The MHR and MHW mini-horns operate at 12 and 24 volts and are ideal for hotel, motel or residential fire system applications, where a smaller notification device is desired. The mini-horns offer high and low volume settings, and temporal or non-temporal tones. The horns can be mounted to single gang back boxes for aesthetically sensitive applications. Synchronization is also provided when using the MDL module.The MHR and MHW mini-horns can operate between 32 and 120 degrees Fahrenheit from a regulated DC or full-wave rectified, unfiltered power supply. They are listed to Underwriter’s Laboratories Standard UL 464 for fire protective signaling systems.
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Manufacturer Part Number
MHW
Features
Features • Weatherproof per NEMA 4X, IP56 • Listed to UL 1638 (strobe) and UL 464 (horn) • Compatible with System Sensor synchronization protocol and legacy SpectrAlert products • Field-selectable candela settings: 15, 15/75, 30, 75, 95, 110, 115, 135, 150, 177, and 185 • Automatic selection of 12- or 24-volt operation at 15 and 15/75 candela • Rotary switch for horn tone and three volume selections • Horn rated at 88+ dBA at 16 volts • Rated from –40°F to 151°F • Universal mounting plate with an onboard shorting spring that tests wiring continuity before devices are installed • Plug-in design with minimal intrusion into the back box • Tamper-resistant construction • Listed for ceiling or wall mounting
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Features • Weatherproof per NEMA 4X, IP56 • Listed to UL 1638 (strobe) and UL 464 (horn) • Compatible with System Sensor synchronization protocol and legacy SpectrAlert products • Field-selectable candela settings: 15, 15/75, 30, 75, 95, 110, 115, 135, 150, 177, and 185 • Automatic selection of 12- or 24-volt operation at 15 and 15/75 candela • Rotary switch for horn tone and three volume selections • Horn rated at 88+ dBA at 16 volts • Rated from –40°F to 151°F • Universal mounting plate with an onboard shorting spring that tests wiring continuity before devices are installed • Plug-in design with minimal intrusion into the back box • Tamper-resistant construction • Listed for ceiling or wall mounting
