Mean Well DR-RDN20 Series

  • 20A redundancy (decoupling) module for 24vdc power system
  • Containing 2 sets of 20A ORing diodes with great heat dissipation, DR-RDN20 offers a safe 1+1 redundant set-up
  • Decouples 24 volt power sources from each other
  • Input voltage range: 21~28vdc (two separate inputs)
  • Operating temperature range: -20~+70°C
  • Monitoring signals: LED indicator for each input and input voltage alarm
  • Installed on DIN rail TS35 /7.5 or 15
  • Mean Well 3 year warranty
  • TRC Electronics is the USA stocking headquarters of Mean Well 20A DR-RDN20 series redundancy (decoupling) module for 24vdc DIN rail power supplies. Contact us for award winning service.
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Mean Well
Model #
DR-RDN20 21~28vdc 20A

Suggested Applications:
1) 1 + 1 Redundancy. Use 1 additional power supply as the redundant unit.

Block Diagram
2) 1 + N Redundancy. Use additional PSUs as the redundant units to increase reliability.

Block Diagram
3) Single Use: Connecting only one Power Supply to one DR-RDN20 to reduce the stress of the diodes and increase reliability.

Block Diagram

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