IP48
Last updated: Aug 9, 2026Engineered to deliver protection against solid objects larger than 1.0 mm and protection against the effects of continuous immersion in water under conditions specified by the manufacturer.. Classified as IEC 60529 ingress protection code IP48, it pairs solid level 4 with liquid level 8.
Solid 4
> 1 mm — Small Wires
Liquid 8
Continuous Immersion (manufacturer-specified)
What IP48 means
The IP code IP48 is part of the IEC 60529 standard for ingress protection. The first characteristic numeral, 4, indicates the level of protection against solid objects and access to hazardous parts. The second numeral, 8, indicates the level of protection against the ingress of water. Together, these digits describe exactly what an enclosure rated IP48 can withstand.
For solid protection, the digit 4 means the enclosure is > 1 mm — small wires. Protected against access to hazardous parts with a wire. Protected against solid foreign objects of 1 mm diameter and greater. The test method is access probe (1.0 mm rigid test wire) shall not penetrate with adequate clearance.
For liquid protection, the digit 8 means the enclosure resists continuous immersion (manufacturer-specified). Protection against the effects of continuous immersion in water under conditions specified by the manufacturer. Ingress of water in quantities causing harmful effects shall not be possible. The test procedure is conditions more severe than ipx7 agreed between manufacturer and user; depth and duration specified on the equipment.
IP48 vs IP49K: the higher rating adds high-pressure, high-temp water jets. When specifying IP48 for a project, confirm the rating certificate from the manufacturer and consider that seals degrade over time with temperature cycling, UV exposure, and chemical contact.
Full specification table
| Parameter | Solid digit (4) | Liquid digit (8) |
|---|---|---|
| Protection level | > 1 mm — Small Wires | Continuous Immersion (manufacturer-specified) |
| Description | Protected against access to hazardous parts with a wire. Protected against solid foreign objects of 1 mm diameter and greater. | Protection against the effects of continuous immersion in water under conditions specified by the manufacturer. Ingress of water in quantities causing harmful effects shall not be possible. |
| Test method | Access probe (1.0 mm rigid test wire) shall not penetrate with adequate clearance. | Conditions more severe than IPX7 agreed between manufacturer and user; depth and duration specified on the equipment. |
| Object size / water pressure | 1.0 mm wire | Specified by manufacturer |
| Test distance | Per standard | Specified depth (often > 1 m) |
| Test duration | Per standard | Continuous (specified by manufacturer) |
Typical applications
Submersible equipment
Rugged portable devices
Outdoor field instruments
Continuous-submersion equipment
NEMA equivalent
Recommended products for IP48
IP48 submersible enclosure
All IP48 comparisons
69 pairsIP48 offers higher overall protection than IP00. Choose IP48 for harsher environments; IP0
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IP48 and IP57 offer comparable overall protection; choose based on the specific protection
IP58 offers higher overall protection than IP48. Choose IP58 for harsher environments; IP4
IP59K offers higher overall protection than IP48. Choose IP59K for harsher environments; I
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