GESTRA NRG 26-21 - Directives and Standards; VdtüV Bulletin Wasserstand 100 (= Water Level 100); ATEX (Atmosphère Explosible); Ul;Cul (CSA) Approval

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Directives and standards
VdTÜV Bulletin "Wasserstand 100" (= Water Level 100)
The level electrode NRG 26-21 in conjunction with the following level switches / controllers is type
approved according to VdTÜV Bulletin "Wasserstand (= Water Level) 100": NRS 2-50, NRS 2-51,
NRR 2-50, NRR 2-51, NRR 2-52 and NRR 2-53 or NRS 2-1, NRR 2-1, NRR 2-2 and NRT 2-1.
The VdTÜV Bulletin "Wasserstand (=Water Level) 100" specifies the requirements made on water level
control and limiting equipment for boilers.
ATEX (Atmosphère Explosible)
According to the European Directive 2014/34/EU the equipment must not be used in explosion risk
areas.
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.
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 and Declaration of Manufacturer are available in the Internet under
www.gestra.com
documents or can be requested from us.