IXYS Westcode N540CH16-6LK-3PH 3-Phase SCR Thyristor Rectifier Stack N540CH16

IXYS Westcode N540CH16-6LK-3PH 3-Phase SCR Thyristor Rectifier Stack N540CH16 

IXYS Westcode Long Beach Inc. SCR Thyristor Rectifier Stack
Model: N540CH16-6LK-3PH
Part #: N540CH16 1225
3-Phase
Rev. 0
Used, untested, shows some dirt/wear on thyristor markings, please see photos