Degree Of Protection - Siemens SIMOTICS L-1FN3 Operating Instructions Manual

Naturally ventilated linear motors
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Description
3.1 Technical features and ambient conditions
Ambient parameter
k)
l)
m)
n)
o)
p)
1)
2)
Conditions in mines are not considered.
A cooling system based on natural convection can be disturbed by unforeseen air movements.
3)
The limit value of 78.4 KPa covers altitudes up to 2000 m.
4)
Additional ambient conditions applicable for the motors for stationary use at weather-
protected locations according to standard DIN IEC 60721‑3‑3 include.
Mechanically active ambient conditions
Mechanical ambient conditions
Note
Installation instructions
The motors are not suitable for operation
• In salt-laden or corrosive atmospheres
• Outdoors
You can find additional data on the environmental conditions, such as ambient temperatures
or conditions for transport and storage of the motors, in the relevant chapters of this
documentation.
3.1.6

Degree of protection

NOTICE
Damage to the motor caused by pollution
If the area where the motor is installed is polluted and dirty, then the motor can malfunction
and clog up.
• Keep the area where the motor is installed free of all dirt and pollution.
36
Thermal radiation
Air movement
3)
Condensation
Wind-driven precipitation
(rain, snow, hail, etc.)
Water (other than rain)
Formation of ice
Averaged over a period of 5 min
Unit
-
m/s
-
-
-
-
Class 3S1
Class 3M3
Naturally-Cooled 1FN3 Linear Motors
Operating Instructions, 06/2023, A5E52220465B AB
Value
-
1.0
Not permissible
-
See degree of
protection
-

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