1.1.6 What does the IP23 protection rating of an electric motor mean?
First digit of the IP code - protection against foreign objects and contact
| 1. Identification number | Meaning: | ||
|---|---|---|---|
| ISO 20653 | DIN EN 60529 | Protection against foreign objects | Protection against contact |
| 0 | no protection | no protection | |
| 1 | Protected against solid foreign objects with a diameter ≥ 50 mm | Protected against access with the back of the hand | |
| 2 | Protected against solid foreign objects with a diameter ≥ 12.5 mm | Protected against access with one finger | |
| 3 | Protected against solid foreign objects with a diameter ≥ 2.5 mm | Protected against access with a tool | |
| 4 | Protected against solid foreign objects with a diameter ≥ 1.0 mm | Protected against access with a wire | |
| 5K | 5 | Protected against harmful amounts of dust | complete protection against contact |
| 6K | 6 | dustproof | complete protection against contact |
Second digit of the IP code - protection against water
| 2nd identification number | Meaning: Protection against water |
|
|---|---|---|
| ISO 20653 | DIN EN 60529 | |
| 0 | no protection | |
| 1 | Protection against dripping water | |
| 2 | Protection against falling dripping water when the housing is tilted up to 15° | |
| 3 | Protection against falling spray water up to 60° from the vertical | |
| 4 | Protection against splashing water from all directions | |
| 4K | Protection against splashing water from all directions at increased pressure | |
| 5 | Protection against jet water (nozzle) from any angle | |
| 6 | Protection against powerful jets of water | |
| 6K | Protection against powerful jets of water under increased pressure, specifically for road vehicles | |
| 7 | Protection against temporary submersion | |
| 8 | Protection against continuous immersion. Unless otherwise specified, protection is provided up to a water depth of 1 meter. Other water depths must be specified or agreed upon separately . [7] | |
| 9 | Protection against water during high-pressure/steam jet cleaning, especially in agriculture | |
| 9K | Protection against water during high-pressure/steam jet cleaning, specifically for road vehicles | |
