VC30SDD Solar Direct Drive Refrigerator

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VC30SDD Solar Direct Drive Refrigerator

The VC30SDD refrigerator has a capacity of 25.5 litres and is the smallest in the Dulas range of Solar Direct Drive (SDD) Vaccine Refrigerators.

Our sophisticated control systems optimise performance in real world conditions.  The VC30SDD has an autonomy time of 72 hours and 9 minutes, keeping your vaccines safe and alleviating functionality concerns through rainy or dull periods.

Drawing on our four decades of experience in the solar refrigeration industry, Dulas Solar Direct Drive refrigerators are designed to be the most reliable vaccine storage solutions available on the market today.

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Features & Benefits

  • 5 litre vaccine storage capacity with extremely stable +2°C to +8°C internal temperature
  • +5°C to +43°C extended ambient operating temperature range
  • 72hr 09min autonomy at +43°C
  • Freeze-Free® technology to ensure vaccines are never exposed to harmful sub-zero temperatures.
  • In-built handle with lock
  • In-built solar-powered temperature display
  • Heavy-duty castors to make handling easier
  • Grade A User-independent freeze protection (UIFP)
  • Completely battery free, with plug-and-play connectors for easy installation
  • British made
  • CFC-free
  • LED status indicator

Technical Specifications


Net vaccine storage capacity 25.5 litre
Climate zone Hot zone (+43°C)
Minimum rated ambient temperature +5°C
Autonomy time 72hr 09min at +43°C
Recommended solar array size > 260 Wp


External: H x W x D 987 x 890 x 740 mm
Shipping weight 115 kg
Gross volume 39 litre
Storage baskets 1

Technical Details

Operating voltage 24 to 45 Vdc
Minimum starting voltage 24 Vdc
Minimum starting power 40 W
Minimum solar radiation for continuous running 150 W/m2 (using 260 Wp array)
Compressor Danfoss / Secop BD35K
Refrigerant R600a

WHO Pre-qualification

Test procedure E003/RF05.UP.4
Performance specification E003/RF05.4
PQS reference E003/085

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