IP-Symbols
dustproof-classifications
IP 5x
protected against dust, slight penetration of dust possible
IP 6x
dust proof, no penetration of dust
waterproof-classifications
IP x3
protected against spray water (max. 60° to the vertical)
IP x4
protected against splash water coming from all directions
IP x7
protected against penetration of water during temporary immersion
depth: 1 meter/39 inch (lower edge of product), duration: 30 minutes
The products were classified according to the guidelines by DIN VDE 0470-1 and EN 60529 (published by TÜV Rheinland, Germany)