HENGFU HF55W-D-L SWITCHING POWER SUPPLY

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The HENGFU HF55W D L is a dual output 55 /W switching power supply, delivering ±15 /V at 2 /A each, designed for industrial applications such as laser machines, automation, and LED drivers. It supports wide AC/DC input ranges, multiple protections, and operates reliably in harsh environments.

 Key Specifications

• Model: HF55W D L (also listed as HF55W DE L in some catalogs)
• Power Rating: 55 /W total
• Outputs:
  • +15 /V DC @ 2 /A
  • −15 /V DC @ 2 /A
• Input Voltage:
  • AC: 170–264 /VAC
  • DC: 240–370 /VDC
• Protections: Overload (105–150%, hiccup mode), over voltage, short circuit (auto recovery)
• Isolation Strength:
  • Input to Output: 3.0 /kVAC / 1 /min
  • Input to Ground: 1.5 /kVAC / 1 /min
  • Output to Ground: 0.5 /kVAC / 1 /min
• Operating Temperature: −30 /°C to +70 /°C (derating above 50 /°C)
• Dimensions: ~99 × 97 × 38 /mm (compact metal enclosure)
• Certifications: Built in EMI filter, designed for industrial reliability, 3 year limited warranty.

Product Highlights

• Dual isolated outputs: Ideal for analog circuits, op amp supplies, or equipment needing symmetrical ±15 /V rails.
• Industrial durability: Rugged metal case, vibration/shock tested, wide temperature range.
• High reliability: Uses branded components, 100% burn in tested.
• Applications:
  • Laser machines
  • Industrial control systems
  • Automation equipment
  • LED drivers
  • Security/monitoring systems