IP09K vs IP16
Head-to-head comparison of two IEC 60529 ingress protection ratings.
IP09K and IP16 are both IEC 60529 ingress protection codes, but they differ in solid-object protection (level 0 vs 1) and liquid protection (level 9K vs 6). IP09K is rated for no protection and high-pressure, high-temp water jets, while IP16 provides > 50 mm — back of hand and powerful water jets (12.5 mm nozzle).
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.
IP16 is an ingress protection code that ensures protection against solid objects larger than 50 mm and protection against powerful water jets. Water projected in powerful jets by a 12.5 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 1 with second-digit (liquid) level 6.
Detailed comparison
The stronger rating on each row is highlighted in emerald.
Solid protection (first digit)
IP09K
0 — No Protection
IP16
1 — > 50 mm — Back of Hand
Liquid protection (second digit)
IP09K
9 — High-Pressure, High-Temp Water Jets
IP16
6 — Powerful Water Jets (12.5 mm nozzle)
Dust-tight
IP09K
No
IP16
No
Water-jet resistant
IP09K
Yes
IP16
Yes
Submersible
IP09K
Yes
IP16
No
Outdoor suitable
IP09K
Yes
IP16
Yes
The exact difference (IP09K vs IP16)
Solid protection
IP09K
Level 0 — No Protection
IP16
Level 1 — > 50 mm — Back of Hand
IP09K provides "No Protection" (level 0), while IP16 provides "> 50 mm — Back of Hand" (level 1). IP16 is 1 level higher.
Liquid protection
IP09K
Level 9 — High-Pressure, High-Temp Water Jets
IP16
Level 6 — Powerful Water Jets (12.5 mm nozzle)
IP09K handles 8–10 MPa (High-Pressure, High-Temp Water Jets), while IP16 handles 100 kPa (Powerful Water Jets (12.5 mm nozzle)). IP09K provides 3 levels more liquid protection.
NEMA equivalents
No direct NEMA equivalent.
No direct NEMA equivalent.
Recommendation
IP09K offers higher overall protection than IP16. Choose IP09K for harsher environments; IP16 may suffice for milder conditions and can be more cost-effective.