66L070

Series:	6600
Part Status:	Active
Circuit:	SPST-NC
Switching Temperature:	158°F (70°C)
Reset Temperature:	122°F (50°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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Introduction

The 66L070 is a thermostat for temperature sensors, which is widely used in industrial applications. It detects temperature changes and adjusts to maintain the desired temperature. This thermostat is made up of mechanical parts, including a switch, dial, dial spring, heat-medium pipe, and other components. In this article, we will explain the working principle and application field of 66L070 thermostats.

Working Principle

The 66L070 thermostat is composed of a series of mechanical components. This thermostat has three core functions. Firstly, when the temperature exceeds a certain level, the switch snaps off and the current is interrupted, thus protecting the electrical device from overheating. When the temperature drops below a certain level, the switch snaps on and the current is resumed, which resumes operation of the electrical device. Secondly, the dial allows the user to adjust the temperature set point, which is the temperature at which the switch action occurs. Finally, the dial spring has an oscillating motion which ensures that the temperature is kept within a set range.The working principle of the 66L070 is relatively simple. When the temperature of the electrical device increases, it causes the heat-medium pipe to expand. This expansion increases the tension on the dial spring and causes the switch to snap off, thus cutting off the current supply. When the temperature decreases, the reverse happens and the switch is turned back on, resuming the electric current supply. This process is autonomously repeated to ensure that the temperature remains within the desired range.

Application Areas

The 66L070 thermostats are widely used in industrial, commercial, and residential applications. They are used to protect devices from overheating and to maintain the optimal temperature range. The 66L070 thermostats are often used to regulate the temperature of various industrial machines, including chillers, boilers, compressors, heaters, and pumps. These thermostats are also used in air-conditioning and refrigeration systems to ensure that the environment remains comfortable.In residential applications, these thermostats are often used in air-conditioning systems to maintain a comfortable temperature. They are also used in water heating systems, such as water heaters, to ensure an appropriate temperature for domestic purposes.

Conclusion

The 66L070 thermostats are temperature sensors primarily used in industrial, commercial, and residential applications. These thermostats work by detecting temperature changes and adjusting to maintain the desired temperature. The working principle is based on the expansion of a heat-medium pipe which increases the tension on the dial spring and causes the switch to either snap off or turn on. This process is autonomously repeated to protect the electric device from overheating and keep the temperature within a desired range.

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