System Sensor PR-2 10/02 The DSC WS4945N wireless door/window

The DSC WS4945N wireless door/window normally open contact features a pre-installed battery that is activated by installers through a pull tab

This innovative detector is designed to provide comprehensive fire and life safety protection for residential and commercial buildings

Because of its compact size and compatibility with Edwards detectors

The complete assembly consists of: an armature contact plate with adjustable pivot mounting for installation in the door

Download COSMO-4W Datasheet (PDF)

System Sensor PR-2 10/02 The DSC WS4945N wireless door/windowPR 1 PR 2 PR 3 are epoxy encapsulated multi voltage relays. They are single pole double throw relays that use a red LED as a visible indication of relay coil energization. PR3 is identical to PR2, except it has an extra pair of wires for redundant power input.