Thermo Scientific TSU400A

The Thermo Fisher Scientific -86 UltraLow Freezer, Model TSU400A (19.4 Cu. Ft.)
offers the optimal preservation of sensitive biological materials, vaccines, enzymes, and more.
With a spacious 548-liter capacity, the unit provides ample room to organize and store samples
efficiently, thanks to adjustable shelving and storage configurations.

The TSU400A is equipped with advanced features, including a user-friendly touchscreen
interface for precise temperature management and monitoring.
Its superior insulation system coupled with a robust compressor guarantees exceptional
temperature uniformity and rapid temperature recovery, even during frequent door openings.

Built with reliability in mind, this freezer prioritizes sample protection through a suite of safety
features such as audible and visual alarms for temperature deviations, power failures, and door ajar situations.

Specifications:
Capacity: 548 liters / 19.4 cu. ft., 400 Standard 2″ Boxes
Temperature Range: -50°C to -85°C @ 32 °C (90°F) Ambient
Defrost: Manual
Power: 120V, 60 Hz, 1 Phase
Instrument Rated Current: 16.0 FLA
Power Switch: On-Off with Circuit Breaker
Building Supply Rating: 20.0A dedicated grounded circuit. Protected by circuit breaker rated for inductive loads
Agency Listings: UL, cUL
Plug: NEMA 5-20P, 10 Feet or 3.0 Meters
Environment: Indoor Use Only; Non-Corrosive, Non-Flammable, Non-Explosive, Good Air Ventilation, 15C – 32C (59F – 90F)
Refrigerant: CFC/HCFC-Free Enviromentally Safe Refrigerant Mixtures / Non-Flammable in both stages
Refrigeration System: Industrial-Rated Two Stage Cascade System
Compressor / Number: 1 HP Hermetic Compressor for Low Temperature Application / 2
Expansion Device: Capillary Tube On Both Cascade Stages
Evaporator Type: Cold Wall With Enhanced Heat Transfer Treatment
RS232/Remote Alarm Terminals: RS485/4-20mA output
Adjustable Warm/Cold Alarms: Fully Adjustable
Control Sensor: Single RTD (1000 ohm Platinum RTD)
Auto-Voltage Safeguard: Buck/Boost System
Insulation: High R-value Vacuum Insulation Panels and High Density Water-Blown Polyurethane Foam
Shelves / Capacity: 3 or 4 Stainless Steel Shelves Adjustable In 1″ Increments. Max. Cap. per Shelf: 73.4 kg (165 lbs.)
Casters: Standard, with locks
Dimensions, Interior: 23.1″ W x 28.3″ D x 51.2″ H inches (59 x 72 x 130 cm)
Dimensions, Exterior: 32.4″ W x 37.6″ D x 78.0″ H inches (82 x 96 x 198 cm)
Shipping Weight: 730 lbs (332 kg)