TC 70 - Degrees of protection provided by enclosures

Refers to the classification of the degrees of protection provided by enclosures against external mechanical impacts when the rated voltage of the protected equipment is not greater than 72,5 kV. This standard is only applicable to enclosures of equipment where the specific standard establishes degrees of protection of the enclosure against mechanical impacts (expressed in this standard as "impacts").

The contents of the corrigendum of January 2019 have been included in this copy.

Applies to the classification of degrees of protection provided by enclosures for electrical equipment with a rated voltage not exceeding 72,5 kV. The contents of the corrigenda of January 2003, of September 2007 and of October 2009 have been included in this copy.
This consolidated version consists of the second edition (1989) and its amendment 1 (1999). Therefore, no need to order amendment in addition to this publication.

Specifies details and dimensions of test probes intended to verify the protection provided by enclosures with regard to: - protection of persons against access to hazardous parts inside the enclosure; - protection of the equipment inside the enclosure against ingress of solid foreign objects. This International Standard brings together in publication object probes and access probes currently specified in other standards, together with any new probes. Has the status of a basic safety publication in accordance with IEC Guide 104. The contents of the corrigendum of January 2003 have been included in this copy.

IEC 60529:1989 Applies to the classification of degrees of protection provided by enclosures for electrical equipment with a rated voltage not exceeding 72,5 kV.