ISO-Panzer

Berker ISO-Panzer IP44 / IP66 is a splash-protected surface-mounted range for extreme ambient conditions, fabricated using special materials.

for use in difficult conditions (e.g. building sites),and the toughest stress
housing material highly resistant to chemicals
non-corrosive
signalling effect: the yellow control elements make the surface-mounted units stand out against the background even in areas with limited visibility