66L080-0211

Series:	6600
Part Status:	Active
Circuit:	SPST-NC
Switching Temperature:	176°F (80°C)
Reset Temperature:	131°F (55°C)
Current Rating - AC:	1A (120V)
Current Rating - DC:	1A (48V)
Tolerance:	±9°F (±5°C)
Switching Cycles:	25K
Termination Style:	PC Pins
Mounting Type:	Through Hole
Package / Case:	8-DIP (0.300", 7.62mm), 4 Leads

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Temperature Sensors - Thermostats - Mechanical

The 66L080-0211 is a mechanical temperature sensor/thermostat, designed to measure temperatures in various devices and processes, and to protect such devices and processes when programed temperatures are exceeded. This type of temperature sensor/thermostat is used mainly in HVAC systems, compressors, refrigerating machines and other applications which require precise and accurate temperature control.The 66L080-0211 is designed to work with a wide range of temperatures, from -35°C to +65°C and can be adjusted to operate between very specific temperatures. In general, it is considered an excellent choice for equipment that requires reliable temperature control, as it offers a precise and reliable monitoring of temperatures. The 66L080-0211 works using the principles of a bellows type bimetallic element. The bimetallic element is a device made from two different metals that heat up at different rates when exposed to the same temperature. These two metals are joined together and form a coil. When the temperature changes, the two metals expand or contract at different speeds, causing the coil to turn. This, in effect, allows the device to measure the temperature and then to open or close the contacts in the device when the temperatures reach programed levels.In addition to using the bimetallic element, it also has a movable switch pointer which moves to the operating points on a switch as indicated in a scale. The two arms of the switch are connected to the bellows type bimetallic element, which enables the device to operate at the desired temperature, based on the setting of the two operating points. The switch pointer will open the contacts of the device when it reaches the low point of the temperature while closing the contacts when it reaches the high point. This operation will repeat for every cycle until the temperature reaches the pre-set level and the contacts open and close.The 66L080-0211 can be adapted to a wide range of applications, and is especially suitable for HVAC systems, compressors and refrigerating machines. It is not recommended for outdoor applications or in high humidity environments.In conclusion, the 66L080-0211 is a mechanical temperature sensor/thermostat, designed to measure and protect various devices and processes from programed temperatures. It operates using a bellows type bimetallic element and a movable switch pointer which open or close the contacts when pre-set temperatures are reached. The 66L080-0211 is a reliable temperature control solution in a wide range of applications, as long as it is protected from external elements.

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