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Thermo Scientific™ Jewett™ High-Performance Lab Freezers

Store reagents, pharmaceuticals, biologicals and other commonly used laboratory materials.

Manufacturer: thermo scientific™  JLF2330A

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Catalog No. JLF2330A

 Please call Customer Service at 1-800-234-7437 or send an email to for assistance.

Description & Specifications


Warranty Warranty varies by country, please contact us for details
Type High-Performance Freezer
Shelves 4
Width (English) Exterior 37.2 in.
Width (Metric) Interior 73.7cm
Width (English) Interior 29 in.
Voltage 115V
Dimensions (D x W x H) Interior 24 x 29 x 58 in. (61 x 73.7 x 147.3cm)
Refrigerant CFC-free
Depth (English) Interior 24 in.
Defrost Automatic
Height (Metric) Interior 147.3cm
Amperage 16A
Breaker 20A
Capacity (Metric) 659L
Doors Single, Solid
Temperature Control Microprocessor
Dimensions (L x W x H) Exterior 28 x 37.2 x 79.2 in. (71.2 x 94.5 x 201.2cm)
Shipping Weight (English) 425 lb.
Shipping Weight (Metric) 193kg
Width (Metric) Exterior 94.5cm
Electrical Requirements 115V 60Hz
Height (Metric) Exterior 201.2cm
Capacity (English) 23.3 cu. ft.
Depth (Metric) Interior 61cm
Cabinet Type Upright cabinet
Height (English) Exterior 79.2 in.
Length (Metric) Exterior 71.2cm
Plug Type 5-15P
Certifications/Compliance UL, CE
Length (English) Exterior 28 in.
Temperature Range (Metric) -30°C
Hertz 60Hz
Height (English) Interior 58 in.
Capacity 23.3 cu. ft., 659L

Store reagents, pharmaceuticals, biologicals and other commonly used laboratory materials in Thermo Scientific™ Jewett™ High-Performance Lab Freezers. Designed for medical and scientific applications, these high-performance freezers feature microprocessor control, positive airflow systems, industrial-quality cabinet construction and extra-strength refrigeration compressors selected for industrial, clinical and scientific use.

Microprocessor Control

  • Microprocessor control system with audio and visual alarms
  • Bright digital temperature displays
  • Alarm silence, ringback and automatic reset functions
  • Setpoint security with key-operated, triple-position master switch that controls power to all systems
  • Audible/visual alarms for high/low temperature and power failure
  • Battery backup and remote alarm connections
  • Temperature is factory-preset at -30°C.†


  • Rugged, long-life cabinets with smooth, scratch-resistant interiors‡ and exteriors that are easy to clean
  • High-density, CFC-free insulation
  • Solid self-closing doors with 90° stay-open feature, keyed lock for added sample security
  • Closed-cell gasket provides a positive door seal to maintain a constant interior temperature
  • Directed airflow for fast temperature recovery after door openings
  • Smooth, ergonomic full-length door handle
  • Painted open-wire shelves are adjustable in 1″ (2.5cm) increments
  • 1″ (2.5cm) insulated access port standard
  • Set of four 2″ (5.2cm) casters included, two locking and two regular

Refrigeration System

  • Heavy-duty, industrial-grade, hermetically sealed compressors
  • Automatic defrost maintains optimum cooling

Ordering Information:

Options include freestanding low-voltage booster and built-in seven-day temperature chart recorder. Contact your Customer Service Representative for more information. V and W models not available in North America.


† Performance may be affected by ambient temperature and humidity conditions, sample loading preferences, and frequency of door openings.

‡ Specified interior volumes are nominal, and usable capacities may be offset by shelves, drawers, blower coils or cabinet protrusions..