SAFEPATH Voice Evacuation System


Supervised In-Building Communications System

Eaton’s SAFEPATH Voice Evacuation System (SP40S)  is a supervised In-Building Emergency Communications System with 24 VDC battery backup. The multi-use system can function as an evacuation system, emergency messaging system, paging system, employee notification system and a background music system per NFPA 72 Combination Systems. The Individual Building System provides full control of building notification appliances such as loudspeakers and strobe lights. 

SAFEPATH, when combined with audio boosters and Wheelock speakers, meets both NFPA 72 (fire signaling) and NFPA 720 (CO signaling) low frequency tone requirements for sleeping areas.

  • Approvals: UL Standard 864, UL Standard 1711, UL 2017 (code 4), UL 864 (code 3) and the low frequency requirements of UL 464 (520 Hz); California State Fire Marshal (CSFM); New York City (MEA); FCC Part 15
  • NFPA 72, OSHA 1910.165 and ADA Compliant
  • Expandable for larger system requirements
  • 8 digitally recorded voice messages with live microphone override
  • Supervised NAC speaker and strobe circuits
Catalog Number SP40S, SP40S-B, SP40SE, SP40SE-B
Multi-Function Facility Communications System Background Music (BGM) system, with patent pending supervision during BGM operation; Supervised Emergency/Fire Voice Evacuation System; Interfaces with telephone system for general paging requirements; Low frequency tones for sleeping room applications
Audio Power 40W supervised audio power
Speaker System 25V or 70.7V, selectable
Frequency Response Voice 200-10 kHz +/- 3dB; meets UL Voice Evacuation Requirement of 800 - 2800 Hz
Frequency Response Microphone 225-8kHz +/- 3dB; meets UL Voice Evacuation Requirement of 800 - 2800 Hz
Batteries 24 VDC rechargeable battery back-up power circuitry built-in; Can be housed in the enclosure (Up to two 12 volt, 12 ampere hour batteries; Actual battery size required will depend on speaker and/or strobe load.)
Strobe Power 2 amps of synchronized strobe power on board with the option of adding additional out board strobe power supply
Dimensions 21”H x 16"W x 6"D; 53 H x 41W x 15D cm/36 lbs. (16 kg) (without batteries)/Black or Red enclosure


  • Easily interfaces with most existing phone system page port, CO port and line level signals
  • Automatically mutes BGM
  • Multiple trouble LED indicators for quick system diagnostics
  • Option to program predefined scripts in response to ACU fault and alarm events
  • Unique supervision method allows for full system supervision even during background music (BGM)
  • Night ringer or security alert connection