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Designed to meet the highest protection and sustainability standards for ultra-low storage.

Product Selection

ModelSeriesPlug TypeCapacity (2-inch boxes)Electrical
TSX40086ATSXNEMA 5-1519.4 cu. ft., 549L (400)115V, 60Hz
TSX40086DTSXNEMA 6-1519.4 cu. ft., 549L (400)208-230V, 60Hz
TSX50086ATSXNEMA 5-1524.1 cu. ft., 682L (500)115V, 60Hz
TSX50086DTSXNEMA 6-1524.1 cu. ft., 682L (500)208-230V, 60Hz
TSX60086ATSXNEMA 5-1528.8 cu. ft., 816L (600)115V, 60Hz
TSX60086DTSXNEMA 6-1528.8 cu. ft., 816L (600)208-230V, 60Hz
TSX70086ATSXNEMA 5-1533.5 cu. ft., 949L (700)115V, 60Hz
TSX70086DTSXNEMA 6-1533.5 cu. ft., 949L (700)208-230V, 60Hz


  • Now available in an expanded range of capacities, Thermo Scientific TSX Series Ultra-Low Freezers are designed to meet the highest standards in reliability, sustainability and temperature management.
  • At the heart of the TSX Series is V-drive technology, designed to adapt to user patterns, substantially reducing energy and HVAC costs without compromising performance.
  • All TSX Series freezers are manufactured in a zero-waste facility and are built with natural refrigerants and water-blown foam insulation, compliant with the U.S. EPA’s Significant New Alternatives Policy (SNAP), the European Union’s F-Gas compliance and other sustainability standards.


  • No need to worry about where your samples are stored within the freezer. With peak variation less than 5°C, your samples are protected and safely stored throughout the entire cabinet space. *
  • Long warm-up time from -50°C to -80°C: 5.05 hours.*
  • Quiet enough to reside directly in the laboratory, rather than in the hall. At just 45.5 dBA, the TSX Series’ sound level is comparable to a home refrigerator.*
  • V-drive’s adaptive control is designed to detect usage patterns such as door openings when a higher compressor speed is needed and periods of stability where the compressor runs at a lower speed, saving energy without compromising protection.

User Friendly

  • Newly re-designed touch-screen user interface with easy-to-use: set-up wizard, event log, temperature mapping and data downloads via a built-in USB port.
  • Eliminate the need for a separate chart recorder with the touch-screen’s datalogging and temperature mapping features, all exportable via a built-in USB port.
  • Ergonomic design including comfortable door handle, eye-level touch-screen and shelf-level placement that don’t require floor-level loading of racks.
  • Four capacities (400, 500, 600 and 700 2-inch box) to accommodate a variety of storage needs and lab footprint specifications.
  • Compatible with most racking systems including a full range of Thermo Scientific racks for boxes, microplates, Thermo Scientific Matrix and Nunc CryoBank tubes.
  • Security features including alarm settings, padlock-compatible doors and optional access card entry.


  • Natural refrigerants and water-blown foam insulation, making the TSX Series compliant with the U.S. Environmental Protection Agency’s Significant New Alternatives Policy (SNAP), the European Union’s F-Gas and other sustainability standards.
  • Manufactured in an award-winning, zero-waste to landfill facility.
  • Lower HVAC costs as a result of less heat emission into the environment.


  • * Typical freezer data based on internal testing with freezer setpoint at -80°C and ambient temperature at 20°C. Performance data varies across freezer size and electrical specifications.


Thermo Scientific TSX Series Ultra-Low Freezers Product Brochure