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
- ANSI/UL 864 - Control Units for Fire Protective Signaling Systems
- ANSI/UL 985 - Household Fire Warning System Units
- ANSI/UL 1023 - Household Burglar Alarm System Units
- ANSI/UL 1635 - Digital Alarm Communicator System Units