Remarks: Burn-down warning function to remind the user one lamp has been burned down so as to replace the bulb at due time. The control of different rated load to be designed subject to customer¡¯s request. Function has two types for your choice. When one lamp burned down, it¡¯s 2-times frequency. The structure is 3- terminal electronic type, winking frequency subject to customer¡¯s need. When one lamp burned down, it lights up and the buzzer stops. The structure is 2-terminal mechanical type.
