LV switchgear: functions and selection: Difference between revisions

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=== [[The basic functions of LV switchgear]] ===
----            define HERE the LETTER of this chapter (A...S). It is then used in different places further below, in this page
* [[LV switchgear functions - Electrical protection]]
-------------------------v-------------------------------------------------------------------------------------------------
* [[LV switchgear functions - Isolation]]
---->{{#vardefine:letter|H}}<!--
* [[LV switchgear functions - Switchgear control]]
=== [[The switchgear]] ===
* [[Elementary switching devices]]
* [[Combined switchgear elements]]
=== [[Choice of switchgear]] ===
* [[Switchgear selection]]
* [[Tabulated functional capabilities of LV switchgear]]
=== [[Circuit-breaker]] ===
* [[Standards and description of circuit-breakers]]
* [[Fundamental characteristics of a circuit-breaker]]
* [[Other characteristics of a circuit-breaker]]
* [[Selection of a circuit-breaker]]
* [[Coordination between circuit-breakers]]
* [[Discrimination MV/LV in a consumer’s substation]]
* [[Circuit-breakers suitable for IT systems]]
* [[Ultra-rapid circuit breaker]]
=== [[Maintenance of low voltage switchgear]] ===




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---- Description text for this chapter - START
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The three basic functions provided by low voltage switchgear for the related electrical circuit are:
* Electrical protection
* Isolation
* Local or remote switching


[[ru:Низковольтная распределительная аппаратура]]
This chapter explains these functions, describes the most common types of low voltage protection and/or control switchgear. With a special focus on circuit-breakers: their characteristics, and how to select circuit-breakers, taking into account selectivity and cascading techniques.
[[zh:开关设备：功能和选择]]
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---- Description text for this chapter - END
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{{Related-guides-intro}}
{{RelatedGuide
|image=Hp-highlight-selectivity-guide.png
|title=Selectivity, Cascading and Coordination Guide
|text=Get all required information to verify your electrical distribution design's robustness, considering overloads and short circuits.
 
Combine the benefits of selectivity and cascading to maximize power availability of your LV design at optimized cost.
 
Find Schneider Electric's coordination data for ACBs, MCCBs, MCBs, switches, busbar trunking (busways), motor starters and more.
|btn-text=Download the guide (.pdf)
|link=https://www.se.com/ww/en/download/document/LVPED318033EN/
}}

Latest revision as of 13:46, 26 January 2024

Banner-chapter H.jpg

The three basic functions provided by low voltage switchgear for the related electrical circuit are:

  • Electrical protection
  • Isolation
  • Local or remote switching

This chapter explains these functions, describes the most common types of low voltage protection and/or control switchgear. With a special focus on circuit-breakers: their characteristics, and how to select circuit-breakers, taking into account selectivity and cascading techniques.

Chapter H - Contents


Related technical guides

Download the guide (.pdf)
Selectivity, Cascading and Coordination Guide
Get all required information to verify your electrical distribution design's robustness, considering overloads and short circuits.

Combine the benefits of selectivity and cascading to maximize power availability of your LV design at optimized cost.

Find Schneider Electric's coordination data for ACBs, MCCBs, MCBs, switches, busbar trunking (busways), motor starters and more.
Download the guide (.pdf)
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