Designed and made according to EN54 standards, the J424 is a microprocessor based control panel for medium and large applications. It has 8 zones main board and supports two J400-EXP8 expander modules, for a total of 24 zones and 512 detectors.

Each detection zone is equipped with an alarm repeat output for selective alarm management in the event of fire. The control panel has supervised and silenceable alarm outputs for the control of the self-powered sirens, piezoelectric sirens, fire bells, flashers, telephone diallers, etc. This easy-to-use control panel is protected by a lockable front plate which allows operational access to authorized personnel only.
The J424 control panel is also available with a backlit display, which shows all the information regarding the control panel status. The optional software in Windows™ environment, allows full systems management of events memory, files, reset and all the programmable functions provided by the control panel.

General Features


  • Fully approved.
  • Optional extinguishment module EN12094-1 approved.
  • 8 zones mainboard.
  • Supports 2 J400-EXP8 expander modules, total 24 zones.
  • Up to 32 devices can be connected to each zone.
  • Gas zone compatible with 4 – 20 mA gas detectors.
  • One alarm-repeat output for each input zone.
  • Manual call point recognition.
  • Signals missing detectors.
  • 2 supervised, silenceable, bypassable 24 V alarm output for sirens and activation.
  • Silenceable fault warning output for the activation of signalling and auxiliary devices.
  • Supervised fire output for telephone dialler activation.
  • Programmable open-collector output.
  • Dry contact alarm-relay for the activation of auxiliary devices.
  • Day/Night mode.
  • Alarm verification time.
  • Programmable restoral and reset times.
  • Programmable from PC or keypad.
  • 50 event log viewed via PC.
  • Alarm/fault memory activated until next reset.
  • Command for silencing sirens.
  • Keypad commands require key or pin code.
  • Repeater available.
  • Optional backlit display.

  • Documents
  • Additional Information

Part & Order Information

Product Order Codes

557.201.525 J424-8 8 zone conventional fire panel expandable up to 24 English
557.201.531 J424-8 8 zone conventional fire panel expandable up to 24 Israel
557.201.535 J424-8 8 zone conventional fire panel expandable up to 24 Portuguese
557.201.538 J424-8 8 zone conventional fire panel expandable up to 24 Spanish
508.031.724 J424-8 8 zone conventional fire panel expandable up to 24 Italian
557.201.526 J400REP Repeater English
557.201.536 J400 REP Repeater Portuguese
557.201.541 J400REP Repeater Spanish
508.031.728 J400 REP Repeater Italian
FireClass Spares &
Accessories Product Order Codes
557.201.527 J400 LCD English

508.031.727 J400 LCD Italian

508.031.725 J400EXP8 8 zone expander module for J424 panels

508.031.726 J400-EXT Extinguishment module for J400 series

557.201.557 B016 Motherboard for J408-8 and J424-8

PFNDSBL3PCJ400BR J400-BRG bridge serial interface for J400 panels

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