Normen Europäischer Modelleisenbahnen
Normen Europäischer Modelleisenbahnen (NEM), or
European Standards for Modelling, are
standards for
rail transport modelling valid for constructing models of
European railways, issued by the
MOROP, the European federation of national model railway associations. Models of North American prototypes generally follow
NMRA standards instead.
The NEM standards guide manufacturers in creating compatible products and assist modellers in constructing model railway layouts that operate reliably. They include things like suggested gradients, turn radiuses, wheel profiles, coupling designs and
Digital Command Control.
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MOROP website including NEM standards