FAQ No. FAQ01936
What factors should be considered when selecting a Power Supply?
Select Power Supplies based on the following
1) What are Power Supplies’ input voltage specifications?
Example: When the input voltage is 100 VAC, select a model with a 100 to 240 VAC
range or automatic selection of 100 or 200 VAC.
2) What are the load's DC voltage specifications?
Select a DC voltage such as 12 VDC or 24 VDC.
3) What is Power Supplies capacity requirement?
Example: Select Power Supplies so that the maximum load capacity is less than the
Power Supplies' output capacity.
4) What is the mounting location and mounting method?
If it is important to save space in a control panel and Power Supplies
will be mounted to a DIN Track, use Power Supplies such as the S8VS or
5) Are advanced functions required?
You want to display the output current and monitor when Power Supplies are
due for replacement.
→ S8VS Series
You want to use the remote sensing and remote control functions.
→ S82L, etc.
You want Power Supplies to support peak loads.
→ S82F-P Series
You want to use the overload protection function.
→ S82J (most models),
S8VS, S8PS, etc
You want to backup operation with batteries if the AC power input is
→ S8TS Series or
You want the use the output voltage detection alarm function.
Other Power Supply
Are there models available that support serial operation?
Is the Power Supply's input side (primary) isolated from the output side (secondary)?
What is serial operation?