IP59K vs IP5X
Head-to-head comparison of two IEC 60529 ingress protection ratings.
IP59K and IP5X are both IEC 60529 ingress protection codes, but they differ in liquid protection (level 9K vs 0). IP59K is rated for dust-protected and high-pressure, high-temp water jets, while IP5X provides dust-protected and no protection.
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.
IP5X is dust-protected (limited ingress, no harmful deposit) with water protection not specified. Used where dust limitation matters but the equipment is kept dry.
Detailed comparison
The stronger rating on each row is highlighted in emerald.
Solid protection (first digit)
IP59K
5 — Dust-Protected
IP5X
5 — Dust-Protected
Liquid protection (second digit)
IP59K
9 — High-Pressure, High-Temp Water Jets
IP5X
0 — No Protection
Dust-tight
IP59K
Limited
IP5X
Limited
Water-jet resistant
IP59K
Yes
IP5X
No
Submersible
IP59K
Yes
IP5X
No
Outdoor suitable
IP59K
Yes
IP5X
No
The exact difference (IP59K vs IP5X)
Solid protection
IP59K
Level 5 — Dust-Protected
IP5X
Level 5 — Dust-Protected
Both IP59K and IP5X share the same solid protection: Dust-Protected.
Liquid protection
IP59K
Level 9 — High-Pressure, High-Temp Water Jets
IP5X
Level 0 — No Protection
IP59K provides "High-Pressure, High-Temp Water Jets" (level 9), while IP5X provides "No Protection" (level 0). IP59K is 9 levels higher.
NEMA equivalents
No direct NEMA equivalent.
No direct NEMA equivalent.
Recommendation
IP59K offers higher overall protection than IP5X. Choose IP59K for harsher environments; IP5X may suffice for milder conditions and can be more cost-effective.