IP27 vs IP54
Head-to-head comparison of two IEC 60529 ingress protection ratings.
IP27 and IP54 are both IEC 60529 ingress protection codes, but they differ in solid-object protection (level 2 vs 5) and liquid protection (level 7 vs 4). IP27 is rated for > 12.5 mm — finger and temporary immersion (up to 1 m), while IP54 provides dust-protected and splashing water (all directions).
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.
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.
Detailed comparison
The stronger rating on each row is highlighted in emerald.
Solid protection (first digit)
IP27
2 — > 12.5 mm — Finger
IP54
5 — Dust-Protected
Liquid protection (second digit)
IP27
7 — Temporary Immersion (up to 1 m)
IP54
4 — Splashing Water (all directions)
Dust-tight
IP27
No
IP54
Limited
Water-jet resistant
IP27
Yes
IP54
No
Submersible
IP27
Yes
IP54
No
Outdoor suitable
IP27
Yes
IP54
Yes
The exact difference (IP27 vs IP54)
Solid protection
IP27
Level 2 — > 12.5 mm — Finger
IP54
Level 5 — Dust-Protected
IP27 provides "> 12.5 mm — Finger" (level 2), while IP54 provides "Dust-Protected" (level 5). IP54 is 3 levels higher.
Liquid protection
IP27
Level 7 — Temporary Immersion (up to 1 m)
IP54
Level 4 — Splashing Water (all directions)
IP27 handles Hydrostatic ~10 kPa at 1 m (Temporary Immersion (up to 1 m)), while IP54 handles 50–100 kPa (Splashing Water (all directions)). IP27 provides 3 levels more liquid protection.
NEMA equivalents
No direct NEMA equivalent.
Recommendation
IP27 and IP54 offer comparable overall protection; choose based on the specific protection dimension (dust vs. water) that matters most for your application.