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CUSTOM ENCLOSURES SECTION

The Domestic & International Standards

Bebco designs and manufactures a wide range of custom enclosures,
control panels and cabinets for a broad range of applications,
to satisfy both domestic and international enclosure standards.

The following information and Website links are
provided as a guide to the enclosure design standards that
Bebco's Custom Metallic Enclosures Division can meet or exceed.


*- The National Electrical Manufacturer's Association -* Design Standard NEMA 250 NEMA Website Link: www.nema.org	*- The International Electrotechnical Commission -* Design Standard IEC 60529 IEC Website Link: www.iec.ch
DISCLAIMER: Bebco is not recognized or endorsed by either organization referenced above and information is presented for reference purposes only.

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NEMA Rating System

NEMA Type 1: (IP 10) Indoor use
Provides limited protection against small
amounts of falling dirt

NEMA Type 3: (IP 54) Outdoor use
Provides limited protection against rain, sleet,
windblown dust and external ice formation

NEMA Type 3R: (IP 14) Outdoor use
Provides limited protection against rain, sleet
and external ice formation

NEMA Type 4: (IP 56) Indoor or outdoor use
Provides protection against windblown dust and rain,
splashing or hose-down water and external ice formation

NEMA Type 4X: (IP 56) Indoor or outdoor use
Provides superior corrosion resistance and protection
(utilizing 316 stainless steel) against windblown dust
and rain, splashing or hose-down water and external
ice formation

NEMA Type 12: (IP 52) Indoor use
Provides protection against circulating dust,
falling dirt and non-corrosive liquids

NEMA Type 13: Indoor use
Provides limited protection against dust, sprayed
water, oil and non-corrosive liquids

IEC Rating System

IEC Enclosure Ratings are based on a two digit numbering system as listed below.

The first digit indicates a degree of protection against solid particles, and the second digit indicates a degree of protection against liquids.

IP Number Designations

1st Digit - Solid Particles

0 - No protection
1 - Protection against large foreign bodies
2 - Protection against medium foreign bodies
3 - Protection against small foreign bodies
4 - Protection against granular foreign bodies
5 - Protection from deposit of dust
6 - Protection from access of dust

2nd Digit - Liquids

0 - No protection
1 - Protection against vertical dripping water
2 - Same as 1 above when tilted up to 15 degrees
3 - Protection against sprayed water at 60 degrees
4 - Protection against splashed water
5 - Protection against jetted water
6 - Protection against flooding
7 - Protection in dipped state
8 - Protection in submerged state

IP Ratings in parenthesis are NEMA
conversion recommendations

Please contact Bebco for more information
regarding IEC Enclosure Ratings

- IMPORTANT NOTE -
The preceding information is provided for reference only, and is not intended
for development or finalization of an enclosure specification.

Contact Bebco or acquire a copy of the referenced NEMA and IEC Standards for the most complete and current information regarding all Enclosure Ratings

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Phone: (409) 935-5743 Fax: (409) 938-4189
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