21 Cu. Ft. White Diamond Series Ultra Low Temperature (115V) Freezer

Product Number: NSWDUF211JWJ/0


  • Operating temperature range: -50ºC to -86ºC
  • Next generation 1HP low noise high efficiency compressors
  • Exclusive cascade refrigeration and cabinet design
  • Microprocessor temperature controller with LED digital display
  • High/low audible and visual temperature alarms, remote alarm contacts
  • Door ajar alarm, on board diagnostics, surge protector, password protection, real time clock and battery backup of controller display
  • UL, C-UL listed
  • Warranties: Two year parts and labor warranty, plus an additional three year compressor parts warranty
  • 21 Cu.Ft. Capacity
  • One solid swing exterior door, right hinged, not reversible
  • Five insulated inner doors
  • Four stainless steel shelves, adjustable on ½” centers
  • Cam action handle for one hand latching of exterior door. 
  • Handle supplied with key lock and door switch for audible and visual alarms
  • Four heavy duty swivel casters with locks
  • Vacuum relief port for quick access after door closures
  • CFC-free refrigerant
  • Two year parts and labor warranty, plus an additional three year compressor parts warranty
  • Exterior Dimensions:
    Width: 43.3"
    Depth: 36.3"
    Height: 79.6"
  • 2" box capacity:  400 ea.
  • Upright freezer rack capacity:  25 ea. UF442 racks
  • 115V, 60Hz, 16 amp, HP: ½  x ½
  • UL/C-UL listed
  • NEMA plug configuration:  NEMA 5-20
  • Cascade refrigeration system
  • Shipping weight:  759 lbs.
  • Microprocessor controller specifications
  • Touch pad keys and four line display for easy programming
  • Large LED temperature readout
  • Audible and visual alarms with silence key for audible alarms
  • Programmable high and low temperature alarm set points
  • Programmable access code to limit access to set points and controller configuration
  • Automatic voltage boost to compensate for low line voltages
  • Normally open, normally closed alarm contacts and 4-20mA signal available to connect to central alarm system
  • RS-232 serial output
  • Battery backup on electronics during power outages
  • Temperature range: -50°C to -86°C