UL 539-2009 PDF

Scope: These requirements cover heat-actuated@ single and multiple station heat alarms intended for indoor installation in accordance with the National Fire Alarm Code@ NFPA 72@ Chapter 11. These requirements do not cover electrically operated single or multiple station smoke or heat alarms.

UL 539-2009 history

1970 UL 539-2022 Single and multiple station heat detectors
2018 UL 539 BULLETIN-2018 UL Standard for Safety Single and Multiple Station Heat Alarms (COMMENTS DUE: May 14@ 2018)
2017 UL 539 BULLETIN-2017 UL Standard for Safety Single and Multiple Station Heat Alarms (COMMENTS DUE: March 27@ 2017)
2017 UL 539-2017 UL Standard for Safety Single and Multiple Station Heat Alarms (Seventh Edition)
2016 UL 539 CRD-2016 UL Standard for Safety Single and Multiple Station Heat Alarms - Section / Paragraph Reference: New Section 31A Subject: Rate of Rise Operation Test (Edition 6: January 30@ 2009)
2016 UL 539 BULLETIN-2016 UL Standard for Safety Single and Multiple Station Heat Alarms (COMMENTS DUE: OCTOBER 31@ 2016)
2014 UL 539 BULLETIN-2014 UL Standard for Safety Single and Multiple Station Heat Alarms (COMMENTS DUE: MARCH 17@ 2014)
2009 UL 539-2009 UL Standard for Safety Single and Multiple Station Heat Alarms (Sixth Edition; Reprint with revisions through and including December 23@ 2014)
2008 UL 539 BULLETIN-2008 UL Standard for Safety Single and Multiple Station Heat Detectors (COMMENTS DUE: June 09@ 2008)
2005 UL 539 BULLETIN-2005 UL Standard for Safety Single and Multiple Station Heat Alarms
2000 UL 539-2000 UL Standard for Safety Single and Multiple Station Heat Detectors (Fifth Edition)
1995 UL 539-1995 UL Standard for Safety Single and Multiple Station Heat Detectors (Fourth Edition)
1991 UL 539-1991 Single and multiple station heat detectors