GESTRA NRS 1-51, Руководство по установке

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ATEX (Atmosphère Explosible)
According to the European Directive 2014/34/EU the level switch NRS 1-51 must not be used in
potentially explosive areas.
Note
The level electrodes NRG 1...-51, NRG 1...-12 are simple items of electrical equipment as
specified in EN 60079-11 section 5.7. According to the European Directive 2014/34/EU the
equipment must be equipped with approved Zener barriers if used in potentially explosive
areas. Applicable in Ex zones 1, 2 (1999/92/EC).
The equipment does not bear an Ex marking.
Note that the requirements of the IEC 61508 are not met if the NRG 1...-51,
NRG 1...-12 + Zener ba NRS 1-51 are interconnected!
Note on the Declaration of Conformity / Declaration by the Manufacturer
For details on the conformity of our equipment according to the European Directives see our
Declaration of Conformity or our Declaration of Manufacturer.
The current Declaration of Conformity / Declaration of Manufacturer are available in the Internet under
www.gestra.de Documents or can be requested from us.
Directives and Standards
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UL/cUL (CSA) Approval
The equipment meets the requirements of Directives: UL 508 and CSA C22.2 No. 14-13, Standards for
Industrial Control Equipment. File E243189.