The Liebherr SUFsg 3501 MediLine Ultra-Low Temperature Freezer is a high-performance solution designed for the secure storage of highly sensitive substances in laboratory, research, and clinical environments. With precise temperature control down to -86 °C, advanced monitoring systems, and robust construction, it ensures maximum protection, stability, and efficiency for critical applications. Ultra-Low Temperature Range (-40 °C to -86 °C): Provides precise and stable temperature control for the safe storage of highly sensitive biological samples, vaccines, and research materials. High Temperature Stability: Maintains consistent internal conditions even at ultra-low temperatures, ensuring the integrity of stored contents over extended periods. Advanced Monitoring System: Three-stage monitoring system includes alarms for temperature deviations, door openings, and power failures, ensuring immediate awareness of critical events. Expandable options such as CO₂ emergency cooling and online monitoring further enhance protection. Battery-Backed Alarm System: Integrated 12V battery ensures that monitoring and alarm functions remain active during power outages, providing continued protection and notification. Rapid Cooling Performance: Fast pull-down time of approximately 180 minutes ensures efficient cooling after loading, while extended warm-up time (~170 minutes) helps protect contents during power interruptions. Energy Efficient Operation: Designed for efficiency at ultra-low temperatures, consuming approximately 7.5 kWh per 24 hours while maintaining high performance. High-Capacity Storage: Offers 382L net capacity with support for up to 264 trays, making it suitable for high-density sample storage. Foamed Inner Doors: Internal insulated doors improve temperature stability and reduce cold air loss, enhancing efficiency and recovery times. Stainless Steel Interior: Durable, corrosion-resistant stainless steel construction ensures long-term reliability and easy cleaning for optimal hygiene. Comprehensive Security Features: Includes a mechanical key lock and a protected mains switch with key lock to prevent accidental shutdown or unauthorised access. Integrated Cryobox Storage: Supplied with a set of 36 durable cryoboxes with fixed grid layout, allowing organised and secure storage of samples. Ergonomic Design: Aluminium lever handle ensures easy and reliable access, even in demanding laboratory environments. Reliable Construction & Longevity: Built for long-term use in critical environments, ensuring consistent performance and protection of valuable materials. The SUFsg 3501 MediLine combines ultra-low temperature precision, advanced monitoring, and robust construction, making it an ideal solution for laboratories, research facilities, and healthcare institutions requiring dependable long-term sample storage.