3450CM 81740148

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Mechanical thermostats have been used for many years in a wide range of temperature sensing applications. The 3450CM 81740148 thermostat is an example of a mechanical thermostat that utilizes an operator-adjusted setpoint and a temperature sensing element to meet the desired performance.

This type of thermostat generally consists of a chamber that includes a temperature sensing element, a stem, and an operator adjustable setpoint adjustment knob. The temperature sensing element is usually a bimetallic switch which consists of two different metals welded together. The metals interact when heated causing the bimetallic switch to bend, rotate, or actuate a contact. This action of the switch acts as a temperature control within the thermostat.

The stem is connected with the setpoint adjustment knob and is used to control the setpoint adjustment. The set point of the thermostat is adjusted according to the desired temperature. The stem is typically connected to the temperature sensing element by a linkage that causes the bimetallic switch to react when the predetermined setpoint is exceeded. When the setpoint is exceeded, the linkages are released and the bimetallic switch moves to the actuation point causing the contact to complete.

The 3450CM 81740148 mechanical thermostat has a temperature range of 0-80°F (specified by the manufacturer). This range is suitable for many temperature sensing applications such as space heating and cooling systems, climate control, and food and beverage quality control. The adjustable setpoint allows for greater flexibility in controlling the temperature. The adjustable dial on the stem is color coded and designed to allow easy identification and adjustment.

The working principle of the mechanical thermostat is based on the temperature sensing element. When the temperature exceeds the predetermined setpoint, the bimetallic switch will actuate the contact. This will close the circuit and cause the desired effect. It can be used to control heating elements, fans, valves, pumps, or any other device with an electrical contact.

The 3450CM 81740148 is a reliable and economical thermostat. It is designed to be relatively maintenance-free and is often used in industrial and commercial applications. It is relatively easy to install and use. As with all mechanical thermostats, it is important to ensure that the temperature setting is regularly monitored and adjusted as necessary to maintain optimal performance.

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