IEEE C37.04a-2025

IEEE Standard for Ratings and Requirements for AC High-Voltage Circuit Breakers with Rated Maximum Voltage Above 1000 V Amendment 1: Changes to Construction Requirements and Clarification of Certain Related Required Capabilities

Amendment by IEEE , 09/24/2025

Publisher: IEEE

File Format: PDF

$29.00$58.00

Description

This amendment will address items discovered by users related to discrepancies with other industry standards: -Harmonize pollution levels for normal service condition. -Improve definition of low temperature requirements. -Further define requirements for capacitive switching class C0. -Clarify required electrical service capability. -Harmonize temperature limitations for contacts in non-oxidizing gases. -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.

Published: 09/24/2025

Pages: 16

File Size: 1 file , 570 KB

ISBN: 9798855726817, 9798855724615, 9798855724622

Language: English

Note: This product is restricted and cannot be purchased in the following countries Belarus, Russia, Ukraine