分类: 信息化
2014-05-22 16:55:24
A refrigerator , the DC power supply, oscillation circuit, counter circuit, the relay switch control circuit and protection switching circuit assembly into a box placed outside the refrigerator, and freezer thermostat compatible with the original machinery complement the thermostat uses exponential reverse biased PN junction reverse current and the temperature of the sensing element and its corresponding circuit for automatic adjustment of downtime reached at different temperature ranges, but also both the instantaneous power and over-current protection, structure simple, low cost, easy to use and saving user. this product is one of our main products.
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