LF24W - Audio/visual fire alarm device

Audio/visual fire alarm device

  • Power supply: from 18V d.c. to 30V d.c.
  • Sound power (max) 92,3 dB(A) @ 1m, 30V d.c. P.V. 45°
  • High Efficiency LED
  • High Sound Level Buzzer
  • Selectable Buzzer
  • New Design, Less Thick
  • Wall Mounting
  • Compliant with EN54-23 W-4,6-9,1 and O-4,6-9,1-9,9. Syncro compliant with EN54-3:2001 + A1:2002 + A2:2006

LF24W is an audio/visual warning panel, available in different models and suited for any emergency situation such as fire, flooding, gas leaks, etc., where visual and audio information is needed. Its special design, very pleasant is particularly suited for hotels, shops, malls and cinemas.

Technology e Design

LF24W has an optical section provided with a synchronization function, and realized with a LED and lens that grants a high efficiency value, thanks to which it satisfies the new standards of the norm EN 54-23 with a high range covering while maintaining low power consumption.
A special light diffuser guarantees the uniform lighting of the panel’s label. A high sound level buzzer ensures an efficient acoustic warning in case of alarm, granting the compliance to the norm UNI EN54-3.
The label inside the panel is provided with the standard sentence "FIRE ALARM", but labels with different messages and languages are available as accessory. Thin and special design make LF24W warning panel unique for technology and efficiency.

Thickness without backbox 14mm


Assembly instructions

  • Make four holes into the wall to fit the holders (Fig. 2. point 1)
  • Fix the mounting box with the four screws (Fig. 2, point 2)
  • Connect the power supply to the terminals (Fig. 1)
  • If the sounder is not needed, connect jumper SILENT (Fig. 1)
  • Fix the central part to the mounting box with the four screws (Fig. 2, point 3)
  • Hook the cover and screw it (Fig. 2, point 4)

Fig. 1

Fig. 2

General Specifications

Product CodeLF24W (Wall mount)
MaterialABS - V0 self-extinguishing + PMMA
InstallationWall mount
Nominal Voltage:24V d.c.
Absorption:50mA
Mounting height:4,6m
Code (square base) W-4, 6-9, 1-9, 9
Code (rectangular base) O-4, 6-9, 1-9, 9
Type of connectionClamp
Dimensions with backbox292x130x55mm (L x H x P)
Flash light colorWhite
Operating temperature From -10°C to +55°C
Optical specifications Flashing frequency 1Hz
Sound power (min) 79 dB(A) @ 1m, 18V d.c. P.O. 165°
Sound power (max) 92,3 dB(A) @ 1m, 30V d.c. P.V. 45°
Buzzer frequency2,8Khz
Sound modelPulsed, 1Hz (500ms on, 500ms off)
Protection ClassIP21C*
*Using conduits DX54216, DX43220 o GW52004