IP54 vs IP46
Head-to-head comparison of two IEC 60529 ingress protection ratings.
IP54 and IP46 are both IEC 60529 ingress protection codes, but they differ in solid-object protection (level 5 vs 4) and liquid protection (level 4 vs 6). IP54 is rated for dust-protected and splashing water (all directions), while IP46 provides > 1 mm — small wires and powerful water jets (12.5 mm nozzle).
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.
Specified under IEC 60529, IP46 denotes protection against solid objects larger than 1.0 mm and protection against powerful water jets. Water projected in powerful jets by a 12.5 mm nozzle against the enclosure from any direction shall have no harmful effects.. It is an IEC 60529 ingress protection code combining first-digit (solid) level 4 with second-digit (liquid) level 6.
Detailed comparison
The stronger rating on each row is highlighted in emerald.
Solid protection (first digit)
IP54
5 — Dust-Protected
IP46
4 — > 1 mm — Small Wires
Liquid protection (second digit)
IP54
4 — Splashing Water (all directions)
IP46
6 — Powerful Water Jets (12.5 mm nozzle)
Dust-tight
IP54
Limited
IP46
No
Water-jet resistant
IP54
No
IP46
Yes
Submersible
IP54
No
IP46
No
Outdoor suitable
IP54
Yes
IP46
Yes
The exact difference (IP54 vs IP46)
Solid protection
IP54
Level 5 — Dust-Protected
IP46
Level 4 — > 1 mm — Small Wires
IP54 provides "Dust-Protected" (level 5), while IP46 provides "> 1 mm — Small Wires" (level 4). IP54 is 1 level higher.
Liquid protection
IP54
Level 4 — Splashing Water (all directions)
IP46
Level 6 — Powerful Water Jets (12.5 mm nozzle)
IP54 handles 50–100 kPa (Splashing Water (all directions)), while IP46 handles 100 kPa (Powerful Water Jets (12.5 mm nozzle)). IP46 provides 2 levels more liquid protection.
NEMA equivalents
No direct NEMA equivalent.
Recommendation
IP46 offers higher overall protection than IP54. Choose IP46 for harsher environments; IP54 may suffice for milder conditions and can be more cost-effective.