TT Electronics/BI EN11-VSM1AQ15 Rotary Encoder. This high-quality rotary encoder offers precise mechanical input for a wide range of applications. Featuring a durable construction and reliable performance, the EN11-VSM1AQ15 is an ideal choice for panel mounting in industrial control systems, audio equipment, and test instrumentation. Its robust design ensures consistent operation in demanding environments, providing accurate digital output for rotational position sensing. The TT Electronics/BI EN11-VSM1AQ15 is supplied in tray packaging for efficient integration into manufacturing processes.