7.5 Information On Insulation Tests, Protection Class And Degree Of Protection - Siemens SIMATIC HMI Series Operating Instructions Manual

7.5 Information on insulation tests, protection class and degree of
protection
Insulation test
The insulation resistance is verified by type testing with the following test voltages:
Circuit
Rated voltage U
Degree of pollution and overvoltage category
The device meets the following requirements according to IEC 61010-2-201:
Degree of pollution
Overvoltage category
Protection class
Protection class III according to IEC 61010-2-201.
For built-in devices with optional AC power supply unit, the protection class of the AC power
supply unit applies.
Protection against foreign objects and water built-in units
The device meets the requirements of IEC 60529 and UL50.
Device side
Front
Rear panel
The front protection rating can only be guaranteed if the mounting seal lies flush against the
mounting cutout. Read the corresponding information in section
"Preparing the mounting cutout (Page 40)".
IFP V2, IFP V2 PRO
Operating Instructions, 08/2019, A5E46641410-AA

7.5 Information on insulation tests, protection class and degree of protection

Insulation tested with (type test)
24 V 707 V DC to other circuits / to ground
e
2
II
Degree of protection
When mounted:
IP65 according to IEC 60529
•
Enclosure Type 4X/Type 12 (indoor use only, front face only) according to UL50
•
IP20
Protection against contact with standard test probes. There is no protection against
the ingress of water, dust and noxious gas.
Technical information
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