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.

Author:Dalrajas Zulusida
Language:English (Spanish)
Published (Last):1 February 2009
PDF File Size:9.43 Mb
ePub File Size:7.46 Mb
Price:Free* [*Free Regsitration Required]

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.

Necessary cookies are absolutely essential for the website to function properly. This category only includes cookies that ensures basic functionalities and security features of the website. These cookies do not store any personal information. Any cookies that may not be particularly necessary for the website to function and is used specifically to collect user personal data via analytics, ads, other embedded contents are termed as non-necessary cookies.

It is mandatory to procure user consent prior to running these cookies on your website. May 10, admin. This website uses cookies to improve your experience. We'll assume you're ok with this, but you can opt-out if you wish. Close Privacy Overview This website uses cookies to improve your experience while you navigate through the website. Out of these cookies, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website.

We also use third-party cookies that help us analyze and understand how you use this website. These cookies will be stored in your browser only with your consent. You also have the option to opt-out of these cookies. But opting out of some of these cookies may have an effect on your browsing experience.

Necessary Always Enabled. Non-necessary Non-necessary.


IEC 664-1 PDF




Related Articles