REL350E Potentiometers, Variable Resistors

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Rotary Potentiometers and Rheostats serve many general-purpose electronic design applications. The REL350E is a new Rotary Potentiometer and Rheostat specifically designed for high reliability, AC/DC applications and high-temperature environments.

REL350E Application Field

The REL350E is an advanced Rheostat and Rotary Potentiometer specifically designed for applications demanding high reliability. It is built with a rugged, stainless steel shaft and housing, and is suitable for both high reliability AC/DC and high-temperature environments. The REL350E is particularly suited to digital control applications where performance and reliability is required because it is resistant to dust and other harsh environmental conditions.

The REL350E is available in three models, each with a maximum resistance of 5 kilohms. The base version is rated to operate over an extended operating temperature range from -40°C up to +85°C and is housed in a sealed, solid state, and dust-proof ip-67 case. Two other versions are available with expanded temperature ranges, +125°C and +150°C.

The REL350E is certified for a variety of UL or CSA safety standards and EMC protection tests for both medium- and high-voltage networks.

REL350E Working Principle

The REL350E is a rotary potentiometer and rheostat combination, combining the two functions usually found in larger modules. It works by altering the output current of the application by varying the resistance of two elements. The output current is proportional to the resistance applied to the elements.

The REL350E uses a polysilicon technology embedded in a 16-bit digital logic chip, providing inherently high precision and reliability. This chip is mounted inside the housing, allowing the device to be operated in any electrical connection configuration. It also features an over-voltage protection circuit, which can be set to a predetermined power level.

In summary, the REL350E is an advanced Rotary Potentiometer and Rheostat combination designed for applications requiring high reliability, and is suitable for AC/DC and high-temperature environments. It is UL or CSA certified and features an over-voltage protection circuit, making it ideal for digital control applications.

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