Wheelock MT-12/24-R S/F 11/09 they produce a loud sound

they produce a loud sound to notify occupants to evacuate the buildings

helping it meet NFPA and ANSI requirements

primarily for use with 50 Ah batteries

Detector interconnection provides signaling of up to 50 other detectors in the loop for multiple fan shut down

The Edwards Est SIGA-PHS Intelligent Smoke Detector can give and initiate a smoke detector

Wheelock MT-12/24-R S/F 11/09 they produce a loud soundThe Wheelock MT multitone horns and horn strobes offer a choice of eight (8) nationally and internationally recognized alerting sounds: Horn, Bell, March Time Horn, Code 3 Tone, Code 3 Horn, Slow Whoop, Siren or Hi Lo Tone. The Code 3 Horn and tone patterns are engineered to comply with NFPA ANSI Temporal Pattern specifications without requiring additional equipment. With MT horns and horn strobes, one alarm appliance meets most of your signaling