PSD4D Power Supply Distributor

The PSD4D distributes power supply and communication bus to 4 access doors in RACS 5 system.
  • PSD4D


The PSD4D distributes power supply and communication bus to 4 access doors in RACS 5 system.

For each door, it offers: main 1.0 A supply output, auxiliary 0.2 A supply output and communication interface to readers. The electronic circuits for each door are electrically separated what assures that in case of malfunction or sabotage, the problem from one door is not propagated to other doors.

The PSD4D is supplied from the external 13.8 VDC power supply which provides energy for door locks, readers and other door equipment. In case of main supply failure, entire system is supplied from the reserve battery which is connected to the PSD4D module and charged with selectable 0.3-0.9 A current. The electronic module is equipped with removable screw terminals which simplify installation and replacement of the module.

The PSD4D is generally dedicated for the access control systems based on the MCT-IO series readers which utilize their on-board IO lines to control door lock and other elements of the passage.


  • communication bus and power supply distribution to 4 doors
  • 4 supply outputs 12 V/1 A
  • 4 supply outputs 12 V/0.2 A
  • battery deep discharge protection
  • 0.3 A, 0.6 A or 0.9 A battery charging current
  • supplied from 13.8 VDC/5 A power supply
  • IP41
  • dimensions: 80.0 x 96.0 mm (height x width)
  • weight: ≈85.0 g
  • CE mark
  • environmental conditions of operation:
    • temperature from +5°C to +40°C
    • humidity from 10% to 95%


Supply and bus distributor module for 4 doors; battery charge and maintenance; 13.8 VDC supply


unia flaga
Cookies user preferences
We use cookies to ensure you to get the best experience on our website. If you decline the use of cookies, this website may not function as expected.
Accept all
Decline all
Read more
Essential cookies
These cookies are necessary for the correct operation of the website and therefore cannot be disabled on this level; the use of these cookies does not involve the processing of personal data. While you can disable them via your browser settings, doing so may prevent the website from working normally.
These cookies are designed to track the users' web traffic and display advertisements that may be of interest to some users. Cookies may come from third parties and be used by them to profile your preferences. Their operation is subject to the user's consent.
Analytical cookies
These cookies are particularly intended to enable the website administrator to monitor the website traffic statistics, as well as the sources of traffic. Such data is typically collected anonymously.
Google Analytics