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Scope and objectives

The scope of this electrical installation handbook is to provide the designer and user of electrical plants with a quick reference, immediate-use working tool. This is not intended to be a theoretical document, nor a technical catalogue, but, in addition to the latter, aims to be of help in the correct definition of equipment, in numerous practical installation situations.

ABB – Electrical Installation Handbook PART I
ABB – Electrical Installation Handbook PART I

The dimensioning of an electrical plant requires knowledge of different factors relating to, for example, installation utilities, the electrical conductors and other components; this knowledge leads the design engineer to consult numerous documents and technical catalogues.

This electrical installation handbook, however, aims to supply, in a single document, tables for the quick definition of the main parameters of the components of an electrical plant and for the selection of the protection devices for a wide range of installations.

Protection and control devices

The main definitions regarding LV switchgear and controlgear are included in the international Standards IEC 60947-1, IEC 60947-2 and IEC 60947-3.


Circuit breaker

A mechanical switching device, capable of making, carrying and breaking currents under normal circuit conditions and also making, carrying for a specified time and breaking currents under specified abnormal circuit conditions such as those of short circuit.


Current-limiting circuit breaker

A circuit-breaker with a break-time short enough to prevent the short-circuit current reaching its otherwise attainable peak value.


Plug-in circuit breaker

A circuit-breaker which, in addition to its interrupting contacts, has a set of contacts which enable the circuit-breaker to be removed.


Withdrawable circuit breaker

A circuit-breaker which, in addition to its interrupting contacts, has a set of isolating contacts which enable the circuit-breaker to be disconnected from the main circuit, in the withdrawn position, to achieve an isolating distance in accordance with specified requirements.


Moulded-case circuit breaker

A circuit-breaker having a supporting housing of moulded insulating material forming an integral part of the circuit-breaker.


Disconnector

A mechanical switching device which, in the open position, complies with the requirements specified for the isolating function.


Release

A device, mechanically connected to a mechanical switching device, which releases the holding means and permits the opening or the closing of the switching device.

Title:Electrical Installation Handbook PART I – ABB
Format:PDF
Size:1.5MB
Pages:168
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Electrical installation handbook - PART II
Electrical installation handbook – PART II

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11 Comments


  1. Mugume Charles
    Nov 19, 2023

    Am very thankful from day one I joined this portal. I have learnt alot must especially technology concerning Electrical engineering.


  2. nilo buenaventura
    Apr 23, 2019

    very helpful to practitioner and students, GOD BLESS and more power to you sir Edvard.


  3. Gulam Ahmed Raza
    Jan 18, 2018

    Sir any update by WhatsApp that is not possible


  4. Jose Maria Parreira Junior
    Jul 12, 2017

    Excellent all articles.


  5. Wawan
    Dec 09, 2016

    Nice … Very good. Thanks..


  6. Benson
    Dec 26, 2013

    I cant find the way to download files from this website. Can someone please guide me with a step by step procedure. I am accessing this website from my mobile.


    • Edvard
      Dec 26, 2013

      Take a look at the table below title ‘Guide information’. There’s field named ‘Download’ and link ‘Right here’.


    • Thet Shwe Wine
      Feb 14, 2017

      You can find engineering book PDF from this website. You can be seen Title,format,size,page and download as you download from right here place.


  7. saeed
    Sep 14, 2011

    hi


  8. leon2754
    Jul 28, 2011

    awesome …galing


  9. marwan fahoum
    Apr 04, 2011

    very good

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