KSD10 series 3/4 Disc(Φ19mm) bi-metal defrosting temperature controller is used for temperature-control in refrigerators and air-conditioner,also applicable for automatic temperature control in dehumidifier,refrigerator heating-defrosting and system temperature limit safety arrangement.Its structure features application of resin to seal the electric parts completely,allowing to be installed in a narrow space,boasting easy installation,moisture-proofness and wet-proofness,etc.