Siemens SIWAREX WT241 - Page 177

Technical specifications
12.2 Electrical, EMC and climatic requirements
SIWAREX WT241
Manual, 05/2015, A5E36046748A 177
Table 12- 13 Requirements: Interference immunity in industrial area in accordance with EN 61000-6-2
Comments
Standard
Severity class
Burst pulses on power supply ca-
bles
EN 61000-4-4
 2 kV
 Per polarity 1 min.
Electrostatic discharge (ESD)
EN 61000-4-2
 4 kV direct/indirect
 ≥ 10 discharges pos/neg
 ≥ 1 s repeat time
Electrostatic air discharge (ESD)
EN 61000-4-2
 8 kV direkt/indirekt
 ≥ 10 Entladungen pos/neg
 all sensitive spots
Surge on power supply cables
EN 61000-4-5
 1 kV, symmetrical
 2 kV, asymmetrical
 1.2/50 µs (8/20) µs pos./neg.
 Internal generator resistance: 2 Ω
HF irradiation amplitude modulated
IEC61000-4-3
 80 to 2 000 MHz: 10 V/m
 2 …2,7 GHz: 3 V/m
 Mod.: 80% AM with 1 kHz
HF voltage on data, signal and
power supply cables
0.15 to 80 MHz
IEC 61000-4-6
 10 kHz to 80 MHz: 10 Veff,
 Mod.: 80% AM with 1 kHz
Ambient conditions
Table 12- 14 Operating conditions in accordance with IEC 60721
Mode
IEC60721-3-3
 Class 3M3, 3K3, stationary use, weather-
proofed
Storage/transport
IEC 60721-3-2
class 2K4 without precipitation
Table 12- 15 Climatic requirements
Comments
Ambient conditions
Application areas
Operating temperature:
vertical installation
-0 ... +40 °C
Storage and transport temperature
- 20 ... +60 °C
Relative humidity
5 ... 95 %
No condensation; corre-
sponds to relative humidity
(RH) stress level 2 to DIN
IEC 61131-2