DRDN20-12 MEAN WELL 12V / 20A Power Supply Redundancy Module

DRDN20-12 MEAN WELL 12V / 20A Power Supply Redundancy Module

SKU: PSM-1140

20A DIN rail Redundancy Module to improve overall system operation reliability; Support 1+1 and N+1 redundancy system; 2 channels input and 1 output; DC OK; Input 12Vdc

  • Manufacturer: Mean Well
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  • $35.43
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The DRDN20-12 from Mean Well is a slimline 20A DIN rail Redundancy Module to improve overall system operation reliability; It supports 1+1 and N+1 redundancy systems. Features two 12VDC channels input and one 12VDC output and a DC OK Alarm Status.


  • Normal Input Voltage: 12 VDC
  • Min and Max Input Voltage: 9 VDC and 14VDC
  • Output Current: 20 A 
  • Isolation Voltage: 500V
  • Under-Over Voltage Alarm: <8.5V or >14.7V (±5%)
  • Alarm Relay Contacts: 30 VDC, 1 A
  • Working temperature: -40 to 80 °C
  • MTBF: 611.82K hrs min.
  • Dimensions: 32 × 125 × 102 mm
    • SKU
      PSM-1140
    • Weight
      0.5 kg
    • Dimensions (L x W x H)
      22 x 13 x 7 cm

Faulty Goods and Warranty

Where such goods have been supplied we undertake to repair or replace them as quickly as possible.Prior to returning faulty items, please contact us with a description of the fault as one of our engineers might be able to assist you by resolving the issue over the phone.
A Warranty form must be filled out and returned with any goods.

Our standard warranty period is 12 months from the date of purchase unless stated otherwise.

Other warranty periods:

Labjack Products: 5 Years
Atop Products: 3 Years
MeanWell Products: 3 Years
Terracom Products: 3 Years

Warranty is subject to us being satisfied that a defect was caused by defective workmanship or materials and was not caused by or was not substantially contributed to by other factors beyond our control including incorrect installation, alterations or modifications of the product not recommended by the manufacturer.

Returns Policy

If you are dissatisfied with our goods you may return them within 14 days of the dispatch date. Contact us for an authorisation and we will refund your purchase less shipping costs and restocking fees. All returned goods MUST be in AS NEW condition including ALL PACKAGING and DOCUMENTATION / MANUALS etc.

Please note:

  • The product returned will attract a 20% restocking fee.
  • The customer must pay the delivery costs.
  • Non standard, custom made or a specially manufactured or imported products are not returnable.
  • Semiconductors, books and software are not refundable

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