3 2 balanced magnetic switch bms a switch that is constructed in such a manner or that includes additional components that increase resistance to magnetic electrical and mechanical tampering or defeat.
Door position switch vs door contact.
Although this is not an mandatory part of an access controlled door the door position switch is a crucial part of this configuration.
Door position switches on both doors.
The 1078 1076 series steel door contacts are designed specifically for use in the steel doors commonly found in commercial building applications.
Includes a magnetic switch and a cylindrical permanent magnet.
Chexit devices shipped after 8 24 2015 with motor driven.
Door position switch vs.
Whether a separate contact or an output from the locking device door position devices are typically installed on each access controlled door.
For instance configure the device to.
When the door is opened the magnet is taken away from the switch and the spring tension of the reed causes it to spring back against the other contact changing the.
Subsets of door position devices are latch position monitors which can be included with electric strikes.
Monitors door for door open too long alarms.
Inside the magnetic reed switch a thin piece of steel a steel reed if you will is held in position by the attraction of the magnet when the door is closed.
When an alarm panel is connected to a door position switch dps that switch is a dry contact because it is not a source of power.
The dps is dry the power source is the sensing input.
The distance depends on the door type and gap between the door and frame but is in the 1 2 3 4 12 18mm range.
The unique housing design features a rugged unibody construction with flexible ribbed sides for quick secure installation without gluing.
Compatible with door window reed switches motion sensors toggles pushbuttons etc the hsrs can accept any switch or sensor device having normally open or normally closed contacts.
There are 40 standards that must be met to achieve listing to ul 634 which covers basic contacts including balanced magnetic switches defined by ul 634 section 3 glossary as.
These contacts provide an output for the position of a deadbolt lock either locked or unlocked.
Dps m concealed door position switch for metal doors.
Dps 11 2 sdc door status switch electromechanical ball dpdt 5 amp mc 4m sdc door status switch magnetic contact vandal resistant mortise face plate spdt 50 ma mc 7 sdc door status switch magnetic contact biased high security press fit spdt 50 ma 1 dia.
Module dps led is on dps switch contact is open.
The contact can be normally open or closed.
Monitors door for door forced open alarms.