For Switchgear - Metal-Enclosed Low-Voltage AC Power Circuit Breaker Switchgear Assemblies-Conformance Test Procedures Amendment 1: Short-Time Withstand Current Tests (Amendment 1 to C37.51)
Foreword This amendment has been developed to coordinate selected conformance tests and procedures with ANSI/IEEE C37.20.1-2002 Metal-Enclosed Low-Voltage AC Power Circuit Breaker Switchgear@ and particularly@ to recognize the amendment C37.20.1a-2005. C37.51 is published separately from ANSI/IEEE C37.20.1-2002 and C37.20.1a-2005 to facilitate its use and to permit timely revisions based on experience.