IP09K vs IP57
Head-to-head comparison of two IEC 60529 ingress protection ratings.
IP09K and IP57 are both IEC 60529 ingress protection codes, but they differ in solid-object protection (level 0 vs 5) and liquid protection (level 9K vs 7). IP09K is rated for no protection and high-pressure, high-temp water jets, while IP57 provides dust-protected 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.
IP57 is dust-protected and tolerates temporary immersion up to 1 m for 30 minutes. Useful for portable devices that may be dropped in shallow water.
Detailed comparison
The stronger rating on each row is highlighted in emerald.
Solid protection (first digit)
IP09K
0 — No Protection
IP57
5 — Dust-Protected
Liquid protection (second digit)
IP09K
9 — High-Pressure, High-Temp Water Jets
IP57
7 — Temporary Immersion (up to 1 m)
Dust-tight
IP09K
No
IP57
Limited
Water-jet resistant
IP09K
Yes
IP57
Yes
Submersible
IP09K
Yes
IP57
Yes
Outdoor suitable
IP09K
Yes
IP57
Yes
The exact difference (IP09K vs IP57)
Solid protection
IP09K
Level 0 — No Protection
IP57
Level 5 — Dust-Protected
IP09K provides "No Protection" (level 0), while IP57 provides "Dust-Protected" (level 5). IP57 is 5 levels higher.
Liquid protection
IP09K
Level 9 — High-Pressure, High-Temp Water Jets
IP57
Level 7 — Temporary Immersion (up to 1 m)
IP09K handles 8–10 MPa (High-Pressure, High-Temp Water Jets), while IP57 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
IP57 offers higher overall protection than IP09K. Choose IP57 for harsher environments; IP09K may suffice for milder conditions and can be more cost-effective.