IP09K vs IP27
Head-to-head comparison of two IEC 60529 ingress protection ratings.
IP09K and IP27 are both IEC 60529 ingress protection codes, but they differ in solid-object protection (level 0 vs 2) and liquid protection (level 9K vs 7). IP09K is rated for no protection and high-pressure, high-temp water jets, while IP27 provides > 12.5 mm — finger and temporary immersion (up to 1 m).
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.
The IP27 classification guarantees protection against solid objects larger than 12.5 mm and protection against the effects of temporary immersion in water. Ingress of water in quantities causing harmful effects shall not be possible.. It is an IEC 60529 ingress protection code combining first-digit (solid) level 2 with second-digit (liquid) level 7.
Detailed comparison
The stronger rating on each row is highlighted in emerald.
Solid protection (first digit)
IP09K
0 — No Protection
IP27
2 — > 12.5 mm — Finger
Liquid protection (second digit)
IP09K
9 — High-Pressure, High-Temp Water Jets
IP27
7 — Temporary Immersion (up to 1 m)
Dust-tight
IP09K
No
IP27
No
Water-jet resistant
IP09K
Yes
IP27
Yes
Submersible
IP09K
Yes
IP27
Yes
Outdoor suitable
IP09K
Yes
IP27
Yes
The exact difference (IP09K vs IP27)
Solid protection
IP09K
Level 0 — No Protection
IP27
Level 2 — > 12.5 mm — Finger
IP09K provides "No Protection" (level 0), while IP27 provides "> 12.5 mm — Finger" (level 2). IP27 is 2 levels higher.
Liquid protection
IP09K
Level 9 — High-Pressure, High-Temp Water Jets
IP27
Level 7 — Temporary Immersion (up to 1 m)
IP09K handles 8–10 MPa (High-Pressure, High-Temp Water Jets), while IP27 handles Hydrostatic ~10 kPa at 1 m (Temporary Immersion (up to 1 m)). IP09K provides 2 levels more liquid protection.
NEMA equivalents
No direct NEMA equivalent.
No direct NEMA equivalent.
Recommendation
IP09K and IP27 offer comparable overall protection; choose based on the specific protection dimension (dust vs. water) that matters most for your application.