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IEEE PC37.04a
IEEE Approved Draft Standard for Ratings and Requirements for AC High-Voltage Circuit Breakers with Rated Maximum Voltage Above 1000 V - Amendment 1
NORMA vydaná dňa 26.8.2025
Informácie o norme:
Označenie normy: IEEE PC37.04a
Poznámka: Zmena
Dátum vydania normy: 26.8.2025
Kód tovaru: NS-1223183
Približná hmotnosť: 300 g (0.66 libier)
Krajina: Medzinárodná technická norma
Kategória: Technické normy IEEE
Anotácia textu normy IEEE PC37.04a :
Amendment Standard - Active - Draft.
This amendment will address items discovered by users 1 related to discrepancies with other industry standards: Harmonize pollution levels for normal service condition. Further define requirements for capacitive switching class C0. Clarify required electrical service capability. Improve definition of interrupting time. Implement requirements from IEEE C37.11 which are more properly in C37.04 Align material imported from NEMA SG-4 with current industry practices.
ISBN: 979-8-8557-1945-1, 979-8-8557-1945-1
Number of Pages: 16
Product Code: STDUD27762, STDAPE27762
Keywords: pollution levels, capacitive current switching, interrupting time, electrical endurance, operating duty, electrical controls, bushing transformers, TEST
Category: Switchgear
Draft Number: PC37.04a/D2.2, Feb 2025 - UNAPPROVED DRAFT, PC37.04a/D2.2, Feb 2025 - APPROVED DRAFT
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