IP58 vs IP16
Head-to-head comparison of two IEC 60529 ingress protection ratings.
IP58 and IP16 are both IEC 60529 ingress protection codes, but they differ in solid-object protection (level 5 vs 1) and liquid protection (level 8 vs 6). IP58 is rated for dust-protected and continuous immersion (manufacturer-specified), while IP16 provides > 50 mm — back of hand and powerful water jets (12.5 mm nozzle).
IP58 is dust-protected and rated for continuous immersion in water under manufacturer-specified conditions. A niche rating for equipment that must operate submerged while allowing limited dust ingress.
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)
IP58
5 — Dust-Protected
IP16
1 — > 50 mm — Back of Hand
Liquid protection (second digit)
IP58
8 — Continuous Immersion (manufacturer-specified)
IP16
6 — Powerful Water Jets (12.5 mm nozzle)
Dust-tight
IP58
Limited
IP16
No
Water-jet resistant
IP58
Yes
IP16
Yes
Submersible
IP58
Yes
IP16
No
Outdoor suitable
IP58
Yes
IP16
Yes
The exact difference (IP58 vs IP16)
Solid protection
IP58
Level 5 — Dust-Protected
IP16
Level 1 — > 50 mm — Back of Hand
IP58 provides "Dust-Protected" (level 5), while IP16 provides "> 50 mm — Back of Hand" (level 1). IP58 is 4 levels higher.
Liquid protection
IP58
Level 8 — Continuous Immersion (manufacturer-specified)
IP16
Level 6 — Powerful Water Jets (12.5 mm nozzle)
IP58 handles Specified by manufacturer (Continuous Immersion (manufacturer-specified)), while IP16 handles 100 kPa (Powerful Water Jets (12.5 mm nozzle)). IP58 provides 2 levels more liquid protection.
NEMA equivalents
No direct NEMA equivalent.
No direct NEMA equivalent.
Recommendation
IP58 offers higher overall protection than IP16. Choose IP58 for harsher environments; IP16 may suffice for milder conditions and can be more cost-effective.