IEEE C62.43.1-2020
IEEE Guide for Surge Protectors and Surge Protective Circuits Used in Information and Communication Technology Circuits (ICT), Including Smart Grid--Part 1 Applications
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About This Item
IEEE C62.43.1-2020 is a technical guide for surge protectors and surge protective circuits used in information and communication technology circuits, including smart grid applications. It addresses how these protective components are applied in ICT equipment and related power and control environments, where transient protection can affect reliability and service continuity. For engineers, specifiers, and procurement teams, the standard helps define a clearer basis for selection and design in systems that combine computing, communications, and energy-related interfaces.
IEEE C62.43.1-2020 overview
This standard provides guidance on the application of surge protective devices and circuits in ICT-focused installations and equipment. IEEE C62.43.1-2020 is especially relevant where communication lines, control circuits, and connected electronic systems must withstand voltage surges without compromising operation. Its technical context sits between component-level protection and system-level integration, making it useful when evaluating protective approaches, interface requirements, and design assumptions for sensitive electronics in power, energy, and computing environments.
Typical use cases
IEEE C62.43.1-2020 is commonly used when designing or reviewing protection for telecom and data communication interfaces, networked control equipment, and ICT circuits associated with smart grid infrastructure. It can also support product planning for surge protectors integrated into devices that link processing equipment with field connections, sensor networks, or utility communication paths. The guide is relevant wherever transient events may enter through signaling or interconnection circuits and where consistent protective practice is needed across related systems.
Why this standard matters
Surge protection decisions can influence equipment reliability, downtime, and long-term performance, especially in mixed ICT and energy-related applications. IEEE C62.43.1-2020 helps create a more consistent basis for engineering review, testing expectations, and product comparison. By aligning protection concepts with the intended circuit application, it may reduce design ambiguity and support better compliance decisions. That is valuable for organizations that need repeatable specification control and a defensible approach to transient protection.
- Surge protectors for ICT circuits
- Protective circuits in communication interfaces
- Smart grid-connected electronics
- Component and system application guidance
- Transient protection design reference
- Publication Date: 2020
- Standard Status: Active
- Publisher: IEEE
- Subject: Components, Circuits, Devices and Systems; Power, Energy and Industry Applications; Computing and Processing
- Official IEEE: Doi link
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