SpecCalc Hub
Reference overview of ingress protection rating structure.
IP ratings describe enclosure protection against solid objects and water under defined test conditions. They help you compare product suitability for dust, splashing, jets or immersion, but they do not describe every real installation risk.
This reference is useful when you are choosing an enclosure, checking a datasheet, or trying to understand whether a device belongs indoors, outdoors or in a washdown environment.
The page is structured as a practical reference: start with the visible table, diagram and labels, then compare them with the exact connector, device, enclosure or symbol set in front of you.
Use the listed sources to confirm revision, naming and application context. Similar labels can hide different electrical limits, pin functions or test conditions, so the page should be treated as a guided reference rather than a universal standard text.
IP54 suggests dust-protected and splash-resistant equipment, while IP65 points to a dust-tight enclosure that resists water jets. That does not automatically mean both are suitable for the same cleaning regime or mounting method.
IP67 usually relates to temporary immersion under stated test conditions. It does not mean a device is permanently safe underwater, chemically resistant or suitable for every cable gland and connector arrangement.
Not automatically. It depends on the actual exposure, maintenance method and accessories used with the enclosure.
No. Those are separate material and environment questions.
No. The outdoor environment, mounting details and manufacturer instructions still need to be checked.
Last reviewed: 2026-06-05
| Digit | Meaning |
|---|---|
| 0 | No rated protection |
| 1 | > 50 mm objects |
| 2 | > 12.5 mm objects |
| 3 | > 2.5 mm objects |
| 4 | > 1 mm objects |
| 5 | Dust-protected |
| 6 | Dust-tight |
| Digit | Meaning |
|---|---|
| 0 | No rated protection |
| 1 | Vertical drops |
| 2 | Drops with enclosure tilted |
| 3 | Spraying water |
| 4 | Splashing water |
| 5 | Water jets |
| 6 | Powerful water jets |
| 7 | Temporary immersion |
| 8 | Continuous immersion under stated conditions |
| 9 | High-pressure, high-temperature jets |
This calculator provides an estimate for informational purposes only. It is not a certified engineering design, electrical safety approval, or professional installation recommendation. Always verify final decisions with a qualified professional and applicable local codes.