Definition from Wiktionary, the free dictionary
Jump to navigation Jump to search



fail-secure (not comparable)

  1. Of a device: such that, if it fails, it does so in a way that will cause little or no harm to other devices and personnel.

Usage notes[edit]

The primary use of the term is with regards to security doors and motorized gates. A motor that has "fail-secure" capabilities will, in case of a power outage, be able to be opened by means of a supplied hand crank.

Related terms[edit]