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H System®

"The H System® – high performance security for restricted access"

The H System offers flexibility in how an organisation can tailor their security requirements for areas of restricted access, in particular for services and utilities rooms.  Designed to enable immediate fire & rescue service entry in critical situations through the unique Gerda One Key® System.

Options include:

  • High security non-deadlocking thumbturn ensuring means of escape from the inside of the door in the event of an individual being inadvertently locked in within a restricted area. 

  • Flush deadlocking one side key access for cupboards and cabinets where space may be a premium

  • Key operation both sides for rooftop environments or similar where safe working practices need to be adopted

Key Features

Optional Documents

"Four billion key combinations – truly a locking system that deserves its high standing."

"Insurance approved with kitemark certificates for each type to BS 3621:2007; BS 8621:2007 and BS 10621:2007 as approved by NHBC and SBD"


                KM524079 BS8621


                KM524077 BS3621