Samlex EVO Series Manual

38 | SAMLEX AMERICA INC.
It is mandatory to use appropriately sized external fuse in the battery and External Charger
Circuits. If external fuse is not used and reverse polarity connection is made by oversight, the input
section of the unit will be damaged/burnt. Warranty will be voided in such a situation.
Il est obligatoire d’utiliser un fusible externe de taille appropriée à la batterie et les circuits chargeur externe . Si le fusible
externe est pas utilisé et les inversions de polarité est faite par la surveillance , la section d’entrée de l’unité est endom-
magée / brûlé . La garantie sera annulée dans une telle situation .
3.5.5 DC Input Connection for Battery
Battery is connected to terminals 1, 2 shown in Fig 3.8. The terminal consists of M10 Stud &
Nut. Tightening torque for the nut is 70 kgf.cm (5 lbf.ft). Sizes of cables and fuses are shown
in Table 3.1. Sizing is based on safety considerations specied in UL-1741 and NEC-2014. See
details under “Notes for Table 3.1”.
3.5.6 DC Input Connection for External Charger
External charger is connected to terminals consisting of M12 Stud with Thumb Nut (3, 4 in Fig.
5.3).
- Max current fed through these terminals should be < 50A
- Use wire size given in Table 3.1.
- Tightening torque for the Thumb Nut is 35 kgf.cm (2.5 lbf.ft)
- Use 70A fuse in series with the Positive wire to protect against short circuit along the length
of the connecting wires.
Fuse should be close to the Positive Input Terminal 3.
SECTION 3 | Installation