Santerno SMART STRING BOX LT Guía Rápida página 3

Operating ambient
temperature
Operating ambient
humidity
Altitude
Installation site
Degree of protection
Degree of pollution
(IEC/EN 60721-3-4)

To allow for effective air circulation, make sure that there is enough free space around the equipment.
Front [mm]
700
PROHIBITION
PROHIBITION

The SMART STRING BOX LT products come with transparent polycarbonate protective panels ensuring
degree of protection IP20 in respect to dangerously live parts, even when the front cover of the string box
is open. The protective panels make it possible to visually inspect the box inside in relative safety once the
cover has been removed.

In particular, two polycarbonate panels are fitted, that can be removed separately:
o Polycarbonate panel protecting the terminals for the connection of the output cables. It can be
removed by loosening screws A and slightly folding the polycarbonate panel,
o Polycarbonate panel protecting other live parts. It can be removed by loosening nuts B.
-25 °C ÷ +45 °C
From 4% to 100%, from 0.9 g/m
(category 4K4H in compliance with EN 50178).
Up to 2000 m ASL. For higher altitudes, please contact Elettronica Santerno.
Do not install the equipment where it is exposed to direct sunlight or where it is
exposed to conductive dust, corrosive gases, vibrations, water spray or dripping.
Do not install in salty environments.
IP65
Class 4C2 for chemically active substances.
Class 4S3 for mechanically active substances.
Back [mm]
--
It is strictly forbidden to proceed with product handling and assembly operations in
adverse weather conditions, in snow, rain or persistent fog. Always check that there
is no water or condensate inside the product.
It is strictly prohibited to leave the product outside without its cover, in any kind of
weather conditions.
POLYCARBONATE PANELS
3 3
to 36 g/m , with no condensation or ice formation
Top [mm] Bottom [mm]
350
Side [mm]
450 120