MT339-I
Rev.0.3 08/04/2022
9 - 25
Document classified as: 2 - Company Confidential
4.2
External power supply (MODUS version T)
EXPLOSION RISK
: the installation of the remote power supply must be carried out in accordance with
the requirements contained in the
MT342-I M-POWER
User Manual. Never use models other than the
one provided.
It is
NOT
allowed to use the external power supply and a battery pack other than
BU-BP
at the
same time.
MODUS
is powered by an external device, the
M-POWER
.
The remote power supply is available both for solar panel source (
PP
version) and for mains power
supply with 12Vdc output (
INS
version).
Both versions are available in the version for DIN rail or wall installation.
To ensure continuity of service in case of interruption of the primary power source, a backup battery
must be considered, the capacity of which must be determined according to the requirements of the
specific use case. The backup battery ensures full system functionality during a power failure.
It is possible to use as a secondary backup an optional lithium battery (BU-BP) capable of keeping only
the conversion function active in case of the main battery failure
It is
NOT
allowed to simultaneously use the external power supply and a battery pack other than
BU-
BP.
The sizing of the mains power supply, the solar panel controller and the backup batteries must be
carried out considering the requirements of the specific application.
Figure 4: M-POWER wall version
Figure 3: M-POWER DIN rail version