Appendix
A.3 Labels and symbols
A.3.2
Safety
Symbol
Meaning
Warning, observe the documentation supplied
Caution, radio equipment
Pull out the power plug before opening
Caution ESD (components sensitive to electrostat-
ic charge)
A.3.3
Operator controls
Symbol
Meaning
ON/OFF switch, without electrical isolation
ON/OFF pushbutton, without electrical isola-
tion
A.3.4
Certificates, approvals and labels
You will find all available certificates, approvals and labels in the Siemens Industry Online
Support (https://support.industry.siemens.com/cs/ww/en/ps/cert).
86
Symbol
Meaning
Lock is closed
Lock is open
Hole for the Kensington lock
Warning, hot surface
Symbol
Meaning
Ejecting CD/DVD
7KN POWERCENTER 3000
Manual, 10/2019, L1V30579222003-01