminals
Chronostat interface terminals
SIM card slot
Power supply
CT3MA receives power supply from terminals A and B, on
the bottom left of the container.
Power supply voltage shall be between 10 and 20 Vac/
Vdc.
Use N70A power supply unit or another with similar
characteristics.
The cable shall not be longer than 3 m.
Protection for polarity inversion
CT3MA can be powered indifferently with alternate cur-
rent or direct current, regardless of the polarity.
Fuses
If external protections are installed, set 1.5 A rapid fuse
on the power supply unit line.