Ultra-Low-Temperature Upright Freezers
RTF Ultra-Low-Temperature Upright Freezers are designed and constructed for biological product storage. They are equipped with heavy duty hermetic compressors and gravity flow refrigerant cooling systems to maintain an operating temperature from -40°C to -86°C.
RTF Ultra-Low-Temperature Upright Freezers are available in five cabinet sizes to fit a variety of space and storage requirements. All models meet UL standards for safety and performance.
Standard Features
  • White enamel or stainless steel finishes.
  • Microprocessor-based electronic touch pad temperature control that displays set point and actual values simultaneously.
  • Two-stage gravity flow refrigerant cooling system with two hermetically sealed compressors.
  • Keyed door locks.
  • Heavy duty adjustable stainless steel shelves.
  • Heavy duty casters with locking brakes.
  • 115V or 230/208V 60A single phase power supplies (other voltages available).
​Design or specifications subject to change without notice.

Options
  • Microprocessor-based audio/visual alarm system with high- and low-temperature set points.
  • Temperature recorder with seven day chart and battery back‑up.
  • Stainless steel interior.
Model No.
Capacity
HC-207-ULT-B
4.1 cu. ft.
​HC-324-ULT-B
13.2 cu. ft.
HC-405-ULT-B
17.8 cu. ft.
HC-536-ULT-B
21.1 cu ft.
HC-678-ULT-B
24.1 cu. ft.

Model No.

Capacity

Inner
Doors

Interior Dimensions

Exterior Dimensions

Compressor

Current

Width

Height

Depth

Width

Height 1

Depth

Mounting
Position

Power

HC-207-ULT-B

4.1 cu. ft.

4 or 5

20″

18″

20″

30″

42″

28 1/2″

bottom

1/2 hp

10.3 A

HC-324-ULT-B

13.2 cu. ft.

4 or 5

22″

52″

20″

32″

80″

28 1/2″

bottom

1/2 hp

10.3 A

HC-405-ULT-B

17.8 cu. ft.

4 or 5

22″

52″

27″

32″

80″

35 1/2″

bottom

1 hp

13 A

HC-536-ULT-B

21.1 cu. ft.

4 or 5

26″

52″

27″

36″

80″

35 1/2″

bottom

1 hp

16 A

HC-678-ULT-B

24.1 cu. ft.

4 or 5

30″

52″

27″

40″

80″

35 1/2″

bottom

1 hp

16 A
Picture
RTF Manufacturing Company, LLC
793 Route 66 - Hudson, NY 12534
Call: 518-828-2180 | Email: [email protected]