IPX7

IPX7 rating explained: survives temporary immersion, dust not rated

Temporary immersion under numeral-7 conditions; X means the solids characteristic is not specified.

Maintained by Giorgi Gaprindashvili Published July 4, 2026 Updated September 18, 2026 Editorial check September 2026

X (first digit)Solids characteristic not specified in this designation (not zero protection).

7 (second digit)Temporary immersion under IEC 60529 numeral-7 test conditions; commonly summarized as about 1 m for 30 minutes for smaller enclosures.

Want the full system, or to decode any other code? See the IEC 60529 standard explained or the IP rating decoder.

How to read the IPX7 code

IPX7 declares temporary immersion under numeral-7 conditions. X means the solids characteristic is not specified; on its own it is not a jet or dust-tight designation.

Key facts

Standard: IEC 60529 (Ingress Protection code)
Solids: X = solids characteristic not specified in this designation
Water: 7 = temporary immersion under defined numeral-7 conditions
Test summary: 30-minute temporary immersion; exact water level depends on enclosure dimensions
Does not cover: High-pressure jets, a stated dust rating

What IPX7 protects against

The second digit, 7, declares temporary immersion protection under the numeral-7 test conditions. “1 metre for 30 minutes” is a useful shorthand for many small enclosures, but the IEC setup defines water level relative to the enclosure dimensions rather than assigning every enclosure the same geometry.

The X in the first position means the solids characteristic is not specified in this designation. It does not prove zero dust protection, and it also does not prove the product was never evaluated for dust in some other context. If a declared solids rating matters, use the product's full documented designation.

IPX7 vs IP67

IPX7 and IP67 use the same second numeral 7, so the water side is the same IEC 60529 degree of protection. IP67 additionally declares solids numeral 6, meaning dust-tight under the IEC 60529 dust test; IPX7 leaves the solids characteristic unspecified.

That is a difference in what the designation declares, not proof that every IPX7 product physically has no dust resistance. Neither designation automatically proves separate high-pressure-jet protection.

IPX7 at a glance

IPX7 declares numeral-7 temporary immersion while leaving the solids characteristic unspecified.
Property	IPX7
First digit (solids)	X - not specified
Second digit (water)	7 - temporary immersion
Immersion depth	Defined by numeral-7 setup; often summarized as about 1 m for smaller enclosures
Immersion time	30 minutes
High-pressure jets	Not covered

IPX7 vs IPX8

Both leave the solids characteristic unspecified and both concern immersion. IPX7 uses defined temporary-immersion conditions; IPX8 uses product-specific continuous-immersion conditions that must be more severe than numeral 7.

Neither designation by itself declares a solids rating, jet resistance or permission for a particular activity such as swimming.

See the full IPX8 rating page

IPX7 vs IP67: same water numeral, IP67 also declares dust-tightness

Both use water numeral 7. IP67 additionally declares solids numeral 6, meaning dust-tight under the IEC 60529 dust test, while IPX7 leaves the solids characteristic unspecified.

Use IP67 when the declared dust-tight result matters. Do not read the X in IPX7 as a zero or as proof that no separate dust evidence exists.

See the full IP67 rating page

Frequently asked questions

What does IPX7 mean?

IPX7 declares temporary immersion protection under IEC 60529 numeral-7 conditions. The X means the solids characteristic is not specified in this designation; it is not a zero.

Is IPX7 the same as IP67?

They use the same water numeral 7. IP67 additionally declares solids numeral 6, meaning dust-tight under the IEC 60529 dust test, while IPX7 leaves the solids characteristic unspecified.

Can I swim with an IPX7 device?

Not from the IPX7 code alone. The rating is a controlled temporary-immersion result, while swimming can introduce movement, different water chemistry and use conditions. Follow the manufacturer's explicit activity guidance.

Does IPX7 protect against water jets?

Not necessarily. Immersion and jets are separate tests, so an IPX7 device has not necessarily passed a jet test.

Does the X in IPX7 mean no dust protection?

No. X means the solids characteristic is not specified in this designation. It is not the same as a solids numeral 0 and does not by itself tell you what other dust evidence may exist.

IPX8 rating explained IPX4 rating explained IP67 rating explained IEC 60529 standard explained IP rating decoder IP rating chart (all codes)

Sources: IEC 60529 (IEC Webstore) · IEC: IP ratings. An overview for design reference - verify against the current edition before relying on it for compliance.