SE-450-48 datasheet by Mean Well

SE-450-48 Frequently Asked Questions (FAQs)

• What is the maximum operating temperature range for the SE-450-48?
  The maximum operating temperature range for the SE-450-48 is -20°C to 60°C, with a derating of 2.5% per °C above 40°C.
• Can I use the SE-450-48 in a high-humidity environment?
  Yes, the SE-450-48 is designed to operate in humid environments, with a relative humidity of up to 95% non-condensing.
• What is the hold-up time for the SE-450-48?
  The hold-up time for the SE-450-48 is approximately 16ms, which means the output voltage will remain stable for at least 16ms in the event of an input power failure.
• Can I parallel multiple SE-450-48 units to increase the output power?
  Yes, the SE-450-48 is designed to be paralleled, but it's recommended to use a master-slave configuration to ensure stable operation and to prevent oscillation.
• What is the MTBF (Mean Time Between Failures) rating for the SE-450-48?
  The MTBF rating for the SE-450-48 is approximately 550,000 hours, calculated according to MIL-HDBK-217F.