IP69K vs IP25
Head-to-head comparison of two IEC 60529 ingress protection ratings.
IP69K and IP25 are both IEC 60529 ingress protection codes, but they differ in solid-object protection (level 6 vs 2) and liquid protection (level 9K vs 5). IP69K is rated for dust-tight and high-pressure, high-temp water jets, while IP25 provides > 12.5 mm — finger and water jets (6.3 mm nozzle).
IP69K is dust-tight and resists high-pressure (8–10 MPa), high-temperature (80 °C) water jets. The highest IP rating, required for food, beverage, and pharmaceutical washdown environments.
IP25 is an ingress protection code that ensures protection against solid objects larger than 12.5 mm and protection against water jets. Water projected by a 6.3 mm nozzle against the enclosure from any direction shall have no harmful effects.. It is an IEC 60529 ingress protection code combining first-digit (solid) level 2 with second-digit (liquid) level 5.
Detailed comparison
The stronger rating on each row is highlighted in emerald.
Solid protection (first digit)
IP69K
6 — Dust-Tight
IP25
2 — > 12.5 mm — Finger
Liquid protection (second digit)
IP69K
9 — High-Pressure, High-Temp Water Jets
IP25
5 — Water Jets (6.3 mm nozzle)
Dust-tight
IP69K
Yes
IP25
No
Water-jet resistant
IP69K
Yes
IP25
Yes
Submersible
IP69K
Yes
IP25
No
Outdoor suitable
IP69K
Yes
IP25
Yes
The exact difference (IP69K vs IP25)
Solid protection
IP69K
Level 6 — Dust-Tight
IP25
Level 2 — > 12.5 mm — Finger
IP69K provides "Dust-Tight" (level 6), while IP25 provides "> 12.5 mm — Finger" (level 2). IP69K is 4 levels higher.
Liquid protection
IP69K
Level 9 — High-Pressure, High-Temp Water Jets
IP25
Level 5 — Water Jets (6.3 mm nozzle)
IP69K handles 8–10 MPa (High-Pressure, High-Temp Water Jets), while IP25 handles 30 kPa (Water Jets (6.3 mm nozzle)). IP69K provides 4 levels more liquid protection.
NEMA equivalents
No direct NEMA equivalent.
No direct NEMA equivalent.
Recommendation
IP69K offers higher overall protection than IP25. Choose IP69K for harsher environments; IP25 may suffice for milder conditions and can be more cost-effective.