• IEEE PC37.09a:2025

IEEE PC37.09a:2025

IEEE Approved Draft Standard Test Procedures for AC High-Voltage Circuit Breakers with Rated Maximum Voltage Above 1000 V Amendment 1: Modifications to test procedures

standard by IEEE , 08/26/2025

Publisher: IEEE

File Format: PDF

$29.00$59.00


IEEE PC37.09a PDF

This amendment implements corrections and adds new information essential to properly test AC high-voltage circuit breakers as well as further harmonize this document with other industry standards. Considered modifications are regarding the TRV values and their harmonization with IEC 62271-100 and IEEE C37.016, introduction of alternative testing procedures for T100s or introduction of an integrity check for vacuum circuit breakers.

More Standards PDF

IEC 60695-10-2 Ed. 2.0 b:2003
IEC 61300-2-44 Ed. 1.0 b:2004
IEC 62053-11 Ed. 1.0 b:2003
IEC 60300-3-1 Ed. 2.0 b:2003