Installation OBR40
Release 01 04/2013
5
Safety instructions
Certified usage
Only use the device for application cases that are described in the
Hirschmann product information, including this manual. Only operate the
device according to the technical specifications.
Supply voltage
Only connect a supply voltage as described in the data plate of your
device.
Ground the device before connecting the power supply.
Make sure that the electrical installation meets locally or nationally
applicable safety regulations.
For the supply voltage to be connected, make sure the following
requirements are met:
The power supply conforms to overvoltage category I or II.
The voltage supply has an easily accessible disconnecting device
(e.g. a switch or a plug). This disconnecting device is clearly
identified so that in the case of an emergency, it is clear which
disconnecting device belongs to which line.
The lines to be connected are voltage-free.
A fuse suitable for DC voltage is located in the plus conductor of the
power supply. A fuse is also located in the minus conductor, if this
is not grounded.
Regarding the properties of this fuse:
The cross-section of the functional earth connection is the same
size as or bigger than the cross-section of the voltage supply
cables.
The connection cables used are permitted for the specified
temperature range.
Relevant for North America:
The power supply lines are made up of copper wire (75 °C).
Summary of Contents for Hirschmann OBR40
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