NEMA 1

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NEMA 1enclosures do not have any gasketed surfaces and do not seal out any dust, oil, or water.
Typically used in- doors in a clean environment protecting controls, terminations, and wiring from objects and personnel.
     

 

 

 

 

 

 

 

 

 

 

 

NEMA 3R

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NEMA 3R enclosures do not have any gasketed surfaces and do not seal out any dust, oil, or water.
Typically used outdoors for junction boxes providing protection against rain, sleet, and snow.
Can be used indoors for protection where water is dripping.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NEMA 12

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NEMA 12 enclosures by design prevent the ingress of water, oil, and dust.
Typically used indoors to contain automation and motor control, including motion, vision, and drive systems.
The doors are gasketed sealing the enclosure's contents from airborne contaminants and non-pressurized water and oil.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NEMA 4

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NEMA 4 enclosures have gasketed  doors   with clamps for maximum sealing,
  protecting against dust, dirt, oil, and pressurized water.
Typically used in  washdown areas or where machine tool coolant is being used.
   

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NEMA 4X

NEMA 4X enclosures are made of stainless steel or plastic. NEMA 4X enclosures are used

in harsher environments than standard NEMA 4 units. Applications where corrosive materials

and caustic cleaners are used necessitate the use of a NEMA 4X enclosure. Applications

include food, such as meat/poultry processing facilities, where total washdown with disinfectants

occur repeatedly and petro-chemical facilities, including offshore petroleum sites.

NEMA 4X is used when protection from the worst environments is required. NEMA 4X

enclosures are available in sizes from small wall mounts to two-door floor mount models.

Wiegmann NEMA 4X enclosures are made of 304 stainless steel.

NEMA 6P

NEMA 6P enclosures are intended for indoor or outdoor use primarily to provide a degree

of protection against the entry of water during prolonged submersion at a limited depth.

NEMA 12

NEMA 12 enclosures are designed to prevent the ingress of dust, water, and oil. NEMA 12

enclosures are most often used for indoor applications of automation control and electronic

drives systems. Some examples are packaging, material handling, non-corrosive process

control, and manufacturing applications. Gasketed doors seal the enclosure's contents from

airborne contaminants and non-pressurized water and oil. NEMA 12 enclosures are available

in sizes from small wall mounts to two-door floor mount models.

NEMA 4 & 12

Wiegmann’s “412” enclosures combine the attributes of NEMA 4 and NEMA 12 in an attractive,

clean line enclosure. This enclosure features reversible doors for left or right opening,

concealed hinges, and rear mounting holes for a more attractive installation. Optional

mounting feet are available for conventional wall mounting. Wiegmann’s 412 enclosures are

available in wall mount models up to 60" x 36".

NEMA 13

NEMA 13 enclosures are intended for indoor use primarily to provide a degree of protection

against dust, spraying of water, oil, and non-corrosive coolant.