National safety regulations
Failure to comply with national safety regulations may result in personal injury and property
damage.
● Observe national provisions and comply with the appropriate safety regulations.
Mounting position and ambient temperature
The devices can be snapped onto standard rails or screwed onto a flat surface.
Plug-in screw terminals connect power and interfaces (except for Ethernet).
Ambient temperature -5...50 °C (23...122 °F)
Ambient temperature -5...45 °C (23...113 °F)
● Wall, horizontal
– From left to right
– From right to left
● Overhead
● Wall, vertically
– From top to bottom
– From bottom to top
● On a horizontal surface
Risk of overheating for failure to comply with ambient temperature
Burning and damage to the device
● Ensure sufficient ventilation to comply with the permissible ambient temperature within
the panel or installation box. The temperature must be at least 10 K (18° F) lower
outside the installation box.
Electric shock
Incorrect installation of the device may lead to electric shock injuries when touching the
device!
● Install the device in a lockable cabinet or use terminal covers.
● Do not install the device in locations where children are likely to be present.
● Conductors with a cross-section of 0.5 mm2 (AWG24) or greater shall comply with the
requirements of IEC 60332-1-2 and IEC 60332-1-3 or IEC TS 60695-11-21.
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