Abbreviations And Symbols; Hazard Warnings Of Material Damages; Hazard Warnings Of Personal Injury; Tips - Eaton EMT62 Manual

0 About this manual

0.3 Abbreviations and symbols

0.3 Abbreviations and symbols

0.3.1 Hazard warnings of material damages

0.3.2 Hazard warnings of personal injury

0.3.3 Tips

36
The following acronyms and symbols are used throughout this manual:
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
HFT Hardware-Fault-Tolerance
MTTF Mean Time To Dangerous Failure
d
PL Performance Level
PTC Positive temperature coefficient thermistor
(temperature-sensitive resistor with a positive temperature coefficient)
SIL Safety Integrity Level
TNF Rated threshold temperature
▶ Indicates instructions to be followed.
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.
EMT6 10/16 MN03407006Z-DE/EN www.eaton.com
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hours