Installation MSP30/32
Release
04
07/2014 7
The power supply cables used are permitted for the temperature
range required by the application case.
Relevant for North America:
The power cords are suitable for ambient air temperatures of at
least 167 °F (75 °C). The power cord wires are made of copper.
Start connecting the electrical wires only if all the above safety require-
ments are fulfilled.
Use undamaged parts.
Internal fuses are triggered solely in the case of a detected error in the
device. In case of damage or malfunction of the device, turn off the
working voltage and return the device to the plant for inspection.
Only switch on the operating voltage for the device when the following
requirements are fulfilled:
The housing is closed
The terminal blocks are wired correctly
The terminal blocks for the operating supply are connected
Note: The working voltage is connected to the chassis through protective
elements exclusively.
Installation site requirements
Verify that there is at least 4 in (10 cm) of space above and below the
device.
Verify that there is at least 0.8 in (2 cm) of space on the right and left
sides of the device.
Install the device at ambient temperatures greater than 113 °F (45 °C)
in “restricted access locations” based on EN 60950-1 exclusively.
Housing
Only technicians authorized by the manufacturer are permitted to open
the housing.
The switch basic module is an inseparable unit. The switch basic
module may be damaged by detachment of the display and connec-
tion part.
Keep the ventilation slits free to ensure good air circulation.
Make sure there is at least 3.94 inches (10 cm) of space in front of the
ventilation slits of the housing.
Never insert sharp objects (small screwdrivers, wires, etc.) into the
inside of the device.
Never insert sharp objects (small screwdrivers, wires, etc.) into the
connection terminals for the supply voltage or the signal contact, and
do not touch the terminals!
If you are operating the device in a living area or office environment,
only operate it in switch cabinets with fire protection characteristics in
accordance with EN 60950-1.