Vestfrost VT546-45 495 Ltr Ultra-Low Temperature Chest Freezer -45°C
Product Description
The Vestfrost VT546-45 is a purpose-built ultra-low temperature chest freezer designed to reach and maintain temperatures as low as -45°C. This places it in an entirely different category from standard...
Specifications
- Capacity (litres)
- 476
- External depth (mm)
- 665
- External height (mm)
- 853
- External width (mm)
- 1664
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Product Description
The Vestfrost VT546-45 is a purpose-built ultra-low temperature chest freezer designed to reach and maintain temperatures as low as -45°C. This places it in an entirely different category from standard commercial catering freezers, which typically operate in the -18°C to -25°C range. It is built for environments where temperature stability is critical and where temperature excursions carry serious consequences — laboratories, blood banks, pharmacies, hospitals, and specialist research or food science facilities.
The single-compressor refrigeration system is designed for continuous operation, maintaining stable internal temperatures even as ambient conditions fluctuate. This kind of consistent performance matters in regulated environments where documentation and traceability are as important as the cold storage itself. The unit uses a hydrocarbon refrigerant and cyclopentane foam insulation, both of which carry a lower environmental impact than older synthetic alternatives.
From a practical standpoint, the unit is equipped to support the monitoring and compliance demands of professional storage environments:
- Digital temperature controller with clear, readable display for routine monitoring
- Audible and visual temperature alarms to alert staff to any excursion promptly
- Prepared connections for external temperature logging, supporting audit and compliance requirements
- Option to connect a CO2 backup system, maintaining cold chain continuity during a compressor event
- Lockable lid, appropriate for controlled-access or security-sensitive storage settings
Installation is straightforward on a standard supply connection, but adequate clearance around the cabinet is important given the intensity of the refrigeration cycle — restricted airflow will affect compressor performance over time. This is a substantial piece of equipment, and floor loading should be verified before installation on upper floors or mezzanine levels.
The VT546-45 is well suited to laboratories, healthcare settings, pharmacies, and research institutions with a requirement for certified ultra-low temperature storage. It is not a general-purpose catering freezer, and if your requirement sits within the standard commercial range, a conventional chest freezer will serve the purpose more economically. For sites requiring greater storage volume at ultra-low temperatures, higher-capacity models in this category are available.
If you have specific compliance, temperature range, or installation questions before committing, our team is glad to talk through the details with you.
Key Features
- Reaches and holds temperatures as low as -45°C for critical storage
- Audible and visual alarms alert staff to any temperature excursion immediately
- Prepared connections support external data logging for compliance and audit
- Optional CO2 backup connection maintains cold chain during compressor failure
- Lockable lid provides controlled access for security-sensitive storage environments
Operational Benefits
- Maintains stable ultra-low temperatures even as ambient conditions vary
- Supports regulatory compliance through integrated alarm and logging-ready design
- Reduces risk of cold chain failure with optional CO2 backup capability
- Hydrocarbon refrigerant and cyclopentane insulation lower environmental impact
- Continuous-run compressor design delivers reliable long-term performance in demanding settings
Specifications
- Capacity (litres)
- 476
- External depth (mm)
- 665
- External height (mm)
- 853
- External width (mm)
- 1664
- Internal depth (mm)
- 495
- Internal finish
- Prepainted Steel
- Internal height (mm)
- 685
- Internal width (mm)
- 1495
- Number of baskets
- 3
- Power type
- 13amp Plug
- Refrigerant
- R290
- Temperature range (deg c)
- -25 to -45
- Weight (kg)
- 108
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Frequently Asked Questions
- While the VT546-45 is capable of freezing food, its -45°C operating range goes well beyond what standard catering applications require. It is primarily specified for laboratories, pharmacies, blood banks, and research environments where materials degrade above -30°C. For general commercial food storage, a standard chest freezer operating in the -18°C to -25°C range will be more cost-effective to run.
- The unit connects to a standard supply, so no specialist electrical installation is required. However, sufficient clearance around all sides of the cabinet is important — the refrigeration cycle is intensive, and restricted airflow will reduce compressor efficiency and longevity. For installations above ground floor, floor loading capacity should be confirmed in advance given the weight of the unit.
- Yes. The VT546-45 is fitted with a digital temperature controller and visual and audible alarms, and it includes prepared connections for external temperature logging equipment. This makes it practical for environments with formal monitoring or audit requirements, though you would need to supply the external logger separately. If you have specific compliance standards to meet, it is worth discussing your setup with us before ordering.