Use the following command to display information about device PSU:
pbnoscli# show platform psustatus
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PSU Model Serial Hardware Revision Voltage (V) Current (A) Power (W) Status LED
============================================================================================================================================
PSU 1 N/A N/A N/A N/A N/A N/A NOT OK red
PSU 2 MTEF-PSF-AC-C MT2042X11384 A3 12.035 7.273 88.5 OK red
pbnoscli#