IP20 vs IP68
Head-to-head comparison of two IEC 60529 ingress protection ratings.
IP20 and IP68 are both IEC 60529 ingress protection codes, but they differ in solid-object protection (level 2 vs 6) and liquid protection (level 0 vs 8). IP20 is rated for > 12.5 mm — finger and no protection, while IP68 provides dust-tight and continuous immersion (manufacturer-specified).
IP20 protects against contact with a finger and solid objects larger than 12.5 mm. It has no water protection and is intended for dry, indoor use such as consumer electronics and IT equipment.
IP68 is dust-tight and protects against continuous immersion in water under conditions specified by the manufacturer (typically deeper than 1 meter for prolonged periods). The standard for submersible and marine equipment.
Detailed comparison
The stronger rating on each row is highlighted in emerald.
Solid protection (first digit)
IP20
2 — > 12.5 mm — Finger
IP68
6 — Dust-Tight
Liquid protection (second digit)
IP20
0 — No Protection
IP68
8 — Continuous Immersion (manufacturer-specified)
Dust-tight
IP20
No
IP68
Yes
Water-jet resistant
IP20
No
IP68
Yes
Submersible
IP20
No
IP68
Yes
Outdoor suitable
IP20
No
IP68
Yes
The exact difference (IP20 vs IP68)
Solid protection
IP20
Level 2 — > 12.5 mm — Finger
IP68
Level 6 — Dust-Tight
IP20 provides "> 12.5 mm — Finger" (level 2), while IP68 provides "Dust-Tight" (level 6). IP68 is 4 levels higher.
Liquid protection
IP20
Level 0 — No Protection
IP68
Level 8 — Continuous Immersion (manufacturer-specified)
IP20 provides "No Protection" (level 0), while IP68 provides "Continuous Immersion (manufacturer-specified)" (level 8). IP68 is 8 levels higher.
NEMA equivalents
Recommendation
IP68 offers higher overall protection than IP20. Choose IP68 for harsher environments; IP20 may suffice for milder conditions and can be more cost-effective.