Effective capacity
Temperature range
-20℃ to -30℃


Power to Cope with Frequent Door Openings

Enhanced operation
  • Front-mounted display/control panel (with microprocessor) located at convenient waist height
  • Memory backup
  • Temperature display
  • Front access calibration for temperature recorder
  • The control panel, alarm system and non-volatile memory are the same for all models in the series.
  • Single electrical box makes servicing simpler.
  • The chamber temperature is displayed for five seconds if BUZZER key is depressed during power failure alarm.
  • After a power outage, operation resumes at pre-outage settings. (Non-volatile memory for temperature and alarm temperature settings)
  • Control panel can be reset to zero for validation.
  • Two access ports (right-hand side and bottom left) (chest type)
  • Four casters and two adjustable feet
Photo is MDF-U537D
Recording features (optional)

Recorder can be fitted in convenient position that will not interfere with installation. Choice of optional recorders

  • 7-day circular recorder (MTR-G85C-PE) and 32-day strip recorder (MTR-4015LH-PE) are available. (Except MDF-U443)
  • Temperature recorder with auto recharging battery
  • Front access calibration for temperature recorder
  • HFC refrigerant (non-CFC, non-HCFC refrigerant) is environment-friendly but offers superb performance.)
  • Pre-coated metal body causes less environmental damage than conventional paint coating.
Safety features
  • Alarm & Recording System
  • High/low temperature alarm
  • Power failure alarm
  • Remote alarm contact
  • Self-diagnostics function. Should an abnormality be picked up, an error code will be displayed in red figures
  • Breaker switch turns power off in event of over current abnormality
  • Balance hinges keep the lid open in any position to make this chest freezer easier to use. This means you have both hands free to work. (chest type)
  • Secure lock safeguards the contents of the freezer and keeps hazardous items out of harm’s way
  • Door latch can accommodate a pad lock for added protection of valuable samples (upright type)
  • Part replacement notification (MDF-U5312)
Newly designed lid lock
(chest type, except MDF-436).
Temperature monitoring features (optional)

Data Acquisition System enables remote monitoring of Panasonic biomedical freezers.

Data Acquisition Software
Interface board

Large Size 400-Liter Class

  • Power to cope with frequent door openings
  • Balance hinge
  • Temperature alarm
  • Power failure alarm

Product Photos


Model MDF-437
External Dimensions 1265 x 807 x 902 (mm) / 49.8 x 31.8 x 35.5 (inch)
Internal Dimensions 1140 x 550 x 733 (mm) / 44.9 x 21.7 x 28.9 (inch)
Effective Capacity 425 liters (15.0 cu. ft.)
External Cabinet painted steel
Internal Cabinet Colored aluminum plate
Door Painted steel
Insulation Rigid polyurethane foamed-in place
Access Ports 17 mm diameter, right-hand side and bottom left
Door Lock -
Casters 4
Net Weight 81 kg
Compressor Hermetic, 250 W
Refrigerant HFC (R-404A)
Alarms High / low temperature alarm (SV ± 5 °C to ± 15 °C adjustable), Power failure, Remote alarm contact (Allowablecontact capacity: DC30V, 2A)
Accessories 1 set of key, 1 scraper
Calibration Zero adjustment via control panel
  • *Cooling performance is indicated by the temperature reached at the center of the freezer (at ambient temperature of 30°C with no load). In order to use the freezer at a stable temperature for a long time, it is recommended that the temperature be set to at least 5°C higher than the indicated lowest temperature. In addition, depending on the usage conditions, it may not be possible to reach the indicated lowest temperature.
  • Caution: Panasonic guarantees the product under certain warranty conditions. Panasonic in no way shall be responsible for any loss of content or damage to content. •Appearance and specifications are subject to change without notice.
  • *1 Exterior dimensions of main cabinet only - see dimension drawings showing handles and other external projections.


MDF-437 Price Upon Inquiry. Please contact your local dealers.


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