Product Description: SR-A91 Electric bells have been widely used at railroad crossings, in telephones, fire and burglar alarms, as school bells, doorbells, and alarms in industrial plants. Mounted for wall and ceiling applications, indoors or outdoors. Main features: SR-A91 Indoor Fire Bell Voltage: DC24V or DC12V Rated current:20mA Sound pressure: 96dB/m(A) Standard: GA385 Size:150mm Weight :480g Stuff: duralumin
