NEMA and IP


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What is NEMA and IP?

Are NEMA enclosure classes the same as IP?

Although each system uses a very different numbering scheme, some of the IP and NEMA classes are reciprocal.

Which of NEMA and IP should I use?

It depends where you are. In Europe and Asia, IP classes are used to determine sealing protection. In North America, NEMA is more common. However, more and more companies are using IP classes as standard.

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IP CLASS EQUIVALENTSNEMA VALUEDESCRIPTION

IP10

NEMA 1

Internal layout. Protects against falling debris.

IP11

NEMA 2

Internal layout. Protects against falling debris and dripping water.

IP14

NEMA 3

Exterior layout. Protects against rain, sleet and windborne dust. Also protects against damage due to icing on the outside of the panel.

IP14

NEMA 3R

Exterior layout. Protects against rain and sleet. It also protects against ice damage on the outside of the panel.

IP14

NEMA 3S

Interior and exterior layout. Protects against rain, sleet and wind-borne dust. In addition, the external mechanisms are ready for operation despite ice deposits.

IP52

NEMA 12

Internal layout. Protects against falling debris, flying dust and dripping liquids that will not cause corrosion.

IP54

NEMA 13

Interior layout. Protects against dust, falling debris, gushing water, oil and non-corrosive coolants.

IP66

NEMA 4

Interior or exterior layout. Protects against wind-borne dust, rain, gushing water and hostum water. Also protects against damage due to icing on the outside of the panel.

IP66

NEMA 4X

Interior or exterior layout. Protects against wind-dust, rain, gushing water, hose water and corrosion. Also protects against damage due to icing on the outside of the panel.

IP66

NEMA 5

Internal layout. Protects against falling debris, airborne dust that settles on the floor and dripping liquids that will not cause corrosion.

IP67

NEMA 6

Internal and external layout. Protects against falling debris, hose water, water ingress in case of occasional and partial submersion at a certain depth. It also protects against damage due to icing on the outside of the panel.

IP67

NEMA 6P

Internal and external layout. Protects against hose water and water ingress in case of prolonged submersion at a certain depth. Also protects against damage due to icing on the outside of the panel.


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