Trapped key interlocks are mechanical locking devices used to control safety critical operating procedures.
Fortress trapped key interlocks.
Fortress interlocks designs and manufactures robust trapped key safety systems.
The interlocks can be fitted to a wide range of control devices including power switches access doors and hatches as well as valves of all types.
All product ranges are compliant with the latest machinery safety standards and independently approved by tuv.
With the key free the actuator cannot be removed.
Trapped key interlocking is a tried and tested method of mechanically safeguarding dangerous machines and hazardous processes and is suitable for use up to sil3 en iec 62061 category 4 and ple en iso 13849 1.
Compact robust safety with coding atom learn more.
Mechanical trapped key interlocks mgard.
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This locks the guard door.
Alternatively it can be used to house a keyswitch controlled using a standard fortress lock and key arrangement.
Ensuring loved ones working in dangerous environments return safely home to their families every day.
The removal of the key operates a set of switches.
From mechanical interlocks to integrated machine control and safety.
Fortress interlocks product portfolio includes trapped key interlocks mgard heavy duty safety gate switches with and without guard locking amgard pro and standard duty interlocks with in built control functionality tgard.
These can be used for a variety of functions including.
Slamlock trapped key interlock switches combine the features of trapped keys with tongue actuated interlocks.
For example a key is used to isolate a power source circuit breaker or supply.
Trapped key interlocking is a method of safe guarding dangerous machines and hazardous areas.
Protecting people protecting productivity.
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Fortress interlocks mgard is the premier range of modular robust trapped key interlocks for heavy duty applications.
When the actuator is inserted into the interlock guard closed the trapped key can be rotated and removed.
Protecting productivity and most importantly people is at the heart of fortress interlocks.
A safe sequence of operations is enabled through transfer of keys that are either trapped or released in a predetermined order.
Mechanical trapped key interlocks mgard learn more.