Product Notice: Update Screw Tightening Torque for Panel Mount Power Supplies PMT2 and PMR Series


For Delta’s panel mount power supplies PMT2 and PMR Series, the maximum recommended screw tightening torque for mounting holes using M3 screws is 7 kgf.cm (6.08 lbf.in), which is superior to the industrial standard of 5 kgf.cm (4.33 lbf.in) based on the same screw material.


To prevent the use of screws that do not meet industrial standards, potentially causing thread slippage or installation matching issues, Delta has updated the maximum recommended screw tightening torque in the datasheets and manuals from 4~7 kgf.cm (3.47~6.08 lbf.in) to 4~5 kgf.cm (3.47~4.33 lbf.in).


Please refer to the table below for more details. The updated datasheets and manuals are now available on the DeltaPSU website. Should you require any further clarification, please reach out to us via our Contact Us Form.


Change Details:

Product Series Models Change Details
PMT2 PMT-xxV35W2BAx
PMT-xxV50W2BAx
PMT-xxV75W2BAx
PMT-xxV100W2BAx
PMT-xxV150W2BAx/2CAx
PMT-xxV200W2Bx
PMT-xxV350W2Bx
PMT-DxV75W2BAx/2CAx


PMR PMR-xxV150W1AT
PMR-xxV240W1AT
PMR-xxV320W1AT
PMR-xxV600W1BT

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