What Is C4?

C4 is an integrated security system that provides a centralized multiuser solution for building security management.


Take a look on what C4 offers you
Esser SEI

C4 2015 SP2 and C4 2014 SP6 service packs now available

The new service packs for latest supported versions C4 2015 and C4 2014 are now available.
Please find the list of fixed issues in Release notes. C4 2015 SP2 comes with Romanian language and IUM 56 bit card type support.


How can I get C4?

C4 Integration Security System is performed exclusively by certified partners. View our list of partners to leverage the powerful integration of C4, and be a part of a unique development providing you the most efficient, flexible and resilient security system configuration.

Newest Partners

07.07.2016 - ISD Intelligent Systems Division (COL)
05.07.2016 - Sieza s.r.o. (CZE)
21.06.2016 - HDSecurity s.r.o. (SVK)


What’s integrated?

Select your security device and manage it by C4. C4 guarantees certified drivers approved by manufacturer representatives, authorized resellers and ensures maximum availability for your individual requirements.

Latest Certifications

18.05.2016 - Bosch IIP Mode 2
10.05.2016 - UTC/Advisor Advanced
26.04.2016 - Forbis Security