MD31DB - Sdc Security Door Controls MOTION DETECTOR W/ TIME | Aztek Computers
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SKU: LA6T4O7E7Q |  Mfg. Part: MD31DB  | UPC: 043994202722  |  0 Reviews  |     Share

MD31DB - Sdc Security Door Controls MOTION DETECTOR W/ TIME DELAYBLACK

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$173.85  $234.70
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Product Overview

Request-To-Exit Passive Infared (PIR) sensor, black

Expert Overview

The SDC Security Door Controls MD31DB is a Request-To-Exit (REX) Passive Infrared (PIR) motion detector designed for integration into access control systems. This black-colored sensor provides a reliable method for detecting human presence within a designated area, triggering an exit request. It is suitable for businesses and IT departments managing secure entry and exit points, where controlled egress is required without compromising security. The MD31DB addresses the need for automated door unlocking upon detecting an occupant wishing to exit, thereby streamlining traffic flow while maintaining system integrity. Its function is to sense motion and initiate a signal for door release, preventing unauthorized entry while facilitating legitimate departure.

Product Details

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  • SDC Security Door Controls
  • MD31DB
  • 043994202722
  • New
  • 0.35 lbs
  • 2 X 2 X 7
  • Sep 06, 2026
  • Dec 30, 2025
  • United States
Product Identifiers: Brand: Sdc Security Door Controls • Part #: MD31DB • UPC: 043994202722 • Category: Sensors & Motion Detectors

Frequently Asked Questions

What is the primary function of the MD31DB?

The MD31DB is a Request-To-Exit (REX) Passive Infrared (PIR) sensor. Its primary function is to detect motion to initiate an exit request in an access control system.

What color is this motion detector?

This motion detector is supplied in a black finish, as indicated by its description.

What type of technology does this sensor use?

The MD31DB utilizes Passive Infrared (PIR) technology, which detects changes in infrared radiation typically emitted by moving objects like people.

Is this product suitable for outdoor use?

The provided product data does not specify suitability for outdoor use. It is described as a Request-To-Exit sensor, typically used in indoor access control applications.

MD31DB - Sdc Security Door Controls MOTION DETECTOR W/ TIME DELAYBLACK

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$173.85