Communications and Public Safety Equipment Since 1992

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Federal Signal Pathfinder Relay Expansion

Federal Signal Pathfinder Relay Expansion

  • 400 W Programmable siren/light controller with remote-mount amplifier
  • (4) 100 W independent audio channels
  • Integrated multi-tone capability 
  • Integrated Rumbler® traffic-clearing capability
  • Capable of Rumbler and dual-tone in a single amplifier
  • PF400Q models feature the traditional trademarked Q-Siren tone
  • FS Vehicle Integration/On-Board Diagnostics Integration (OBDII) 
  • Library of selectable siren tones 
  • (4) FS Convergence Network ports
  • (7) programmable inputs and (16) programmable solid-state outputs
  • Standard voice messages are available in English, Spanish, and French Canadian to broadcast alerts. Custom voice messages available for an additional fee
  • Convergence Network Configuration Software allows for easy customization of siren and  light controls
  • 12/24 Vdc
  • Five-year warranty


Country/Region of Origin: United States of America

    • 24-Channel Expansion Module (EXPMOD24)The EXPMOD24 24-Channel Expansion module works with any Pathfinder siren to provide an additional (24) flashing outputs to a Pathfinder System. (2) of the (24) outputs feature diode-protected inputs to serve as OEM LED brake light flash control. The 24-Channel Expansion Module is controlled by a Pathfinder siren that can be programmed through the Convergence Network Configuration Software to provide a high-level of distributed and customizable control capability. The maximum output current for each relay can also be set with the Convergence Network Configuration Software. The 24-channel Expansion Module is potted to help protect it from unfavorable weather conditions, making it ideal for under-the-hood mounting. Up to four 24-Channel Expansion Modules can be used with a Pathfinder siren.

      32-Channel Expansion Module (EXPMOD32)
      The 32-Channel Expansion module works with any Pathfinder PF400 siren to provide an additional 32 flashing outputs to a Pathfinder system. The Expansion Module makes installation faster and easier by providing 3-SPDT, diode-isolated relays allowing for brake light blackout and/or brake/taillight flash, eliminating the need for a taillight flasher. The blackout feature allows trained officers to cut off all rear lighting to avoid detection.

      The 32-Channel Expansion Module is programmed through the Convergence Network Configuration Software to provide a high level of distributed and customizable control capability. The maximum output current for each relay can also be set within the software. The 32-Channel Expansion Module is potted to help protect it from unfavorable weather conditions making it ideal for under the hood mounting.

      Up to four 32-Channel Expansion modules can be used in a system. Each Expansion Module has a module identifier to easily help identify while programming in the Convergence Network Configuration software.


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