Key interlocked circuit breakers and bolted pressure switches are designed to be operated in a specific sequence.
Electrical kirk key system.
Both devices are shown open.
To close any one device the key is inserted.
Kirk releases new coupler interlock system the coupler interlock system is an electromechanical interlock that is suitable for controlling access to tubular bulk material transfer systems such as those used for silo storage mitigating the risk of lost material and cross contamination during the loading or unloading process.
Our rotary trapped key interlock switches are used for electrical isolation of machinery to improve safe access and also as teach boxes in robot cells.
With the interlocks arranged as shown only one key is required in the interlocking system.
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For example to prevent access to the inside of an electric kiln while it is operating a trapped key system may be used to interlock a disconnecting switch and the kiln door.
View the application guide.
Whenever the kiln power switch is turned on the key is automatically held by the interlock and cannot be manually removed.
The fundamental principle of interlocking disabling one electrical or mechanical function unless some other function or functions is in a particular state can be achieved in many ways.
A white paper by kirk key interlock company.
Safeguard your facility by taking preventative measures with a secure maintenance bypass panel.
Kirk key will not know how their locks and keys are implemented.
Once the power has been turned off the key can be withdrawn and used in the next sequence of operation such as unlocking an access hatch or allowing valves to be operated.
A kirk key interlocking system eliminates mistakes with no dr.
Using kirk interlocks when connecting ship s power cables to on shore power will ensure that the cables are properly coupled to the junction box before energizing.
Main tie main dual source bypass a b feeders ect.