Information On Insulation Tests, Protection Class And Degree Of Protection - Siemens SIMATIC KTP400 Basic Operating Instructions Manual

8.5 Information on insulation tests, protection class and degree of
protection
Test voltages
Insulation strength is demonstrated in the type test with the following test voltages in
accordance with IEC 61131-2:
Circuits with a nominal voltage of U
circuits or ground
< 50 V
Protection class
Protection Class I in accordance with IEC 60536, i.e. PE/ground terminal to profile rail
required!
Protection against foreign objects and water
Degree of protection in accordance
with IEC 60529
Front
Rear panel
The degree of protection at the front can only be guaranteed if the mounting seal is installed
flush to the mounting cut-out. Read the corresponding information in section "Making the
mounting cut-out".
See also
Making the mounting cut-out (Page 25)
KTP400 Basic, KTP600 Basic, KTP1000 Basic, TP1500 Basic
Operating Instructions, 08/2008, A5E01075587-01

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

to other
e
Explanation
When mounted:
IP65
•
Enclosure Type 4X/Type 12 (indoor use only)
•
IP20
Touch protection test with standard test probes. There is no
protection against ingress by water.
Technical specifications
Test voltage
500 VDC
85