Centraux de commande désenfumage

RZN 4408-M

Smoke Vent Control Panel

Certificate Datasheet



The RZN 4408-K, RZN 4404-M and RZN 4408-M electric smoke vent control systems are mainly provided in building objects as e.g. industrial and office buildings, glass extensions or atriums. The controllers offer a high equipment standard and operation comfort.

An integrated service timer for monitoring the maintenance rate, numerous connectible functions for alarms and faults and adjustable functions like a time limit for ventilation and stroke-arresting device are as much part of the standard of this system as internal fault and diagnostic indicators.

  • Compact SHEV control panel – AdComNet® ready
  • Up to 8 A total drive current
  • Stabilised output voltage
  • Switchable SHEV safety functions: Fault equal to alarm, SHEV retriggering function and smoke detector remote reset
  • Option to combine SHEV / building alarm function
  • Integrated comfort functions for daily ventilation
  • 1 slot for an additional module
  • Optional connection to rain detectors or wind / rain sensors without an additional module
  • Connection of up to 8 SHEV buttons and 14 fire detectors per line (Only detectors permitted by D+H may be used)
  • Min. 72 hr battery backup supply


Technical specifications

  • Supply: 230 V AC / 50 Hz / 240 VA
  • Stand-by power: 5 W
  • Output: 24 V DC / 8 A
  • Ripple: < 2 Vss
  • Mode of operation monitoring: Continuous duty
  • Mode of operation Alarm / Ventilation: Short-time duty 30 % duty cycle
  • Temperature range: -5 °C … +40 °C
  • Line / Group: 2 / 3
  • Battery type: Type 8 (2x)


    Plastic Case
  • RB033AH
    Battery 12v 3.3ah
  • RB075AH
    Battery 12v 7.5ah