What is a Power Supply’s IP Rating?

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The recognition of out of doors electronics has introduced the topic of a power provide’s IP score from virtually obscurity to an on a regular basis query.  I regularly get requested about it by our gross sales individuals now, so I believed it might be good topic to cowl in our weblog. In researching this weblog article I even found one thing new myself.

IP is the acronym for Ingress Protection and for power provides the IP Score Code consists of the letters “IP” and two numbers as outlined beneath.

The primary quantity signifies the power provide’s protection stage in opposition to the ingress of strong objects or mud.


First Quantity for Solids or Mud

Stage Measurement of Object Sort of Object
X Check not made Check not made
0 N/A No protection
1 50mm or bigger Giant physique surfaces*
2 12.5mm or bigger Fingers
3 2.5mm or bigger Small instruments
4 1mm or bigger Screws
5 Mud protected -
6 Mud tight -

* Doesn't embrace deliberate physique half contact

The second quantity signifies the power provide’s protection in opposition to the ingress of water or different liquids.


Second Quantity for Liquids

Stage Protected in opposition to
X Check not made
0 No protection
1 Water dripping vertically
2 Water dripping at an angle
3 Spray water as much as 60° from vertical
4 Splashing water from any angle
5 Low stress water jets
6 Sturdy spray jets, heavy seas (ship decks)
7 Non permanent immersion (as much as 1m)
8 Everlasting immersion (deeper than 1m)

Most just lately LED power provides, or drivers as they're typically referred to, have scores of IP66 or larger.  Referring to the charts above, an IP66 score means the unit has ingress protection from Mud and Sturdy Jet Sprays of Water.

These IP scores additionally apply to the top system in fact, and plenty of of our clients make the most of a NEMA enclosure to make their merchandise meet a larger score.

The IP score is normally said within the Security Certification experiences and the set up handbook