Door Position Switch Vs Door Contact

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.

Door position switch vs door contact.

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 contact can be normally open or closed. The unique housing design features a rugged unibody construction with flexible ribbed sides for quick secure installation without gluing. Both components require drilling a 3 4 19mm diameter hole in the door and frame directly opposite one another.

Includes a magnetic switch and a cylindrical permanent magnet. Chexit devices shipped after 8 24 2015 with motor driven. Door position switches on both doors. Subsets of door position devices are latch position monitors which can be included with electric strikes.

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 1078 1076 series steel door contacts are designed specifically for use in the steel doors commonly found in commercial building applications. Monitors door for door open too long alarms. Door position switch vs.

Although this is not an mandatory part of an access controlled door the door position switch is a crucial part of this configuration. Whether a separate contact or an output from the locking device door position devices are typically installed on each access controlled door. These contacts provide an output for the position of a deadbolt lock either locked or unlocked. The dps is dry the power source is the sensing input.

The hsrs is fully configurable using onboard dip switches allowing you to establish specific operational parameters. 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. 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.

A dry contact is a switch or relay point that is not a source of power. 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. 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.