USP-225-5 datasheet by Mean Well

USP-225-5 Frequently Asked Questions (FAQs)

• What is the maximum ambient temperature for the USP-225-5?
  The maximum ambient temperature for the USP-225-5 is 60°C, but it can be derated to 40°C for full load operation.
• Can I use the USP-225-5 in a high-humidity environment?
  Yes, the USP-225-5 is designed to operate in humid environments, but it's recommended to keep the relative humidity below 90% to prevent condensation.
• What is the minimum load requirement for the USP-225-5?
  The USP-225-5 requires a minimum load of 20% to maintain stable output voltage and ensure reliable operation.
• Can I parallel multiple USP-225-5 units to increase the output power?
  Yes, you can parallel multiple USP-225-5 units, but it's recommended to use a master-slave configuration and ensure that the units are identical and from the same production batch.
• What is the hold-up time for the USP-225-5?
  The hold-up time for the USP-225-5 is approximately 16ms, which means the output voltage will remain stable for at least 16ms in the event of an input power failure.