The Liebherr Spark-Free Laboratory Refrigerator, 558 L Solid Door (SRFfg 5501) is a freestanding, forced-air laboratory refrigerator with an interior free of ignition sources for flammable substances stored in closed containers. It provides 558 L gross and 441 L net volume across an adjustable temperature range of +3 °C to +16 °C.
Key Features
- ATEX-compliant spark-free interior, classified II 3 G Ex ec IIC T6 and declared as Zone 22
- High-capacity laboratory storage, with 558 L gross volume, 441 L net volume and five adjustable glass shelves
- Flexible +3 °C to +16 °C temperature range, supporting a variety of controlled laboratory storage requirements
- Stable storage temperatures, with a maximum fluctuation of 3.0 °C and stated temperature stability of ±3 °C
- Automatic +2 °C SafetyDevice protection, stabilising the temperature and activating an alarm if a malfunction risks freezing stored contents
- Forced-air cooling with automatic defrost, supporting consistent circulation without manual defrosting
- Comprehensive alarm functions, including visual and audible malfunction alerts, power failure notification, an alarm test and a volt-free contact
- Retrofittable WLAN/LAN connectivity, allowing optional integration with external monitoring systems such as Liebherr SmartMonitoring
- Easy-to-clean seamless interior, manufactured from robust, odourless moulded polystyrol with rounded internal corners
- Controlled and hygienic access, using an antimicrobial handle and a mechanical lock
- ISO Class 4 cleanroom classification, according to ISO EN 14644-1
- Flexible solid-door configuration, with a right-hinged steel door reversible on site and a 10 mm access port for an external sensor
Note: The ATEX classification applies to flammable substances stored in closed containers that could form explosive atmospheres.
Benefits
- Supports safer laboratory storage of flammable substances without ignition sources inside the refrigerated compartment.
- Helps preserve sensitive stored materials by limiting temperature deviation and maintaining a controlled storage range.
- Reduces the risk of accidental freezing through automatic SafetyDevice intervention and alarm activation.
- Improves monitoring oversight through local alarms, an external alarm contact and optional network connectivity.
- Simplifies routine loading and cleaning with adjustable shelves and a seamless, rounded interior liner.
- Helps laboratories manage access and installation requirements through a mechanical lock, reversible door and external sensor port.
Why Choose the Liebherr Spark-Free Laboratory Refrigerator, 558 L Solid Door (SRFfg 5501)?
The SRFfg 5501 combines ATEX-compliant storage, forced-air cooling, temperature protection and a spacious solid-door interior for laboratories handling flammable substances in closed containers. John Morris Group can assist with product selection, technical requirements and suitable monitoring accessories for your laboratory installation.
