Liebherr SFFfg laboratory freezer with ATEX 95
The Liebherr SFFfg laboratory freezer from the Performance series with ATEX 95 is specially designed for use in laboratories and commercial environments where the storage of explosive and highly flammable materials is required. Thanks to ATEX 95 certification, this appliance meets the strict requirements of EU Directive 2014/34/EU (ATEX) and therefore offers maximum safety. Compared to similar products such as the Liebherr SFF laboratory freezer with plastic inner container, the SFFfg model offers additional safety features and improved temperature stability.
Key features and benefits
The Liebherr SFFfg laboratory freezer offers a variety of features that make it an ideal choice for laboratories and industrial applications:
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Explosion-proof interior: ATEX-95 certification ensures that the appliance is suitable for the storage of explosive and highly flammable materials.
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+2°C SafetyDevice: If the temperature drops below +2°C, the SafetyDevice takes control, stabilizes the temperature and activates the alarm to protect the contents from freezing.
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Power failure info: This function reports when the appliance has been temporarily without power and what the maximum temperature was, so that potential quality losses can be better assessed.
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Min/max temperature recording: Saves the minimum and maximum values of the interior and indicates whether the storage temperatures were within the tolerance limits.
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Easy-to-clean interior: The inner container made of recyclable, robust and odorless polystyrene is seamless and therefore easy to clean.
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Entry port for external sensors: An integrated opening allows a separate sensor to be connected for additional temperature control.
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Mechanical lock: Protects the valuable and sensitive stored goods from unauthorized access.
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SmartMonitoring: The cloud-based solution continuously monitors and documents temperatures and alerts you immediately by email, text message or phone call in the event of deviations.
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Retrofittable WiFi/LAN interface: Enables simple networking with Liebherr's SmartMonitoring or local systems.
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Antimicrobial handle: The handle is treated with antimicrobial substances and is particularly hygienic.
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Replaceable door seal: The plug-in door seals can be easily replaced without tools.
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Self-closing door: The door remains open from an opening angle of approx. 90° and closes automatically underneath.
Technical data
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Lowest temperature: -30°C
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Refrigerant: R-290
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Noise level: 49 dB(A)
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Power consumption: 2A
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Cooling technology: Static
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Cooling capacity (gross): 499 l / 316 l
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Normal consumption: 1.414 kWh/24h / 1.052 kWh/24h
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Dimensions (W x D x H): 747 x 769 x 1684 mm / 597 x 654 x 1884 mm
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Internal dimensions (W x D x H): 588 x 517 x 1388 mm / 403 x 402 x 1588 mm
Certifications and standards
The Liebherr SFFfg laboratory freezer is certified in accordance with the ATEX directive and meets the requirements of EU Directive 2014/34/EU (ATEX). It therefore offers maximum safety for the storage of explosive and highly flammable materials.
Application examples
This laboratory freezer is ideal for storing sensitive and hazardous substances such as solvents, chemicals and biological samples. It is often used in research laboratories, pharmaceutical facilities and industrial environments where strict safety requirements must be met.
FAQs
How does the +2°C SafetyDevice work?
The +2°C SafetyDevice takes control when the temperature drops below +2°C, stabilizes the temperature and activates the alarm to protect the contents from freezing.
What happens in the event of a power failure?
The power failure info reports when the appliance has been temporarily without power and what the maximum temperature was, so that potential quality losses can be better assessed.
How can I connect external sensors?
An integrated opening allows you to connect a separate sensor for additional temperature control without having to drill holes or break the door seal.
Can the appliance be locked?
Yes, the appliance is equipped with a mechanical lock and two keys to prevent unauthorized access.
Conclusion
The Liebherr SFFfg laboratory freezer with ATEX 95 offers a combination of safety, reliability and ease of use that makes it an ideal choice for laboratories and industrial applications. With its numerous features and certifications, it ensures that your valuable and hazardous materials are stored safely. Similar products such as the Liebherr SRFfg laboratory refrigeration unit with ATEX 95 also offer high safety standards and can be considered as an alternative.
