IP58 vs IPX4
Head-to-head comparison of two IEC 60529 ingress protection ratings.
IP58 and IPX4 are both IEC 60529 ingress protection codes, but they differ in solid-object protection (level 5 vs 0) and liquid protection (level 8 vs 4). IP58 is rated for dust-protected and continuous immersion (manufacturer-specified), while IPX4 provides no protection and splashing water (all directions).
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.
IPX4 (solid protection not specified) resists splashing water from any direction. A common minimum for bathroom and outdoor-covered appliances where dust sealing is not required.
Detailed comparison
The stronger rating on each row is highlighted in emerald.
Solid protection (first digit)
IP58
5 — Dust-Protected
IPX4
0 — No Protection
Liquid protection (second digit)
IP58
8 — Continuous Immersion (manufacturer-specified)
IPX4
4 — Splashing Water (all directions)
Dust-tight
IP58
Limited
IPX4
No
Water-jet resistant
IP58
Yes
IPX4
No
Submersible
IP58
Yes
IPX4
No
Outdoor suitable
IP58
Yes
IPX4
Yes
The exact difference (IP58 vs IPX4)
Solid protection
IP58
Level 5 — Dust-Protected
IPX4
Level 0 — No Protection
IP58 provides "Dust-Protected" (level 5), while IPX4 provides "No Protection" (level 0). IP58 is 5 levels higher.
Liquid protection
IP58
Level 8 — Continuous Immersion (manufacturer-specified)
IPX4
Level 4 — Splashing Water (all directions)
IP58 handles Specified by manufacturer (Continuous Immersion (manufacturer-specified)), while IPX4 handles 50–100 kPa (Splashing Water (all directions)). IP58 provides 4 levels more liquid protection.
NEMA equivalents
No direct NEMA equivalent.
No direct NEMA equivalent.
Recommendation
IP58 offers higher overall protection than IPX4. Choose IP58 for harsher environments; IPX4 may suffice for milder conditions and can be more cost-effective.