Defrost Timer

Defrost timer for refrigerator,freezer,display cabinets and other refrigeration system. Timing defrosting control system.
Driven by self,to start of AC synchronous motor torque,a quasi time, low power consumption,low noise; design of large capacity switch,load capacity;structure compact structure,small size,can be installed in the refrigerator inside and outside;working environment of -20℃~60℃.