IP09K vs IPX4
Head-to-head comparison of two IEC 60529 ingress protection ratings.
IP09K and IPX4 are both IEC 60529 ingress protection codes, but they differ in liquid protection (level 9K vs 4). IP09K is rated for no protection and high-pressure, high-temp water jets, while IPX4 provides no protection and splashing water (all directions).
The IP09K rating offers no protection against solid objects 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 0 with second-digit (liquid) level 9K.
IPX4 (solid protection not specified) resists splashing water from any direction. A common minimum for bathroom and outdoor-covered appliances where dust sealing is not required.
Detailed comparison
The stronger rating on each row is highlighted in emerald.
Solid protection (first digit)
IP09K
0 — No Protection
IPX4
0 — No Protection
Liquid protection (second digit)
IP09K
9 — High-Pressure, High-Temp Water Jets
IPX4
4 — Splashing Water (all directions)
Dust-tight
IP09K
No
IPX4
No
Water-jet resistant
IP09K
Yes
IPX4
No
Submersible
IP09K
Yes
IPX4
No
Outdoor suitable
IP09K
Yes
IPX4
Yes
The exact difference (IP09K vs IPX4)
Solid protection
IP09K
Level 0 — No Protection
IPX4
Level 0 — No Protection
Both IP09K and IPX4 share the same solid protection: No Protection.
Liquid protection
IP09K
Level 9 — High-Pressure, High-Temp Water Jets
IPX4
Level 4 — Splashing Water (all directions)
IP09K handles 8–10 MPa (High-Pressure, High-Temp Water Jets), while IPX4 handles 50–100 kPa (Splashing Water (all directions)). IP09K provides 5 levels more liquid protection.
NEMA equivalents
No direct NEMA equivalent.
No direct NEMA equivalent.
Recommendation
IP09K offers higher overall protection than IPX4. Choose IP09K for harsher environments; IPX4 may suffice for milder conditions and can be more cost-effective.