Siemens A1 Manual De Usuario
Appendix A
International English
60
MICROMASTER Applications Handbook
SECOND NUMBER
0
No protection
No special protection.
1
Protection against water
dripping vertically
dripping vertically
Water drops falling vertically must not have any harmful effect.
2
Protection against water
dripping non-vertically
dripping non-vertically
Water drops failing at any angle up to 15' with the vertical must not have
any harmful effect.
any harmful effect.
3
Protection against spray
water
water
Water hitting the object at any angle up to 600 with the vertical must not
have any harmful effect.
have any harmful effect.
4
Protection against splash
water
water
Water splashing against the object from all directions must not have any
harmful effect.
harmful effect.
5
Protection against jet
water
water
A jet of water projected from a standard nozzle at 12.5 litres per minute
against the object from all directions must not have any harmful effect.
against the object from all directions must not have any harmful effect.
6 Protection
against
powerful water jets
A water jet projected at 1 00 litres per minute from all directions shall have
no harmful effect.
no harmful effect.
7 Protection
against
temporary submersion
If the enclosure is immersed between 0. 1 5 and 1 m in water for 30
minutes, water must not enter it in any harmful quantity.
minutes, water must not enter it in any harmful quantity.
8 Protection
against
continuous submersion
If the enclosure remains submerged in water, under agreed conditions
which are more severe than those of IPX7, water must not enter it in any
harmful quantity.
which are more severe than those of IPX7, water must not enter it in any
harmful quantity.