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Safety information
2.4 Measures
2.4
Measures
For safety reasons, the following precautions must be observed:
Type of protection "pressure-resistant encapsulation"
Devices with "pressure-resistant encapsulation" protection may only be opened when the
power has been disconnected.
"Intrinsically safe" protection type
"Intrinsically-safe" devices lose their certification as soon as they are operated on circuits
which do not correspond with the test certification valid in your country.
Type of protection "increased safety "e""
Devices with the "increased safety "e"" type of protection must not produce sparks or
electric arcs during operation under normal conditions. Electrical equipment and parts must
not exceed a rated voltage of 11 kV.
Protection type "energy-limited" nL (zone 2)
Devices with the "energy-limited" type of protection may be connected and disconnected
while in operation.
Protection type "non-sparking" nA (zone 2)
Devices with the "non-sparking" type of protection may only be connected and
disconnected when the power is disconnected.
Use in environments with aggressive and dangerous media
The device can be operated both at high pressure and with aggressive and dangerous
media. Therefore, improper use of this device may lead to serious injury and or
considerable damage to property. Above all, it must be noted when the device has been in
use and needs to be replaced.
Electrostatic sensitive devices
This device contains electrostatic sensitive devices. ESD devices can be destroyed by
voltages well below the threshold of human perception. These static voltages develop when
you touch a component or electrical connection of a device without having discharged the
static charges present on your body. The damage to a module as a result of overvoltage
cannot usually be detected immediately. It may only become apparent after a long period of
operation.
10
WARNING
WARNING
CAUTION
Wall-mount enclosure 6DL2804-0xxxx
Hardware Installation Manual, 08/2009, A5E00378691N-02
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