Janco Rotary Selector Switches & Optical Encoders

Janco Rotary Products

JANCO switches Janco MIL-Spec rotary selector switches, potentiometers, and optical encoders offer a wide range of interface possibilities and are used on virtually every commercial and military aircraft today. The Janco line of high-performance rotary products is one of the most comprehensive in the industry, with over 50,000 drawings in our design database.

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Rotary Selector Switches and Potentiometers

JANCO rotary switch

The Janco line includes a complete selection of standard-size, miniature, and micro-miniature rotary selector switches per MIL-S-3786. We also offer high-reliability potentiometers for the most environmentally demanding conditions.

Optical Encoders

For customers who require the highest reliability, our Janco optical encoders use advanced optical switching technology, without the mechanical contacts of conventional rotary switches or potentiometers.

Pushbutton Switches and Jumpers

Related Janco product lines include push button selector switches as well as a large range of high-performance jumpers and bus assemblies.

Special Purpose Switching Systems

JANCO special switching system

Customized Janco switching systems are available for special applications, such as autobrake/anti-skid system control, engine fire shut-off, collision avoidance panels, and more.