IP01 vs IP09K
Head-to-head comparison of two IEC 60529 ingress protection ratings.
IP01 and IP09K are both IEC 60529 ingress protection codes, but they differ in liquid protection (level 1 vs 9K). IP01 is rated for no protection and vertically dripping water, while IP09K provides no protection and high-pressure, high-temp water jets.
IP01 provides no protection against solid objects and protection against vertically falling drops of water. Dripping water shall have no harmful effects.. It is an IEC 60529 ingress protection code combining first-digit (solid) level 0 with second-digit (liquid) level 1.
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)
IP01
0 — No Protection
IP09K
0 — No Protection
Liquid protection (second digit)
IP01
1 — Vertically Dripping Water
IP09K
9 — High-Pressure, High-Temp Water Jets
Dust-tight
IP01
No
IP09K
No
Water-jet resistant
IP01
No
IP09K
Yes
Submersible
IP01
No
IP09K
Yes
Outdoor suitable
IP01
No
IP09K
Yes
The exact difference (IP01 vs IP09K)
Solid protection
IP01
Level 0 — No Protection
IP09K
Level 0 — No Protection
Both IP01 and IP09K share the same solid protection: No Protection.
Liquid protection
IP01
Level 1 — Vertically Dripping Water
IP09K
Level 9 — High-Pressure, High-Temp Water Jets
IP01 handles 0.1 mm/min drip rate (Vertically Dripping Water), while IP09K handles 8–10 MPa (High-Pressure, High-Temp Water Jets). IP09K provides 8 levels more liquid protection.
NEMA equivalents
No direct NEMA equivalent.
No direct NEMA equivalent.
Recommendation
IP09K offers higher overall protection than IP01. Choose IP09K for harsher environments; IP01 may suffice for milder conditions and can be more cost-effective.