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ZM-AZ

ZM24V12A-300AZ-00

Category: ZM-AZ

Mains AC 230V
Mains DC 220V
Nominal output voltage 24V
Power 300W
Output current 12A

The power supplies meet the requirements of the EN54-4 + A2 standard and thanks to which they can be used as power devices in fire alarm and signalization systems, e.g. in control panels of fire protection devices.

The power supplies have an additional packet that allows for direct handling of the battery. The power supply equipped in this way practically fulfills the role of a telecommunication power system or another source of uninterruptible voltage (UPS DC) ensuring independent service of the connected battery.

In standard, the power supplies are equipped with LED and relay signalization and in the so-called low voltage disconnect device (LVDD) protecting the connected batteries against excessive discharge. The temperature sensor allows you to adjust the output voltage (floating voltage) depending on the ambient temperature of the batteries. The use of these systems makes it possible to maintain the proper operating parameters of the connected batteries and extends their life.

Thanks to the use of a special, programmable battery charging current limitation circuit, the power supply can cooperate with batteries of various capacity, ensuring at the same time the appropriate current and charging time of batteries used.

  • single phase 230Vac or 220Vdc input voltage
  • optical signalization of correct operation and current limitation
  • relay indication of correct operation of power supply
  • continuous control of presence and performance of batteries
    • low voltage level indication on battery terminals
    • signalization of increase of internal resistance of battery circuit above certain value - according to EN54-4/A2
  • separate indication of faulty states of backup power source (relays + LED)
  • separate indication of faulty states of main power source
  • separate output connectors for batteries
  • floating operation with temperature compensation of charging voltage
  • operation in automatic charging mode
  • optical signalization of charging, battery operation and low battery status
  • protection of battery against excessive discharge (LVDD)
  • battery circuit fuse
  • battery charging current switch
  • floating operation voltage selector (V/cell)
  • input of external fault signal (option in PZ version)
  • possibility of selecting terminals on front panel
  • RS485 or RS232 digital communication (option in AZC version)
  • many mounting versions

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