Samson 4747, Mounting And Operating Instructions

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8 EB 4747 EN
Safety instructions and measures
1.1 Notes on possible severe personal injury
DANGER !
Risk of fatal injury due to the formation of an explosive atmosphere.
Incorrect installation, operation or maintenance of the limit switch in potentially explo -
sive atmospheres may lead to ignition of the atmosphere and ultimately to death, even
with a harmless supply voltage.
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For mounting and electrical installation in hazardous areas, observe the explosion
protection approvals as well as the relevant electrotechnical regulations and the ac-
cident prevention regulations that apply in the country of use. EN 60079-14 applies
in Europe.
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Do not connect the electrical supply before mounting is completed.
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Installation, operation or maintenance of the limit switch must only be performed by
personnel with qualifications according to Clause 4.5 of IEC 60079-14 who has un -
dergone special training or instructions or who is authorized to work on explo -
sion-protected devices in hazardous areas.
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Do not open devices with flameproof enclosures while they are energized.
Risk of fatal injury as a result of electrostatic discharge at the device.
An electric spark generated by electrostatic discharge may lead to ignition of a poten-
tially explosive atmosphere and cause fatal injuries.
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In hazardous areas (with type of protection Ex t), mount the device in such a way
that electrostatic charging cannot take place.