Temporarily unavailable. Yamato Scientific America has temporarily suspended sales of the ULF and LTF freezer series to comply with EPA and CARB refrigerant requirements. Yamato is replacing them with the VUF and VLF series.
Why order the ULF401C from LabSupplies.com
Key Features
- Cascade refrigeration: two hermetic compressors with CFC-free R-508B and R-404A refrigerants reach -40°C to -85°C.
- Digital control: dual display shows setpoint and chamber temperature, with a scan button and tamper-proof lockout.
- Battery-backed alarm: audible and visual signals on mechanical or electrical failure, plus over/under-temperature settings, silencing switch, and battery test switch.
- Power-failure recovery: automatic timer restarts the unit after an outage.
Specifications
| Specification | Detail |
|---|---|
| Capacity | 12 cu.ft. |
| Temperature Range | -40°C to -85°C |
| Defrost | Manual |
| Interior Capacity | 340 L / 12 cu.ft. |
| Rack Capacity | 27 racks |
| Interior Dimensions | 55" × 19" × 20" (139 × 48 × 50 cm) |
| Exterior Dimensions | 65.5" × 32" × 47.5" (166 × 81 × 120 cm) |
| Temperature Control System | Digital control with dual display (set point and chamber temperature); scan button for temperature setting; tamper-proof lockout |
| Refrigeration System | Cascade type — two hermetic compressors |
| Refrigerant | CFC-free R-508B and R-404A (CFC- & HCFC-free) |
| Condenser | Air-cooled with two heavy-duty fans; no liquid coolant required |
| Alarm System | Battery-operated alarm emits an audible and visual signal on mechanical or electrical failure; over- and under-temperature settings, alarm silencing switch, and battery test switch; relay provided for remote alarm hook-up |
| Power Failure Recovery | Automatic timer system restarts the unit after a power failure |
| Electrical Requirements | 115V / 208V / 230V, 60 Hz, 1-phase; 220V, 50/60 Hz, 1-phase |
| Optional Accessories | Chart recorder; CO₂ and LN₂ back-up system; racks; cold safety gloves |
| Material | Chamber is 14-ga. Zinc coated galvanized steel. Exterior is 16-ga. steel. Power coated cool gray |
| Country of Origin | USA |
| GTIN (Barcode) | 797059929870 |
| Shipping Weight | 825 lbs |
| Shipping Dimensions (L × W × H) | 70 × 40 × 55 in |
| Component Size | 12 CF |
| Other Certification | UL Listed |
| Warranty | 1 year (Yamato Scientific America) |
| Service | Calibration and preventive maintenance on site by Yamato-certified technicians or at Yamato's California service center |
Compare ULF Series Models
| Model | Capacity | Temperature range | Racks | Interior (W × D × H) | Exterior |
|---|---|---|---|---|---|
| ULF001C | 2 cu.ft. | -40°C to -85°C | 6 racks | 17" × 14" × 14" (43 × 35 × 35 cm) | 25.25" × 25.75" × 40" (64 × 65 × 101 cm) |
| ULF101C | 3 cu.ft. | -40°C to -85°C | 8 racks | 24" × 12" × 18" (60 × 30 × 45 cm) | 34.5" × 25.25" × 48" (87 × 64 × 121 cm) |
| ULF201C | 5 cu.ft. | -40°C to -85°C | 15 racks | 30" × 18" × 16" (76 × 45 × 40 cm) | 40.5" × 31" × 47" (102 × 81 × 119 cm) |
| ULF301C | 9 cu.ft. | -40°C to -85°C | 16 racks | 46" × 16" × 20" (116 × 40 × 50 cm) | 57.5" × 29" × 46.5" (146 × 73 × 116 cm) |
| ULF401C (this model) | 12 cu.ft. | -40°C to -85°C | 27 racks | 55" × 19" × 20" (139 × 48 × 50 cm) | 65.5" × 32" × 47.5" (166 × 81 × 120 cm) |
| ULF501C | 14 cu.ft. | -40°C to -85°C | 30 racks | 62" × 20" × 20" (157 × 50 × 50 cm) | 72.5" × 33" × 47.5" (184 × 83 × 120 cm) |
| ULF601C | 17 cu.ft. | -40°C to -85°C | 36 racks | 69" × 20" × 21" (175 × 50 × 53 cm) | 81.25" × 33.5" × 48.5" (206 × 85 × 123 cm) |
| ULF701C | 21 cu.ft. | -40°C to -80°C | 36 racks | 81" × 21.5" × 21" (205 × 54 × 53 cm) | 91" × 36" × 49" (231 × 91 × 124 cm) |
| ULF801C | 22 cu.ft. | -40°C to -85°C | 36 racks | 67" × 19" × 30" (170 × 48 × 76 cm) | 98" × 36" × 43.5" (248 × 91 × 110 cm) |
