What is IP rating

Ingress Protection (IP) ratings are developed by the European Committee for Electro Technical Standardization (CENELEC) (NEMA IEC 60529 Degrees of Protection Provided by Enclosures – IP Code), specifying the environmental protection the enclosure provides. Formally speaking, “IP” can be followed by one, two, or three numbers where the second number is for water resistance.   An X can be substituted for the first number (collision or bump resistance) if it is not available.  In practice, sometimes the first number is omitted entirely and so the only number shown is for water resistance.

Format:   IPnn,  IPXn,  IPnnn
(e.g. IPX4, IP54, IP-4 would all mean a level 4 water resistance.)

Description:

0No protection
1Protected against vertically falling drops of water e.g. condensation
2Protected against direct sprays of water up to 15o from the vertical
3Protected against splashes and direct sprays of water up to 60o from the vertical
4Protected against low pressure water sprayed from all directions
5Protected against moderate pressure jets of water from all directions
6Protected against temporary flooding of water
7Protected against the effect of immersion between 15 cm and 1 m
8Protected against long periods of immersion under pressure

Some popular dryers with published IP ratings:

The PW-70-1S has an IP34 rating which is almost the highest, that we’ve seen in a hand dryer.

The PW-A,PW-B,PW-70-1,PW-70-2,PW-70-3 & PW-70-4, have an IPX4 rating which is also excellent.

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