500-series Normal 3366033-N is rounded grating for floating, rounded frames (3366031-N) and (3366145-N) and squared frame (3366186-N)  The cover is designed for Nordic conditions, in accordance with standard EN 124-2:2015, manufactured from grey iron EN-GJL-200 and is classified under Load Class D400.

Cover can be opened using magnet lifter CW1600.

Typical applications are public roads, inners streets, car parks, pedestrian zones.