[1] [2] [3]  REF.88303   VIDEO POWER SUPPLY 18 VDC/ 3.5 A To supply the video system, 10 elements DIN RAIL format. A supply required for every 40 monitors (using recommended wirers cross section). They are required for the system to work, the power supplies ...  REF.8837   EMERGENCY POWER SUPPLY 220V. IF REQUIRES AN EMERGENCY FUNCTIONING. This power supply has been designed to continuously supply de 12 Vdc voltage required in the MDS Systems, even in the case of mains failure.  REF.8980   POWER SUPPLY DIN 4E.230 V Necessary in every audio or video door installation. 4 elements rail DIN format. Output: 12 Vac; 1,5A  [1] [2] [3]