Liebherr explosion-proof (ATEX) laboratory refrigerators
Liebherr explosion-proof (ATEX) laboratory refrigerators are specifically designed for the safe storage of flammable solvents, hazardous chemicals and sensitive laboratory samples.
The refrigerators provide stable and uniform temperature control, which is essential for preserving the quality of reagents and samples.
They are an ideal solution for chemical, pharmaceutical and research laboratories where safe laboratory refrigeration is a fundamental requirement.
Explosion-proof design – ATEX certified
The interior chamber of the appliances is explosion-proof (Ex), with the following ATEX marking:
II 3/- G Ex h IIC T6 Gc/-
- The chamber interior is suitable for Zone 2 explosive gas atmospheres
- The refrigerator contains no spark-generating components
- The interior is safe even in the presence of gases such as hydrogen or acetylene
One of the key benefits that sets Liebherr appliances apart on the market is the 5-year comprehensive warranty. This means more than just a longer warranty period; it also provides genuine peace of mind: the manufacturer is confident in the long-term reliability of the equipment, allowing users to plan for predictable, stable operation.
The 5-year comprehensive warranty is particularly important for users who:
• operate a laboratory continuously
• cannot afford unexpected downtime or temperature fluctuations
• require a reliable and auditable long-term solution
Antimicrobial lever handle for hygienic use
Liebherr equips all laboratory refrigerators and freezers with plastic interiors with an antimicrobial-coated lever handle. This design actively supports hygienic operation and reduces the risk of microbiological contamination.
Potential-free alarm relay
The appliances feature a potential-free alarm relay, allowing connection to a building management system (BMS) or external alarm system. In the event of an alarm, the relevant control centre is notified immediately, enabling rapid intervention in critical situations.
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Available models:
| Feature Model | SRFfg 5501 | SRFfg 4001 | SRFfg 3501 |
|---|---|---|---|
| Gross / net volume | 558 / 441 l | 394 / 298 l | 344 / 261 l |
| External dimensions in mm (W/D/H) | 747 / 769 / 1684 | 597 / 654 / 1884 | 597 / 654 / 1684 |
| Internal dimensions in mm (W/D/H), | 600 / 537 / 1460 | 460 / 422 / 1660 | 460 / 423 / 1460 |
| Heat output | 408 kJ/h | 454 kJ/h | 388 kJ/h |
| Refrigerant | R 600a | ||
| Noise level | 49 dB(A) | 49 dB(A) | 48 dB(A) |
| Power supply requirements | 220 – 240V~ / 50 Hz 2,0 A, 145 W | 220 – 240V~ / 50 Hz 2,0 A, 140 W | 220 – 240V~ / 50 Hz 2,0 A, 120 W |
| Cooling system / Defrosting method | fan-assisted / automatic | ||
| Temperature range | +3 °C – +16 °C | ||
| Gradient /max. fluctuation | 3,7 °C / 3,0 °C | 5,1 °C / 3,2 °C | 3,6 °C / 3,1 °C |
| Controller type | Monochrome display with touch controls | ||
| Mains power failure alarm | When mains power is restored | ||
| Fault alarm | visual and audible | visual and audible | visual and audible |
| SmartMonitoring enabled / Network connection method | yes, SmartModule | yes, SmartModule | yes, SmartModule |
| Networking solution / Interface | Retrofittable, WLAN/LAN (optional) | Retrofittable, WLAN/LAN (optional) | Retrofittable, WLAN/LAN (optional) |
| Adjustable storage shelves | 5 | 5 | 4 |
| Storage shelf material | glass | glass | glass |
| Usable shelf dimensions, mm (width / depth) | 600 / 537 | 460 / 422 | 460 / 423 |
| Storage shelf load capacity / shelf | 40 kg / 300 kg | 40 kg / 225 kg | 40 kg / 180 kg |
| Probe access port | 1 x Ø 10 mm | ||
| Lockable design | Yes | ||
| ATEX certification | Yes | ||