ItemOracle

Mean Well RSP-500-24 24V 21A 500W DC Power Supply

MEAN WELL ★ 3.4/5 · ItemOracle Score Mid-Range

$95 USD
Price subject to change
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Mean Well RSP-500-24 DC Power Supply 500W/24V/21A PFC for 3D Printer, LED Strip Light, Industrial Control System NES/SE/S

DC power supply with universal input and built-in active PFC. 24V output up to 21A and 500W, with fan control based on case temperature. Key customer insight noted as neutral

Highlights

  • 24V 21A max output
  • built-in active PFC
  • low EMC emission and protection features

Pros

  • universal input with active PFC
  • high 24V 21A output
  • overload and short-circuit protection
  • low inrush current
  • fan on/off by case temperature

Cons

  • no explicit thermal derating details
  • rating based on limited reviews
  • customer insight labeled as None

Best For

  • 3D printer power supply
  • LED strip lighting projects
  • industrial control systems
  • lab bench power needs
  • robotic or automation setups
  • test rigs requiring stable 24V supply

Features

  • Universal AC input with full range compatibility for global use
  • Built-in active PFC with PF>0.98 and efficiency up to 89%
  • Current limiting and overload protection; rated 24V, 21A (500W)
  • Thermal-controlled fan operation: fan ON above 50C, OFF below 40C
  • Low inrush current and low electromagnetic emissions

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