IP30 vs IP37
Head-to-head comparison of two IEC 60529 ingress protection ratings.
IP30 and IP37 are both IEC 60529 ingress protection codes, but they differ in liquid protection (level 0 vs 7). IP30 is rated for > 2.5 mm — tool / wire and no protection, while IP37 provides > 2.5 mm — tool / wire and temporary immersion (up to 1 m).
IP30 protects against tools and 2.5 mm solid objects but offers no water protection. A basic indoor rating for equipment in dry, low-dust environments where only tool-access protection is required.
Specified under IEC 60529, IP37 denotes protection against solid objects larger than 2.5 mm and protection against the effects of temporary immersion in water. Ingress of water in quantities causing harmful effects shall not be possible.. It is an IEC 60529 ingress protection code combining first-digit (solid) level 3 with second-digit (liquid) level 7.
Detailed comparison
The stronger rating on each row is highlighted in emerald.
Solid protection (first digit)
IP30
3 — > 2.5 mm — Tool / Wire
IP37
3 — > 2.5 mm — Tool / Wire
Liquid protection (second digit)
IP30
0 — No Protection
IP37
7 — Temporary Immersion (up to 1 m)
Dust-tight
IP30
No
IP37
No
Water-jet resistant
IP30
No
IP37
Yes
Submersible
IP30
No
IP37
Yes
Outdoor suitable
IP30
No
IP37
Yes
The exact difference (IP30 vs IP37)
Solid protection
IP30
Level 3 — > 2.5 mm — Tool / Wire
IP37
Level 3 — > 2.5 mm — Tool / Wire
Both IP30 and IP37 share the same solid protection: > 2.5 mm — Tool / Wire.
Liquid protection
IP30
Level 0 — No Protection
IP37
Level 7 — Temporary Immersion (up to 1 m)
IP30 provides "No Protection" (level 0), while IP37 provides "Temporary Immersion (up to 1 m)" (level 7). IP37 is 7 levels higher.
NEMA equivalents
No direct NEMA equivalent.
No direct NEMA equivalent.
Recommendation
IP37 offers higher overall protection than IP30. Choose IP37 for harsher environments; IP30 may suffice for milder conditions and can be more cost-effective.