Electrical Kirk Key System

Key interlocks avoid the limitations of electrical interlocking and the restrictions of mechanical interlocking by making use of easily portable keys carried in sequence from one interlock to the next.

Electrical kirk key system.

Therefore the key is free. Kirk key will not know how their locks and keys are implemented. Main tie main dual source bypass a b feeders ect. 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.

To close any one device the key is inserted. This process is also known as cold ironing. 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. View the application guide.

Once the power has been turned off the key can be withdrawn and used in the next sequence of operation such as unlocking an access hatch or allowing valves to be operated. 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. Whenever the kiln power switch is turned on the key is automatically held by the interlock and cannot be manually removed. Kirk interlock with l o c kirk kirk kirk kirk kirk l o kirk kirk l c kirk kirk l o a 1 a 2 a 3 kirk kirk kirk kirk a3 tm kirk e kirk e.

A kirk key interlocking system eliminates mistakes with no dr. Both devices are shown open. With the interlocks arranged as shown only one key is required in the interlocking system. Key interlocked circuit breakers and bolted pressure switches are designed to be operated in a specific sequence.

Safeguard your facility by taking preventative measures with a secure maintenance bypass panel.