IP00 vs IP39K
Head-to-head comparison of two IEC 60529 ingress protection ratings.
IP00 and IP39K are both IEC 60529 ingress protection codes, but they differ in solid-object protection (level 0 vs 3) and liquid protection (level 0 vs 9K). IP00 is rated for no protection and no protection, while IP39K provides > 2.5 mm — tool / wire and high-pressure, high-temp water jets.
IP00 offers no protection against solid objects or moisture. It is suitable only for indoor, climate-controlled environments where the equipment is fully enclosed within another protective housing.
IP39K is an ingress protection code that ensures protection against solid objects larger than 2.5 mm 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 3 with second-digit (liquid) level 9K.
Detailed comparison
The stronger rating on each row is highlighted in emerald.
Solid protection (first digit)
IP00
0 — No Protection
IP39K
3 — > 2.5 mm — Tool / Wire
Liquid protection (second digit)
IP00
0 — No Protection
IP39K
9 — High-Pressure, High-Temp Water Jets
Dust-tight
IP00
No
IP39K
No
Water-jet resistant
IP00
No
IP39K
Yes
Submersible
IP00
No
IP39K
Yes
Outdoor suitable
IP00
No
IP39K
Yes
The exact difference (IP00 vs IP39K)
Solid protection
IP00
Level 0 — No Protection
IP39K
Level 3 — > 2.5 mm — Tool / Wire
IP00 provides "No Protection" (level 0), while IP39K provides "> 2.5 mm — Tool / Wire" (level 3). IP39K is 3 levels higher.
Liquid protection
IP00
Level 0 — No Protection
IP39K
Level 9 — High-Pressure, High-Temp Water Jets
IP00 provides "No Protection" (level 0), while IP39K provides "High-Pressure, High-Temp Water Jets" (level 9). IP39K is 9 levels higher.
NEMA equivalents
No direct NEMA equivalent.
No direct NEMA equivalent.
Recommendation
IP39K offers higher overall protection than IP00. Choose IP39K for harsher environments; IP00 may suffice for milder conditions and can be more cost-effective.