NEMA4 v IP65 Enclosure Comparison
Many of our wall-mounted meters are listed as NEMA4 or IP65 enclosures. These designations describe the level of protection the "boxes" give to internal electronics. Here are the differences.
- Indoor or outdoor use to provide a degree of protection to personnel against access to hazardous parts
- To provide a degree of protection of the equipment inside the enclosure against ingress of solid foreign objects (falling dirt and windblown dust)
- To provide a degree of protection with respect to harmful effects on the equipment due to the ingress of water (rain, sleet, snow, splashing water, and hose directed water)
- Undamaged by the external formation of ice on the enclosure
- Complete protection from dust, oil, and other non-corrosive material
- Complete protection from contact with enclosed equipment
- Protection from water, up to water projected by a nozzle against enclosure from any direction
Which is right for your application? In general, NEMA4 protection is fine for general indoor use. IP65 is best for industrial use, or where the box will be directly sprayed by a water hose (for example cleaning and decontamination).
Neither of these enclosures are rated for direct spray by high-pressure hoses or immersion in water. Also, it is important that these ratings be taken as general guidelines, and not as a guarantee of fitness for a particular purpose.
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Posted by CO2 Meter on August 04, 2014.