This part is a kind of semiconductor called BII112S-15000.

Function of this product has FANUC BUILT-IN SPINDLE MOTOR.

Manufacturers : ETC

Image and pinout :

Some of the text within the PDF file :

FANUC BUILT-IN SPINDLE MOTOR BiI series MODEL NAME DIMENSIONS BiI112S/15000 Power leads 2000 6-14mm2 Outer diameter φ6.5 197 180 115 74 THR leads 2000 200 Outer diameter φ5.2 115 237 Power supply Rated torque S1 S2 10min. S3 15% AC 200V 50Nm 68Nm Output characteristics [Low winding] 20 O u tp u t (k W ) 15 10 5 S3 15% 120Nm 15kW S2 10min. 11kW S1 Weight Stator Rotor kg 5 kg 0.011kgm2 F iSP37 4000W Rotor inertia Insulation class Spindle amplifier module Cooling conditions MARKS 1190 0 0 2100 2000 4000 -1 6000 Motor Speed (min ) [High winding] 25 Output (kW) 20 15 10 5 6000 0 0 5000 10000 -1 18.5kW S2 10min. 15kW S1 17kW 13kW 14000 15000 Motor Speed (min ) •Please read FANUC AC SPINDLE MOTOR αiB series Descriptions (B-65292EN) carefully, before using this motor. [ ... ]

BII112S-15000 PDF Datasheet Download