IEEE PC37.20.2

Detailinformationen

Bezeichnung: IEEE PC37.20.2

Ausgabedatum: 10.03.2026

Seiten: 0

Land: Internationale technische Norm

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Annotation

Revision Standard - Active - Draft.
Metal-clad (MC) medium-voltage switchgear that contains draw-out electrically operated circuit breakers is covered. MC switchgear is compartmentalized to isolate components such as instrumentation, main bus, and both incoming and outgoing connections with grounded metal barriers. Ranges from 4.76 kV to 48.3 kV with main bus continuous current ratings of 1200 A, 2000 A, 3000 A, and 4000 A are the rated maximum voltage levels for metal-clad switchgear . Associated control, instruments, metering, relaying, protective, and regulating devices, as necessary, are also contained by MC switchgear. Service conditions, ratings, temperature limitations and classification of insulating materials, insulation (dielectric) withstand voltage requirements, test procedures, and applications are discussed.

ISBN: 979-8-8557-2753-1
Number of Pages: 91
Product Code: STDAPE28365
Keywords: control, cumulative loading, current transformers, draw-out, IEEE C37.20.2(TM), indoor, instrumentation, load current-carrying, metal-clad (MC) switchgear, metal-enclosed (ME) power switchgear, outdoor, protection, switchgear assemblies, transformer accuracy, voltage transformers
Category: Switchgear
Draft Number: PC37.20.2/D4, Oct 2025 - APPROVED DRAFT