High-Security Safe C81 – Reinforced 294 kg Safe for Homes and Offices (110 L)
The High-Security Safe C81 by Arcas Gruber is a reinforced, high-capacity model designed for secure storage of cash, documents and valuables in homes, offices and small businesses. With a heavier chassis, thicker body profile and anchoring-ready design, it is particularly suitable when you want more internal volume while keeping the safe manageable for indoor installation.
Technical specifications
- External dimensions: 810 × 585 × 465 mm (H × W × D)
- Internal dimensions: 720 × 475 × 320 mm (H × W × D)
- Weight: 294 kg
- Volume: 110 L
- Body thickness: 55 mm
- Door thickness: 80 mm
Construction and protection design
The C81 is manufactured from high-resistance steel sheet and engineered for high structural rigidity. The 55 mm body profile and reinforced 80 mm door are designed to increase resistance against common forced-entry methods, while ensuring consistent alignment and long-term reliability in frequent-use environments.
Locking system options
The C81 is supplied with a twin-key locking configuration as standard, with additional options available depending on access policy and usage frequency:
- Mechanical combination lock
- Electronic lock
- Biometric lock (selected configurations)
- Dual-control configurations (e.g., key + code) where required
Interior configuration
- Fixed or removable trays depending on configuration
- Optional internal cash box
- Optional accessories depending on project requirements
Finish and installation
- Finish: polyurethane paint, textured dark grey (RAL 7024)
- Prepared for anchoring (floor or wall) to reduce removal risk
For best real-world security, anchoring to a suitable structural substrate is strongly recommended. Correct fixation and placement are key factors in preventing removal and improving practical performance.
Where the C81 fits best
- Homes: family archives, passports, jewellery, collections and emergency cash
- Offices: controlled-access files, devices and confidential items
- Small businesses: back-office daily-value storage (anchored and access-controlled)
Frequently asked questions
Should I anchor a 294 kg safe?
Yes. Weight helps, but anchoring is still recommended whenever possible to reduce removal risk and improve real-world outcomes.
Which lock option is best for frequent access?
Electronic locks are practical for daily use, mechanical combinations support long-term reliability, and dual-control configurations can add redundancy where required.
Is the C81 suitable for insurance requirements?
Insurance requirements vary by country and insurer. If you need documented burglary resistance under a specific standard and Grade, select a safe that matches your policy requirements and requested classification.
Can the interior be configured for organised storage?
Yes. Depending on configuration, you can specify trays, internal compartments and an optional cash box to separate valuables and documents.
To explore alternatives in the same family, visit home safes. For the complete catalogue, visit safes.





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