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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Busbar Systems: Copper or Aluminium? Selection Criteria
A practical comparison of copper and aluminium busbars in terms of conductivity, cross-section, weight, cost and joint reliability.
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What Is a Main Distribution Board (MDB)? Differences From Sub-Distribution Panels
A main distribution board receives incoming power from the transformer and distributes it to every downstream point. Function, components, differences from sub-distribution panels and sizing criteria.
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Electrical Panel Maintenance: Periodic Inspection and Safety Recommendations
Quick answer Electrical panel maintenance: Electrical panel maintenance refers to the regular inspection and preventative measures that must be taken to ensure the panel’s safe and…
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Harmonics and Power Quality: Harmonic Filtering in Switchboards
Quick answer Harmonic filtering: Harmonics are distortions in the mains current and voltage waveform caused by nonlinear loads (such as frequency inverters, LED drivers, UPSs, and…
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What is Reactive Power Compensation? Benefits of Compensation Panels
Quick answer Reactive power compensation: Reactive power compensation is the process of improving the power factor by using capacitor banks to compensate for the reactive power…
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What is a Motor Control Center (MCC)? Structure and Applications
Quick answer Motor control center: A Motor Control Center (MCC) is a control panel system in which numerous electric motors in a facility are powered, controlled,…
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What is Short Circuit Withstand (ICW)? Short Circuit Protection in Electrical Panels.
Quick answer Short circuit resistance: Short-circuit withstand capability is the ability of an electrical panel to withstand high currents and mechanical forces generated during a short…
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What is a Medium Voltage (MV) Switchgear? Metal-Clad and RMU Switchgear.
Quick answer Medium voltage switch: Contents Types of Medium Voltage Switches Insulation Technologies Relevant Standard: IEC 62271 Frequently Asked Questions Key takeaways: medium voltage switch Related…
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What is the IEC 61439 Standard? Type Testing and Conformity in Low Voltage Switchgear.
Quick answer IEC 61439: IEC 61439 is the fundamental international standard for low-voltage switching and control devices (panels). It defines the design and verification rules that…
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