Eaton EMT62 - Abbreviations and Symbols; Hazard Warnings of Material Damages; Hazard Warnings of Personal Injury; Tips

0 About this manual
0.3 Abbreviations and symbols
36 EMT6 10/16 MN03407006Z-DE/EN www.eaton.com
0.3 Abbreviations and symbols
The following acronyms and symbols are used throughout this manual:
▶ Indicates instructions to be followed.
0.3.1 Hazard warnings of material damages
0.3.2 Hazard warnings of personal injury
0.3.3 Tips
DEKRA EXAM Accredited certification authority for devices operated in Ex e areas.
Ex e Type of protection “Increased Safety”
FIT Failure in Time - number of dangerous failures in 10
9
hours
HFT Hardware-Fault-Tolerance
MTTF
d
Mean Time To Dangerous Failure
PL Performance Level
PTC Positive temperature coefficient thermistor
(temperature-sensitive resistor with a positive temperature coefficient)
SIL
Safety Integrity Level
TNF Rated threshold temperature
NOTICE
Warns about the possibility of material damage.

CAUTION
Warns of the possibility of hazardous situations that may
possibly cause slight injury.

WARNING
Warns of the possibility of hazardous situations that could result
in serious injury or even death.

DANGER
Warns of hazardous situations that result in serious injury or
death.
￫
Indicates useful tips.