400 W Flex ATX / 1U Power Supply – FSP400-50FDB

The FSP400-50FDB is a durable, high-performance 400 W Flex ATX / 1U industrial Level of power supply, engineered for use in demanding environments such as servers, NAS units, and industrial automation. Supporting universal input (90–264 VAC) With an 80 PLUS Bronze rating, this supply delivers reliable and efficient power, operating up to 5,000 meters above sea level with low ripple and noise. The product also offers protections against over-current (OCP), over-voltage (OVP), over-temperature (OTP), short-circuit, and resettable power shutdown. it includes as well a 100% high-potential (Hi-pot) tested, a burn-in at 50 °C and an MTBF of 100,000 hours. Cooling is done by a built-in 40 mm cooling fan. With its global Certifications , safety and EMC standards, it’s great for regulated applications.

Key Features

• Compact Form: 150 × 81.5 × 40.5 mm, ideal for space-constrained installations.
• Power & Efficiency: 400 W continuous output with 80 PLUS Bronze efficiency for reduced heat and energy cost.
• Effective Cooling: 40 mm fan ensures thermal stability and less noise.
• Full Electrical Protection: OCP, OVP, short-circuit protection on all outputs, resettable shutdown.
• Altitude-Tolerant: Designed to operate reliably up to 5,000 m elevation.
• Quality Assurance: 100 % Hi-Pot and burn-in tested; MTBF of 100,000 h.
• Universal Compatibility: Supports 90–264 VAC via C14 inlet.
• Multiple Rails Output:
  • +3.3 V at 14 A
  • +5 V at 16 A
  • +12 V at 33 A
  • –12 V at 0.5 A
  • +5 VSB at 3 A
  Combined +3.3 V and +5 V output limited to 90 W.
• Certifications & Compliance: UL, CSA, FCC, TUV, Nemko, CE, CCC, BSMI.