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What is the replacement front display part number for a TVS4EMA12AIC?

Blank LED screen or unit is malfunctioning.

Product Line:

EMA series Surge Protective Devices

The replacement part number is TVS3DSPHC. Only the printed circuit board (PCB) portion of the display can be replaced because the front portion is adhered to the door on the EMA SPD and is not replaceable. 
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