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FAQ

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Products

Q. Why is the primary side fuse of the power supply in the live side (L phase)?
- DC-DC Converters、 AC-DC Power Supplies
Q. Please explain the specs of the vibration test.
- DC-DC Converters、 AC-DC Power Supplies
Q. Please explain the difference between the rating voltage on the nameplate seals and specifications.
- DC-DC Converters、 AC-DC Power Supplies
Q. Please explain the heat dissipation methods for power modules / onboard power supplies.
- DC-DC Converters、 AC-DC Power Supplies
Q. Is it alright to clean the products?
- DC-DC Converters、 AC-DC Power Supplies
Q. Is it a problem if the load currents of each output are not equal in ±2 output products with insulated onboard power supplies?
- DC-DC Converters、 AC-DC Power Supplies
Q. Does the power supply produce any sound?
- AC-DC Power Supplies
Q. What do the terms such as EHFP and HFP at the end of the product nameplates mean?
- DC-DC Converters、 AC-DC Power Supplies
Q. Please explain power loss of power supplies.
- DC-DC Converters、 AC-DC Power Supplies
Q. Please explain how to interpret the output power when the set voltage is used after being raised above the rated output voltage.
- DC-DC Converters、 AC-DC Power Supplies
Q. Please explain how to interpret the output power when the set voltage is used after being lowered below the rated output voltage.
- DC-DC Converters、 AC-DC Power Supplies
Q. Please describe the power consumption (loss).
- DC-DC Converters、 AC-DC Power Supplies
Q. How much output power (current) can actually be used?
- DC-DC Converters、 AC-DC Power Supplies
Q. Please provide information on support for CCC standards?
- DC-DC Converters、 AC-DC Power Supplies
Q. Can I use the AC-DC power source for DC input?
- AC-DC Power Supplies
Q. Is the AC-DC power supplies isolated?
- AC-DC Power Supplies
Q. How do I calculate the power factor?
- AC-DC Power Supplies
Q. What is the definition of the inrush current described in the product specifications?
- AC-DC Power Supplies
Q. The EMI characteristics of the power supply differ from the published data.
- DC-DC Converters、 AC-DC Power Supplies

Electrical Characteristics

Q. What is the switching frequency of the CSS Series (CSS65/CSS65A/CSS150CSS500)?
- AC-DC Power Supplies
Q. What is the overload characteristic of the CSS500?
- AC-DC Power Supplies
Q. I don't want to stop the system, so I would like to operate it redundantly (backup). Is this possible? Also, what should I be cautious of when using remote sensing during redundant operation?
- DC-DC Converters、 AC-DC Power Supplies
Q. Can I engage in parallel operation of power supplies with different specifications such as output voltage, power, etc.?
- AC-DC Power Supplies
Q. What should I be cautious of when connecting multiple units in series?
- AC-DC Power Supplies、 DC-DC Converters
Q. During capacitive load connection, a surge current that exceeds the rating flows on the output side. Can I use it?
- DC-DC Converters、 AC-DC Power Supplies
Q. Can I connect products with different capacities in a series?
- DC-DC Converters、 AC-DC Power Supplies
Q. I would like to select a breaker. What are the different times for inrush current flow?
- DC-DC Converters、 AC-DC Power Supplies

Others

Q. There are no products with the needed output voltage in the catalog. Is there any way to get around this?
- DC-DC Converters、 AC-DC Power Supplies
Q. Please explain how to select a diode during a parallel operation (backup).
- DC-DC Converters、 AC-DC Power Supplies
Q. Please provide the recommended breaker (circuit protector) capacity.
- DC-DC Converters、 AC-DC Power Supplies

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