Trapped key interlocks are commonly used in machine guarding applications to safeguard personnel from dangerous machinery.
Through a pre-determined sequence of events personnel can access machines safely by interlocking energy isolation with access control.
With a properly designed trapped key system, all energy sources must be isolated before a dangerous area can be accessed by personnel. There is no reliance on procedures and the “human element” is replaced with an engineered solution per the hierarchy of risk control.
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