67L050-0273

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The 67L050-0273 is a mechanical thermostat used for controlling temperature in a range of settings including refrigeration, air-handling, sanitation, washdown and other equipment, or indicating when a temperature has been set. It is a heavy-duty, hermetically sealed contact type thermostat with a UL rating of 200°F (93°C). The thermostat consists of an adjustable capillary tube and an adjustable bellows filled with a nitrogen filled, gas-tight, stainless steel housing with a platinum coil. The thermostat is able to reset with a small electric circuit.

The working principle is quite simple. The thermostat acts as a switch that opens and closes an electrical circuit when the temperature reaches a set point. The set point is adjusted with an adjustable capillary tube which is connected to the thermostat and is filled with a mixture of Freon gas and nitrogen. The capillary tube is connected at one end to the thermostat and at the other end to the hot junction of an electrical circuit. When the temperature increases, the two ends of the capillary tube expand, and when the temperature decreases the two ends contract and the circuit is closed.

When the temperature reaches the set point, the thermostat opens the electrical circuit and in turn cuts off the power supply to the equipment. This prevents the equipment from exceeding a certain temperature level, or from operating at a higher temperature than desired. When the temperature falls, the circuit is closed and power is again supplied to the equipment. This cycle continues until the desired temperature is achieved.

The 67L050-0273 thermostat can be used in a variety of applications such as refrigeration, air-handling, sanitation and washdown equipment. It is ideal for use in commercial and home refrigerators, freezers, and other temperature-sensitive equipment. The thermostat can also be used for controlling temperatures in hot-water tanks, swimming pools, saunas, and steam ovens.

The 67L050-0273 is a reliable and accurate mechanical thermostat for a wide range of temperature sensing and control applications. It is a hermetically sealed contact type thermostat with a UL rating of 200°F (93°C). Moreover, the adjustable capillary tube and bellows provide accurate temperature control. No external power is required for the thermostat to operate and it can easily be reset with a small electric circuit.

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