Technical articles on electrical panels, low and medium voltage systems, standards, protection classes and field applications are published on the Devpan articles page. For corporate announcements and fair news, please visit our News page.
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Cable Zone and Cable Entry Design: Common Switchboard Mistakes
Determining cable zone depth, calculating bending radii and detailing cable entries correctly.
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Sizing the Neutral and Earth Bars in a Switchboard
Determining neutral and earth bar cross-sections, the influence of harmonics and continuity requirements.
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Short Circuit Withstand in Switchboards: Icw, Ipk and Conditional Rating
The meaning of Icw, Ipk and conditional short circuit current and how to determine them correctly.
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Switchboard Heat Load Calculation and Choosing a Cooling Solution
Calculating internal power losses, the heat an enclosure can reject and how to select the right cooling solution.
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Enclosure Material and Powder Coating: How to Choose Correctly
Comparing enclosure materials on corrosion, cost and weight, and the steps of a sound powder coating process.
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IK Impact Rating Explained: IK07, IK08 and IK10 Compared
The meaning of the IK code, the impact energy behind each class and how to select the right rating for an enclosure.
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Withdrawable Switchboard Architecture: How It Works and When to Use It
How withdrawable switchboard architecture works, how it compares with fixed and plug-in designs and when it pays off.
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Form 1, 2b, 3b and 4b Internal Separation Explained
What the IEC 61439 internal separation forms mean, how they differ and the criteria for choosing the right one.
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Busbar Derating Calculation: How to Correct Current Carrying Capacity
The factors that limit busbar current capacity, the derating coefficients involved and a step by step worked example.
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