• MS-2049S Detex Magnetic Switch - Surface Mounted

*Actual product and finish may vary

The Detex MS-2049S Surface Mounted Magnetic Switch is designed primarily to serve as a sensing device to detect the opening of a door or window; to assure that a protected door is securely under surveillance; to serve as a trigger for a wall-mounted Detex Exit Alarm; to signal that a door has been inadvertently left open; and to be used as a direct switch to set off many kinds of audio and visual alarms.

Detex MS-2049 catalog


• Provides assurance that protected doors are under surveillance

• Serves as a trigger for alarms or remote monitors

• UL listed for use on fire rated doors and assemblies


• Tamper protection – mounting screws inaccessible when door closed

• Components potted to protect against shock and moisture

• Easy installation with concealed wiring and color coded leads

• Surface mounted units are housed in a durable high impact ABS thermoplastic, a UL listed material used in the manufacture of telephones, auto bodies, etc.

• Wide range of alarm and signal applications

• Minimizes false signals due to loosely closed doors

• Switch rated for over one million operations under load

Technical Information

• Maximum contact ratings - 24VDC @ .5A

• For use on steel, aluminum or wood doors and frames

• May be mounted on stiles as narrow as 1-3/8"

• Overhead (preferred) or latch-stile mounting available for all models

• Switch - single pole, double throw (SPDT)

• The flush device (MS-2049F) should have the switch contact housed in the door frame and the magnet mortised in the edge of the door

• Wiring leads, 12" long, color coded, concealed


“UL Listed Miscellaneous Fire Door Accessories” “UL Listed Door Position Switch”


3 Year Limited Manufacturers Warranty

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MS-2049S Detex Magnetic Switch - Surface Mounted

  • Brand: Detex
  • Product Code: MS-2049S
  • $66.00