Siemens SIMATIC PANEL PC 877 Instructions d'exploitation Page 179

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Appendix
A.1 Certificates and guidelines
SIMATIC Panel PC 577
Operating Instructions, Release 04/2006, A5E00798484-01
A-7
A.1.4 Electrostatic charging of individuals
Anyone who is not connected to the electrical potential of their surroundings can be
electrostatically charged.
The figure below shows the maximum electrostatic voltages that can accumulate in a person
who is operating equipment when he/she comes into contact with the materials indicated.
These values comply with the specifications of IEC 801–2.
Figure A-1 Electrostatic voltages with which an operator can be charged.
1 Voltage in kV
2 Synthetic materials
3 Wool
4 Antistatic material such as wood or concrete
5 Relative humidity in %
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