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Important Notes
Danger
The terminal strip of the NRS 2-3 is live during operation. This presents the danger of
electric shock.
Cut off power supply before inserting or removing the 9" slide-in unit and before carrying
out any installation or maintenance work.
Usage for the intended purpose
Use level switch NRS 2-3 only in conjunction with GESTRA level transmitter NRGT 26- for pump
control.
Safety note
The equipment must only be installed and commissioned by qualified and adequately trained per-
sonnel.
Maintenance and retrofitting must only be performed by entrusted personnel who – through adequate
training – have achieved a recognised level of competence.
ATEX (Atmosphère Explosible)
The equipment constitutes a simple item of electrical equipment as defined in DIN EN 50020
section 5.4. According to the European Directive ATEX 94/9/EC the equipment may only be used in
potentially explosive atmospheres if it is provided with approved Zener barriers.
Application in Ex zones , 2 (999/92/EC). The equipment does not bear an Ex marking.
The suitability of the Zener barrier is certified in a separate document.
Attention
The name plate specifies the technical features of the equipment. Note that any piece of
equipment without its specific name plate must neither be commissioned nor operated.
