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

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

15.5 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.
Note
For modules with 24 VDC supply voltage, the electrical isolation is designed for max.
60 VAC / 75 VDC and basic insulation is designed according to EN 61131-2: 2007.
Contamination level/overvoltage category according to IEC 61131-2: 2007
● Pollution degree 2
● Overvoltage category: II
Protection class in accordance with IEC 61131-2: 2007
Protection class I or III, depending on module type
Degree of protection IP20
Degree of protection IP20 in accordance with IEC 60529 for all modules of the S7-1500
automation 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
S7-1500 Automation System
System Manual, 01/2013, A5E03461182-01
Technical specifications
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