Symbol (ΙPXY) | |
1st number (Χ) | |
0 | No protection against hand or body contact. |
1 | Maximum object dimension which can be inserted is 50mm. Protected against body contact , but fingers may be inserted. |
2 | Maximum object dimension which can be inserted is 12mm. Human fingers may NOT be inserted. |
3 | Maximum object dimension which can be inserted is 2,5mm. Contact using tools bigger than 2,5mm (screwdrivers e.t.c.) is NOT possible. |
4 | Maximum object dimension which can be inserted is 1mm. Contact using tools bigger than 1mm (screwdrivers e.t.c.) is NOT possible. |
5 | Inserted dust may NOT overlay equipment parts. No contact is possible. |
6 | Full protection against dust insertion. No contact is possible. |
2nd number (Y) | |
0 | No protection |
1 | Equipment is protected against vertical drops fall . |
2 | Equipment is protected against drops falling with 15o slope regarding the vertical axis. |
3 | Equipment is protected against drops falling with 60o slope regarding the vertical axis. |
4 | Equipment is protected against splashing water coming from any direction. |
5 | Equipment is protected against water jets coming from any direction. (6 inch jet nozzle) |
6 | Equipment is protected against powerful water jets. (12inch jet nozzle) |
7 | Equipment is protected against temporary immersion for a given time duration. |
8 | Equipment is protected against permanent immersion in given pressure. |
Examples:
1. ΙΡ21 --> open motors. No finger contact is possible
1. ΙΡ54 --> closed motors protected against water injection.
2. ΙΡ65 --> proof motors. Total protection against dust insertion. Protected against water injection..
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