| ULF901C | 27 cu.ft. | -40°C to -80°C | 48 racks | 67" × 23" × 31.25" (170 × 57 × 79 cm) | 98" × 36" × 43.5" (248 × 91 × 110 cm) |
Ordering Information
| Catalog number | GTIN / UPC |
|---|---|
| ULF-401C | 797059929870 |
| Manufacturer | Yamato Scientific |
| Manufacturer part number | ULF-401C |
| UNSPSC | 41103000 — Ultra Low Freezer |
| Export classification (ECCN) | EAR99 |
Documents & Downloads
More in This Series
- Yamato ULF201UN Undercounter Ultra Low Freezers -40°C To -85°C, 3 cu.ft., Manual Defrost
- Yamato ULF401U Upright Style Ultra Low Freezers -40°C To -85°C, 13 cu.ft., Manual Defrost
- Yamato ULF501C Chest Style Ultra Low Freezers -40°C To -85°C, 14 cu.ft., Manual Defrost
- Yamato ULF301CP Platinum Chest Style Ultra Low Freezers -40°C To -85°C, 9 cu.ft., Manual Defrost
- Yamato ULF501U Upright Style Ultra Low Freezers -40°C To -85°C, 18 cu.ft., Manual Defrost
- Yamato ULF201CP Platinum Chest Style Ultra Low Freezers -40°C To -85°C, 5 cu.ft., Manual Defrost
View all Ultra-Low Temperature Freezers →
Frequently Asked Questions
How much storage capacity does this freezer provide?
The chamber offers 340 L / 12 cu.ft. of interior capacity and accepts up to 27 racks. Interior dimensions measure 55" × 19" × 20" (139 × 48 × 50 cm).
What electrical supply does the ULF401C require?
It operates on 115V, 208V, or 230V at 60 Hz, or 220V at 50/60 Hz, all single-phase. Confirm your site circuit before installation to match the unit's configuration.
What happens during a power failure?
An automatic timer system restarts the unit after a power failure. A battery-operated alarm also emits audible and visual signals on mechanical or electrical failure, with a relay provided for remote alarm hook-up.
What is the UNSPSC code for the Yamato ULF401C?
The Yamato ULF401C is classified under UNSPSC 41103000 (ultra low freezer).
Where is the Yamato ULF401C manufactured?
Yamato Scientific lists USA as the country of origin for the ULF401C.
Is there a spec sheet or brochure for the Yamato ULF401C?
Yes. The Yamato ULF Series Ultra-Low Freezer brochure (845 KB PDF) is linked under Documents & Downloads on this page.
How does the Yamato ULF401C compare with the other ULF Series models?
Yamato builds this ULF Series line in 10 sizes: 2 cu.ft. (ULF001C), 3 cu.ft. (ULF101C), 5 cu.ft. (ULF201C), 9 cu.ft. (ULF301C), 12 cu.ft. (ULF401C), 14 cu.ft. (ULF501C), 17 cu.ft. (ULF601C), 21 cu.ft. (ULF701C), 22 cu.ft. (ULF801C) and 27 cu.ft. (ULF901C). The comparison table on this page lists capacity, temperature range, racks, interior (w × d × h) and exterior side by side.
Which alarms does the Yamato ULF401C have?
Yamato lists these alarms for the ULF401C: battery-operated alarm emits an audible and visual signal on mechanical or electrical failure; over- and under-temperature settings, alarm silencing switch, and battery test switch; relay provided for remote alarm hook-up.
What are the interior dimensions of the Yamato ULF401C?
The Yamato ULF401C chamber measures 55" × 19" × 20" (139 × 48 × 50 cm) inside (W × D × H).
How many storage racks does the Yamato ULF401C hold?
Yamato rates the ULF401C at 27 racks in 340 L / 12 cu.ft. of storage.
What refrigeration system does the Yamato ULF401C use?
The Yamato ULF401C uses cascade type — two hermetic compressors, CFC-free R-508B and R-404A (CFC- & HCFC-free) refrigerant and manual defrost.
What certifications does the Yamato ULF401C carry?
Yamato lists the ULF401C as UL Listed.
What optional accessories are available for the Yamato ULF401C?
Yamato offers these options for the ULF401C: chart recorder; CO₂ and LN₂ back-up system; racks; cold safety gloves.
What are the electrical requirements for the Yamato ULF401C?
Yamato specifies 115V / 208V / 230V, 60 Hz, 1-phase; 220V, 50/60 Hz, 1-phase for the ULF401C.
What are the shipping dimensions and weight of the Yamato ULF401C?
Yamato's shipping data lists the ULF401C at 70 × 40 × 55 in and 825 lb packed.
