Information On Insulation, Protection Class, Degree Of Protection And Rated Voltage - Siemens simatic ET 200SP User Manual

Technical data

10.5 Information on insulation, protection class, degree of protection and rated voltage

10.5 Information on insulation, protection class, degree of protection and
rated voltage
Insulation
The insulation is designed according to the requirements of EN 61131-2: 2007.
Note
For modules with 24 V DC supply voltage, the electrical isolation is designed for max. 60 V
AC/75 V DC and basic insulation is designed according to EN 61131-2: 2007.
Pollution degree/overvoltage category according to IEC 61131
● Pollution degree 2
● Overvoltage category: II
Protection class according to IEC 61131-2:2007
The CPU 1515SP PC meets protection class I and includes parts of protection classes II and
III.
The grounding of the mounting rail must meet the requirements for functional earth FE.
The installation location (e.g. enclosure, control cabinet) must have a protective conductor
connection that meets the standard to maintain protection class I.
Degree of protection IP20
Degree of protection IP20 according to IEC 60529, i.e.:
● Protection against contact with standard probe
● Protection against foreign objects with diameters in excess of 12.5 mm
● No protection against water
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CPU 1515SP PC
Manual, 12/2014, A5E32701806-AA