IP19K vs IP63
Head-to-head comparison of two IEC 60529 ingress protection ratings.
IP19K and IP63 are both IEC 60529 ingress protection codes, but they differ in solid-object protection (level 1 vs 6) and liquid protection (level 9K vs 3). IP19K is rated for > 50 mm — back of hand and high-pressure, high-temp water jets, while IP63 provides dust-tight and spraying water (up to 60°).
Under IEC 60529, IP19K specifies protection against solid objects larger than 50 mm and resistance to high-pressure (8–10 MPa), high-temperature (80 °C) water jets. It is an IEC 60529 ingress protection code combining first-digit (solid) level 1 with second-digit (liquid) level 9K.
The IP63 classification guarantees dust-tight (no ingress of dust) and protection against spraying water. Water sprayed at an angle up to 60° on either side of the vertical shall have no harmful effects.. It is an IEC 60529 ingress protection code combining first-digit (solid) level 6 with second-digit (liquid) level 3.
Detailed comparison
The stronger rating on each row is highlighted in emerald.
Solid protection (first digit)
IP19K
1 — > 50 mm — Back of Hand
IP63
6 — Dust-Tight
Liquid protection (second digit)
IP19K
9 — High-Pressure, High-Temp Water Jets
IP63
3 — Spraying Water (up to 60°)
Dust-tight
IP19K
No
IP63
Yes
Water-jet resistant
IP19K
Yes
IP63
No
Submersible
IP19K
Yes
IP63
No
Outdoor suitable
IP19K
Yes
IP63
No
The exact difference (IP19K vs IP63)
Solid protection
IP19K
Level 1 — > 50 mm — Back of Hand
IP63
Level 6 — Dust-Tight
IP19K provides "> 50 mm — Back of Hand" (level 1), while IP63 provides "Dust-Tight" (level 6). IP63 is 5 levels higher.
Liquid protection
IP19K
Level 9 — High-Pressure, High-Temp Water Jets
IP63
Level 3 — Spraying Water (up to 60°)
IP19K handles 8–10 MPa (High-Pressure, High-Temp Water Jets), while IP63 handles 80 kPa (tube) / 50 kPa (nozzle) (Spraying Water (up to 60°)). IP19K provides 6 levels more liquid protection.
NEMA equivalents
No direct NEMA equivalent.
No direct NEMA equivalent.
Recommendation
IP19K offers higher overall protection than IP63. Choose IP19K for harsher environments; IP63 may suffice for milder conditions and can be more cost-effective.