MERAWEX – manufacturer of industrial power supplies and power supply systems
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zasilacz systemów DSO
zasilacz systemów DSO

ZDSO400-DR4

Voice alarm systems (VAS) fire safety power supply 24 V / 2 x 400 W

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Fire Protection
  • 24 V power supply for voice alarm systems
  • CNBOP-PIB certificate, compliant with EN 54-4 i EN 12101-10 standards
  • Power range up to 800 W
Manufacturer:
MERAWEX
Approval Certificate
CE marked
Compliance with standard EN 12101-10:2005 + AC:2007
Compliance with standard EN 54-4:1997 + AC:1999 + A1:2002 + A2:2006
Installation in a 19” rack
Output voltage: 24 Vdc

Product description

The ZDSO400-DR2  24 V / 800 W floating-operation power supply is a certified device designed to supply voice alarm systems (VAS) requiring a reliable power source and continuous operation under emergency conditions.

With an output power of 800 W and high-capacity main outputs rated at 12 × 30 A, the unit is suitable for powering advanced electroacoustic installations. In addition, two auxiliary outputs 10 A are provided for connecting auxiliary devices.

The fire safety power supply operates with four 24 V battery strings with a maximum capacity of 640 Ah, providing extended backup operation in the event of a mains power failure. The 27.1 V float voltage and 32 A charging current ensure proper battery operation and rapid battery recharge.

The device offers 84% efficiency, operates within an ambient temperature range of –5 °C to +45 °C, and is CNBOP-PIB certified. Compliance with EN 54-4+A1+A2 and EN 12101-10 confirms its suitability for use in fire safety systems.

The IP20-rated enclosure is intended for indoor installation.

Technical specification

AC supply voltage 230 V
DC output voltage 27.1 V
Current carrying capacity of main outputs for power amplifiers 12 x 30 A
Current carrying capacity of auxiliary outputs 2 x 10 A
Number and maximum capacity of batteries 640
Dimensions (WxHxD) [mm] 483 x 89 x 328
Installation 19'' rack

Application

  • voice alarm systems (VAS)
  • fire alarm systems
  • smoke and heat control systems for environmental class 1

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