Siemens SIWAREX WT241 Manual page 177

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