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12 Volt 33 Amp Switching Power Supply




30a_psu_front 30a_psu_sticker These are 12 volt, 33 amp switching power supplies suitable for a range of high current uses. We used them for a public art installation that we were hired to engineer and install and they performed admirably for 3 months. We powered more than 200 feet WS2812 LED strips with a couple of these power supplies. Here’s a video of a small part of the installation. The power supply is very clean, here’s a scope trace taken with a load (LEDs) of about 18 amps. SCR05 Specifications:

  • Output Volts: 12 volts DC (adjustable from 9.5 to 14 volts)
  • Current: 33 amps (maximum)
  • Ripple @ 18 amps:
  • Input volts: 120/240 60/50 hz
  • Input Current 6.5A rms
  • Dimensions: 2″ x 4.5″ x 8.5″ 50.8 mm x 114 mm x 215 mm
  • Open Frame (not waterprooof)
  • 1.7 lbs

Additional information

Weight 771 g
Dimensions 8.5 x 4.5 x 2 in


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