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277 Trouble Annunciator


The Model 277 Trouble Sounder is an audible trouble alert that may be installed in place of the Model 893A Module for XR150/XR550 Series control panels.

  • Residential
  • Small to large business
  • Enterprise
  • Education
  • Banks
  • Commercial

  • 277 Trouble Annunciator
  • 277CAN Trouble Annunciator, Canada

California State Fire Marshall (CSFM)

New York City Fire Department (FDNY)

Underwriters Laboratories Listings

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