The Allen Bradley CW 2 Type E Vertical Trimmer Potentiometer E4A101 is a single-turn potentiometer designed for PCB mounting. With a square shape and pin termination style, this potentiometer has a resistance rating of 500kOhm. It features a compact design with dimensions of 9.5mm x 9.5mm x 4.8mm, making it suitable for a variety of industrial and electronic applications. The Allen-Bradley brand ensures reliability and quality in this essential passive component.