Just as with Type 4 enclosures, the main difference between a UL Type 4X enclosure and NEMA enclosures is primarily about the definitions as well as the standard UL rule that mandates for independent checks.

Dec 15, 2016 · Type 4: Weather tight (weatherproof) enclosures. Constructed for either indoor or outdoor use to provide a degree of protection against falling dirt, rain, sleet, snow, windblown dust, splashing water, and hose-directed water.

Note: The UL/NEMA enclosure type numbers meet or exceed the test requirements for the associated IEC Classification; for this reason the chart above cannot be used to convert from IEC Classifications to UL/NEMA enclosure type numbers.

Learn the difference between NEMA and UL enclosure ratings in our new NEMA and UL Equivalency Chart.

Oct 28, 2024 · UL Type 4X: Protects against water, including hose-directed water, and corrosion, making it suitable for outdoor use and areas exposed to harsh chemicals. It’s commonly used in industries such as food processing and chemical manufacturing.

Type 4X Indoor or outdoor use to provide a degree of protection against splashing water, windblown dust and rain, and hose directed water; undamaged by the formation of ice on the enclosure; resists corrosion.

UL Type 4X Enclosure Protection. A UL type 4X enclosure is non-ventilated, and it is suitable for both indoor and outdoor use. The enclosure is purposely structured to protect against the following elements: Rain and windblown dust; Hose-directed water; Splashing water; Corrosion due to caustic chemicals; Damage from exterior ice formation; UL ...

The UL type rating according to UL 50E requires intensive testing! If a customer has to deliver a device according to UL Type 4X to the U.S. and installs a cable entry component, the manufacturer of which only specifies as NEMA 4X, this can lead to big problems.

Aug 23, 2024 · UL 50 uses “Types” to define and classify the protective characteristics of enclosures. Among the available UL Types, six meet the needs of common ATS applications. These are Types 1, 3R, 3RX, 4, 4X and 12

Type 4X – Intended for indoor or outdoor use primarily to provide a degree of protection against corrosion, windblown dust and rain, splashing water, hose-directed water, and damage from external ice formation.