Industrial-grade panel control models

Bourns Inc.'s new panel control models, the Model 54 and 56, are extensions of the Model 51/53. They include a push-pull and rotary switch and are designed for medical, industrial and avionics applications.


Bourns, Inc., announced two new industrial-grade panel control models that include a push-pull switch and rotary switch. Designated the Bourns’ Model 54, the new ½-inch panel control is an extension of Bourns Model 51/53 Series with an added double-pole, double-throw (DPDT) push-pull switch module. The Bourns Model 56 is a new ½” panel control and is also an extension of the Bourns’ Model 51/53 Series with an added single-pole, double-throw (SPDT) rotary switch module. Both new products are high-performance alternatives to readily available consumer-grade potentiometers with push-pull and rotary switches. Developed to match the requirements of a broad range of industrial, medical and aerospace/avionics applications, Bourns’ new panel control models are particularly well-suited for use in test and measurement and communications equipment. Bourns Model 54 is also an optimal solution for medical diagnostic and professional audio equipment, while the Bourns Model 56 is designed for use in avionics controls and medical laboratory equipment.

The new models measure 12.5 mm and feature metal bushings and shafts, splash seals and a wide range of linear and audio resistance tapers. Rotational life for both models is 50k cycles with contact resistance at 100 mΩ for Model 54 and 30 mΩ for Model 56. Both models are RoHS compliant.

"Bourns’ new industrial grade panel controls are significant because they provide the flexibility of a panel control plus push-pull switch or rotary switch in one compact component. In addition, the splash seal provides protection from moisture ingression in a wide variety of applications,” said Chuck Manzano, Product Specialist for Bourns, Inc. “The new panel controls provide designers with high-performance alternatives to consumer-grade potentiometers, providing end customers with enhanced reliability and improved performance as required by industrial, medical and avionics applications.”

Bourns, Inc.

- Edited by Chris Vavra, Control Engineering, 

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