Engineering Resources


Engineering Resources

Downloadable Productivity Tools

Nema Enclosures offers free downloadable manufacturer specifications for those hard-to-remember conduit openings, DIN cut outs, fan cut outs, HMIs, 30 mm operators and 22 mm operators.  You know as an engineer, a 1/2" conduit entry requires a larger .875" through hole size in the enclosure to make it fit properly. Nema Enclosures provides you with this information for your convenience so you don't have to go searching for it from a conduit manufacturer or technical guide. Simply click on the links below to download the specification reference material you need.


Nema Enclosures Part Number Configurator

Simplify ordering the exact enclosure you need by referring to our Parts Number Configurator. Click here to download.


Nema Rating

NEMA standards help protect electrical and electronic components from environmental factors to reduce safety hazards and to ensure consistent product performance.  It’s important to know where your enclosure will be used before you specify one. Click here to download the complete ratings comparison chart.

IP Rating

An IP (Ingress Protection) rating is used by buyers in Europe to specify the extent of protection an electrical enclosure has against environmental conditions. Click here to download the complete ratings comparison chart.