Technical specifications 
  9.2 Other configurations for IOT2050 
SIMATIC IOT2050 
Operating Instructions, 03/2024, A5E39456816-AF 
103 
Powerful single pulse (surge) according to IEC 61000-
4-5 
Asymmetric coupling (line to ground) 
± 1 kV supply line 
± 2 kV signal line, > 30 m 
Symmetrical coupling (line to line) 
± 0.5 kV supply line 
± 1 kV signal line, > 30 m 
 
 
Radiation disturbances according to IEC 61000-4-3   80% amplitude modulation at 1 kHz  
• on 10 V/m in the range of 80 MHz to 1 GHz  
• on 3 V/m in the range of 1.4 GHz to 6 GHz  
Conducted disturbances according to IEC 61000-4-6   Test voltage 10 V at 80% amplitude modulation of 1 kHz in the 
range from 150 kHz to 80 MHz  
If there are voltage peaks on power supply lines, use a protective device in the form of a 
varistor (MOV) UMOV = U-rated x 1.2 (BLITZDUCTOR BVT AVD 24 (918 422) or compatible). 
9.2.3  Ambient conditions 
Climatic ambient conditions 
The temperature values have been checked in accordance with IEC 60068-2-1, IEC 60068-2-2 
and IEC 60068-2-14. Permitted mounting positions, see section "Permitted mounting 
positions and mounting types (Page 22)“. 
 
•  Operation 
DIN Rail mounting 
•  Vertical: 0 to 50 °C * 
•  Horizontal: 0 to 40 °C * 
Wall mounting 
•  Vertical: 0 to 45 °C * 
•  Horizontal: 0 to 40 °C * 
•  Storage/transport 
-20 to 70 °C 
•  Operation 
Max. 10 °C/h 
•  Storage 
Relative humidity, tested in accordance with IEC 60068-2-78, IEC 60068-2-30 
•  Operation 
5 to 95% at 30°C, no condensation 
•  Storage/transport 
5 to 95 % at 25/55 °C, no condensation 
Atmospheric pressure, Altitude 
•  Operation 
1080 to 795 hPa, corresponds to an elevation of -1000 m to 2000 m 
•  Storage/transport 
1080 to 660 hPa, corresponds to an elevation of -1000 to 3500 m