SR mGard - Handle Operated Door Interlock mGard logo New Extracted Key Adaptor New amGard EH Handle amGardpro logo tGard tGard door tGard logo

mGard is the premier range of robust modular trapped key products. Trapped key technology offers mechanical solutions to safeguarding dangerous machines and hazardous processes.

tGard is the new compact metal bodied innovative approach to controlling access to hazardous machinery and equipment and offers a "customised safety solution", as standard.

amGardpro is the ultimate range of safety gate switches. The robust modular arrangement offers an extensive variety of access solutions that can be tailored to suit any application.

Protecting People
Protecting Industry

"For anyone who needs to protect people and machinery, Fortress is the interlock company that offers reliable, cost effective customised solutions"

Latest news

Fortress and Troax Partner Up for Perimeter Guarding

Fortress and Troax Partner Up for Perimeter Guarding Fortress Interlocks and Troax have combined forces to create a new perimeter guarding system to protect workers from dangerous machinery. The system utilises a unique new bracket for fitting Fortress interlocks to Troax perimeter guarding panels, enabling the safeguarding of virtually any machinery installation. Very easy to...
More »

Machine Safety Alliance 2015

Following the success of the MSA seminars in 2014, new dates for 2015 have been announced. For more information please visit,
More »

Do you need to design safety gate switches?

Then try out Fortress Interlock’s amGard pro product configurator!     amGard pro is Fortress Interlocks’ modular interlock range for safety gate switches for heavy duty applications . Its unique modular construction (made up of actuators, head modules, adaptors, electrical switches/locks and optional push-button pods) allows easy configuration for virtually any safeguarding application up to SIL3 (EN/IEC...
More »