IP57 vs IP09K
Head-to-head comparison of two IEC 60529 ingress protection ratings.
IP57 and IP09K are both IEC 60529 ingress protection codes, but they differ in solid-object protection (level 5 vs 0) and liquid protection (level 7 vs 9K). IP57 is rated for dust-protected and temporary immersion (up to 1 m), while IP09K provides no protection and high-pressure, high-temp water jets.
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.
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.
Detailed comparison
The stronger rating on each row is highlighted in emerald.
Solid protection (first digit)
IP57
5 — Dust-Protected
IP09K
0 — No Protection
Liquid protection (second digit)
IP57
7 — Temporary Immersion (up to 1 m)
IP09K
9 — High-Pressure, High-Temp Water Jets
Dust-tight
IP57
Limited
IP09K
No
Water-jet resistant
IP57
Yes
IP09K
Yes
Submersible
IP57
Yes
IP09K
Yes
Outdoor suitable
IP57
Yes
IP09K
Yes
The exact difference (IP57 vs IP09K)
Solid protection
IP57
Level 5 — Dust-Protected
IP09K
Level 0 — No Protection
IP57 provides "Dust-Protected" (level 5), while IP09K provides "No Protection" (level 0). IP57 is 5 levels higher.
Liquid protection
IP57
Level 7 — Temporary Immersion (up to 1 m)
IP09K
Level 9 — High-Pressure, High-Temp Water Jets
IP57 handles Hydrostatic ~10 kPa at 1 m (Temporary Immersion (up to 1 m)), while IP09K handles 8–10 MPa (High-Pressure, High-Temp Water Jets). 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.