IP11 vs IP53
Head-to-head comparison of two IEC 60529 ingress protection ratings.
IP11 and IP53 are both IEC 60529 ingress protection codes, but they differ in solid-object protection (level 1 vs 5) and liquid protection (level 1 vs 3). IP11 is rated for > 50 mm — back of hand and vertically dripping water, while IP53 provides dust-protected and spraying water (up to 60°).
Engineered to deliver protection against solid objects larger than 50 mm and protection against vertically falling drops of water. Dripping water shall have no harmful effects.. Classified as IEC 60529 ingress protection code IP11, it pairs solid level 1 with liquid level 1.
Built to withstand dust-protected (limited ingress, no harmful deposit) and protection against spraying water. Water sprayed at an angle up to 60° on either side of the vertical shall have no harmful effects.. Classified as IEC 60529 ingress protection code IP53, it pairs solid level 5 with liquid level 3.
Detailed comparison
The stronger rating on each row is highlighted in emerald.
Solid protection (first digit)
IP11
1 — > 50 mm — Back of Hand
IP53
5 — Dust-Protected
Liquid protection (second digit)
IP11
1 — Vertically Dripping Water
IP53
3 — Spraying Water (up to 60°)
Dust-tight
IP11
No
IP53
Limited
Water-jet resistant
IP11
No
IP53
No
Submersible
IP11
No
IP53
No
Outdoor suitable
IP11
No
IP53
No
The exact difference (IP11 vs IP53)
Solid protection
IP11
Level 1 — > 50 mm — Back of Hand
IP53
Level 5 — Dust-Protected
IP11 provides "> 50 mm — Back of Hand" (level 1), while IP53 provides "Dust-Protected" (level 5). IP53 is 4 levels higher.
Liquid protection
IP11
Level 1 — Vertically Dripping Water
IP53
Level 3 — Spraying Water (up to 60°)
IP11 handles 0.1 mm/min drip rate (Vertically Dripping Water), while IP53 handles 80 kPa (tube) / 50 kPa (nozzle) (Spraying Water (up to 60°)). IP53 provides 2 levels more liquid protection.
NEMA equivalents
No direct NEMA equivalent.
Recommendation
IP53 offers higher overall protection than IP11. Choose IP53 for harsher environments; IP11 may suffice for milder conditions and can be more cost-effective.