IEC 664-1 PDF

Do you need a multi-user copy? Our prices are in Swiss francs CHF. We accept all major credit cards American Express, Mastercard and Visa , PayPal and bank transfers as form of payment. Preview Abstract IEC Deals with insulation coordination for equipment within low-voltage systems. It applies to equipment for use up to 2 m above sea level having a rated voltage up to a.

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IEC has established four degrees of pollution severity: Pollution Degree 1: No pollution or only dry, nonconductive pollution occurs. The pollution. Office and laboratory areas are considered pollution 2 environments according to safety standards and certification bodies. See table 1 for examples of each of these environments [2,3]. Conductive pollution or dry nonconductive pollution that becomes conductive due to condensation occurs.

To be found in industrial environment or construction sites harsh environments. The pollution generates persistent conductivity caused by conductive dust, rain, or snow. Normally only nonconductive pollution occurs. Temporary conductivity caused by condensation is to be expected. Any equipment designed for, or placed in a test station environment should have a pollution degree 2 rating in order to meet recognized safety standards. Learn more about our privacy policy.

Pollution degree is a classification according to the amount of dry pollution and condensation present in the environment. Pollution degree 3 is a harsher environment typical in many industrial manufacturing areas.

This site uses cookies to offer you a better browsing experience. Examples of pollution degree environments. Affect of Pollution degree on safety distances. No pollution or only dry, nonconductive pollution occurs.

Office and laboratory areas are considered pollution degree 2 environments according to safety standards and certification bodies. Rate this document Select a Rating 1 — Poor 2 3 4 5 — Excellent. This classification is important since it affects creepage and clearance distances required to insure the safety of a product. The pollution has no effect. Examples of pollution degree environments Clearly, ATE environments i.

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IEC 664-1 PDF

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