GESTRA Level Switch NRS 1-50

Directives and Standards Pressure Equipment Directive (PED) 2014/68/EU Water level limiters are safety accessories as defined in the Pressure Equipment Directive (PED). The level switch NRS 1-50 in conjunction with level electrode NRG 1…-50 and NRG 16-36 is EU type approved according to EN 12952/EN 12953. These Directives state, among other things, the requirements made on limiting systems and equipment for steam boiler plants and (pressurised) hotwater installations. Functional Safety acc. to IEC 61508 The level switch NRS 1-50 is certified acc. to IEC 61508 only if used in combination with level electrode NRG 1…-50. This Directive describes the functional safety of safety-related electrical/electronic/programmable electronic systems.