Degree Of Protection - Siemens SIMOTICS S-1FK2 Operating Instructions Manual

Environmental parameter
j)
k)
l)
m)
n)
o)
p)
1)
2)
3)
4)
Note
Installation instructions
The motor is not suitable for operation
• In salt-laden or aggressive atmospheres
• Outdoors
• In a vacuum
• In hazardous areas with a danger of explosion
You will find additional data on the ambient conditions, such as for transport and storage of
the motor, in Chapter "Preparing for use (Page 37)".
3.1.3

Degree of protection

The planetary gearboxes and connected servomotors are designed according to EN 60034‑5
(IEC 60034‑5) and are available in various degrees of protection.
Planetary gearboxes for servomotors
Operating Instructions, 09/2023, A5E50494253B AC
Solar radiation
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
Conditions in mines are not considered.
A cooling system based on natural convection can be disturbed by unforeseen air movements.
The limit value of 89 kPa covers applications at altitudes up to 1000 m.
Description of the planetary gearbox
3.1 Technical characteristics and ambient conditions
Unit Value
W/m 2 700
- -
m/s 1.0
- Not permissible
- -
- See protection
class
- -
25