What is IEC 60947-1 (2007)?
What is IEC 60947-1 (2007)?
IS/IEC 60947-1 (2007): Low-voltage switchgear and controlgear, Part 1: General rules Disclosure to Promote the Right To Information
Is 13947(Part 1) superseded by IEC standard 1993?
This standard supersedes IS 13947 (Part 1) : 1993 ‘Specification for low-voltage switchgear and controlgear: Part 1 General rules’. The text of IEC Standard has been approved as suitable for publication as an Indian Standard without deviations. Certain conventions are, however, not identical to those used in Indian Standards.
Is IEC 60439-1 still in effect for switchgear combinations?
For switchgear combinations the standard IEC 60439-1 is referred to that is in effect at issuance of this document. It is expected that IEC 61439-1 will shortly replace IEC 60439-1.
What does 60947-4-2 stand for?
IS/IEC 60947-4-2 (1999): Low-Voltage Switchgear and Controlgear : Part 4 – Contractors and Motor-Starters, Section 2: ac Semiconductor Motor Controllers and Starters [ETD 7: Low Voltage Switchgear and Controlgear] lS/lEC 60947-4-2:1999