Information On Insulation Tests, Protection Class, Degree Of Protection And Rated Voltage - Siemens SIMATIC S7-1500 System Manual

Technical specifications

15.6 Information on insulation tests, protection class, degree of protection and rated voltage

15.6 Information on insulation tests, protection class, degree of protection
and rated voltage
Insulation
The insulation is designed in accordance with the requirements of EN 61131-2: 2007.
Not e
Galvanic isolation with 707 V DC (Type Test) is tested for modules with 24 V DC supply
voltage (SELV/PELV).
Pollution degree/overvoltage c ategory according to IEC 61131-2: 2007
● Pollution degree 2
● Overvoltage category: II
Protection c lass according to IEC 61131-2: 2007
The S7-1500 automation system/ET 200MP distributed I/O system meets protection class I
and contains parts of protection classes II and III.
Degree of protection IP20
Degree of protection IP20 in accordance with IEC 60529 for all modules of the S7-1500
automation system/ET 200MP distributed I/O system, i.e.:
● Protection against contact with standard test finger
● Protection against foreign objects with diameters in excess of 12.5 mm
● No protection against water
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Automation system
System Manual, 09/2016, A5E03461182-AD