IP54 vs IP49K
Head-to-head comparison of two IEC 60529 ingress protection ratings.
IP54 and IP49K are both IEC 60529 ingress protection codes, but they differ in solid-object protection (level 5 vs 4) and liquid protection (level 4 vs 9K). IP54 is rated for dust-protected and splashing water (all directions), while IP49K provides > 1 mm — small wires and high-pressure, high-temp water jets.
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.
Built to withstand protection against solid objects larger than 1.0 mm and resistance to high-pressure (8–10 MPa), high-temperature (80 °C) water jets. Classified as IEC 60529 ingress protection code IP49K, it pairs solid level 4 with liquid level 9K.
Detailed comparison
The stronger rating on each row is highlighted in emerald.
Solid protection (first digit)
IP54
5 — Dust-Protected
IP49K
4 — > 1 mm — Small Wires
Liquid protection (second digit)
IP54
4 — Splashing Water (all directions)
IP49K
9 — High-Pressure, High-Temp Water Jets
Dust-tight
IP54
Limited
IP49K
No
Water-jet resistant
IP54
No
IP49K
Yes
Submersible
IP54
No
IP49K
Yes
Outdoor suitable
IP54
Yes
IP49K
Yes
The exact difference (IP54 vs IP49K)
Solid protection
IP54
Level 5 — Dust-Protected
IP49K
Level 4 — > 1 mm — Small Wires
IP54 provides "Dust-Protected" (level 5), while IP49K provides "> 1 mm — Small Wires" (level 4). IP54 is 1 level higher.
Liquid protection
IP54
Level 4 — Splashing Water (all directions)
IP49K
Level 9 — High-Pressure, High-Temp Water Jets
IP54 handles 50–100 kPa (Splashing Water (all directions)), while IP49K handles 8–10 MPa (High-Pressure, High-Temp Water Jets). IP49K provides 5 levels more liquid protection.
NEMA equivalents
No direct NEMA equivalent.
Recommendation
IP49K offers higher overall protection than IP54. Choose IP49K for harsher environments; IP54 may suffice for milder conditions and can be more cost-effective.