IP50 vs IP59K
Head-to-head comparison of two IEC 60529 ingress protection ratings.
IP50 and IP59K are both IEC 60529 ingress protection codes, but they differ in liquid protection (level 0 vs 9K). IP50 is rated for dust-protected and no protection, while IP59K provides dust-protected and high-pressure, high-temp water jets.
Under IEC 60529, IP50 specifies dust-protected (limited ingress, no harmful deposit) and no protection against water. It is an IEC 60529 ingress protection code combining first-digit (solid) level 5 with second-digit (liquid) level 0.
The IP59K classification guarantees dust-protected (limited ingress, no harmful deposit) 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 5 with second-digit (liquid) level 9K.
Detailed comparison
The stronger rating on each row is highlighted in emerald.
Solid protection (first digit)
IP50
5 — Dust-Protected
IP59K
5 — Dust-Protected
Liquid protection (second digit)
IP50
0 — No Protection
IP59K
9 — High-Pressure, High-Temp Water Jets
Dust-tight
IP50
Limited
IP59K
Limited
Water-jet resistant
IP50
No
IP59K
Yes
Submersible
IP50
No
IP59K
Yes
Outdoor suitable
IP50
No
IP59K
Yes
The exact difference (IP50 vs IP59K)
Solid protection
IP50
Level 5 — Dust-Protected
IP59K
Level 5 — Dust-Protected
Both IP50 and IP59K share the same solid protection: Dust-Protected.
Liquid protection
IP50
Level 0 — No Protection
IP59K
Level 9 — High-Pressure, High-Temp Water Jets
IP50 provides "No Protection" (level 0), while IP59K provides "High-Pressure, High-Temp Water Jets" (level 9). IP59K is 9 levels higher.
NEMA equivalents
No direct NEMA equivalent.
No direct NEMA equivalent.
Recommendation
IP59K offers higher overall protection than IP50. Choose IP59K for harsher environments; IP50 may suffice for milder conditions and can be more cost-effective.