IEEE PC37.74/D4.2, Apr 2025
Interrupter Switchgear for Alternating Current Systems up to and including 38 kV
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About This Item
PC37.74/D4.2, Apr 2025 is a technical document for interrupter switchgear used in alternating current systems up to and including 38 kV. It is relevant to power, energy, and industrial applications where medium-voltage switching equipment must be specified with care. This draft standard helps define the expected technical framework for design, ratings, and performance considerations, supporting clearer comparison, engineering review, and procurement decisions for AC switchgear equipment.
Overview of PC37.74/D4.2, Apr 2025
PC37.74/D4.2, Apr 2025 addresses interrupter switchgear intended for AC systems at medium-voltage levels up to 38 kV. In practical terms, it sits in the technical space between general power distribution needs and the specific requirements of switchgear equipment used to interrupt current under defined operating conditions. For engineers, specifiers, and buyers, the standard provides a focused reference point for evaluating equipment characteristics, application suitability, and consistency in documentation and testing.
Typical use cases
This standard is typically relevant when selecting or reviewing interrupter switchgear for substations, industrial distribution systems, and utility-connected installations operating within the 38 kV range. It may also support equipment specification for feeder switching, sectionalizing, and controlled interruption duties in power and energy environments. In projects involving medium-voltage switching assemblies, PC37.74/D4.2, Apr 2025 can help align technical expectations across design, procurement, and acceptance workflows.
Why it matters
Standards like PC37.74/D4.2, Apr 2025 matter because interrupter switchgear must perform reliably under electrical stress while meeting defined engineering requirements. Using a common technical reference can improve consistency in design reviews, simplify supplier comparison, and reduce uncertainty during testing and acceptance. For medium-voltage systems, that consistency supports safer operation, better compliance planning, and more predictable equipment performance over the life of the installation.
- Interrupter switchgear for AC systems up to 38 kV
- Medium-voltage power and industrial applications
- Design, rating, and performance reference
- Specification and procurement support
- Testing and compliance alignment
- Publication Date: 2025
- Standard Status: Inactive
- Publisher: IEEE
- Subject: Power, Energy and Industry Applications
- Official IEEE: Doi link
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