IEEE P62.42.2/D5, Sept 2020
Oxide Varistors (MOVs)
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About This Item
P62.42.2/D5, Sept 2020 is a technical standard focused on oxide varistors (MOVs), components commonly used to help limit transient overvoltage in electrical and electronic systems. In the context of components, circuits, devices and systems, it is relevant to engineering work where surge suppression, insulation coordination, and component reliability matter. This specification can help define expectations for MOV performance and evaluation, supporting more consistent design and procurement decisions.
About P62.42.2/D5, Sept 2020
P62.42.2/D5, Sept 2020 addresses oxide varistors as a defined component category, with emphasis on how they are identified, assessed, and applied in electrical equipment. As a standards document, it is typically used to align engineering and testing practices around the behavior of MOVs under voltage stress. For teams working on power and energy applications, the standard can provide a focused reference for comparing product suitability and supporting controlled use in designs where surge protection is important.
Where is P62.42.2/D5, Sept 2020 used?
This standard is generally used in systems that rely on MOVs for transient protection, such as power conversion equipment, industrial control panels, distribution-related assemblies, and electronic devices exposed to switching surges or lightning-related disturbances. P62.42.2/D5, Sept 2020 is relevant wherever oxide varistors are selected for clamping voltage and protecting downstream circuitry. It is especially useful in design, qualification, and procurement workflows that need a clear technical basis for component consistency.
Importance in practice
In practice, P62.42.2/D5, Sept 2020 helps reduce uncertainty when specifying and evaluating MOVs for protection duties. A consistent standard supports clearer compliance decisions, more repeatable testing, and better alignment between design intent and component performance. That matters when transient protection is part of the safety or reliability strategy for equipment. For buyers and engineers, the standard can also improve comparability across parts and help manage risk in applications where overvoltage events may affect operation or service life.
- Oxide varistor (MOV) technical context
- Transient and surge protection reference
- Component selection and evaluation aid
- Power, energy, and industrial applications
- Publication Date: 2020
- Standard Status: Inactive
- Publisher: IEEE
- Subject: Components, Circuits, Devices and Systems; Power, Energy and Industry Applications
- Official IEEE: Doi link
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