Electrical, Emc, And Climatic Requirements; Electrical Protection And Safety Requirements - Siemens Siwarex U Device Manual

12BTECHNICAL DATA

13.10 Electrical, EMC, and climatic requirements

13.10.1 Electrical protection and safety requirements

Note:
The licenses that are currently valid for SIWAREX U are indicated on the SIWAREX U rating plate.
HAZ. LOC.
SIWAREX U meets the following requirements:
Requirements fulfilled
IP protection type
Air gaps and creepage
distances
13-76
Directives:
2004/108/EC "Electromagnetic compatibility"
94/9/EC "Explosion protection"
Note:
Further information on EC directives can be found in the product
documentation accompanying every SIWAREX U.
Underwriters Laboratories Inc. in accordance with
UL 508 (Industrial Control Equipment)
UA C22.2 No. 142 (Process Control Equipment)
UL 1604 (Hazardous Location)
UA-213 (Hazardous Location)
APPROVED for use in
Class I, Division 2, Group A, B, C, D Tx;
Class I, Zone 2, Group IIC Tx
Factory Mutual Research (FM) in accordance with
Approval Standard Class Number 3611, 3600, 3810
APPROVED for use in
Class I, Division 2, Group A, B, C, D T4;
Class I, Zone 2, Group IIC T4
Explosion protection in accordance with EN 60079-15: 2005 (Electrical
apparatus for potentially explosive atmospheres; Type of protection "n")
Class II 3 G EEx nA II T4
For the use of SIWAREX FTA in the Ex area the important information
in the manual "SIMATIC automation systems - Explosion protection
principles (Doc. no. A5E00206200)" must be observed!
Standards
IP 20 in accordance with
IEC 60529
IEC 60664
IEC 61010-1
IEC 61131-2
UL508
CSA C22.2 No142
Comments
• Protection against contact with
standard test fingers
• Protection against foreign matter
with diameters over 12.5 mm
• No protection against water
Betw. insulated circuits ≥ 0.5 mm
At terminals ≥ 3.2 mm
Excess voltage category II
Degree of contamination 2
Circuit board material IIIa/IIIb Rated
surge voltage: 0.5kV
SIWAREX U