1.1 These requirements cover intrusion-detection units intended to be used in burglary-protection signaling systems. These units are intended to be used in indoor or outdoor locations to automatically indicate the presence of an intruder by actuating electrical control circuits.
1.2 An intrusion detector, as covered by these requirements, consists of one or more unit assemblies of electrical components that are designed to detect the presence, movement, sound or other activity of an intruder. Provision is made for connection to the assembly of power supply, remote control, and signal circuits by a prescribed method of wiring.
1.3 Intrusion-detection units covered by these requirements are intended to be installed in accordance with the Standard for Installation and Classification of Burglar and Holdup Alarm Systems, UL 681.
This revision of ANSI/UL 639 dated June 18, 2024 includes changes to Battery Marking Requirements, 72.1.
RevisionsRed Line Std. (7)
CSDS Proposals (10)
CSDS Proposals
An electronic document associated with a UL Standard for Safety or Outline of Investigation, and issued by UL to propose:
UL LLC CRD (4)
Other Updates (1)
Bulletins
These bulletins are not used in CSDS. These are announcement and report type bulletins.
This bulletin announces the availability of the Outline of Investigation for Resiliency of Network Infrastructure Components, Subject 2825.
Referenced Standards (40)
Reverse Referenced Standards (7)
The cost to purchase this Standard varies depending on whether you are ordering a hardcopy, PDF or combination of the two. We also offer two different types of subscriptions: a one year and a three year.
You will be able to choose your purchase options on the following pages.
To serve you better, please update your account details.
Sample