This part is a kind of semiconductor called MR-E-100A.

Function of this product has General Purpose AC Servo.

Manufacturers : MITSUBISHI

Image and pinout :

Some of the text within the PDF file :

General-Purpose AC Servo MODEL MR-E- A/AG INSTRUCTION MANUAL B Safety Instructions (Always read these instructions before using the equipment.) Do not attempt to install, operate, maintain or inspect the servo amplifier and servo motor until you have read through this Instruction Manual, Installation guide, Servo motor Instruction Manual and appended documents carefully and can use the equipment correctly. Do not use the servo amplifier and servo motor until you have a full knowledge of the equipment, safety information and instructions. In this Instruction Manual, the safety instruction levels are classified into "WARNING" and "CAUTION". WARNING CAUTION Indicates that incorrect handling may cause hazardous conditions, resulting in death or seve [ ... ]

MR-E-100A PDF Datasheet Download