UL 1558 BULLETIN-2011
UL Standard for Safety Metal-Enclosed Low-Voltage Power Circuit Breaker Switchgear

Standard No.

UL 1558 BULLETIN-2011

Release Date

2011

Published By

Underwriters Laboratories (UL)

Status

Be replaced 2016-11

Replace By

UL 1558 BULLETIN-2013

Latest

UL 1558 BULLETIN-2019

Scope

These requirements cover metal-enclosed low-voltage power circuit breaker switchgear assemblies containing but not limited to such devices as low-voltage power circuit breakers@ other interrupting devices@ switches@ control@ instrumentation and metering@ protective and regulating equipment. These requirements cover equipment intended for use in ordinary locations in accordance with the National Electrical Code. These requirements are intended to supplement and be used in conjunction with the Standard for Metal-Enclosed Low Voltage Power Circuit Breaker Switchgear@ ANSI C37.20.1@ and the Standard for Conformance Testing of Metal-Enclosed Low-Voltage AC Power Circuit Breaker Switchgear Assemblies@ ANSI C37.51. These requirements cover equipment rated 600 V ac or less nominal@ 635 V ac maximum.

UL 1558 BULLETIN-2011 history

• 2019 UL 1558 BULLETIN-2019 UL Standard for Safety Metal-Enclosed Low-Voltage Power Circuit Breaker Switchgear (COMMENTS DUE: March 25@ 2019)
• 1970 UL 1558-2019 UL Standard for Safety Metal-Enclosed Low-Voltage Power Circuit Breaker Switchgear
• 2018 UL 1558 BULLETIN-2018 UL Standard for Safety Metal-Enclosed Low-Voltage Power Circuit Breaker Switchgear
• 2017 UL 1558 BULLETIN-2017 UL Standard for Safety Metal-Enclosed Low-Voltage Power Circuit Breaker Switchgear (COMMENTS DUE: May 29@ 2017)
• 2016 UL 1558 BULLETIN-2016 UL Standard for Safety Metal-Enclosed Low-Voltage Power Circuit Breaker Switchgear (COMMENTS DUE: October 24@ 2016)
• 2016 UL 1558-2016 UL Standard for Safety Metal-Enclosed Low-Voltage Power Circuit Breaker Switchgear (Fifth Edition; Reprint with Revisions Through and Including November 7@ 2016)
• 2015 UL 1558 BULLETIN-2015 UL Standard for Safety Metal-Enclosed Low-Voltage Power Circuit Breaker Switchgear (COMMENTS DUE: November 17@ 2015)
• 2014 UL 1558 BULLETIN-2014 UL Standard for Safety Metal-Enclosed Low-Voltage Power Circuit Breaker Switchgear
• 2013 UL 1558 BULLETIN-2013 UL Standard for Safety Metal-Enclosed Low-Voltage Power Circuit Breaker Switchgear
• 2011 UL 1558 BULLETIN-2011 UL Standard for Safety Metal-Enclosed Low-Voltage Power Circuit Breaker Switchgear
• 2009 UL 1558 BULLETIN-2009 UL Standard for Safety Metal-Enclosed Low-Voltage Power Circuit Breaker Switchgear (COMMENTS DUE: August 17@ 2009)
• 2008 UL 1558 BULLETIN-2008 UL Standard for Safety Metal-Enclosed Low-Voltage Power Circuit Breaker Switchgear (COMMENTS DUE: March 12@ 2008)
• 1999 UL 1558-1999 UL Standard for Safety Metal-Enclosed Low-Voltage Power Circuit Breaker Switchgear Fourth Edition; Reprint with Revisions through and Including 3/27/2006
• 1993 UL 1558-1993 UL Standard for Safety Metal-Enclosed Low-Voltage Power Circuit Breaker Switchgear (Third Edition; Reprint with Revisions Through and Including July 17@ 1998)