[1] [2] [3]  REF.2060   BATTERY ADAPTOR 12 V IF REQUIRES AN EMERGENCY FUNCTIONING. For system operation in case of mains supply failure it is necessary to couple this adaptor to power supply Ref. 88403. Battery not included.  REF.6062   VIDEO POWER SUPPLY 230V. All FERMAX power supplies are DIN rail format, so they can be easily installed in an electric equipment box. However, they can also be installed directly to the wall. They are made of VO ...  REF.8507   POWER SUPPLY 230V 12VAC 0.5A DIN 2.5 Necessary in every audio or video door installation. 4 elements rail DIN format. Output: 12 Vac; 0,5A  REF.8778   LARGE DIN COVER SETS Used to protect the electrical terminals when the power supply is not installed inside an electrical equipment closet, but directly wall mounted.  REF.8779   SMALL DIN COVER SETS Used to protect the electrical terminals when the power supply is not installed inside an electrical equipment closet, but directly wall mounted.  REF.8787   AUDIO POWER SUPPLY DIN 230V DIN 6 elements. Supplies the audio system. 1 power supply required for each outdoor panel. The power supply uses the ac mains supply to power all the different components. All FERMAX power supplies ... [1] [2] [3]