Technical data
12.2 Electrical, EMC and climatic requirements
SIWAREX WP321
110 Manual, 07/2014, A5E33715669A-02
Electrical, EMC and climatic requirements
Electrical protection and safety requirements
Safety regulations IEC 61010-1
IEC 61131-2; UL 508
CSA C22.2 No.142
IEC 61010-2-201
FM3611
Protection class IEC 61140 Module is operated with protective extra-
low voltage.
The protective conductor connection
serves only a functional earth to dissi-
pate interference currents
IP degree of protection IP 20 to IEC 60529
• Protection against contact with
standard probe
• Protection against solid bodies with
diameters in excess of 12.5mm
• No special protection against water
Air gaps and creepage
distances
IEC 60664
IEC 61131-2
IEC 61010-1
UL 508
CSA C22.2 No. 145
EN 50156-1
• Overvoltage category II
• Pollution degree 2
Isolation stability IEC 61131-2
CSA C22.2, No. 142
UL508
Test voltage: 500 V AC or 707 V DC
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