1.1.6 What does the IP23 protection class of the electric motor mean?
First reference number of the IP-code - protection against foreign bodies and contact
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ISO 20653 |
DIN EN 60529 |
Protection against foreign bodies |
Protection against contact |
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0 |
No protection |
No protection |
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1 |
Protected against solid foreign bodies with diameter ≥ 50 mm |
Protected against access with the back of the hand |
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2 |
Protected against solid foreign bodies with diameter ≥ 12.5 mm |
Protected against access with a finger |
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3 |
Protected against solid foreign bodies with diameter ≥ 2.5 mm |
Protected against access with a tool |
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4 |
Protected against solid foreign bodies with diameter ≥ 1.0 mm |
Protected against access with a wire |
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5K |
5 |
Protected against dust in harmful quantities |
Complete protection against contact |
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6K |
6 |
dustproof |
Complete protection against contact |
Second reference number of the IP-code - protection against water
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2. Reference Number |
Description: Protection against water
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ISO 20653 |
DIN EN 60529 |
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0 |
No protection |
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1 |
Protection against dripping water |
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2 |
Protection against dripping water when the enclosure is tilted up to 15°. |
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3 |
Protection against spraying water up to 60° from vertical. |
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4 |
Protection against splashing water from all sides |
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4K |
Protection against splashing water from all sides with increased pressure |
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5 |
Protection against water jets (nozzle) from any angle |
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6 |
Protection against strong water jets |
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6K |
Protection against strong water jets under increased pressure, specifically for road vehicles |
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7 |
Protection against temporary submersion |
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8 |
Protection against permanent submersion. Unless otherwise specified, protection is provided up to a water depth of 1 metre. Other water depths must be specified or agreed upon separately [7]. |
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9 |
Protection against water during high pressure/steam jet cleaning, specifically for agricultural purposes |
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9K |
Protection against water during high pressure/steam jet cleaning, specifically for road vehicles |
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