alarm: |
acoustical, optical |
Scope of application: |
commercial freezer, laboratory freezer |
Series: |
Performance |
Width (refrigerator): |
597 mm, 747 mm |
Width inside (refrigerator): |
403 mm, 588 mm |
Display: |
Monochrome display, Touch-Buttons |
Noise level: |
49 dB(A) |
Glass door: |
without |
Height (refrigerator): |
1684 mm, 1884 mm |
Height inside (refrigerator): |
1388 mm, 1588 mm |
Refrigerant: |
R-290 |
Cooling capacity (gross): |
316 l, 499 l |
Cooling technology: |
Freezer |
Cooling (Cooling technology): |
static |
Average consumption: |
1.052 kWh/24h, 1.414 kWh/24h |
Power consumption: |
2A |
Depth (refrigerator): |
654 mm, 769 mm |
Depth inside (refrigerator): |
402 mm, 517 mm |
Lowest temperature: |
- 30°C |
lockable: |
yes (door) |
automatic defrost: |
without |
Explosion proof: |
yes |
Liebherr Laboratory Freezer |
SFFfg 5501 Performance |
SFFfg 4001 Performance |
Gross / net volume |
499 / 394 l |
316 / 242 l |
External dimensions in mm (W / D / H) |
747 / 769 / 1684 |
597 / 654 / 1884 |
Interior dimensions in mm (W / D / H) |
588 / 517 / 1388 |
403 / 402 / 1588 |
Energy consumption in 365 days1
|
516 kWh |
384 kWh |
Ambient temperature |
+10 °C to +35 °C |
+10 °C to +35 °C |
Refrigerant |
R 290 |
R 290 |
Sound power level |
49 dB(A) |
49 dB(A) |
Voltage / connected load |
220-240V~ / 2.0 A |
220-240V~ / 2.0 A |
Cooling system |
static |
static |
Defrosting method |
manual |
manual |
Temperature range |
-9 °C to -30 °C |
-9 °C to -30 °C |
Gradient2 / max. fluctuation3
|
5.4 °C / 3.3 °C |
5.2 °C / 2.4 °C |
Housing material / colour |
Steel / white |
Steel / white |
Door version |
Solid door |
Solid door |
Material inner container |
White plastic |
White plastic |
Type of control |
Monochrome display, touch buttons |
Monochrome display, touch buttons |
Mains failure alarm |
on mains return |
on mains return |
Fault alarm |
visual and audible |
visual and audible |
Potential-free contact |
yes |
yes |
Type of networkability |
SmartModule |
SmartModule |
Networking solution |
Retrofittable |
Retrofittable |
Interface |
WLAN/LAN (optional) |
WLAN/LAN (optional) |
Adjustable shelves |
4 |
5 |
Material of shelves |
Glass |
Glass |
Usable W / D of the shelves in mm |
588 / 517 |
403 / 402 |
Load capacity of shelf / unit |
40 kg / 300 kg |
40 kg / 270 kg |
Handle |
Antimicrobial handle with opening mechanism |
Antimicrobial handle with opening mechanism |
Type of lock |
mechanical |
mechanical |
Door hinge |
right changeable |
exchangeable on the right |
Gross / net weight |
100 / 95 kg |
82 / 76 kg |
Liebherr Laboratory Freezer |
SFFfg 4001 (with drawers) |
Gross / net volume |
316/190 l |
External dimensions in mm (W/D/H) |
597/654/1884 |
Internal dimensions in mm (W/D/H) |
403/402/1588 |
Energy consumption in 365 days |
384 kWh |
Ambient temperature |
+10 °C to +35 °C |
Heat output |
529 kJ/h |
Refrigerant |
R 290 |
Sound power level |
49 dB(A) |
Frequency / voltage |
50 Hz / 220-240 V~ |
Cooling system |
static |
Defrosting method |
manual |
Temperature range |
-9 °C to -30 °C |
Gradient / max. fluctuation |
5.2 °C / 2.4 °C |
Housing material/colour |
Steel / white |
Door version |
Solid door |
Inner container material |
White plastic |
Type of control |
Monochrome display, touch buttons |
Alarm in case of malfunction |
optical and acoustic |
Mains failure alarm |
on mains return |
Potential-free contact |
Yes |
Type of networkability |
SmartModule |
Networking solution |
Retrofittable |
Interface |
WLAN/LAN (optional) |
Adjustable shelves |
5 |
Material of shelves |
Glass |
Usable W / D of the shelves in mm |
403 / 402 |
Load capacity of shelves |
40 kg |
Maximum total load |
270 kg |
Drawers |
6 |
Handle |
Antimicrobial handle with opening mechanism |
Type of lock |
mechanical |
Door hinge |
exchangeable on the right |
Gross/net weight |
88/76 kg |
Liebherr laboratory freezer |
SFFfg 5501 Performance (with drawers) |
Gross / net capacity |
499 / 394 l |
External dimensions in mm (W / D / H) |
747 / 769 / 1684 |
Internal dimensions in mm (W / D / H) |
588 / 517 / 1388 |
Energy consumption in 365 days1
|
516 kWh |
Ambient temperature |
+10 °C to +35 °C |
Refrigerant |
R 290 |
Noise/sound power |
49 dB(A) |
Voltage / connected load |
220-240V~ / 50 Hz |
Cooling system |
Static |
Defrosting process |
manual |
Temperature range |
-9 °C to -30 °C |
Gradient2 / max. fluctuation3
|
5.4 °C / 3.3 °C |
Housing material / colour |
Steel / white |
Door design |
Full door |
Inner container material |
White plastic |
Type of control |
Monochrome display, touch buttons |
Power failure alarm |
on mains return |
Fault alarm |
visual and audible |
Potential-free contact |
Yes |
Type of networkability |
SmartModule |
Networking solution |
Retrofittable |
Interface |
WLAN/LAN (optional) |
Adjustable shelves |
4 |
Shelf material |
Glass |
Usable W / D of the shelves in mm |
