passive fire suppression system
ONLINE 24/7
easy installation
HDS
service
maintenance-free
disconnection of the electric current
YES
Advantages 

Passive system – does not require electrical power or electronic components.
Protection of main electrical supplies (HDS) of buildings against overheating and fire.
Instant mechanical activation at high temperature or direct flame.
Automatic disconnection of the electrical supply and release of extinguishing agent.
Safe securing of contacts after activation, to prevent re-connection.
Compatibility with HDS distribution electrical network in the Czech Republic.
Easy installation and maintenance-free operation.
Protects the enclosed space of the device (HDS) 24/7 without the need for supervision.