Telephone: +41 22 02 11 Telefax: +41 22 03 00 E-mail: [email protected] Web: INTERNATIONAL. STANDARD. IEC. Third edition. So how many are aware of the difference between these two Standards? I had these highlighted to me a few years ago and it was news to me. BS EN applies to circuit-breakers, the main contacts of which are intended to be connected to circuits, the rated voltage of which.
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Some breakers are suitable for use in both and environments but with a derated capacities. Free to use BIM project management tool provides step-by-step help to define, manage and validate responsibility for information development and delivery at each stage of the asset life cycle in level 2 BIM projects. In any case you should pay attention on technical characteristics of devices like: What is the right thing to say if they questioned us why we offered 6kAIC breaker?
Your name or email address: But somewhere on the breaker it says Icu 20 KA. Procurement managers in utilities, too, can get things wrong.
Thanks for your reply. Icu, Ics, Ue, Uimp, pollution degree, ect.
BS or BS | Electricians Forum | Talk Electrician Forum | Electrician’s Talk
Whereas 60974-2 industrial b, usual values of Uimp is 6 or 8kV, in line with the position of the circuit-breaker, at the origin of the installation. Users found this page by searching for: Want access to British Standards? I had these highlighted to me a few years ago and it was news to me.
Kindly let me know if it is available on the Schneider site appreciate if Schneider can up load a youtube video Reply Dear Sumedha, Test procedures are explained in the mentioned standards.
Posting a message to the forum will remove the above advertisement. I have never confused them yet maybe because its not much since I started working.
BS EN Low-voltage switchgear and controlgear. Circuit-breakers
Reply Leave a Reply Click here to cancel reply. The Red document status indicator indicates that the document is an old version The document has likely been withdrawn by the publisher, also the meta data presented here may be out of date as it is no longer being maintained by sb editorial teams at NBS.
Hello Lim, It is higher because of lower Icu breaking capacity ratio to service breaking capacity Ics, eg. And I did engineering from electronics and 609472 in Like x 2 Informative x 2.
IEC 60898-1 and IEC 60947-2: a tale of two standards
IEC requires 4kV, in line with the use for final circuits. In your given example its not exactly as you name it: That is the reason why enn we meet limited number of printed technical information on CBs. They protect electrical power distribution of up to volts a. The history of standard IEC may have something to do with it.
I have started working in the industrial sector and am having trouble completing test certs for installations fed from panels. This standard does not deal with the verification of operation under such pre-determined conditions. Good luck for your job search!
Which one if for homes, which one for industry? I would really appreciate any help provided.
Featured Bloggers Atin Chhabra. Click here to find out how to access this document. The best way to avert them is tightly worded, highly enforced national regulations. With additional requirements for integrally fused circuit-breakers.