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• <br /> SpectrAlerr Advance Mini-Horn Specifications <br /> Architectural/Engineering Specifications <br /> Mini-horns shall be a System Sensor Model MHR or MHW capable of operating at nominal 12 or 24VDC and shall mount to a deep single <br /> gang back box.Mini-horn shall be listed to Underwriter's Laboratories Standard UL464 for fire protective signaling systems.Mini-horns shall <br /> operate between 32 and 120 degrees Fahrenheit from a regulated DC,or full-wave rectified,unfiltered power supply.When used with the <br /> Sync•Circuit'"Module,12-volt rated notification appliance circuit outputs shall operate between nine and 17.5 volts;24-volt rated notification <br /> appliance circuit outputs shall operate between 17 and 33 volts. <br /> Physical Specifications <br /> Dimensions 4.61 x 2.9W x .4513 <br /> Weight 2.67 oz. <br /> Operating Temperature Range 32°F to 120°F(0°C to 49°C) <br /> Mounting Surface:deep single-gang back box(23/a"deep) <br /> Flush:Standard 4"x 4"back box with single gang mud ring,which allows sufficient clearance for <br /> conduit entrance. <br /> Electrical Specifications <br /> Input Terminals 12 to 18 AWG <br /> Nominal Voltage Regulated 12DC/FWR or regulated 24DC/FWR <br /> Operating Voltage 8-33 <br /> Operating Voltage with MDL 9-33 <br /> UL Sound Output and Current Draw Data • <br /> Sounder Output(dBA) <br /> Switch Setting Pattern Output Level 8-17.5 VDC 8-17.5 VFWR Nominal 12 Nominal 12 16-33 16-33 <br /> VDC VFWR VDC VFWR <br /> 1 Temporal High 68 67 Ti 70 78 76 <br /> 2 Temporal Low 66 65 69 68 76 75 <br /> 3 Non- High 72 71 75 74 80 79 <br /> temporal <br /> 4 Non- Low 70 69 73 72 78 77 <br /> temporal <br /> Sounder Current Draw(mA RMS) <br /> 8-17.5 Volts 16-33 Volts <br /> Switch Position Sound Pattern Volume DC FWR DC FWR <br /> 1 Temporal High 12 10 17 15 <br /> 2 Temporal Low 10 9 14 13 <br /> 3 Non-temporal High 22 17 29 25 <br /> 4 Non-temporal Low 17 13 21 19 <br /> Ordering Information <br /> Part No. Description <br /> MHR Mini-Horn,Red <br /> MHW Mini-Horn,White <br /> SYSTEM ©2012 System Sensor <br /> w 3825 Ohio Avenue•St.Charles, IL 60174 Product specifications subject to change Whom notice.Visit systemsensor.com <br /> SE/VSOR Phone:800-SENSOR2•Fax:630-377-6495 for current product information,including the Latest version of the data sheet. <br /> AVDSO t 500•3/12 <br />