Hirschmann BAT54-F User Manual page 7

Relevant for North America: For use in Class 2 circuits.
The device may only be connected to a supply voltage of class 2 that
fulfills the requirements of the National Electrical Code, Table 11(b). If
the voltage is being supplied redundantly (two different voltage
sources), the combined supply voltages must fulfill the requirements of
the National Electrical Code, Table 11(b).
Shielding ground
The shield of the connectable twisted pair communication cables is
connected to the metal casing of the device as a conductor.
Beware of possible short circuits when connecting a cable section with
conductive shielding braiding.
Housing
Only technicians authorized by the manufacturer are permitted to open
the housing.
Make sure that the electrical installation meets local or nationally
applicable safety regulations.
Warning!
Never insert sharp objects (small screwdrivers, wires, etc.) into
the inside of the product. There is the risk of an electric shock.
BAT-F types:
A separate screw connector on the housing is provided for the functional
ground (FE). This is indicated by the functional ground symbol (
functional ground is electrically connected to the switching ground and the
metal housing of the device.
BAT-Rail types:
The lower panel of the device housing is grounded by means of the DIN
rail.
If installed in a living area or office environment, the device must be
operated exclusively in switch cabinets with fire protection
characteristics according to EN 60950-1.
Environment
The device may only be operated at the ambient temperature
(temperature of the ambient air at a distance of up to 5 cm (1.97 in) from
the device) and relative air humidity specified in the technical data.
BAT-F, BAT-Rail, BAT54, BAT300
Release 02 07/10
). The
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