Stahl YL5IS Series, Operating Instructions Manual, Page: 3 / 19

252163 / YL560300010
2016-04-20·BA00·III·en·00
Explanation of the symbols
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Intrinsically Safe Combination Signal -
105 dB (A) / LED Beacon
Series YL5IS
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1.2 Information regarding the operating instructions
ID-No.: 252163 / YL560300010
Publication Code: 2016-04-20·BA00·III·en·00
The original instructions are the English edition.
They are legally binding in all legal affairs.
1.3 Further documents
• Data sheet
For documents in further languages, see www.stahl-ex.com.
1.4 Conformity with standards and regulations
See certificates and EC Declaration of Conformity: www.stahl-ex.com.
The device has IECEx approval. See IECEx homepage: http://iecex.iec.ch/
2 Explanation of the symbols
2.1 Symbols in these operating instructions
2.2 Warning notes
Warnings must be observed under all circumstances, in order to minimize the risk due to
construction and operation. The warning notes have the following structure:
• Signalling word: DANGER, WARNING, CAUTION, NOTICE
• Type and source of danger/damage
• Consequences of danger
• Taking countermeasures to avoid the danger or damage
Symbol Meaning
Tips and recommendations on the use of the device
General danger
Danger due to explosive atmosphere
Danger due to energised parts