Published: 4 November 2011
Category: Q&A
Puttur Ramachandran Devendran asks about standards relating to switchgear. His question is answered by Schneider Electric (Theme - Regulations & Legislation):
This Q & A is one of thousands posted in our Technical Expertise area, and answered on a daily basis by our Voltimum Experts.
Question: In terms of miniature circuit breaker (MCB) dimensions, where did the breaker construction dimensions come from?
Also, for the 17.5mm size, how was this arrived at, and are there any standard references for the dimensions to be maintain in order to design an MCB - SP?
Please provide the standard clauses and references that will help to us.
Answer: The dimensions originated from the German DIN standard, and relate to the universal type DIN rail and module accessories mounting system.
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