588 / 517 |
Load capacity shelf / appliance |
40 kg / 300 kg |
Drawers |
8 |
Handle |
Antimicrobial handle with opening mechanism |
Type of lock |
mechanical |
Door hinge |
can be changed on the right |
Gross / net weight |
106 / 89 kg |
1 Measured at +25 °C ambient temperature and set temperature of +5 °C for refrigerators and -20 °C for freezers.
2 Gradient according to EN60068-3: spatial temperature distribution in the interior of the warmest and coldest measuring point including measurement uncertainty.
3 Maximum fluctuation according to EN 60068-3: Temporal temperature variation of the measuring point with the greatest difference during the measuring period.
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Performance Series
SRFvg/SFFsg/SRFfg/SFFfg |
Perfection series
SRFvh/SFFvh |
Temperature stability |
Cooling units +/-3 K deviation from setpoint |
Refrigerators +/-2 K deviation from setpoint |
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Freezers +/-5 K deviation from setpoint |
Freezers +/-4 K deviation from setpoint |
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Freezers with SmartFrost |
Freezers with NoFrost |
|
Calibration option |
Calibration option |
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|
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Storage safety |
Visual and audible alarms |
Optical and acoustic alarms |
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Alarm relay |
Alarm relay |
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Alarm test function |
Alarm test function |
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+2-°C SafetyDevice function |
+2-°C-SafetyDevice function |
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Mains failure alarm immediately after mains interruption |
Battery-buffered mains failure alarm (12 hours)
Immediately in the event of a mains interruption |
|
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Alarm history with real-time clock and 10 events |
|
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Integrated data logger |
|
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PT1000 product sensor (optional on SFFvh models) |
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Min./max. temperature recording |
min./max. temperature recording |
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Self-closing door at <90 |
self-closing door at <90° |
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Individual alarm settings possible |
Individual alarm settings possible |
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Mechanical lock |
mechanical lock |
|
|
|
Interfaces |
LAN/WiFi optional |
LAN/WiFi integrated |
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local API (optional via SmartModule) |
local API |
|
|
USB interface for reading out the data logger |
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|
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SmartMonitoring |
SmartModule retrofittable |
SmartModule integrated |
|
|
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Equipment |
Monochrome display, touch buttons |
2.4'' colour display, touch & swipe |
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Maintenance timer individually adjustable |
Maintenance timer individually adjustable |
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Castors/feet as accessories |
Castors/feet as accessories, 75 cm wide units as standard
with castors |
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Evaporator cover (protection against freezing),
only for glass door models, for insulated door models optional |
Evaporator cover (protection against freezing),
standard on all models |
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Sensor feed-through |
Sensor feed-through |
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Cooling units: Glass door models with ceiling lighting |
Refrigerators: Insulated and glass door models with vertical lighting |
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Freezers: no lighting |
Freezers: LED lighting in front housing |
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Antimicrobial handle with opening mechanism |
Antimicrobial handle with opening mechanism |
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|
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Energy consumption |
Super-efficient |
Super-efficient |
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Compliance |
Safety according to IEC 61010-2-011 |
Safety according to IEC 61010-2-011 |
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ATEX directive (SRFfg/SFFfg) |
Complies with DIN 13277 |
Note: The above-mentioned standard equipment may vary depending on the model. Details can be found in the model description.
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