MBZ 300

GEZE RWA Emergency Power Supply Unit MBZ 300


Central control unit for smoke and heat extraction

RWA BUS Central Control Unit MBZ 300 is a central control unit for smoke and heat extraction systems. The central unit takes over the supply, co-ordination and monitoring of all connected opening systems and components. The MBZ 300 offers a high operational and service comfort.


Product features

  • Convenient and simple expansion by clicking on additional module in a central control unit
  • Can be expanded as required to include alarm groups, ventilation groups and alarm lines
  • Mapping of complex alarm scenarios
  • Simple maintenance and installation thanks to the status display directly at the module
  • Wind-direction dependant control
  • Initial start up and configuration of the smoke and heat extraction central unit is possible without programming (quick and easy to adapt without PC)
  • The main components of the MBZ 300 in the switching cabinet:


Possible MBZ 300 modules in the switch cabinet: 

  • Rechargeable battery
  • Switching power supply unit: Switching power supply unit with 10A or 24A
    Power module PM: As basic unit with charge controller in conjunction with a power pack
  • Power extension module PME: To extend the output current in conjunction with a further power pack
  • Control module CM: Central control module for the RWA central control unit. For 10 RWA buttons, 10 smoke detectors, 1 fire alarm central unit input, central button for the fire section and USB connection for the configuration software
  • CAN module: for connecting several MBZ 300 units
  • Sensor module SM: For forming a further fire section: For 10 RWA buttons, 10 smoke detectors, 1 fire alarm central unit input, central button for the fire section
  • Drive module DM: Ventilator group for connection of the RWA drives with 10A switching capacity
  • Drive module DME: offers the same connection and setting possibilities as a DM but with the higher output power of 20A
  • Relay module ERM: 6 potential-free changeover contacts which can indicate faults, alarm signals or ventilation signals
    Weather module WM: For weather-depend ventilation and wind direction-dependent control in the RWA case. In connection with weather sensors GC 401, GC 402, GC 403

Accessories