Allied Electronics, Inc. Datasheets for Absolute Rotary Encoders

Absolute rotary encoders use optical, mechanical, or magnetic indexing for angular measurement. They do not lose their position after power-down, but instead provide absolute position upon power-up without requiring a home cycle or any shaft rotation.
Absolute Rotary Encoders: Learn more

Product Name Notes
Encoder, 5 Ohms Contact Resistance, 1000 VAC Dielectric Withstanding Voltage The series 510 controls are manually operated, rotary, mechanical encoders that provide a two-bit gray code for relative reference applications...
ENCODER, ABSOLUTE, CONTACTING