600-series round frame 3366167D-N. The frame is designed for Nordic conditions, in accordance with standard EN 124-2:2015, manufactured from ductile iron EN-GJS-500/7 and is classified under Load Class D400.

Frame is compatible with a round blind cover 3366077-N and aluminum dust plate 2005051.

Typical applications are data centers, military sites and others where extra safety is required.