500 HD-series 3366145/3-N set consists of a floating, round frame 3366145-N and non-lockable grating 3366033-N. The set is designed for Nordic conditions, in accordance with standard EN124-2:2015, manufactured from grey cast iron EN-GJL-200 and is classified under Load Class D400.

Grating can be opened using a magnet lifter CW1600.

The set assembly is compatible with DN500 mm telescope pipe.

Typical applications are public roads and parking areas.