R4 Ex-protected spiral fin heaters, or fin radiators, are very study without thermostat or protective grille. The heaters are intended for heating ATEX environments, gas (G), zone 1 or 2.
- Enclosure rating IP66.
- Ex rating: ExII2G Ex db eb IIC T3.
- Mounting position: Catalogue models horizontal.
- Temperature adjustment/control possible with separate Ex thermostat