Many modern alarm and access control panels make use of PTC fuses. These are resettable fuses that over heat and trip if the current/heat gets above a set threshold. I have seen them used to protect main boards, reader power outputs and so on. PTC fuses generally take a little longer to trip than a […]
Fuse on PTC action Read More »
A pet bug bear of mine is seeing a consultant dictate that ALL access control doors MUST be fail safe & have a fire trip to unlock the door in the event of a fire alarm. In most cases this is incorrect and leads to a lower level of security, exposing the premises to intrusion.
Free Handle Exits & Fire Trips Read More »
Recently I have had several enquiries regarding the Building Code of Australia (BCA) in relation to fire trips. Security installers, consultants and clients often have conflicting ideas about what is required under the BCA. This leads to confusion and doubt, access to the BCA is not cheap and therefore it is often not consulted. This
Electric locks & Fire Trips Read More »
This is the first post on the Jack Fuse blog, the blog will feature Jack Fuse product updates, technical articles and general posts to do with the electronic security industry.