NR85AB0

Series:	Komatsulite™, NR
Part Status:	Active
Circuit:	SPST-NC
Switching Temperature:	185°F (85°C)
Reset Temperature:	104°F (40°C)
Current Rating - AC:	--
Current Rating - DC:	25A (12V)
Tolerance:	±9°F (±5°C)
Switching Cycles:	6K
Termination Style:	Solder Pad
Mounting Type:	Surface Mount
Package / Case:	2-SMD

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Introduction

NR85AB0 is a mechanical thermostat manufactured by EBRO Electronic GmbH. It is used as a temperature sensing device in a variety of processes and applications. It operates based on a two-sided thermistor which detects and reacts to temperature changes. It is also capable of controlling several devices simultaneously. This article will discuss NR85AB0 application fields and working principle in detail.

Application Fields

NR85AB0 is employed in a wide range of applications; from cooling systems and heaters where temperatures are relatively low to motors and other elements that require temperatures of up to 150°C. It is commonly used in air compressors to regulate and maintain the temperature inside the compressor. It can also be utilized in the medical industry, where its precision and accuracy are invaluable, as well as in food processing, chemicals, and other industries where controlling temperature is critical.

Working Principle

The NR85AB0 mechanical thermostat works by sensing and reacting to changes in temperature. It consists of two thermistors: one at the top of the device and another at the bottom. The thermistor on the top is used to detect higher temperatures, while the thermistor on the bottom detects lower temperatures.When the temperature rises and reaches a certain point (which can be preset using the device’s programming), the top thermistor opens and the bottom thermistor closes. This process is repeated when the temperature falls and reaches the preset level for the bottom thermistor. Each time this happens, the NR85AB0 produces an electrical signal which can be used to control various devices, such as heaters, motors, and more.

Conclusion

The NR85AB0 is a mechanical thermostat that is capable of detecting and reacting to temperature changes. It is commonly used in a variety of applications such as cooling systems, motors, medical equipment, food processing, and more. It works based on the two-sided thermistor principle, which consists of two thermistors that detect progressions in temperature and, upon reaching a preset point, cause the device to send an electrical signal.

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