MS20/MS30
Release
2.0
02/06 5
UHousing
Only technicians authorized by Hirschmann are permitted to open the
housing.
The lower covering panel of the MICE housing is grounded by the DIN
rail and, as an option, by the separate ground screw.
The switch basic module forms an inseparable unity. By removing the
display and connecting parts, you risk the damage of the switch basic
module.
VMake sure that the electrical installation meets local or nationally ap-
plicable safety regulations.
VThe ventilation slits must not be covered to ensure free air circulation.
VThe distance to the ventilation slots of the housing has to be a mini-
mum of 10 cm.
VNever insert pointed objects (thin screwdrivers, wires, etc.) into the in-
side of the subrack! Failure to observe this point may result in injuries
caused by electric shocks.
VThe device has to be mounted in an upright position (see Fig. 13).
VIf installed in a living area or office environment, the device must be
operated exclusively in switch cabinets with fire protection characteri-
stics according to EN 60950.
UEnvironment
The device may only be operated in the listed maximum surrounding air
temperature range at the listed relative air humidity range (non-conden-
sing).
VThe installation location is to be selected so as to ensure compliance
with the climatic limits listed in the Technical Data.
VTo be used in a Pollution Degree listed in the Technical Data.
UQualification requirements for personnel
Qualified personnel as understood in this manual and the warning signs,
are persons who are familiar with the setup, assembly, startup, and ope-
ration of this product and are appropriately qualified for their job. This
includes, for example, those persons who have been:
Dtrained or directed or authorized to switch on and off, to ground and to
labelpowercircuitsand devices or systems in accordancewithcurrent
safety engineering standards;
Dtrainedor directed inthe care and use ofappropriate safetyequipment
in accordance with the current standards of safety engineering;
Dtrained in providing first aid.
