IP54 vs IP27
Head-to-head comparison of two IEC 60529 ingress protection ratings.
IP54 and IP27 are both IEC 60529 ingress protection codes, but they differ in solid-object protection (level 5 vs 2) and liquid protection (level 4 vs 7). IP54 is rated for dust-protected and splashing water (all directions), while IP27 provides > 12.5 mm — finger and temporary immersion (up to 1 m).
IP54 is dust-protected (limited ingress, no harmful deposit) and resists splashing water from any direction. A versatile rating for industrial and outdoor-covered equipment in dusty, damp environments.
The IP27 classification guarantees protection against solid objects larger than 12.5 mm and protection against the effects of temporary immersion in water. Ingress of water in quantities causing harmful effects shall not be possible.. It is an IEC 60529 ingress protection code combining first-digit (solid) level 2 with second-digit (liquid) level 7.
Detailed comparison
The stronger rating on each row is highlighted in emerald.
Solid protection (first digit)
IP54
5 — Dust-Protected
IP27
2 — > 12.5 mm — Finger
Liquid protection (second digit)
IP54
4 — Splashing Water (all directions)
IP27
7 — Temporary Immersion (up to 1 m)
Dust-tight
IP54
Limited
IP27
No
Water-jet resistant
IP54
No
IP27
Yes
Submersible
IP54
No
IP27
Yes
Outdoor suitable
IP54
Yes
IP27
Yes
The exact difference (IP54 vs IP27)
Solid protection
IP54
Level 5 — Dust-Protected
IP27
Level 2 — > 12.5 mm — Finger
IP54 provides "Dust-Protected" (level 5), while IP27 provides "> 12.5 mm — Finger" (level 2). IP54 is 3 levels higher.
Liquid protection
IP54
Level 4 — Splashing Water (all directions)
IP27
Level 7 — Temporary Immersion (up to 1 m)
IP54 handles 50–100 kPa (Splashing Water (all directions)), while IP27 handles Hydrostatic ~10 kPa at 1 m (Temporary Immersion (up to 1 m)). IP27 provides 3 levels more liquid protection.
NEMA equivalents
No direct NEMA equivalent.
Recommendation
IP54 and IP27 offer comparable overall protection; choose based on the specific protection dimension (dust vs. water) that matters most for your application.