Comments on: New standard IEC61439-2 for low-voltage switchgear and controlgear assemblies http://panelbuilder.electrical-equipment.org/electrical-standards/new-standard-iec61439-2-replaces-iec60439-1-for-low-voltage-switchgear-and-controlgear-assemblies.html Exchange experiences on electrical switchboard activity Fri, 30 Jul 2010 13:26:59 +0200 http://wordpress.org/?v=2.8.4 hourly 1 By: R K Kapur http://panelbuilder.electrical-equipment.org/electrical-standards/new-standard-iec61439-2-replaces-iec60439-1-for-low-voltage-switchgear-and-controlgear-assemblies.html/comment-page-1#comment-2285 R K Kapur Thu, 18 Feb 2010 08:42:10 +0000 Last week I met Jean-Paul Lionet, a member of IEC technical committee who participates to the evolution of Low Voltage Switchgear & Control Gear Assemblies standards. Below is the summary he prepared for me. Don’t hesitate to add your#comment-2285 I feel that Type tests need to repeated for FBA's if devices mounted on them are different from the original test FBA. Different makes of devices have diifernt parameters for watt loss which may effect the temprature rise or different terminal sizes / supporting arrangement etc. which may effect the short circuit withstand of busbars supporting system on ACB's. I feel that Type tests need to repeated for FBA’s if devices mounted on them are different from the original test FBA.

Different makes of devices have diifernt parameters for watt loss which may effect the temprature rise or different terminal sizes / supporting arrangement etc. which may effect the short circuit withstand of busbars supporting system on ACB’s.

]]> By: Ganesh Raykar http://panelbuilder.electrical-equipment.org/electrical-standards/new-standard-iec61439-2-replaces-iec60439-1-for-low-voltage-switchgear-and-controlgear-assemblies.html/comment-page-1#comment-1619 Ganesh Raykar Sun, 03 Jan 2010 03:46:25 +0000 Last week I met Jean-Paul Lionet, a member of IEC technical committee who participates to the evolution of Low Voltage Switchgear & Control Gear Assemblies standards. Below is the summary he prepared for me. Don’t hesitate to add your#comment-1619 Dose we need to retest our samples which were tested recently under the old standard? Dose we need to retest our samples which were tested recently under the old standard?

]]> By: Dan http://panelbuilder.electrical-equipment.org/electrical-standards/new-standard-iec61439-2-replaces-iec60439-1-for-low-voltage-switchgear-and-controlgear-assemblies.html/comment-page-1#comment-1188 Dan Wed, 25 Nov 2009 17:56:32 +0000 Last week I met Jean-Paul Lionet, a member of IEC technical committee who participates to the evolution of Low Voltage Switchgear & Control Gear Assemblies standards. Below is the summary he prepared for me. Don’t hesitate to add your#comment-1188 interesting question from Joy : I decided to give my point of view <a href="http://panelbuilder.electrical-equipment.org/electrical-standards/iec-61439-frequently-asked-questions-part-4.html" rel="nofollow">in this dedicated article</a>, for better visibility by others interesting question from Joy : I decided to give my point of view in this dedicated article, for better visibility by others

]]> By: Gustavo Pérez Izquierdo http://panelbuilder.electrical-equipment.org/electrical-standards/new-standard-iec61439-2-replaces-iec60439-1-for-low-voltage-switchgear-and-controlgear-assemblies.html/comment-page-1#comment-1149 Gustavo Pérez Izquierdo Wed, 11 Nov 2009 22:33:22 +0000 Last week I met Jean-Paul Lionet, a member of IEC technical committee who participates to the evolution of Low Voltage Switchgear & Control Gear Assemblies standards. Below is the summary he prepared for me. Don’t hesitate to add your#comment-1149 The use of electrical protections of the same brand is very important when you desing an electrical system because it´s the only way to satisfay the requirements about coordination (selectivity and shortcircuit energy limitation). All the electrical protections are located in electrical swithboards and panelboards then all of them have to belong the same manufacturer. When you use electrical protections from different brands or manufacturers, it´s impossible to achieve it. On the other hand, it´s very important to comply with IEC 439-2 standard because you can offer a tested assembly to your clients if you follow all the manufacturer recomemdations about it, for example, the Prisma Plus System from Schneider Electric. The IEC 439-2 states ten tests that you have to do, the manufacturer makes seven of them in the factory and you have only to do three tests at your workshop. It´s true that the type tested assemblies are much more expensive, but you can achieve much more security and reliability and as a result much more reliability in the electrical service continuity. The use of electrical protections of the same brand is very important when you desing an electrical system because it´s the only way to satisfay the requirements about coordination (selectivity and shortcircuit energy limitation). All the electrical protections are located in electrical swithboards and panelboards then all of them have to belong the same manufacturer. When you use electrical protections from different brands or manufacturers, it´s impossible to achieve it.
On the other hand, it´s very important to comply with IEC 439-2 standard because you can offer a tested assembly to your clients if you follow all the manufacturer recomemdations about it, for example, the Prisma Plus System from Schneider Electric. The IEC 439-2 states ten tests that you have to do, the manufacturer makes seven of them in the factory and you have only to do three tests at your workshop. It´s true that the type tested assemblies are much more expensive, but you can achieve much more security and reliability and as a result much more reliability in the electrical service continuity.

]]> By: Joy http://panelbuilder.electrical-equipment.org/electrical-standards/new-standard-iec61439-2-replaces-iec60439-1-for-low-voltage-switchgear-and-controlgear-assemblies.html/comment-page-1#comment-1117 Joy Sun, 01 Nov 2009 13:26:02 +0000 Last week I met Jean-Paul Lionet, a member of IEC technical committee who participates to the evolution of Low Voltage Switchgear & Control Gear Assemblies standards. Below is the summary he prepared for me. Don’t hesitate to add your#comment-1117 Does the new standard , require the panel builder to supply only ,the same branded circuit breakers ,which were used on the type tested assembly in their client panels ? Is so , doesn't it limit the available options for the panel builder as he will be restricted with only one brand of circuit breakers for all his future projects? Does the new standard , require the panel builder to supply only ,the same branded circuit breakers ,which were used on the type tested assembly in their client panels ?

Is so , doesn’t it limit the available options for the panel builder as he will be restricted with only one brand of circuit breakers for all his future projects?

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