IEC 60529 Protection Rating
IP66 Rating
IP66 provides level 6 protection against solids and level 6 protection against liquids, as defined by IEC 60529.
6First digit: Solid protection
Dust-tight. No ingress of dust
Test
Dust chamber, talcum powder
8 hours in dust chamber with pressure differential; no ingress whatsoever
6Second digit: Liquid protection
Protection against powerful water jets (12.5 mm nozzle) from any direction
Test method
12.5 mm nozzle at 3 meters distance
100 liters/min at 100 kPa for 3+ minutes
Common products rated IP66
- Washdown-rated enclosures
- marine lighting
- chemical plant junction boxes
How IP66 compares
| Rating | Solids | Liquids |
|---|---|---|
| IP65 | Dust-tight. No ingress of dust | Protection against water jets (6.3 mm nozzle) from any direction |
| IP66 | Dust-tight. No ingress of dust | Protection against powerful water jets (12.5 mm nozzle) from any direction |
| IP67 | Dust-tight. No ingress of dust | Protection against temporary immersion in water (up to 1 meter depth for 30 minutes) |
Validate IP ratings across your catalog
Rastro extracts IP ratings from datasheets, validates the format against IEC 60529, and writes clean structured attributes back into your product data.