ingress protection (IP) and NEMA numbers describe how well a housing keeps out dust and water. Higher is not always required indoors.
Use the rating on the product page. Still aim the unit and seal the cable entry so water cannot pool inside.
Catalog FiltersReviewed 2026-08-28
IP / NEMA
Dust, water, and enclosure ratings used on outdoor or harsh-location products.
Also called
IP filterfilter by IP ratingingress protection filterIP / NEMAcatalog ip rating filters
Catalog fields
IP RatingProduct Type
Source: Transmitter Solutions product training