Master key systems

Numerous keys must be managed in a building with multiple access points, with a different key for each door. In complex applications in particular, it is often necessary to rationalise the access control system for the building. The larger the number of doors in a building and, as a result, the larger the number of people using the facility - such as in complex scenarios like schools, hotels, hospitals, businesses etc. - the more important it is to implement an organised access control system.
With an ISEO system, a single key can be used to open multiple access points: such as a main entrance doors, garage doors, gates etc., and organise the cylinder/key system as needed so that only users in possession of specific keys can open doors equipped with the corresponding cylinders. These systems also offer the possibility of controlling access with different levels of authorisation. This makes it possible to restrict access to particularly sensitive areas for even greater security and protection.
Choosing a cylinder with a copy protected key further increases the security of the installation: the owner card provided with each cylinder prevents unauthorised key copying and keeps track of who effectively owns CSR - Reversible key cylinder system, protected by registered trademark and patent
A multi-profile reversible key system developed with multiple combinable access levels and physical profiles to offer tailored security and flexibility.
ISEO developed the innovative CSR system to meet the goal combining outstanding security with impeccable functionality. The result is a system offering the perfect answer to the specific access control needs of complex systems.
Thanks to the large number of code combinations to choose from, the CSR system is the ideal solution for managing large, hierarchical facilities and maintaining control over entrance doors. And with the patented blocking pin and trademarked profile, the CSR system also protects against unauthorised key duplication, as can keys only be duplicated upon presentation of the Property Card.
Made in (ISEO) Germany.

CSF - Vertical key cylinder system, protected by registered trademark and patent
The latest mechatronic technology offers the ideal access control solution for both public and private installations, combining the security of a mechanical system with the flexibility of an electronic system.
An infinite number of possible combinations offers unlimited security.
The latest mechatronic technology offers the ideal access control solution for both public and private installations, combining the security of a mechanical system with the flexibility of an electronic system.
The CSF Mechatronic System is a multi-level solution that can be combined to form a master key system with multiple profiles. The system is protected for life, from the standard F9 cylinder version up to the top-of-the-range F9000 mechatronic cylinder version.
Choosing the CSF Mechatronic System ensures the flexibility and expandability of the installation to cater for any necessity, whether now or in the future, protecting your investment even in the case of lost or stolen keys. The CSF Mechatronic System can be tailored precisely to the needs of each individual application.

F7 MULTI - Multiprofile vertical key cylinder, protected by registered trademark
If you're looking for a cylinder offering certified security and with excellent potential for the creation of controlled access master key systems for medium to large commercial applications, the F7 Multi is the product for you.
With a large number of different mechanical profiles available, the F7 Multi combines excellent potential for the creation of master key systems with the highest security standards.
A registered trademark protects against unauthorised key copying, as can keys only be duplicated upon presentation of the Property Card.