IP28 vs IP67
Head-to-head comparison of two IEC 60529 ingress protection ratings.
IP28 and IP67 are both IEC 60529 ingress protection codes, but they differ in solid-object protection (level 2 vs 6) and liquid protection (level 8 vs 7). IP28 is rated for > 12.5 mm — finger and continuous immersion (manufacturer-specified), while IP67 provides dust-tight and temporary immersion (up to 1 m).
Specified under IEC 60529, IP28 denotes protection against solid objects larger than 12.5 mm and protection against the effects of continuous immersion in water under conditions specified by the manufacturer.. It is an IEC 60529 ingress protection code combining first-digit (solid) level 2 with second-digit (liquid) level 8.
IP67 is dust-tight and withstands temporary immersion in water up to 1 meter for 30 minutes. The go-to rating for outdoor and rugged devices that may be briefly submerged.
Detailed comparison
The stronger rating on each row is highlighted in emerald.
Solid protection (first digit)
IP28
2 — > 12.5 mm — Finger
IP67
6 — Dust-Tight
Liquid protection (second digit)
IP28
8 — Continuous Immersion (manufacturer-specified)
IP67
7 — Temporary Immersion (up to 1 m)
Dust-tight
IP28
No
IP67
Yes
Water-jet resistant
IP28
Yes
IP67
Yes
Submersible
IP28
Yes
IP67
Yes
Outdoor suitable
IP28
Yes
IP67
Yes
The exact difference (IP28 vs IP67)
Solid protection
IP28
Level 2 — > 12.5 mm — Finger
IP67
Level 6 — Dust-Tight
IP28 provides "> 12.5 mm — Finger" (level 2), while IP67 provides "Dust-Tight" (level 6). IP67 is 4 levels higher.
Liquid protection
IP28
Level 8 — Continuous Immersion (manufacturer-specified)
IP67
Level 7 — Temporary Immersion (up to 1 m)
IP28 handles Specified by manufacturer (Continuous Immersion (manufacturer-specified)), while IP67 handles Hydrostatic ~10 kPa at 1 m (Temporary Immersion (up to 1 m)). IP28 provides 1 level more liquid protection.
NEMA equivalents
No direct NEMA equivalent.
Recommendation
IP67 offers higher overall protection than IP28. Choose IP67 for harsher environments; IP28 may suffice for milder conditions and can be more cost-effective.