Dan The Panel Builder Blog

Surge protector in switchboards > 50kA ?

Dan — Sun, 21 Feb 2010 21:48:43 +0000

I would like to share a problem I face when I have to install a surge protection device type 1 in high power electrical switchboard. The situation is very “unconfortable” for me as a quality provider, because if a short-circuit of high value happens, though luckily probability is low, it would mean very serious safety risks [...]

2010: new ideas, your opinion ?

Dan — Wed, 27 Jan 2010 23:58:52 +0000

For 2010, I’d like to continue to make this place more visible, invite more of you to share their point of view on my blog, keeping the focus on technical and business exchanges around panel building profession. To support this development, I am considering different ideas : 1/ create a limited space opened to advertizing (limited size, [...]

You wish to write an article in this Blog

Dan — Thu, 17 Dec 2009 15:03:23 +0000

Very simple: describe the topic you wish to write about, as a comment of this article I will exchange by mail with you to prepare the publication DAN

IEC 61439 : frequently asked questions (part 4)

Dan — Wed, 25 Nov 2009 17:46:45 +0000

Answer to a question asked by Joy in another post, which I copied here : “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 [...]

Training courses for panel builders: what, where?

Dan — Tue, 17 Nov 2009 18:16:25 +0000

Do you know a lot of existing trainings dedicated to panel builders? Heard about a “panel builder university” somewhere worldwide? I don’t !! Read below the point of view and experience of Denis LAUDREN, who has been involved in panel building for many years, and who develops and animates today some training courses dedicated to panel builders. DAN ____________________________________________________________________________________ DAN: ” [...]

New IEC 61439: what impacts for you today?

Dan — Mon, 26 Oct 2009 18:08:44 +0000

The articles I already wrote about the new IEC61439-2 standard for LV switchboards are among the most visited parts of my blog. But I still wonder what are the practical impacts of this new standard for you, in your country, and today? I propose to share here this picture of the situation: * if [...]

Panel builder business software: buy an existing erp package or develop your own solution?

Dan — Fri, 23 Oct 2009 19:48:34 +0000

Mr Gilles FRADIN, manager of ITEC, panel builder in France, explains how they came to the decision of developing their own business software (erp) rather than choosing an existing business software package on the market. And also shares the status of their project and the expected benefits … We are more than interested in hearing [...]

Busbar sizing: FORMULA, THUMB RULE, TABLE ?

Dan — Tue, 29 Sep 2009 13:03:59 +0000

I’ve seen a number of “thumb rules” examples on CR4 forum : “0.6 amps per sq mm in case of Aluminium and 1.25 amps per sq.mm for Copper” ” for Aluminum 0.8 amps for sq.mm, for copper is 1.25 Amps per sq.mm” “0.6Amp/mm2 is fine for Alu, 1 Amp/mm2 is fine for OFHC Copper” There are also some general [...]

How to optimize copper stock and copper drops?

Dan — Fri, 28 Aug 2009 15:16:39 +0000

. Practical tips to optimize copper stock, reduce copper drop, and win time during projects… Don’t hesitate to share your own ideas about copper or busbar optimization as comments. With today high copper price, it’s worth sharing ideas! Dan . . . . • To have in stock not too long busbar: for example if the need is for 2 meters, do not order 3 [...]

IEC 61439 : frequently asked questions (part 3)

Dan — Mon, 27 Jul 2009 07:30:59 +0000

Here are simple answers to 3 other questions about the new IEC standard : 7. Which of the original manufacturer and of the switchboard manufacturer is responsible for the switchboard? The new standard takes better into account the organisation of the market and clarifies the allocation of responsibilities. As before, the panelbuilder is responsible for the final switchboard [...]