MetaFridge CFD-50 Solar Direct Drive Refrigerator

CFD-50 SDD Specifications

MetaFridge SDD-50 solar vaccine refrigerator

MetaFridge CFD-50 SDD

ColdSafe technology provides safe, freeze-free cold storage

  • Provides reliable solar-powered vaccine storage for health facilities that have minimal or no mains power and extreme ambient temperatures
  • Keeps vaccines at a stable 2 to 8 °C with no risk of freezing
  • Offers 5+ days of holdover during periods of inadequate sunlight at ambient temperatures of 43 °C and even longer at lower ambient temperatures
  • Calculates and displays remaining holdover time

Solar Direct Drive offers reliability and flexibility

  • Universal PV mounting includes 3x100W PV modules and universal (roof, pole or ground) PV mounting rack with 20m cable, and 1.5m ground rod
  • Integrated energy harvesting supplies power to accessories using excess solar energy
  • Outputs include 12V (2A), 2x5V USB (1A), and 3-18V (8A) defined load output
  • Includes integrated AC input with a voltage range of 90-290V and includes surge, under-voltage, and over-voltage protection
  • Solar input is prioritized if both solar and AC are connected

Continuous monitoring, reporting and alerts

  • Continuously monitors temperature, power status and door openings
  • Smart control via real-time data collection and analysis
  • Integrated 30-day temperature logs and alarm displays
  • Visual and audible alarms for temperature excursions, improperly closed doors or low holdover time
  • Optional remote performance monitoring module enables cloud-based web dashboard for viewing performance and real-time email or mobile alerts

Smart physical design

  • Front opening for easy access
  • Includes vaccine trays
  • Robust structure protects internal components
  • Sturdy handles allow for easy transport
  • Integrated plastic base prevents corrosion
  • Tough grating prevents rodents from causing damage

The CFD-50 SDD is pre-qualified by the World Health Organization (WHO) and meets specifications for E003/RF06.3 Solar Direct Drive Refrigerator, E006/TR06.3 30-Day Temperature Record, E007/EHC1.1 Energy Harvesting. The optional remote monitoring module meets E006/TR03.1 Programmable Remote Temperature Monitoring System.

PQS catalog page for the CFD-50 SDD

For information about purchasing the MetaFridge CFD-50 SDD, please contact This email address is being protected from spambots. You need JavaScript enabled to view it..

MetaFridge technologies are covered by at least US Patents 9366483, 9726418, and 9523522, Chinese patents ZL201480070445.5 and ZL201480070513.8, and South African patent 2017/08197.